add nrf51 DFU project

This commit is contained in:
Shuanglei Tao
2025-05-14 13:03:41 +08:00
parent eca0f1a93b
commit ed07530db4
32 changed files with 10594 additions and 1 deletions

708
Keil/DFU-nRF51.uvprojx Normal file
View File

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<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
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<Header>### uVision Project, (C) Keil Software</Header>
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<TargetCommonOption>
<Device>nRF51822_xxAA</Device>
<Vendor>Nordic Semiconductor</Vendor>
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<Define>BLE_STACK_SUPPORT_REQD __HEAP_SIZE=0 __STACK_SIZE=1600 SVC_INTERFACE_CALL_AS_NORMAL_FUNCTION NRF_SD_BLE_API_VERSION=2 S130 BOARD_PCA10028 SWI_DISABLE0 SOFTDEVICE_PRESENT NRF51422 NRF51 NRF_DFU_SETTINGS_VERSION=1</Define>
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<FileName>nrf_dfu_utils.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\bootloader\dfu\nrf_dfu_utils.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>nRF_Drivers</GroupName>
<Files>
<File>
<FileName>nrf_drv_common.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\drivers_nrf\common\nrf_drv_common.c</FilePath>
</File>
<File>
<FileName>nrf_drv_rng.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\drivers_nrf\rng\nrf_drv_rng.c</FilePath>
</File>
<File>
<FileName>nrf_nvmc.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\drivers_nrf\hal\nrf_nvmc.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>nRF_Libraries</GroupName>
<Files>
<File>
<FileName>app_error_weak.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\util\app_error_weak.c</FilePath>
</File>
<File>
<FileName>app_scheduler.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\scheduler\app_scheduler.c</FilePath>
</File>
<File>
<FileName>app_timer.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\timer\app_timer.c</FilePath>
</File>
<File>
<FileName>app_timer_appsh.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\timer\app_timer_appsh.c</FilePath>
</File>
<File>
<FileName>app_util_platform.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\util\app_util_platform.c</FilePath>
</File>
<File>
<FileName>crc32.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\crc32\crc32.c</FilePath>
</File>
<File>
<FileName>ecc.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\ecc\ecc.c</FilePath>
</File>
<File>
<FileName>fstorage.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\fstorage\fstorage.c</FilePath>
</File>
<File>
<FileName>hci_mem_pool.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\hci\hci_mem_pool.c</FilePath>
</File>
<File>
<FileName>nrf_assert.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\util\nrf_assert.c</FilePath>
</File>
<File>
<FileName>nrf_crypto.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\crypto\nrf_crypto.c</FilePath>
</File>
<File>
<FileName>nrf_queue.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\queue\nrf_queue.c</FilePath>
</File>
<File>
<FileName>sdk_errors.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\util\sdk_errors.c</FilePath>
</File>
<File>
<FileName>sha256.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\libraries\sha256\sha256.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>nRF_SoftDevice</GroupName>
<Files>
<File>
<FileName>softdevice_handler.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\softdevice\common\softdevice_handler\softdevice_handler.c</FilePath>
</File>
<File>
<FileName>softdevice_handler_appsh.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\softdevice\common\softdevice_handler\softdevice_handler_appsh.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>nRF_micro_ecc</GroupName>
<Files>
<File>
<FileName>micro_ecc_lib_nrf51.lib</FileName>
<FileType>4</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\external\micro-ecc\nrf51_keil\armgcc\micro_ecc_lib_nrf51.lib</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>nano-pb</GroupName>
<Files>
<File>
<FileName>pb_common.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\external\nano-pb\pb_common.c</FilePath>
</File>
<File>
<FileName>pb_decode.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\external\nano-pb\pb_decode.c</FilePath>
</File>
</Files>
</Group>
<Group>
<GroupName>Startup</GroupName>
<Files>
<File>
<FileName>arm_startup_nrf51.s</FileName>
<FileType>2</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\toolchain\arm\arm_startup_nrf51.s</FilePath>
</File>
<File>
<FileName>system_nrf51.c</FileName>
<FileType>1</FileType>
<FilePath>..\SDK\12.3.0_d7731ad\components\toolchain\system_nrf51.c</FilePath>
</File>
</Files>
</Group>
</Groups>
</Target>
</Targets>
<RTE>
<packages>
<filter>
<targetInfos/>
</filter>
<package name="nRF_DeviceFamilyPack" url="http://developer.nordicsemi.com/nRF51_SDK/pieces/nRF_DeviceFamilyPack/" vendor="NordicSemiconductor" version="8.11.1">
<targetInfos>
<targetInfo name="nrf51822_xxaa_s130" versionMatchMode="fixed"/>
</targetInfos>
</package>
</packages>
<apis/>
<components/>
<files>
<file attr="config" category="source" condition="ARM Compiler" name="Device\Source\arm\arm_startup_nrf51.s">
<instance index="0" removed="1">RTE\Device\nRF51422_xxAC\arm_startup_nrf51.s</instance>
<component Cclass="Device" Cgroup="Startup" Cvendor="NordicSemiconductor" Cversion="8.11.1" condition="nRF51 Series and CMSIS"/>
<package name="nRF_DeviceFamilyPack" schemaVersion="1.3" url="http://developer.nordicsemi.com/nRF5_SDK/pieces/nRF_DeviceFamilyPack/" vendor="NordicSemiconductor" version="8.11.1"/>
<targetInfos/>
</file>
<file attr="config" category="source" name="Device\Source\system_nrf51.c">
<instance index="0" removed="1">RTE\Device\nRF51422_xxAC\system_nrf51.c</instance>
<component Cclass="Device" Cgroup="Startup" Cvendor="NordicSemiconductor" Cversion="8.11.1" condition="nRF51 Series and CMSIS"/>
<package name="nRF_DeviceFamilyPack" schemaVersion="1.3" url="http://developer.nordicsemi.com/nRF5_SDK/pieces/nRF_DeviceFamilyPack/" vendor="NordicSemiconductor" version="8.11.1"/>
<targetInfos/>
</file>
<file attr="config" category="source" condition="ARM Compiler" name="Device\Source\arm\arm_startup_nrf51.s" version="8.11.1">
<instance index="0" removed="1">RTE\Device\nRF51822_xxAA\arm_startup_nrf51.s</instance>
<component Cclass="Device" Cgroup="Startup" Cvendor="NordicSemiconductor" Cversion="8.11.1" condition="nRF51 Series and CMSIS"/>
<package name="nRF_DeviceFamilyPack" schemaVersion="1.3" url="http://developer.nordicsemi.com/nRF5_SDK/pieces/nRF_DeviceFamilyPack/" vendor="NordicSemiconductor" version="8.11.1"/>
<targetInfos/>
</file>
<file attr="config" category="source" name="Device\Source\system_nrf51.c" version="8.11.1">
<instance index="0" removed="1">RTE\Device\nRF51822_xxAA\system_nrf51.c</instance>
<component Cclass="Device" Cgroup="Startup" Cvendor="NordicSemiconductor" Cversion="8.11.1" condition="nRF51 Series and CMSIS"/>
<package name="nRF_DeviceFamilyPack" schemaVersion="1.3" url="http://developer.nordicsemi.com/nRF5_SDK/pieces/nRF_DeviceFamilyPack/" vendor="NordicSemiconductor" version="8.11.1"/>
<targetInfos/>
</file>
</files>
</RTE>
<LayerInfo>
<Layers>
<Layer>
<LayName>secure_dfu_secure_dfu_ble_s130_pca10028</LayName>
<LayPrjMark>1</LayPrjMark>
</Layer>
</Layers>
</LayerInfo>
</Project>

View File

@@ -167,7 +167,7 @@ extern "C" {
#ifdef S210
#define NRF_CLOCK_LFCLKSRC NRF_CLOCK_LFCLKSRC_XTAL_20_PPM
#else
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_XTAL, \
#define NRF_CLOCK_LFCLKSRC {.source = NRF_CLOCK_LF_SRC_SYNTH, \
.rc_ctiv = 0, \
.rc_temp_ctiv = 0, \
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM}

View File

@@ -0,0 +1,122 @@
/**
* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* Automatically generated nanopb constant definitions */
/* Generated by nanopb-0.3.6-dev at Thu Jul 28 13:34:59 2016. */
#include "dfu-cc.pb.h"
/* @@protoc_insertion_point(includes) */
#if PB_PROTO_HEADER_VERSION != 30
#error Regenerate this file with the current version of nanopb generator.
#endif
const bool dfu_init_command_is_debug_default = false;
const pb_field_t dfu_hash_fields[3] = {
PB_FIELD( 1, UENUM , REQUIRED, STATIC , FIRST, dfu_hash_t, hash_type, hash_type, 0),
PB_FIELD( 2, BYTES , REQUIRED, STATIC , OTHER, dfu_hash_t, hash, hash_type, 0),
PB_LAST_FIELD
};
const pb_field_t dfu_init_command_fields[10] = {
PB_FIELD( 1, UINT32 , OPTIONAL, STATIC , FIRST, dfu_init_command_t, fw_version, fw_version, 0),
PB_FIELD( 2, UINT32 , OPTIONAL, STATIC , OTHER, dfu_init_command_t, hw_version, fw_version, 0),
PB_FIELD( 3, UINT32 , REPEATED, STATIC , OTHER, dfu_init_command_t, sd_req, hw_version, 0),
PB_FIELD( 4, UENUM , OPTIONAL, STATIC , OTHER, dfu_init_command_t, type, sd_req, 0),
PB_FIELD( 5, UINT32 , OPTIONAL, STATIC , OTHER, dfu_init_command_t, sd_size, type, 0),
PB_FIELD( 6, UINT32 , OPTIONAL, STATIC , OTHER, dfu_init_command_t, bl_size, sd_size, 0),
PB_FIELD( 7, UINT32 , OPTIONAL, STATIC , OTHER, dfu_init_command_t, app_size, bl_size, 0),
PB_FIELD( 8, MESSAGE , OPTIONAL, STATIC , OTHER, dfu_init_command_t, hash, app_size, &dfu_hash_fields),
PB_FIELD( 9, BOOL , OPTIONAL, STATIC , OTHER, dfu_init_command_t, is_debug, hash, &dfu_init_command_is_debug_default),
PB_LAST_FIELD
};
const pb_field_t dfu_reset_command_fields[2] = {
PB_FIELD( 1, UINT32 , REQUIRED, STATIC , FIRST, dfu_reset_command_t, timeout, timeout, 0),
PB_LAST_FIELD
};
const pb_field_t dfu_command_fields[4] = {
PB_FIELD( 1, UENUM , OPTIONAL, STATIC , FIRST, dfu_command_t, op_code, op_code, 0),
PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, dfu_command_t, init, op_code, &dfu_init_command_fields),
PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, dfu_command_t, reset, init, &dfu_reset_command_fields),
PB_LAST_FIELD
};
const pb_field_t dfu_signed_command_fields[4] = {
PB_FIELD( 1, MESSAGE , REQUIRED, STATIC , FIRST, dfu_signed_command_t, command, command, &dfu_command_fields),
PB_FIELD( 2, UENUM , REQUIRED, STATIC , OTHER, dfu_signed_command_t, signature_type, command, 0),
PB_FIELD( 3, BYTES , REQUIRED, STATIC , OTHER, dfu_signed_command_t, signature, signature_type, 0),
PB_LAST_FIELD
};
const pb_field_t dfu_packet_fields[3] = {
PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, dfu_packet_t, command, command, &dfu_command_fields),
PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, dfu_packet_t, signed_command, command, &dfu_signed_command_fields),
PB_LAST_FIELD
};
/* Check that field information fits in pb_field_t */
#if !defined(PB_FIELD_32BIT)
/* If you get an error here, it means that you need to define PB_FIELD_32BIT
* compile-time option. You can do that in pb.h or on compiler command line.
*
* The reason you need to do this is that some of your messages contain tag
* numbers or field sizes that are larger than what can fit in 8 or 16 bit
* field descriptors.
*/
PB_STATIC_ASSERT((pb_membersize(dfu_init_command_t, hash) < 65536 && pb_membersize(dfu_command_t, init) < 65536 && pb_membersize(dfu_command_t, reset) < 65536 && pb_membersize(dfu_signed_command_t, command) < 65536 && pb_membersize(dfu_packet_t, command) < 65536 && pb_membersize(dfu_packet_t, signed_command) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_dfu_hash_dfu_init_command_dfu_reset_command_dfu_command_dfu_signed_command_dfu_packet)
#endif
#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT)
/* If you get an error here, it means that you need to define PB_FIELD_16BIT
* compile-time option. You can do that in pb.h or on compiler command line.
*
* The reason you need to do this is that some of your messages contain tag
* numbers or field sizes that are larger than what can fit in the default
* 8 bit descriptors.
*/
PB_STATIC_ASSERT((pb_membersize(dfu_init_command_t, hash) < 256 && pb_membersize(dfu_command_t, init) < 256 && pb_membersize(dfu_command_t, reset) < 256 && pb_membersize(dfu_signed_command_t, command) < 256 && pb_membersize(dfu_packet_t, command) < 256 && pb_membersize(dfu_packet_t, signed_command) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_dfu_hash_dfu_init_command_dfu_reset_command_dfu_command_dfu_signed_command_dfu_packet)
#endif
/* @@protoc_insertion_point(eof) */

View File

@@ -0,0 +1,227 @@
/**
* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/* Automatically generated nanopb header */
/* Generated by nanopb-0.3.6-dev at Thu Jul 28 13:34:59 2016. */
#ifndef PB_DFU_CC_PB_H_INCLUDED
#define PB_DFU_CC_PB_H_INCLUDED
#include <pb.h>
/* @@protoc_insertion_point(includes) */
#if PB_PROTO_HEADER_VERSION != 30
#error Regenerate this file with the current version of nanopb generator.
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Enum definitions */
typedef enum
{
DFU_OP_CODE_RESET = 0,
DFU_OP_CODE_INIT = 1
} dfu_op_code_t;
#define DFU_OP_CODE_MIN DFU_OP_CODE_RESET
#define DFU_OP_CODE_MAX DFU_OP_CODE_INIT
#define DFU_OP_CODE_ARRAYSIZE ((dfu_op_code_t)(DFU_OP_CODE_INIT+1))
typedef enum
{
DFU_FW_TYPE_APPLICATION = 0,
DFU_FW_TYPE_SOFTDEVICE = 1,
DFU_FW_TYPE_BOOTLOADER = 2,
DFU_FW_TYPE_SOFTDEVICE_BOOTLOADER = 3
} dfu_fw_type_t;
#define DFU_FW_TYPE_MIN DFU_FW_TYPE_APPLICATION
#define DFU_FW_TYPE_MAX DFU_FW_TYPE_SOFTDEVICE_BOOTLOADER
#define DFU_FW_TYPE_ARRAYSIZE ((dfu_fw_type_t)(DFU_FW_TYPE_SOFTDEVICE_BOOTLOADER+1))
typedef enum
{
DFU_HASH_TYPE_NO_HASH = 0,
DFU_HASH_TYPE_CRC = 1,
DFU_HASH_TYPE_SHA128 = 2,
DFU_HASH_TYPE_SHA256 = 3,
DFU_HASH_TYPE_SHA512 = 4
} dfu_hash_type_t;
#define DFU_HASH_TYPE_MIN DFU_HASH_TYPE_NO_HASH
#define DFU_HASH_TYPE_MAX DFU_HASH_TYPE_SHA512
#define DFU_HASH_TYPE_ARRAYSIZE ((dfu_hash_type_t)(DFU_HASH_TYPE_SHA512+1))
typedef enum
{
DFU_SIGNATURE_TYPE_ECDSA_P256_SHA256 = 0,
DFU_SIGNATURE_TYPE_ED25519 = 1
} dfu_signature_type_t;
#define DFU_SIGNATURE_TYPE_MIN DFU_SIGNATURE_TYPE_ECDSA_P256_SHA256
#define DFU_SIGNATURE_TYPE_MAX DFU_SIGNATURE_TYPE_ED25519
#define DFU_SIGNATURE_TYPE_ARRAYSIZE ((dfu_signature_type_t)(DFU_SIGNATURE_TYPE_ED25519+1))
/* Struct definitions */
typedef PB_BYTES_ARRAY_T(32) dfu_hash_hash_t;
typedef struct {
dfu_hash_type_t hash_type;
dfu_hash_hash_t hash;
/* @@protoc_insertion_point(struct:dfu_hash_t) */
} dfu_hash_t;
typedef struct {
uint32_t timeout;
/* @@protoc_insertion_point(struct:dfu_reset_command_t) */
} dfu_reset_command_t;
typedef struct {
bool has_fw_version;
uint32_t fw_version;
bool has_hw_version;
uint32_t hw_version;
pb_size_t sd_req_count;
uint32_t sd_req[4];
bool has_type;
dfu_fw_type_t type;
bool has_sd_size;
uint32_t sd_size;
bool has_bl_size;
uint32_t bl_size;
bool has_app_size;
uint32_t app_size;
bool has_hash;
dfu_hash_t hash;
bool has_is_debug;
bool is_debug;
/* @@protoc_insertion_point(struct:dfu_init_command_t) */
} dfu_init_command_t;
typedef struct {
bool has_op_code;
dfu_op_code_t op_code;
bool has_init;
dfu_init_command_t init;
bool has_reset;
dfu_reset_command_t reset;
/* @@protoc_insertion_point(struct:dfu_command_t) */
} dfu_command_t;
typedef PB_BYTES_ARRAY_T(64) dfu_signed_command_signature_t;
typedef struct {
dfu_command_t command;
dfu_signature_type_t signature_type;
dfu_signed_command_signature_t signature;
/* @@protoc_insertion_point(struct:dfu_signed_command_t) */
} dfu_signed_command_t;
typedef struct {
bool has_command;
dfu_command_t command;
bool has_signed_command;
dfu_signed_command_t signed_command;
/* @@protoc_insertion_point(struct:dfu_packet_t) */
} dfu_packet_t;
/* Default values for struct fields */
extern const bool dfu_init_command_is_debug_default;
/* Initializer values for message structs */
#define DFU_HASH_INIT_DEFAULT {(dfu_hash_type_t)0, {0, {0}}}
#define DFU_INIT_COMMAND_INIT_DEFAULT {false, 0, false, 0, 0, {0, 0, 0, 0}, false, (dfu_fw_type_t)0, false, 0, false, 0, false, 0, false, DFU_HASH_INIT_DEFAULT, false, false}
#define DFU_RESET_COMMAND_INIT_DEFAULT {0}
#define DFU_COMMAND_INIT_DEFAULT {false, (dfu_op_code_t)0, false, DFU_INIT_COMMAND_INIT_DEFAULT, false, DFU_RESET_COMMAND_INIT_DEFAULT}
#define DFU_SIGNED_COMMAND_INIT_DEFAULT {DFU_COMMAND_INIT_DEFAULT, (dfu_signature_type_t)0, {0, {0}}}
#define DFU_PACKET_INIT_DEFAULT {false, DFU_COMMAND_INIT_DEFAULT, false, DFU_SIGNED_COMMAND_INIT_DEFAULT}
#define DFU_HASH_INIT_ZERO {(dfu_hash_type_t)0, {0, {0}}}
#define DFU_INIT_COMMAND_INIT_ZERO {false, 0, false, 0, 0, {0, 0, 0, 0}, false, (dfu_fw_type_t)0, false, 0, false, 0, false, 0, false, DFU_HASH_INIT_ZERO, false, 0}
#define DFU_RESET_COMMAND_INIT_ZERO {0}
#define DFU_COMMAND_INIT_ZERO {false, (dfu_op_code_t)0, false, DFU_INIT_COMMAND_INIT_ZERO, false, DFU_RESET_COMMAND_INIT_ZERO}
#define DFU_SIGNED_COMMAND_INIT_ZERO {DFU_COMMAND_INIT_ZERO, (dfu_signature_type_t)0, {0, {0}}}
#define DFU_PACKET_INIT_ZERO {false, DFU_COMMAND_INIT_ZERO, false, DFU_SIGNED_COMMAND_INIT_ZERO}
/* Field tags (for use in manual encoding/decoding) */
#define DFU_HASH_HASH_TYPE_TAG 1
#define DFU_HASH_HASH_TAG 2
#define DFU_RESET_COMMAND_TIMEOUT_TAG 1
#define DFU_INIT_COMMAND_FW_VERSION_TAG 1
#define DFU_INIT_COMMAND_HW_VERSION_TAG 2
#define DFU_INIT_COMMAND_SD_REQ_TAG 3
#define DFU_INIT_COMMAND_TYPE_TAG 4
#define DFU_INIT_COMMAND_SD_SIZE_TAG 5
#define DFU_INIT_COMMAND_BL_SIZE_TAG 6
#define DFU_INIT_COMMAND_APP_SIZE_TAG 7
#define DFU_INIT_COMMAND_HASH_TAG 8
#define DFU_INIT_COMMAND_IS_DEBUG_TAG 9
#define DFU_COMMAND_OP_CODE_TAG 1
#define DFU_COMMAND_INIT_TAG 2
#define DFU_COMMAND_RESET_TAG 3
#define DFU_SIGNED_COMMAND_COMMAND_TAG 1
#define DFU_SIGNED_COMMAND_SIGNATURE_TYPE_TAG 2
#define DFU_SIGNED_COMMAND_SIGNATURE_TAG 3
#define DFU_PACKET_COMMAND_TAG 1
#define DFU_PACKET_SIGNED_COMMAND_TAG 2
/* Struct field encoding specification for nanopb */
extern const pb_field_t dfu_hash_fields[3];
extern const pb_field_t dfu_init_command_fields[10];
extern const pb_field_t dfu_reset_command_fields[2];
extern const pb_field_t dfu_command_fields[4];
extern const pb_field_t dfu_signed_command_fields[4];
extern const pb_field_t dfu_packet_fields[3];
/* Maximum encoded size of messages (where known) */
#define DFU_HASH_SIZE 36
#define DFU_INIT_COMMAND_SIZE 96
#define DFU_RESET_COMMAND_SIZE 6
#define DFU_COMMAND_SIZE 108
#define DFU_SIGNED_COMMAND_SIZE 178
#define DFU_PACKET_SIZE 291
/* Message IDs (where set with "msgid" option) */
#ifdef PB_MSGID
#define DFU_CC_MESSAGES \
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif
/* @@protoc_insertion_point(eof) */
#endif

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/* This file was automatically generated by nrfutil on 2025-05-12 (YY-MM-DD) at 17:25:15 */
#include "stdint.h"
#include "compiler_abstraction.h"
/** @brief Public key used to verify DFU images */
__ALIGN(4) const uint8_t pk[64] =
{
0xcf, 0x3f, 0x99, 0x8e, 0x73, 0xeb, 0xca, 0x98, 0xfe, 0x89, 0x7b, 0x51, 0xa5, 0xe5, 0x55, 0x65, 0x8c, 0xe6, 0x00, 0x77, 0x7a, 0x1e, 0x7c, 0xd2, 0x8d, 0xa4, 0xb8, 0x71, 0x0b, 0xae, 0x51, 0x18,
0x08, 0x22, 0xe3, 0xc7, 0x19, 0x0c, 0x0e, 0x58, 0xa0, 0xdd, 0xe3, 0xbc, 0xb5, 0xf7, 0x19, 0x6f, 0xfe, 0xc0, 0xc1, 0xf8, 0x8d, 0x34, 0x7b, 0xb3, 0xf2, 0x06, 0xfe, 0x96, 0x6c, 0x21, 0x5e, 0x55
};

File diff suppressed because it is too large Load Diff

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/**
* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef DFU_REQ_HANDLING_H__
#define DFU_REQ_HANDLING_H__
#include "compiler_abstraction.h"
__ALIGN(4) extern const uint8_t pk[64];
#endif // #ifndef DFU_REQ_HANDLING_H__

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/**
* Copyright (c) 2016 - 2017, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/** @file
*
* @defgroup bootloader_secure main.c
* @{
* @ingroup dfu_bootloader_api
* @brief Bootloader project main file for secure DFU.
*
*/
#include <stdint.h>
#include "boards.h"
#include "nrf_mbr.h"
#include "nrf_bootloader.h"
#include "nrf_bootloader_app_start.h"
#include "nrf_dfu.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "app_error.h"
#include "app_error_weak.h"
#include "nrf_bootloader_info.h"
void app_error_fault_handler(uint32_t id, uint32_t pc, uint32_t info)
{
NRF_LOG_ERROR("received a fault! id: 0x%08x, pc: 0x&08x\r\n", id, pc);
NVIC_SystemReset();
}
void app_error_handler_bare(uint32_t error_code)
{
(void)error_code;
NRF_LOG_ERROR("received an error: 0x%08x!\r\n", error_code);
NVIC_SystemReset();
}
/**@brief Function for initialization of LEDs.
*/
static void leds_init(void)
{
bsp_board_leds_init();
bsp_board_led_on(BSP_BOARD_LED_2);
}
/**@brief Function for initializing the button module.
*/
static void buttons_init(void)
{
nrf_gpio_cfg_sense_input(BOOTLOADER_BUTTON,
BUTTON_PULL,
NRF_GPIO_PIN_SENSE_LOW);
}
/**@brief Function for application main entry.
*/
int main(void)
{
uint32_t ret_val;
(void) NRF_LOG_INIT(NULL);
NRF_LOG_INFO("Inside main\r\n");
leds_init();
buttons_init();
ret_val = nrf_bootloader_init();
APP_ERROR_CHECK(ret_val);
// Either there was no DFU functionality enabled in this project or the DFU module detected
// no ongoing DFU operation and found a valid main application.
// Boot the main application.
nrf_bootloader_app_start(MAIN_APPLICATION_START_ADDR);
// Should never be reached.
NRF_LOG_INFO("After main\r\n");
}
/**
* @}
*/

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#ifndef SDK_CONFIG_H
#define SDK_CONFIG_H
// <<< Use Configuration Wizard in Context Menu >>>\n
#ifdef USE_APP_CONFIG
#include "app_config.h"
#endif
// <h> nRF_Drivers
//==========================================================
// <e> CLOCK_ENABLED - nrf_drv_clock - CLOCK peripheral driver
//==========================================================
#ifndef CLOCK_ENABLED
#define CLOCK_ENABLED 0
#endif
#if CLOCK_ENABLED
// <o> CLOCK_CONFIG_XTAL_FREQ - HF XTAL Frequency
// <0=> Default (64 MHz)
// <255=> Default (16 MHz)
// <0=> 32 MHz
#ifndef CLOCK_CONFIG_XTAL_FREQ
#define CLOCK_CONFIG_XTAL_FREQ 255
#endif
// <o> CLOCK_CONFIG_LF_SRC - LF Clock Source
// <0=> RC
// <1=> XTAL
// <2=> Synth
#ifndef CLOCK_CONFIG_LF_SRC
#define CLOCK_CONFIG_LF_SRC 1
#endif
// <o> CLOCK_CONFIG_IRQ_PRIORITY - Interrupt priority
// <i> Priorities 0,2 (nRF51) and 0,1,4,5 (nRF52) are reserved for SoftDevice
// <0=> 0 (highest)
// <1=> 1
// <2=> 2
// <3=> 3
#ifndef CLOCK_CONFIG_IRQ_PRIORITY
#define CLOCK_CONFIG_IRQ_PRIORITY 3
#endif
// <e> CLOCK_CONFIG_LOG_ENABLED - Enables logging in the module.
//==========================================================
#ifndef CLOCK_CONFIG_LOG_ENABLED
#define CLOCK_CONFIG_LOG_ENABLED 0
#endif
#if CLOCK_CONFIG_LOG_ENABLED
// <o> CLOCK_CONFIG_LOG_LEVEL - Default Severity level
// <0=> Off
// <1=> Error
// <2=> Warning
// <3=> Info
// <4=> Debug
#ifndef CLOCK_CONFIG_LOG_LEVEL
#define CLOCK_CONFIG_LOG_LEVEL 3
#endif
// <o> CLOCK_CONFIG_INFO_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef CLOCK_CONFIG_INFO_COLOR
#define CLOCK_CONFIG_INFO_COLOR 0
#endif
// <o> CLOCK_CONFIG_DEBUG_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef CLOCK_CONFIG_DEBUG_COLOR
#define CLOCK_CONFIG_DEBUG_COLOR 0
#endif
#endif //CLOCK_CONFIG_LOG_ENABLED
// </e>
#endif //CLOCK_ENABLED
// </e>
// <e> PERIPHERAL_RESOURCE_SHARING_ENABLED - nrf_drv_common - Peripheral drivers common module
//==========================================================
#ifndef PERIPHERAL_RESOURCE_SHARING_ENABLED
#define PERIPHERAL_RESOURCE_SHARING_ENABLED 0
#endif
#if PERIPHERAL_RESOURCE_SHARING_ENABLED
// <e> COMMON_CONFIG_LOG_ENABLED - Enables logging in the module.
//==========================================================
#ifndef COMMON_CONFIG_LOG_ENABLED
#define COMMON_CONFIG_LOG_ENABLED 0
#endif
#if COMMON_CONFIG_LOG_ENABLED
// <o> COMMON_CONFIG_LOG_LEVEL - Default Severity level
// <0=> Off
// <1=> Error
// <2=> Warning
// <3=> Info
// <4=> Debug
#ifndef COMMON_CONFIG_LOG_LEVEL
#define COMMON_CONFIG_LOG_LEVEL 3
#endif
// <o> COMMON_CONFIG_INFO_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef COMMON_CONFIG_INFO_COLOR
#define COMMON_CONFIG_INFO_COLOR 0
#endif
// <o> COMMON_CONFIG_DEBUG_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef COMMON_CONFIG_DEBUG_COLOR
#define COMMON_CONFIG_DEBUG_COLOR 0
#endif
#endif //COMMON_CONFIG_LOG_ENABLED
// </e>
#endif //PERIPHERAL_RESOURCE_SHARING_ENABLED
// </e>
// <e> RNG_ENABLED - nrf_drv_rng - RNG peripheral driver
//==========================================================
#ifndef RNG_ENABLED
#define RNG_ENABLED 1
#endif
#if RNG_ENABLED
// <q> RNG_CONFIG_ERROR_CORRECTION - Error correction
#ifndef RNG_CONFIG_ERROR_CORRECTION
#define RNG_CONFIG_ERROR_CORRECTION 0
#endif
// <o> RNG_CONFIG_POOL_SIZE - Pool size
#ifndef RNG_CONFIG_POOL_SIZE
#define RNG_CONFIG_POOL_SIZE 32
#endif
// <o> RNG_CONFIG_IRQ_PRIORITY - Interrupt priority
// <i> Priorities 0,2 (nRF51) and 0,1,4,5 (nRF52) are reserved for SoftDevice
// <0=> 0 (highest)
// <1=> 1
// <2=> 2
// <3=> 3
#ifndef RNG_CONFIG_IRQ_PRIORITY
#define RNG_CONFIG_IRQ_PRIORITY 3
#endif
// <e> RNG_CONFIG_LOG_ENABLED - Enables logging in the module.
//==========================================================
#ifndef RNG_CONFIG_LOG_ENABLED
#define RNG_CONFIG_LOG_ENABLED 0
#endif
#if RNG_CONFIG_LOG_ENABLED
// <o> RNG_CONFIG_LOG_LEVEL - Default Severity level
// <0=> Off
// <1=> Error
// <2=> Warning
// <3=> Info
// <4=> Debug
#ifndef RNG_CONFIG_LOG_LEVEL
#define RNG_CONFIG_LOG_LEVEL 3
#endif
// <o> RNG_CONFIG_INFO_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef RNG_CONFIG_INFO_COLOR
#define RNG_CONFIG_INFO_COLOR 0
#endif
// <o> RNG_CONFIG_DEBUG_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef RNG_CONFIG_DEBUG_COLOR
#define RNG_CONFIG_DEBUG_COLOR 0
#endif
#endif //RNG_CONFIG_LOG_ENABLED
// </e>
#endif //RNG_ENABLED
// </e>
// </h>
//==========================================================
// <h> nRF_Libraries
//==========================================================
// <e> APP_SCHEDULER_ENABLED - app_scheduler - Events scheduler
//==========================================================
#ifndef APP_SCHEDULER_ENABLED
#define APP_SCHEDULER_ENABLED 1
#endif
#if APP_SCHEDULER_ENABLED
// <q> APP_SCHEDULER_WITH_PAUSE - Enabling pause feature
#ifndef APP_SCHEDULER_WITH_PAUSE
#define APP_SCHEDULER_WITH_PAUSE 0
#endif
// <q> APP_SCHEDULER_WITH_PROFILER - Enabling scheduler profiling
#ifndef APP_SCHEDULER_WITH_PROFILER
#define APP_SCHEDULER_WITH_PROFILER 0
#endif
#endif //APP_SCHEDULER_ENABLED
// </e>
// <e> APP_TIMER_ENABLED - app_timer - Application timer functionality
//==========================================================
#ifndef APP_TIMER_ENABLED
#define APP_TIMER_ENABLED 1
#endif
#if APP_TIMER_ENABLED
// <q> APP_TIMER_WITH_PROFILER - Enable app_timer profiling
#ifndef APP_TIMER_WITH_PROFILER
#define APP_TIMER_WITH_PROFILER 0
#endif
// <q> APP_TIMER_KEEPS_RTC_ACTIVE - Enable RTC always on
// <i> If option is enabled RTC is kept running even if there is no active timers.
// <i> This option can be used when app_timer is used for timestamping.
#ifndef APP_TIMER_KEEPS_RTC_ACTIVE
#define APP_TIMER_KEEPS_RTC_ACTIVE 0
#endif
#endif //APP_TIMER_ENABLED
// </e>
// <q> CRC32_ENABLED - crc32 - CRC32 calculation routines
#ifndef CRC32_ENABLED
#define CRC32_ENABLED 1
#endif
// <q> ECC_ENABLED - ecc - Elliptic Curve Cryptography Library
#ifndef ECC_ENABLED
#define ECC_ENABLED 0
#endif
// <e> FSTORAGE_ENABLED - fstorage - Flash storage module
//==========================================================
#ifndef FSTORAGE_ENABLED
#define FSTORAGE_ENABLED 1
#endif
#if FSTORAGE_ENABLED
// <o> FS_QUEUE_SIZE - Configures the size of the internal queue.
// <i> Increase this if there are many users, or if it is likely that many
// <i> operation will be queued at once without waiting for the previous operations
// <i> to complete. In general, increase the queue size if you frequently receive
// <i> @ref FS_ERR_QUEUE_FULL errors when calling @ref fs_store or @ref fs_erase.
#ifndef FS_QUEUE_SIZE
#define FS_QUEUE_SIZE 4
#endif
// <o> FS_OP_MAX_RETRIES - Number attempts to execute an operation if the SoftDevice fails.
// <i> Increase this value if events return the @ref FS_ERR_OPERATION_TIMEOUT
// <i> error often. The SoftDevice may fail to schedule flash access due to high BLE activity.
#ifndef FS_OP_MAX_RETRIES
#define FS_OP_MAX_RETRIES 3
#endif
// <o> FS_MAX_WRITE_SIZE_WORDS - Maximum number of words to be written to flash in a single operation.
// <i> Tweaking this value can increase the chances of the SoftDevice being
// <i> able to fit flash operations in between radio activity. This value is bound by the
// <i> maximum number of words which the SoftDevice can write to flash in a single call to
// <i> @ref sd_flash_write, which is 256 words for nRF51 ICs and 1024 words for nRF52 ICs.
#ifndef FS_MAX_WRITE_SIZE_WORDS
#define FS_MAX_WRITE_SIZE_WORDS 256
#endif
#endif //FSTORAGE_ENABLED
// </e>
// <e> HCI_MEM_POOL_ENABLED - hci_mem_pool - memory pool implementation used by HCI
//==========================================================
#ifndef HCI_MEM_POOL_ENABLED
#define HCI_MEM_POOL_ENABLED 1
#endif
#if HCI_MEM_POOL_ENABLED
// <o> HCI_TX_BUF_SIZE - TX buffer size in bytes.
#ifndef HCI_TX_BUF_SIZE
#define HCI_TX_BUF_SIZE 600
#endif
// <o> HCI_RX_BUF_SIZE - RX buffer size in bytes.
#ifndef HCI_RX_BUF_SIZE
#define HCI_RX_BUF_SIZE 600
#endif
// <o> HCI_RX_BUF_QUEUE_SIZE - RX buffer queue size.
#ifndef HCI_RX_BUF_QUEUE_SIZE
#define HCI_RX_BUF_QUEUE_SIZE 4
#endif
#endif //HCI_MEM_POOL_ENABLED
// </e>
// <q> NRF_QUEUE_ENABLED - nrf_queue - Queue module
#ifndef NRF_QUEUE_ENABLED
#define NRF_QUEUE_ENABLED 1
#endif
// </h>
//==========================================================
// <h> nRF_Log
//==========================================================
// <e> NRF_LOG_ENABLED - nrf_log - Logging
//==========================================================
#ifndef NRF_LOG_ENABLED
#define NRF_LOG_ENABLED 0
#endif
#if NRF_LOG_ENABLED
// <e> NRF_LOG_USES_COLORS - If enabled then ANSI escape code for colors is prefixed to every string
//==========================================================
#ifndef NRF_LOG_USES_COLORS
#define NRF_LOG_USES_COLORS 0
#endif
#if NRF_LOG_USES_COLORS
// <o> NRF_LOG_COLOR_DEFAULT - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef NRF_LOG_COLOR_DEFAULT
#define NRF_LOG_COLOR_DEFAULT 0
#endif
// <o> NRF_LOG_ERROR_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef NRF_LOG_ERROR_COLOR
#define NRF_LOG_ERROR_COLOR 0
#endif
// <o> NRF_LOG_WARNING_COLOR - ANSI escape code prefix.
// <0=> Default
// <1=> Black
// <2=> Red
// <3=> Green
// <4=> Yellow
// <5=> Blue
// <6=> Magenta
// <7=> Cyan
// <8=> White
#ifndef NRF_LOG_WARNING_COLOR
#define NRF_LOG_WARNING_COLOR 0
#endif
#endif //NRF_LOG_USES_COLORS
// </e>
// <o> NRF_LOG_DEFAULT_LEVEL - Default Severity level
// <0=> Off
// <1=> Error
// <2=> Warning
// <3=> Info
// <4=> Debug
#ifndef NRF_LOG_DEFAULT_LEVEL
#define NRF_LOG_DEFAULT_LEVEL 3
#endif
// <e> NRF_LOG_DEFERRED - Enable deffered logger.
// <i> Log data is buffered and can be processed in idle.
//==========================================================
#ifndef NRF_LOG_DEFERRED
#define NRF_LOG_DEFERRED 1
#endif
#if NRF_LOG_DEFERRED
// <o> NRF_LOG_DEFERRED_BUFSIZE - Size of the buffer for logs in words.
// <i> Must be power of 2
#ifndef NRF_LOG_DEFERRED_BUFSIZE
#define NRF_LOG_DEFERRED_BUFSIZE 256
#endif
#endif //NRF_LOG_DEFERRED
// </e>
// <q> NRF_LOG_USES_TIMESTAMP - Enable timestamping
// <i> Function for getting the timestamp is provided by the user
#ifndef NRF_LOG_USES_TIMESTAMP
#define NRF_LOG_USES_TIMESTAMP 0
#endif
#endif //NRF_LOG_ENABLED
// </e>
// </h>
//==========================================================
// <<< end of configuration section >>>
#endif //SDK_CONFIG_H

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Copyright (c) 2014, Kenneth MacKay
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@@ -0,0 +1,21 @@
Copyright (c) 2014, Kenneth MacKay
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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/* Copyright 2015, Kenneth MacKay. Licensed under the BSD 2-clause license. */
#ifndef _UECC_ASM_ARM_H_
#define _UECC_ASM_ARM_H_
#if (uECC_SUPPORTS_secp256r1 || uECC_SUPPORTS_secp256k1)
#define uECC_MIN_WORDS 8
#endif
#if uECC_SUPPORTS_secp224r1
#undef uECC_MIN_WORDS
#define uECC_MIN_WORDS 7
#endif
#if uECC_SUPPORTS_secp192r1
#undef uECC_MIN_WORDS
#define uECC_MIN_WORDS 6
#endif
#if uECC_SUPPORTS_secp160r1
#undef uECC_MIN_WORDS
#define uECC_MIN_WORDS 5
#endif
#if (uECC_PLATFORM == uECC_arm_thumb)
#define REG_RW "+&l"
#define REG_WRITE "=&l"
#else
#define REG_RW "+&r"
#define REG_WRITE "=&r"
#endif
#if (uECC_PLATFORM == uECC_arm_thumb || uECC_PLATFORM == uECC_arm_thumb2)
#define REG_RW_LO "+&l"
#define REG_WRITE_LO "=&l"
#else
#define REG_RW_LO "+&r"
#define REG_WRITE_LO "=&r"
#endif
#if (uECC_PLATFORM == uECC_arm_thumb2)
#define RESUME_SYNTAX
#else
#define RESUME_SYNTAX ".syntax divided \n\t"
#endif
#if (uECC_OPTIMIZATION_LEVEL >= 2)
uECC_VLI_API uECC_word_t uECC_vli_add(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words) {
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
#if (uECC_PLATFORM == uECC_arm_thumb) || (uECC_PLATFORM == uECC_arm_thumb2)
uint32_t jump = (uECC_MAX_WORDS - num_words) * 4 * 2 + 1;
#else /* ARM */
uint32_t jump = (uECC_MAX_WORDS - num_words) * 4 * 4;
#endif
#endif
uint32_t carry;
uint32_t left_word;
uint32_t right_word;
__asm__ volatile (
".syntax unified \n\t"
"movs %[carry], #0 \n\t"
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
"adr %[left], 1f \n\t"
".align 4 \n\t"
"adds %[jump], %[left] \n\t"
#endif
"ldmia %[lptr]!, {%[left]} \n\t"
"ldmia %[rptr]!, {%[right]} \n\t"
"adds %[left], %[right] \n\t"
"stmia %[dptr]!, {%[left]} \n\t"
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
"bx %[jump] \n\t"
#endif
"1: \n\t"
REPEAT(DEC(uECC_MAX_WORDS),
"ldmia %[lptr]!, {%[left]} \n\t"
"ldmia %[rptr]!, {%[right]} \n\t"
"adcs %[left], %[right] \n\t"
"stmia %[dptr]!, {%[left]} \n\t")
"adcs %[carry], %[carry] \n\t"
RESUME_SYNTAX
: [dptr] REG_RW_LO (result), [lptr] REG_RW_LO (left), [rptr] REG_RW_LO (right),
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
[jump] REG_RW_LO (jump),
#endif
[carry] REG_WRITE_LO (carry), [left] REG_WRITE_LO (left_word),
[right] REG_WRITE_LO (right_word)
:
: "cc", "memory"
);
return carry;
}
#define asm_add 1
uECC_VLI_API uECC_word_t uECC_vli_sub(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words) {
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
#if (uECC_PLATFORM == uECC_arm_thumb) || (uECC_PLATFORM == uECC_arm_thumb2)
uint32_t jump = (uECC_MAX_WORDS - num_words) * 4 * 2 + 1;
#else /* ARM */
uint32_t jump = (uECC_MAX_WORDS - num_words) * 4 * 4;
#endif
#endif
uint32_t carry;
uint32_t left_word;
uint32_t right_word;
__asm__ volatile (
".syntax unified \n\t"
"movs %[carry], #0 \n\t"
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
"adr %[left], 1f \n\t"
".align 4 \n\t"
"adds %[jump], %[left] \n\t"
#endif
"ldmia %[lptr]!, {%[left]} \n\t"
"ldmia %[rptr]!, {%[right]} \n\t"
"subs %[left], %[right] \n\t"
"stmia %[dptr]!, {%[left]} \n\t"
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
"bx %[jump] \n\t"
#endif
"1: \n\t"
REPEAT(DEC(uECC_MAX_WORDS),
"ldmia %[lptr]!, {%[left]} \n\t"
"ldmia %[rptr]!, {%[right]} \n\t"
"sbcs %[left], %[right] \n\t"
"stmia %[dptr]!, {%[left]} \n\t")
"adcs %[carry], %[carry] \n\t"
RESUME_SYNTAX
: [dptr] REG_RW_LO (result), [lptr] REG_RW_LO (left), [rptr] REG_RW_LO (right),
#if (uECC_MAX_WORDS != uECC_MIN_WORDS)
[jump] REG_RW_LO (jump),
#endif
[carry] REG_WRITE_LO (carry), [left] REG_WRITE_LO (left_word),
[right] REG_WRITE_LO (right_word)
:
: "cc", "memory"
);
return !carry; /* Note that on ARM, carry flag set means "no borrow" when subtracting
(for some reason...) */
}
#define asm_sub 1
#endif /* (uECC_OPTIMIZATION_LEVEL >= 2) */
#if (uECC_OPTIMIZATION_LEVEL >= 3)
#if (uECC_PLATFORM != uECC_arm_thumb)
#if uECC_ARM_USE_UMAAL
#include "asm_arm_mult_square_umaal.inc"
#else
#include "asm_arm_mult_square.inc"
#endif
#if (uECC_OPTIMIZATION_LEVEL == 3)
uECC_VLI_API void uECC_vli_mult(uint32_t *result,
const uint32_t *left,
const uint32_t *right,
wordcount_t num_words) {
register uint32_t *r0 __asm__("r0") = result;
register const uint32_t *r1 __asm__("r1") = left;
register const uint32_t *r2 __asm__("r2") = right;
register uint32_t r3 __asm__("r3") = num_words;
__asm__ volatile (
".syntax unified \n\t"
#if (uECC_MIN_WORDS == 5)
FAST_MULT_ASM_5
#if (uECC_MAX_WORDS > 5)
FAST_MULT_ASM_5_TO_6
#endif
#if (uECC_MAX_WORDS > 6)
FAST_MULT_ASM_6_TO_7
#endif
#if (uECC_MAX_WORDS > 7)
FAST_MULT_ASM_7_TO_8
#endif
#elif (uECC_MIN_WORDS == 6)
FAST_MULT_ASM_6
#if (uECC_MAX_WORDS > 6)
FAST_MULT_ASM_6_TO_7
#endif
#if (uECC_MAX_WORDS > 7)
FAST_MULT_ASM_7_TO_8
#endif
#elif (uECC_MIN_WORDS == 7)
FAST_MULT_ASM_7
#if (uECC_MAX_WORDS > 7)
FAST_MULT_ASM_7_TO_8
#endif
#elif (uECC_MIN_WORDS == 8)
FAST_MULT_ASM_8
#endif
"1: \n\t"
RESUME_SYNTAX
: "+r" (r0), "+r" (r1), "+r" (r2)
: "r" (r3)
: "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
}
#define asm_mult 1
#if uECC_SQUARE_FUNC
uECC_VLI_API void uECC_vli_square(uECC_word_t *result,
const uECC_word_t *left,
wordcount_t num_words) {
register uint32_t *r0 __asm__("r0") = result;
register const uint32_t *r1 __asm__("r1") = left;
register uint32_t r2 __asm__("r2") = num_words;
__asm__ volatile (
".syntax unified \n\t"
#if (uECC_MIN_WORDS == 5)
FAST_SQUARE_ASM_5
#if (uECC_MAX_WORDS > 5)
FAST_SQUARE_ASM_5_TO_6
#endif
#if (uECC_MAX_WORDS > 6)
FAST_SQUARE_ASM_6_TO_7
#endif
#if (uECC_MAX_WORDS > 7)
FAST_SQUARE_ASM_7_TO_8
#endif
#elif (uECC_MIN_WORDS == 6)
FAST_SQUARE_ASM_6
#if (uECC_MAX_WORDS > 6)
FAST_SQUARE_ASM_6_TO_7
#endif
#if (uECC_MAX_WORDS > 7)
FAST_SQUARE_ASM_7_TO_8
#endif
#elif (uECC_MIN_WORDS == 7)
FAST_SQUARE_ASM_7
#if (uECC_MAX_WORDS > 7)
FAST_SQUARE_ASM_7_TO_8
#endif
#elif (uECC_MIN_WORDS == 8)
FAST_SQUARE_ASM_8
#endif
"1: \n\t"
RESUME_SYNTAX
: "+r" (r0), "+r" (r1)
: "r" (r2)
: "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
}
#define asm_square 1
#endif /* uECC_SQUARE_FUNC */
#else /* (uECC_OPTIMIZATION_LEVEL > 3) */
uECC_VLI_API void uECC_vli_mult(uint32_t *result,
const uint32_t *left,
const uint32_t *right,
wordcount_t num_words) {
register uint32_t *r0 __asm__("r0") = result;
register const uint32_t *r1 __asm__("r1") = left;
register const uint32_t *r2 __asm__("r2") = right;
register uint32_t r3 __asm__("r3") = num_words;
#if uECC_SUPPORTS_secp160r1
if (num_words == 5) {
__asm__ volatile (
".syntax unified \n\t"
FAST_MULT_ASM_5
RESUME_SYNTAX
: "+r" (r0), "+r" (r1), "+r" (r2)
: "r" (r3)
: "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
#if uECC_SUPPORTS_secp192r1
if (num_words == 6) {
__asm__ volatile (
".syntax unified \n\t"
FAST_MULT_ASM_6
RESUME_SYNTAX
: "+r" (r0), "+r" (r1), "+r" (r2)
: "r" (r3)
: "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
#if uECC_SUPPORTS_secp224r1
if (num_words == 7) {
__asm__ volatile (
".syntax unified \n\t"
FAST_MULT_ASM_7
RESUME_SYNTAX
: "+r" (r0), "+r" (r1), "+r" (r2)
: "r" (r3)
: "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
#if (uECC_SUPPORTS_secp256r1 || uECC_SUPPORTS_secp256k1)
if (num_words == 8) {
__asm__ volatile (
".syntax unified \n\t"
FAST_MULT_ASM_8
RESUME_SYNTAX
: "+r" (r0), "+r" (r1), "+r" (r2)
: "r" (r3)
: "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
}
#define asm_mult 1
#if uECC_SQUARE_FUNC
uECC_VLI_API void uECC_vli_square(uECC_word_t *result,
const uECC_word_t *left,
wordcount_t num_words) {
register uint32_t *r0 __asm__("r0") = result;
register const uint32_t *r1 __asm__("r1") = left;
register uint32_t r2 __asm__("r2") = num_words;
#if uECC_SUPPORTS_secp160r1
if (num_words == 5) {
__asm__ volatile (
".syntax unified \n\t"
FAST_SQUARE_ASM_5
RESUME_SYNTAX
: "+r" (r0), "+r" (r1)
: "r" (r2)
: "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
#if uECC_SUPPORTS_secp192r1
if (num_words == 6) {
__asm__ volatile (
".syntax unified \n\t"
FAST_SQUARE_ASM_6
RESUME_SYNTAX
: "+r" (r0), "+r" (r1)
: "r" (r2)
: "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
#if uECC_SUPPORTS_secp224r1
if (num_words == 7) {
__asm__ volatile (
".syntax unified \n\t"
FAST_SQUARE_ASM_7
RESUME_SYNTAX
: "+r" (r0), "+r" (r1)
: "r" (r2)
: "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
#if (uECC_SUPPORTS_secp256r1 || uECC_SUPPORTS_secp256k1)
if (num_words == 8) {
__asm__ volatile (
".syntax unified \n\t"
FAST_SQUARE_ASM_8
RESUME_SYNTAX
: "+r" (r0), "+r" (r1)
: "r" (r2)
: "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
return;
}
#endif
}
#define asm_square 1
#endif /* uECC_SQUARE_FUNC */
#endif /* (uECC_OPTIMIZATION_LEVEL > 3) */
#endif /* uECC_PLATFORM != uECC_arm_thumb */
#endif /* (uECC_OPTIMIZATION_LEVEL >= 3) */
/* ---- "Small" implementations ---- */
#if !asm_add
uECC_VLI_API uECC_word_t uECC_vli_add(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words) {
uint32_t carry = 0;
uint32_t left_word;
uint32_t right_word;
__asm__ volatile (
".syntax unified \n\t"
"1: \n\t"
"ldmia %[lptr]!, {%[left]} \n\t" /* Load left word. */
"ldmia %[rptr]!, {%[right]} \n\t" /* Load right word. */
"lsrs %[carry], #1 \n\t" /* Set up carry flag (carry = 0 after this). */
"adcs %[left], %[left], %[right] \n\t" /* Add with carry. */
"adcs %[carry], %[carry], %[carry] \n\t" /* Store carry bit. */
"stmia %[dptr]!, {%[left]} \n\t" /* Store result word. */
"subs %[ctr], #1 \n\t" /* Decrement counter. */
"bne 1b \n\t" /* Loop until counter == 0. */
RESUME_SYNTAX
: [dptr] REG_RW (result), [lptr] REG_RW (left), [rptr] REG_RW (right),
[ctr] REG_RW (num_words), [carry] REG_RW (carry),
[left] REG_WRITE (left_word), [right] REG_WRITE (right_word)
:
: "cc", "memory"
);
return carry;
}
#define asm_add 1
#endif
#if !asm_sub
uECC_VLI_API uECC_word_t uECC_vli_sub(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words) {
uint32_t carry = 1; /* carry = 1 initially (means don't borrow) */
uint32_t left_word;
uint32_t right_word;
__asm__ volatile (
".syntax unified \n\t"
"1: \n\t"
"ldmia %[lptr]!, {%[left]} \n\t" /* Load left word. */
"ldmia %[rptr]!, {%[right]} \n\t" /* Load right word. */
"lsrs %[carry], #1 \n\t" /* Set up carry flag (carry = 0 after this). */
"sbcs %[left], %[left], %[right] \n\t" /* Subtract with borrow. */
"adcs %[carry], %[carry], %[carry] \n\t" /* Store carry bit. */
"stmia %[dptr]!, {%[left]} \n\t" /* Store result word. */
"subs %[ctr], #1 \n\t" /* Decrement counter. */
"bne 1b \n\t" /* Loop until counter == 0. */
RESUME_SYNTAX
: [dptr] REG_RW (result), [lptr] REG_RW (left), [rptr] REG_RW (right),
[ctr] REG_RW (num_words), [carry] REG_RW (carry),
[left] REG_WRITE (left_word), [right] REG_WRITE (right_word)
:
: "cc", "memory"
);
return !carry;
}
#define asm_sub 1
#endif
#if !asm_mult
uECC_VLI_API void uECC_vli_mult(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words) {
#if (uECC_PLATFORM != uECC_arm_thumb)
uint32_t c0 = 0;
uint32_t c1 = 0;
uint32_t c2 = 0;
uint32_t k = 0;
uint32_t i;
uint32_t t0, t1;
__asm__ volatile (
".syntax unified \n\t"
"1: \n\t" /* outer loop (k < num_words) */
"movs %[i], #0 \n\t" /* i = 0 */
"b 3f \n\t"
"2: \n\t" /* outer loop (k >= num_words) */
"movs %[i], %[k] \n\t" /* i = k */
"subs %[i], %[last_word] \n\t" /* i = k - (num_words - 1) (times 4) */
"3: \n\t" /* inner loop */
"subs %[t0], %[k], %[i] \n\t" /* t0 = k-i */
"ldr %[t1], [%[right], %[t0]] \n\t" /* t1 = right[k - i] */
"ldr %[t0], [%[left], %[i]] \n\t" /* t0 = left[i] */
"umull %[t0], %[t1], %[t0], %[t1] \n\t" /* (t0, t1) = left[i] * right[k - i] */
"adds %[c0], %[c0], %[t0] \n\t" /* add low word to c0 */
"adcs %[c1], %[c1], %[t1] \n\t" /* add high word to c1, including carry */
"adcs %[c2], %[c2], #0 \n\t" /* add carry to c2 */
"adds %[i], #4 \n\t" /* i += 4 */
"cmp %[i], %[last_word] \n\t" /* i > (num_words - 1) (times 4)? */
"bgt 4f \n\t" /* if so, exit the loop */
"cmp %[i], %[k] \n\t" /* i <= k? */
"ble 3b \n\t" /* if so, continue looping */
"4: \n\t" /* end inner loop */
"str %[c0], [%[result], %[k]] \n\t" /* result[k] = c0 */
"mov %[c0], %[c1] \n\t" /* c0 = c1 */
"mov %[c1], %[c2] \n\t" /* c1 = c2 */
"movs %[c2], #0 \n\t" /* c2 = 0 */
"adds %[k], #4 \n\t" /* k += 4 */
"cmp %[k], %[last_word] \n\t" /* k <= (num_words - 1) (times 4) ? */
"ble 1b \n\t" /* if so, loop back, start with i = 0 */
"cmp %[k], %[last_word], lsl #1 \n\t" /* k <= (num_words * 2 - 2) (times 4) ? */
"ble 2b \n\t" /* if so, loop back, start with i = (k + 1) - num_words */
/* end outer loop */
"str %[c0], [%[result], %[k]] \n\t" /* result[num_words * 2 - 1] = c0 */
RESUME_SYNTAX
: [c0] "+r" (c0), [c1] "+r" (c1), [c2] "+r" (c2),
[k] "+r" (k), [i] "=&r" (i), [t0] "=&r" (t0), [t1] "=&r" (t1)
: [result] "r" (result), [left] "r" (left), [right] "r" (right),
[last_word] "r" ((num_words - 1) * 4)
: "cc", "memory"
);
#else /* Thumb-1 */
uint32_t r4, r5, r6, r7;
__asm__ volatile (
".syntax unified \n\t"
"subs %[r3], #1 \n\t" /* r3 = num_words - 1 */
"lsls %[r3], #2 \n\t" /* r3 = (num_words - 1) * 4 */
"mov r8, %[r3] \n\t" /* r8 = (num_words - 1) * 4 */
"lsls %[r3], #1 \n\t" /* r3 = (num_words - 1) * 8 */
"mov r9, %[r3] \n\t" /* r9 = (num_words - 1) * 8 */
"movs %[r3], #0 \n\t" /* c0 = 0 */
"movs %[r4], #0 \n\t" /* c1 = 0 */
"movs %[r5], #0 \n\t" /* c2 = 0 */
"movs %[r6], #0 \n\t" /* k = 0 */
"push {%[r0]} \n\t" /* keep result on the stack */
"1: \n\t" /* outer loop (k < num_words) */
"movs %[r7], #0 \n\t" /* r7 = i = 0 */
"b 3f \n\t"
"2: \n\t" /* outer loop (k >= num_words) */
"movs %[r7], %[r6] \n\t" /* r7 = k */
"mov %[r0], r8 \n\t" /* r0 = (num_words - 1) * 4 */
"subs %[r7], %[r0] \n\t" /* r7 = i = k - (num_words - 1) (times 4) */
"3: \n\t" /* inner loop */
"mov r10, %[r3] \n\t"
"mov r11, %[r4] \n\t"
"mov r12, %[r5] \n\t"
"mov r14, %[r6] \n\t"
"subs %[r0], %[r6], %[r7] \n\t" /* r0 = k - i */
"ldr %[r4], [%[r2], %[r0]] \n\t" /* r4 = right[k - i] */
"ldr %[r0], [%[r1], %[r7]] \n\t" /* r0 = left[i] */
"lsrs %[r3], %[r0], #16 \n\t" /* r3 = a1 */
"uxth %[r0], %[r0] \n\t" /* r0 = a0 */
"lsrs %[r5], %[r4], #16 \n\t" /* r5 = b1 */
"uxth %[r4], %[r4] \n\t" /* r4 = b0 */
"movs %[r6], %[r3] \n\t" /* r6 = a1 */
"muls %[r6], %[r5], %[r6] \n\t" /* r6 = a1 * b1 */
"muls %[r3], %[r4], %[r3] \n\t" /* r3 = b0 * a1 */
"muls %[r5], %[r0], %[r5] \n\t" /* r5 = a0 * b1 */
"muls %[r0], %[r4], %[r0] \n\t" /* r0 = a0 * b0 */
/* Add middle terms */
"lsls %[r4], %[r3], #16 \n\t"
"lsrs %[r3], %[r3], #16 \n\t"
"adds %[r0], %[r4] \n\t"
"adcs %[r6], %[r3] \n\t"
"lsls %[r4], %[r5], #16 \n\t"
"lsrs %[r5], %[r5], #16 \n\t"
"adds %[r0], %[r4] \n\t"
"adcs %[r6], %[r5] \n\t"
"mov %[r3], r10\n\t"
"mov %[r4], r11\n\t"
"mov %[r5], r12\n\t"
"adds %[r3], %[r0] \n\t" /* add low word to c0 */
"adcs %[r4], %[r6] \n\t" /* add high word to c1, including carry */
"movs %[r0], #0 \n\t" /* r0 = 0 (does not affect carry bit) */
"adcs %[r5], %[r0] \n\t" /* add carry to c2 */
"mov %[r6], r14\n\t" /* r6 = k */
"adds %[r7], #4 \n\t" /* i += 4 */
"cmp %[r7], r8 \n\t" /* i > (num_words - 1) (times 4)? */
"bgt 4f \n\t" /* if so, exit the loop */
"cmp %[r7], %[r6] \n\t" /* i <= k? */
"ble 3b \n\t" /* if so, continue looping */
"4: \n\t" /* end inner loop */
"ldr %[r0], [sp, #0] \n\t" /* r0 = result */
"str %[r3], [%[r0], %[r6]] \n\t" /* result[k] = c0 */
"mov %[r3], %[r4] \n\t" /* c0 = c1 */
"mov %[r4], %[r5] \n\t" /* c1 = c2 */
"movs %[r5], #0 \n\t" /* c2 = 0 */
"adds %[r6], #4 \n\t" /* k += 4 */
"cmp %[r6], r8 \n\t" /* k <= (num_words - 1) (times 4) ? */
"ble 1b \n\t" /* if so, loop back, start with i = 0 */
"cmp %[r6], r9 \n\t" /* k <= (num_words * 2 - 2) (times 4) ? */
"ble 2b \n\t" /* if so, loop back, with i = (k + 1) - num_words */
/* end outer loop */
"str %[r3], [%[r0], %[r6]] \n\t" /* result[num_words * 2 - 1] = c0 */
"pop {%[r0]} \n\t" /* pop result off the stack */
RESUME_SYNTAX
: [r3] "+l" (num_words), [r4] "=&l" (r4),
[r5] "=&l" (r5), [r6] "=&l" (r6), [r7] "=&l" (r7)
: [r0] "l" (result), [r1] "l" (left), [r2] "l" (right)
: "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
#endif
}
#define asm_mult 1
#endif
#if uECC_SQUARE_FUNC
#if !asm_square
uECC_VLI_API void uECC_vli_square(uECC_word_t *result,
const uECC_word_t *left,
wordcount_t num_words) {
#if (uECC_PLATFORM != uECC_arm_thumb)
uint32_t c0 = 0;
uint32_t c1 = 0;
uint32_t c2 = 0;
uint32_t k = 0;
uint32_t i, tt;
uint32_t t0, t1;
__asm__ volatile (
".syntax unified \n\t"
"1: \n\t" /* outer loop (k < num_words) */
"movs %[i], #0 \n\t" /* i = 0 */
"b 3f \n\t"
"2: \n\t" /* outer loop (k >= num_words) */
"movs %[i], %[k] \n\t" /* i = k */
"subs %[i], %[last_word] \n\t" /* i = k - (num_words - 1) (times 4) */
"3: \n\t" /* inner loop */
"subs %[tt], %[k], %[i] \n\t" /* tt = k-i */
"ldr %[t1], [%[left], %[tt]] \n\t" /* t1 = left[k - i] */
"ldr %[t0], [%[left], %[i]] \n\t" /* t0 = left[i] */
"umull %[t0], %[t1], %[t0], %[t1] \n\t" /* (t0, t1) = left[i] * right[k - i] */
"cmp %[i], %[tt] \n\t" /* (i < k - i) ? */
"bge 4f \n\t" /* if i >= k - i, skip */
"adds %[c0], %[c0], %[t0] \n\t" /* add low word to c0 */
"adcs %[c1], %[c1], %[t1] \n\t" /* add high word to c1, including carry */
"adcs %[c2], %[c2], #0 \n\t" /* add carry to c2 */
"4: \n\t"
"adds %[c0], %[c0], %[t0] \n\t" /* add low word to c0 */
"adcs %[c1], %[c1], %[t1] \n\t" /* add high word to c1, including carry */
"adcs %[c2], %[c2], #0 \n\t" /* add carry to c2 */
"adds %[i], #4 \n\t" /* i += 4 */
"cmp %[i], %[k] \n\t" /* i >= k? */
"bge 5f \n\t" /* if so, exit the loop */
"subs %[tt], %[k], %[i] \n\t" /* tt = k - i */
"cmp %[i], %[tt] \n\t" /* i <= k - i? */
"ble 3b \n\t" /* if so, continue looping */
"5: \n\t" /* end inner loop */
"str %[c0], [%[result], %[k]] \n\t" /* result[k] = c0 */
"mov %[c0], %[c1] \n\t" /* c0 = c1 */
"mov %[c1], %[c2] \n\t" /* c1 = c2 */
"movs %[c2], #0 \n\t" /* c2 = 0 */
"adds %[k], #4 \n\t" /* k += 4 */
"cmp %[k], %[last_word] \n\t" /* k <= (num_words - 1) (times 4) ? */
"ble 1b \n\t" /* if so, loop back, start with i = 0 */
"cmp %[k], %[last_word], lsl #1 \n\t" /* k <= (num_words * 2 - 2) (times 4) ? */
"ble 2b \n\t" /* if so, loop back, start with i = (k + 1) - num_words */
/* end outer loop */
"str %[c0], [%[result], %[k]] \n\t" /* result[num_words * 2 - 1] = c0 */
RESUME_SYNTAX
: [c0] "+r" (c0), [c1] "+r" (c1), [c2] "+r" (c2),
[k] "+r" (k), [i] "=&r" (i), [tt] "=&r" (tt), [t0] "=&r" (t0), [t1] "=&r" (t1)
: [result] "r" (result), [left] "r" (left), [last_word] "r" ((num_words - 1) * 4)
: "cc", "memory"
);
#else
uint32_t r3, r4, r5, r6, r7;
__asm__ volatile (
".syntax unified \n\t"
"subs %[r2], #1 \n\t" /* r2 = num_words - 1 */
"lsls %[r2], #2 \n\t" /* r2 = (num_words - 1) * 4 */
"mov r8, %[r2] \n\t" /* r8 = (num_words - 1) * 4 */
"lsls %[r2], #1 \n\t" /* r2 = (num_words - 1) * 8 */
"mov r9, %[r2] \n\t" /* r9 = (num_words - 1) * 8 */
"movs %[r2], #0 \n\t" /* c0 = 0 */
"movs %[r3], #0 \n\t" /* c1 = 0 */
"movs %[r4], #0 \n\t" /* c2 = 0 */
"movs %[r5], #0 \n\t" /* k = 0 */
"push {%[r0]} \n\t" /* keep result on the stack */
"1: \n\t" /* outer loop (k < num_words) */
"movs %[r6], #0 \n\t" /* r6 = i = 0 */
"b 3f \n\t"
"2: \n\t" /* outer loop (k >= num_words) */
"movs %[r6], %[r5] \n\t" /* r6 = k */
"mov %[r0], r8 \n\t" /* r0 = (num_words - 1) * 4 */
"subs %[r6], %[r0] \n\t" /* r6 = i = k - (num_words - 1) (times 4) */
"3: \n\t" /* inner loop */
"mov r10, %[r2] \n\t"
"mov r11, %[r3] \n\t"
"mov r12, %[r4] \n\t"
"mov r14, %[r5] \n\t"
"subs %[r7], %[r5], %[r6] \n\t" /* r7 = k - i */
"ldr %[r3], [%[r1], %[r7]] \n\t" /* r3 = left[k - i] */
"ldr %[r0], [%[r1], %[r6]] \n\t" /* r0 = left[i] */
"lsrs %[r2], %[r0], #16 \n\t" /* r2 = a1 */
"uxth %[r0], %[r0] \n\t" /* r0 = a0 */
"lsrs %[r4], %[r3], #16 \n\t" /* r4 = b1 */
"uxth %[r3], %[r3] \n\t" /* r3 = b0 */
"movs %[r5], %[r2] \n\t" /* r5 = a1 */
"muls %[r5], %[r4], %[r5] \n\t" /* r5 = a1 * b1 */
"muls %[r2], %[r3], %[r2] \n\t" /* r2 = b0 * a1 */
"muls %[r4], %[r0], %[r4] \n\t" /* r4 = a0 * b1 */
"muls %[r0], %[r3], %[r0] \n\t" /* r0 = a0 * b0 */
/* Add middle terms */
"lsls %[r3], %[r2], #16 \n\t"
"lsrs %[r2], %[r2], #16 \n\t"
"adds %[r0], %[r3] \n\t"
"adcs %[r5], %[r2] \n\t"
"lsls %[r3], %[r4], #16 \n\t"
"lsrs %[r4], %[r4], #16 \n\t"
"adds %[r0], %[r3] \n\t"
"adcs %[r5], %[r4] \n\t"
/* Add to acc, doubling if necessary */
"mov %[r2], r10\n\t"
"mov %[r3], r11\n\t"
"mov %[r4], r12\n\t"
"cmp %[r6], %[r7] \n\t" /* (i < k - i) ? */
"bge 4f \n\t" /* if i >= k - i, skip */
"movs %[r7], #0 \n\t" /* r7 = 0 */
"adds %[r2], %[r0] \n\t" /* add low word to c0 */
"adcs %[r3], %[r5] \n\t" /* add high word to c1, including carry */
"adcs %[r4], %[r7] \n\t" /* add carry to c2 */
"4: \n\t"
"movs %[r7], #0 \n\t" /* r7 = 0 */
"adds %[r2], %[r0] \n\t" /* add low word to c0 */
"adcs %[r3], %[r5] \n\t" /* add high word to c1, including carry */
"adcs %[r4], %[r7] \n\t" /* add carry to c2 */
"mov %[r5], r14\n\t" /* r5 = k */
"adds %[r6], #4 \n\t" /* i += 4 */
"cmp %[r6], %[r5] \n\t" /* i >= k? */
"bge 5f \n\t" /* if so, exit the loop */
"subs %[r7], %[r5], %[r6] \n\t" /* r7 = k - i */
"cmp %[r6], %[r7] \n\t" /* i <= k - i? */
"ble 3b \n\t" /* if so, continue looping */
"5: \n\t" /* end inner loop */
"ldr %[r0], [sp, #0] \n\t" /* r0 = result */
"str %[r2], [%[r0], %[r5]] \n\t" /* result[k] = c0 */
"mov %[r2], %[r3] \n\t" /* c0 = c1 */
"mov %[r3], %[r4] \n\t" /* c1 = c2 */
"movs %[r4], #0 \n\t" /* c2 = 0 */
"adds %[r5], #4 \n\t" /* k += 4 */
"cmp %[r5], r8 \n\t" /* k <= (num_words - 1) (times 4) ? */
"ble 1b \n\t" /* if so, loop back, start with i = 0 */
"cmp %[r5], r9 \n\t" /* k <= (num_words * 2 - 2) (times 4) ? */
"ble 2b \n\t" /* if so, loop back, with i = (k + 1) - num_words */
/* end outer loop */
"str %[r2], [%[r0], %[r5]] \n\t" /* result[num_words * 2 - 1] = c0 */
"pop {%[r0]} \n\t" /* pop result off the stack */
RESUME_SYNTAX
: [r2] "+l" (num_words), [r3] "=&l" (r3), [r4] "=&l" (r4),
[r5] "=&l" (r5), [r6] "=&l" (r6), [r7] "=&l" (r7)
: [r0] "l" (result), [r1] "l" (left)
: "r8", "r9", "r10", "r11", "r12", "r14", "cc", "memory"
);
#endif
}
#define asm_square 1
#endif
#endif /* uECC_SQUARE_FUNC */
#endif /* _UECC_ASM_ARM_H_ */

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/* Copyright 2015, Kenneth MacKay. Licensed under the BSD 2-clause license. */
#ifndef _UECC_PLATFORM_SPECIFIC_H_
#define _UECC_PLATFORM_SPECIFIC_H_
#include "types.h"
#if (defined(_WIN32) || defined(_WIN64))
/* Windows */
// use pragma syntax to prevent tweaking the linker script for getting CryptXYZ function
#pragma comment(lib, "crypt32.lib")
#pragma comment(lib, "advapi32.lib")
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <wincrypt.h>
static int default_RNG(uint8_t *dest, unsigned size) {
HCRYPTPROV prov;
if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
return 0;
}
CryptGenRandom(prov, size, (BYTE *)dest);
CryptReleaseContext(prov, 0);
return 1;
}
#define default_RNG_defined 1
#elif defined(unix) || defined(__linux__) || defined(__unix__) || defined(__unix) || \
(defined(__APPLE__) && defined(__MACH__)) || defined(uECC_POSIX)
/* Some POSIX-like system with /dev/urandom or /dev/random. */
#include <sys/types.h>
#include <fcntl.h>
#include <unistd.h>
#ifndef O_CLOEXEC
#define O_CLOEXEC 0
#endif
static int default_RNG(uint8_t *dest, unsigned size) {
int fd = open("/dev/urandom", O_RDONLY | O_CLOEXEC);
if (fd == -1) {
fd = open("/dev/random", O_RDONLY | O_CLOEXEC);
if (fd == -1) {
return 0;
}
}
char *ptr = (char *)dest;
size_t left = size;
while (left > 0) {
ssize_t bytes_read = read(fd, ptr, left);
if (bytes_read <= 0) { // read failed
close(fd);
return 0;
}
left -= bytes_read;
ptr += bytes_read;
}
close(fd);
return 1;
}
#define default_RNG_defined 1
#elif defined(RIOT_VERSION)
#include <random.h>
static int default_RNG(uint8_t *dest, unsigned size) {
random_bytes(dest, size);
return 1;
}
#define default_RNG_defined 1
#elif defined(NRF52_SERIES)
#include "app_error.h"
#include "nrf_crypto_rng.h"
static int default_RNG(uint8_t *dest, unsigned size)
{
// make sure to call nrf_crypto_init and nrf_crypto_rng_init first
ret_code_t ret_code = nrf_crypto_rng_vector_generate(dest, size);
return (ret_code == NRF_SUCCESS) ? 1 : 0;
}
#define default_RNG_defined 1
#endif /* platform */
#endif /* _UECC_PLATFORM_SPECIFIC_H_ */

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/* Copyright 2015, Kenneth MacKay. Licensed under the BSD 2-clause license. */
#ifndef _UECC_TYPES_H_
#define _UECC_TYPES_H_
#ifndef uECC_PLATFORM
#if __AVR__
#define uECC_PLATFORM uECC_avr
#elif defined(__thumb2__) || defined(_M_ARMT) /* I think MSVC only supports Thumb-2 targets */
#define uECC_PLATFORM uECC_arm_thumb2
#elif defined(__thumb__)
#define uECC_PLATFORM uECC_arm_thumb
#elif defined(__arm__) || defined(_M_ARM)
#define uECC_PLATFORM uECC_arm
#elif defined(__aarch64__)
#define uECC_PLATFORM uECC_arm64
#elif defined(__i386__) || defined(_M_IX86) || defined(_X86_) || defined(__I86__)
#define uECC_PLATFORM uECC_x86
#elif defined(__amd64__) || defined(_M_X64)
#define uECC_PLATFORM uECC_x86_64
#else
#define uECC_PLATFORM uECC_arch_other
#endif
#endif
#ifndef uECC_ARM_USE_UMAAL
#if (uECC_PLATFORM == uECC_arm) && (__ARM_ARCH >= 6)
#define uECC_ARM_USE_UMAAL 1
#elif (uECC_PLATFORM == uECC_arm_thumb2) && (__ARM_ARCH >= 6) && !__ARM_ARCH_7M__
#define uECC_ARM_USE_UMAAL 1
#else
#define uECC_ARM_USE_UMAAL 0
#endif
#endif
#ifndef uECC_WORD_SIZE
#if uECC_PLATFORM == uECC_avr
#define uECC_WORD_SIZE 1
#elif (uECC_PLATFORM == uECC_x86_64 || uECC_PLATFORM == uECC_arm64)
#define uECC_WORD_SIZE 8
#else
#define uECC_WORD_SIZE 4
#endif
#endif
#if (uECC_WORD_SIZE != 1) && (uECC_WORD_SIZE != 4) && (uECC_WORD_SIZE != 8)
#error "Unsupported value for uECC_WORD_SIZE"
#endif
#if ((uECC_PLATFORM == uECC_avr) && (uECC_WORD_SIZE != 1))
#pragma message ("uECC_WORD_SIZE must be 1 for AVR")
#undef uECC_WORD_SIZE
#define uECC_WORD_SIZE 1
#endif
#if ((uECC_PLATFORM == uECC_arm || uECC_PLATFORM == uECC_arm_thumb || \
uECC_PLATFORM == uECC_arm_thumb2) && \
(uECC_WORD_SIZE != 4))
#pragma message ("uECC_WORD_SIZE must be 4 for ARM")
#undef uECC_WORD_SIZE
#define uECC_WORD_SIZE 4
#endif
#if defined(__SIZEOF_INT128__) || ((__clang_major__ * 100 + __clang_minor__) >= 302)
#define SUPPORTS_INT128 1
#else
#define SUPPORTS_INT128 0
#endif
typedef int8_t wordcount_t;
typedef int16_t bitcount_t;
typedef int8_t cmpresult_t;
#if (uECC_WORD_SIZE == 1)
typedef uint8_t uECC_word_t;
typedef uint16_t uECC_dword_t;
#define HIGH_BIT_SET 0x80
#define uECC_WORD_BITS 8
#define uECC_WORD_BITS_SHIFT 3
#define uECC_WORD_BITS_MASK 0x07
#elif (uECC_WORD_SIZE == 4)
typedef uint32_t uECC_word_t;
typedef uint64_t uECC_dword_t;
#define HIGH_BIT_SET 0x80000000
#define uECC_WORD_BITS 32
#define uECC_WORD_BITS_SHIFT 5
#define uECC_WORD_BITS_MASK 0x01F
#elif (uECC_WORD_SIZE == 8)
typedef uint64_t uECC_word_t;
#if SUPPORTS_INT128
typedef unsigned __int128 uECC_dword_t;
#endif
#define HIGH_BIT_SET 0x8000000000000000ull
#define uECC_WORD_BITS 64
#define uECC_WORD_BITS_SHIFT 6
#define uECC_WORD_BITS_MASK 0x03F
#endif /* uECC_WORD_SIZE */
#endif /* _UECC_TYPES_H_ */

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/* Copyright 2014, Kenneth MacKay. Licensed under the BSD 2-clause license. */
#ifndef _UECC_H_
#define _UECC_H_
#include <stdint.h>
/* Platform selection options.
If uECC_PLATFORM is not defined, the code will try to guess it based on compiler macros.
Possible values for uECC_PLATFORM are defined below: */
#define uECC_arch_other 0
#define uECC_x86 1
#define uECC_x86_64 2
#define uECC_arm 3
#define uECC_arm_thumb 4
#define uECC_arm_thumb2 5
#define uECC_arm64 6
#define uECC_avr 7
/* If desired, you can define uECC_WORD_SIZE as appropriate for your platform (1, 4, or 8 bytes).
If uECC_WORD_SIZE is not explicitly defined then it will be automatically set based on your
platform. */
/* Optimization level; trade speed for code size.
Larger values produce code that is faster but larger.
Currently supported values are 0 - 4; 0 is unusably slow for most applications.
Optimization level 4 currently only has an effect ARM platforms where more than one
curve is enabled. */
#ifndef uECC_OPTIMIZATION_LEVEL
#define uECC_OPTIMIZATION_LEVEL 2
#endif
/* uECC_SQUARE_FUNC - If enabled (defined as nonzero), this will cause a specific function to be
used for (scalar) squaring instead of the generic multiplication function. This can make things
faster somewhat faster, but increases the code size. */
#ifndef uECC_SQUARE_FUNC
#define uECC_SQUARE_FUNC 0
#endif
/* uECC_VLI_NATIVE_LITTLE_ENDIAN - If enabled (defined as nonzero), this will switch to native
little-endian format for *all* arrays passed in and out of the public API. This includes public
and private keys, shared secrets, signatures and message hashes.
Using this switch reduces the amount of call stack memory used by uECC, since less intermediate
translations are required.
Note that this will *only* work on native little-endian processors and it will treat the uint8_t
arrays passed into the public API as word arrays, therefore requiring the provided byte arrays
to be word aligned on architectures that do not support unaligned accesses.
IMPORTANT: Keys and signatures generated with uECC_VLI_NATIVE_LITTLE_ENDIAN=1 are incompatible
with keys and signatures generated with uECC_VLI_NATIVE_LITTLE_ENDIAN=0; all parties must use
the same endianness. */
#ifndef uECC_VLI_NATIVE_LITTLE_ENDIAN
#define uECC_VLI_NATIVE_LITTLE_ENDIAN 0
#endif
/* Curve support selection. Set to 0 to remove that curve. */
#ifndef uECC_SUPPORTS_secp160r1
#define uECC_SUPPORTS_secp160r1 1
#endif
#ifndef uECC_SUPPORTS_secp192r1
#define uECC_SUPPORTS_secp192r1 1
#endif
#ifndef uECC_SUPPORTS_secp224r1
#define uECC_SUPPORTS_secp224r1 1
#endif
#ifndef uECC_SUPPORTS_secp256r1
#define uECC_SUPPORTS_secp256r1 1
#endif
#ifndef uECC_SUPPORTS_secp256k1
#define uECC_SUPPORTS_secp256k1 1
#endif
/* Specifies whether compressed point format is supported.
Set to 0 to disable point compression/decompression functions. */
#ifndef uECC_SUPPORT_COMPRESSED_POINT
#define uECC_SUPPORT_COMPRESSED_POINT 1
#endif
struct uECC_Curve_t;
typedef const struct uECC_Curve_t * uECC_Curve;
#ifdef __cplusplus
extern "C"
{
#endif
#if uECC_SUPPORTS_secp160r1
uECC_Curve uECC_secp160r1(void);
#endif
#if uECC_SUPPORTS_secp192r1
uECC_Curve uECC_secp192r1(void);
#endif
#if uECC_SUPPORTS_secp224r1
uECC_Curve uECC_secp224r1(void);
#endif
#if uECC_SUPPORTS_secp256r1
uECC_Curve uECC_secp256r1(void);
#endif
#if uECC_SUPPORTS_secp256k1
uECC_Curve uECC_secp256k1(void);
#endif
/* uECC_RNG_Function type
The RNG function should fill 'size' random bytes into 'dest'. It should return 1 if
'dest' was filled with random data, or 0 if the random data could not be generated.
The filled-in values should be either truly random, or from a cryptographically-secure PRNG.
A correctly functioning RNG function must be set (using uECC_set_rng()) before calling
uECC_make_key() or uECC_sign().
Setting a correctly functioning RNG function improves the resistance to side-channel attacks
for uECC_shared_secret() and uECC_sign_deterministic().
A correct RNG function is set by default when building for Windows, Linux, or OS X.
If you are building on another POSIX-compliant system that supports /dev/random or /dev/urandom,
you can define uECC_POSIX to use the predefined RNG. For embedded platforms there is no predefined
RNG function; you must provide your own.
*/
typedef int (*uECC_RNG_Function)(uint8_t *dest, unsigned size);
/* uECC_set_rng() function.
Set the function that will be used to generate random bytes. The RNG function should
return 1 if the random data was generated, or 0 if the random data could not be generated.
On platforms where there is no predefined RNG function (eg embedded platforms), this must
be called before uECC_make_key() or uECC_sign() are used.
Inputs:
rng_function - The function that will be used to generate random bytes.
*/
void uECC_set_rng(uECC_RNG_Function rng_function);
/* uECC_get_rng() function.
Returns the function that will be used to generate random bytes.
*/
uECC_RNG_Function uECC_get_rng(void);
/* uECC_curve_private_key_size() function.
Returns the size of a private key for the curve in bytes.
*/
int uECC_curve_private_key_size(uECC_Curve curve);
/* uECC_curve_public_key_size() function.
Returns the size of a public key for the curve in bytes.
*/
int uECC_curve_public_key_size(uECC_Curve curve);
/* uECC_make_key() function.
Create a public/private key pair.
Outputs:
public_key - Will be filled in with the public key. Must be at least 2 * the curve size
(in bytes) long. For example, if the curve is secp256r1, public_key must be 64
bytes long.
private_key - Will be filled in with the private key. Must be as long as the curve order; this
is typically the same as the curve size, except for secp160r1. For example, if the
curve is secp256r1, private_key must be 32 bytes long.
For secp160r1, private_key must be 21 bytes long! Note that the first byte will
almost always be 0 (there is about a 1 in 2^80 chance of it being non-zero).
Returns 1 if the key pair was generated successfully, 0 if an error occurred.
*/
int uECC_make_key(uint8_t *public_key, uint8_t *private_key, uECC_Curve curve);
/* uECC_shared_secret() function.
Compute a shared secret given your secret key and someone else's public key. If the public key
is not from a trusted source and has not been previously verified, you should verify it first
using uECC_valid_public_key().
Note: It is recommended that you hash the result of uECC_shared_secret() before using it for
symmetric encryption or HMAC.
Inputs:
public_key - The public key of the remote party.
private_key - Your private key.
Outputs:
secret - Will be filled in with the shared secret value. Must be the same size as the
curve size; for example, if the curve is secp256r1, secret must be 32 bytes long.
Returns 1 if the shared secret was generated successfully, 0 if an error occurred.
*/
int uECC_shared_secret(const uint8_t *public_key,
const uint8_t *private_key,
uint8_t *secret,
uECC_Curve curve);
#if uECC_SUPPORT_COMPRESSED_POINT
/* uECC_compress() function.
Compress a public key.
Inputs:
public_key - The public key to compress.
Outputs:
compressed - Will be filled in with the compressed public key. Must be at least
(curve size + 1) bytes long; for example, if the curve is secp256r1,
compressed must be 33 bytes long.
*/
void uECC_compress(const uint8_t *public_key, uint8_t *compressed, uECC_Curve curve);
/* uECC_decompress() function.
Decompress a compressed public key.
Inputs:
compressed - The compressed public key.
Outputs:
public_key - Will be filled in with the decompressed public key.
*/
void uECC_decompress(const uint8_t *compressed, uint8_t *public_key, uECC_Curve curve);
#endif /* uECC_SUPPORT_COMPRESSED_POINT */
/* uECC_valid_public_key() function.
Check to see if a public key is valid.
Note that you are not required to check for a valid public key before using any other uECC
functions. However, you may wish to avoid spending CPU time computing a shared secret or
verifying a signature using an invalid public key.
Inputs:
public_key - The public key to check.
Returns 1 if the public key is valid, 0 if it is invalid.
*/
int uECC_valid_public_key(const uint8_t *public_key, uECC_Curve curve);
/* uECC_compute_public_key() function.
Compute the corresponding public key for a private key.
Inputs:
private_key - The private key to compute the public key for
Outputs:
public_key - Will be filled in with the corresponding public key
Returns 1 if the key was computed successfully, 0 if an error occurred.
*/
int uECC_compute_public_key(const uint8_t *private_key, uint8_t *public_key, uECC_Curve curve);
/* uECC_sign() function.
Generate an ECDSA signature for a given hash value.
Usage: Compute a hash of the data you wish to sign (SHA-2 is recommended) and pass it in to
this function along with your private key.
Inputs:
private_key - Your private key.
message_hash - The hash of the message to sign.
hash_size - The size of message_hash in bytes.
Outputs:
signature - Will be filled in with the signature value. Must be at least 2 * curve size long.
For example, if the curve is secp256r1, signature must be 64 bytes long.
Returns 1 if the signature generated successfully, 0 if an error occurred.
*/
int uECC_sign(const uint8_t *private_key,
const uint8_t *message_hash,
unsigned hash_size,
uint8_t *signature,
uECC_Curve curve);
/* uECC_HashContext structure.
This is used to pass in an arbitrary hash function to uECC_sign_deterministic().
The structure will be used for multiple hash computations; each time a new hash
is computed, init_hash() will be called, followed by one or more calls to
update_hash(), and finally a call to finish_hash() to produce the resulting hash.
The intention is that you will create a structure that includes uECC_HashContext
followed by any hash-specific data. For example:
typedef struct SHA256_HashContext {
uECC_HashContext uECC;
SHA256_CTX ctx;
} SHA256_HashContext;
void init_SHA256(uECC_HashContext *base) {
SHA256_HashContext *context = (SHA256_HashContext *)base;
SHA256_Init(&context->ctx);
}
void update_SHA256(uECC_HashContext *base,
const uint8_t *message,
unsigned message_size) {
SHA256_HashContext *context = (SHA256_HashContext *)base;
SHA256_Update(&context->ctx, message, message_size);
}
void finish_SHA256(uECC_HashContext *base, uint8_t *hash_result) {
SHA256_HashContext *context = (SHA256_HashContext *)base;
SHA256_Final(hash_result, &context->ctx);
}
... when signing ...
{
uint8_t tmp[32 + 32 + 64];
SHA256_HashContext ctx = {{&init_SHA256, &update_SHA256, &finish_SHA256, 64, 32, tmp}};
uECC_sign_deterministic(key, message_hash, &ctx.uECC, signature);
}
*/
typedef struct uECC_HashContext {
void (*init_hash)(const struct uECC_HashContext *context);
void (*update_hash)(const struct uECC_HashContext *context,
const uint8_t *message,
unsigned message_size);
void (*finish_hash)(const struct uECC_HashContext *context, uint8_t *hash_result);
unsigned block_size; /* Hash function block size in bytes, eg 64 for SHA-256. */
unsigned result_size; /* Hash function result size in bytes, eg 32 for SHA-256. */
uint8_t *tmp; /* Must point to a buffer of at least (2 * result_size + block_size) bytes. */
} uECC_HashContext;
/* uECC_sign_deterministic() function.
Generate an ECDSA signature for a given hash value, using a deterministic algorithm
(see RFC 6979). You do not need to set the RNG using uECC_set_rng() before calling
this function; however, if the RNG is defined it will improve resistance to side-channel
attacks.
Usage: Compute a hash of the data you wish to sign (SHA-2 is recommended) and pass it to
this function along with your private key and a hash context. Note that the message_hash
does not need to be computed with the same hash function used by hash_context.
Inputs:
private_key - Your private key.
message_hash - The hash of the message to sign.
hash_size - The size of message_hash in bytes.
hash_context - A hash context to use.
Outputs:
signature - Will be filled in with the signature value.
Returns 1 if the signature generated successfully, 0 if an error occurred.
*/
int uECC_sign_deterministic(const uint8_t *private_key,
const uint8_t *message_hash,
unsigned hash_size,
const uECC_HashContext *hash_context,
uint8_t *signature,
uECC_Curve curve);
/* uECC_verify() function.
Verify an ECDSA signature.
Usage: Compute the hash of the signed data using the same hash as the signer and
pass it to this function along with the signer's public key and the signature values (r and s).
Inputs:
public_key - The signer's public key.
message_hash - The hash of the signed data.
hash_size - The size of message_hash in bytes.
signature - The signature value.
Returns 1 if the signature is valid, 0 if it is invalid.
*/
int uECC_verify(const uint8_t *public_key,
const uint8_t *message_hash,
unsigned hash_size,
const uint8_t *signature,
uECC_Curve curve);
#ifdef __cplusplus
} /* end of extern "C" */
#endif
#endif /* _UECC_H_ */

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/* Copyright 2015, Kenneth MacKay. Licensed under the BSD 2-clause license. */
#ifndef _UECC_VLI_H_
#define _UECC_VLI_H_
#include "uECC.h"
#include "types.h"
/* Functions for raw large-integer manipulation. These are only available
if uECC.c is compiled with uECC_ENABLE_VLI_API defined to 1. */
#ifndef uECC_ENABLE_VLI_API
#define uECC_ENABLE_VLI_API 0
#endif
#ifdef __cplusplus
extern "C"
{
#endif
#if uECC_ENABLE_VLI_API
void uECC_vli_clear(uECC_word_t *vli, wordcount_t num_words);
/* Constant-time comparison to zero - secure way to compare long integers */
/* Returns 1 if vli == 0, 0 otherwise. */
uECC_word_t uECC_vli_isZero(const uECC_word_t *vli, wordcount_t num_words);
/* Returns nonzero if bit 'bit' of vli is set. */
uECC_word_t uECC_vli_testBit(const uECC_word_t *vli, bitcount_t bit);
/* Counts the number of bits required to represent vli. */
bitcount_t uECC_vli_numBits(const uECC_word_t *vli, const wordcount_t max_words);
/* Sets dest = src. */
void uECC_vli_set(uECC_word_t *dest, const uECC_word_t *src, wordcount_t num_words);
/* Constant-time comparison function - secure way to compare long integers */
/* Returns one if left == right, zero otherwise */
uECC_word_t uECC_vli_equal(const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words);
/* Constant-time comparison function - secure way to compare long integers */
/* Returns sign of left - right, in constant time. */
cmpresult_t uECC_vli_cmp(const uECC_word_t *left, const uECC_word_t *right, wordcount_t num_words);
/* Computes vli = vli >> 1. */
void uECC_vli_rshift1(uECC_word_t *vli, wordcount_t num_words);
/* Computes result = left + right, returning carry. Can modify in place. */
uECC_word_t uECC_vli_add(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words);
/* Computes result = left - right, returning borrow. Can modify in place. */
uECC_word_t uECC_vli_sub(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words);
/* Computes result = left * right. Result must be 2 * num_words long. */
void uECC_vli_mult(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
wordcount_t num_words);
/* Computes result = left^2. Result must be 2 * num_words long. */
void uECC_vli_square(uECC_word_t *result, const uECC_word_t *left, wordcount_t num_words);
/* Computes result = (left + right) % mod.
Assumes that left < mod and right < mod, and that result does not overlap mod. */
void uECC_vli_modAdd(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
const uECC_word_t *mod,
wordcount_t num_words);
/* Computes result = (left - right) % mod.
Assumes that left < mod and right < mod, and that result does not overlap mod. */
void uECC_vli_modSub(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
const uECC_word_t *mod,
wordcount_t num_words);
/* Computes result = product % mod, where product is 2N words long.
Currently only designed to work for mod == curve->p or curve_n. */
void uECC_vli_mmod(uECC_word_t *result,
uECC_word_t *product,
const uECC_word_t *mod,
wordcount_t num_words);
/* Calculates result = product (mod curve->p), where product is up to
2 * curve->num_words long. */
void uECC_vli_mmod_fast(uECC_word_t *result, uECC_word_t *product, uECC_Curve curve);
/* Computes result = (left * right) % mod.
Currently only designed to work for mod == curve->p or curve_n. */
void uECC_vli_modMult(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
const uECC_word_t *mod,
wordcount_t num_words);
/* Computes result = (left * right) % curve->p. */
void uECC_vli_modMult_fast(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *right,
uECC_Curve curve);
/* Computes result = left^2 % mod.
Currently only designed to work for mod == curve->p or curve_n. */
void uECC_vli_modSquare(uECC_word_t *result,
const uECC_word_t *left,
const uECC_word_t *mod,
wordcount_t num_words);
/* Computes result = left^2 % curve->p. */
void uECC_vli_modSquare_fast(uECC_word_t *result, const uECC_word_t *left, uECC_Curve curve);
/* Computes result = (1 / input) % mod.*/
void uECC_vli_modInv(uECC_word_t *result,
const uECC_word_t *input,
const uECC_word_t *mod,
wordcount_t num_words);
#if uECC_SUPPORT_COMPRESSED_POINT
/* Calculates a = sqrt(a) (mod curve->p) */
void uECC_vli_mod_sqrt(uECC_word_t *a, uECC_Curve curve);
#endif
/* Converts an integer in uECC native format to big-endian bytes. */
void uECC_vli_nativeToBytes(uint8_t *bytes, int num_bytes, const uECC_word_t *native);
/* Converts big-endian bytes to an integer in uECC native format. */
void uECC_vli_bytesToNative(uECC_word_t *native, const uint8_t *bytes, int num_bytes);
unsigned uECC_curve_num_words(uECC_Curve curve);
unsigned uECC_curve_num_bytes(uECC_Curve curve);
unsigned uECC_curve_num_bits(uECC_Curve curve);
unsigned uECC_curve_num_n_words(uECC_Curve curve);
unsigned uECC_curve_num_n_bytes(uECC_Curve curve);
unsigned uECC_curve_num_n_bits(uECC_Curve curve);
const uECC_word_t *uECC_curve_p(uECC_Curve curve);
const uECC_word_t *uECC_curve_n(uECC_Curve curve);
const uECC_word_t *uECC_curve_G(uECC_Curve curve);
const uECC_word_t *uECC_curve_b(uECC_Curve curve);
int uECC_valid_point(const uECC_word_t *point, uECC_Curve curve);
/* Multiplies a point by a scalar. Points are represented by the X coordinate followed by
the Y coordinate in the same array, both coordinates are curve->num_words long. Note
that scalar must be curve->num_n_words long (NOT curve->num_words). */
void uECC_point_mult(uECC_word_t *result,
const uECC_word_t *point,
const uECC_word_t *scalar,
uECC_Curve curve);
/* Generates a random integer in the range 0 < random < top.
Both random and top have num_words words. */
int uECC_generate_random_int(uECC_word_t *random,
const uECC_word_t *top,
wordcount_t num_words);
#endif /* uECC_ENABLE_VLI_API */
#ifdef __cplusplus
} /* end of extern "C" */
#endif
#endif /* _UECC_VLI_H_ */

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@@ -0,0 +1,70 @@
PROJECT_NAME := ext_micro_ecc_nrf51_library_armgcc
TARGETS := micro_ecc_lib
OUTPUT_DIRECTORY := _build
SDK_ROOT := ../../../..
PROJ_DIR := ../..
# Source files common to all targets
SRC_FILES += \
$(PROJ_DIR)/micro-ecc/uECC.c \
# Include folders common to all targets
INC_FOLDERS += \
# Libraries common to all targets
LIB_FILES += \
# C flags common to all targets
CFLAGS += -DuECC_ENABLE_VLI_API
CFLAGS += -DuECC_VLI_NATIVE_LITTLE_ENDIAN=1
CFLAGS += -DuECC_SQUARE_FUNC=1
CFLAGS += -DuECC_SUPPORTS_secp256r1=1
CFLAGS += -DuECC_SUPPORT_COMPRESSED_POINT=0
CFLAGS += -DuECC_OPTIMIZATION_LEVEL=3
CFLAGS += -mcpu=cortex-m0
CFLAGS += -mthumb -mabi=aapcs
CFLAGS += -Wall -Werror -Os -g3
CFLAGS += -mfloat-abi=soft
# keep every function in separate section, this allows linker to discard unused ones
CFLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing
CFLAGS += -fno-builtin --short-enums
# C++ flags common to all targets
CXXFLAGS += \
# Assembler flags common to all targets
ASMFLAGS += -x assembler-with-cpp
ASMFLAGS += -DuECC_ENABLE_VLI_API
ASMFLAGS += -DuECC_VLI_NATIVE_LITTLE_ENDIAN=1
ASMFLAGS += -DuECC_SQUARE_FUNC=1
ASMFLAGS += -DuECC_SUPPORTS_secp256r1=1
ASMFLAGS += -DuECC_SUPPORT_COMPRESSED_POINT=0
ASMFLAGS += -DuECC_OPTIMIZATION_LEVEL=3
.PHONY: $(TARGETS) default all clean help flash
# Default target - first one defined
default: micro_ecc_lib
# Print all targets that can be built
help:
@echo following targets are available:
@echo micro_ecc_lib
TEMPLATE_PATH := $(SDK_ROOT)/components/toolchain/gcc
include $(TEMPLATE_PATH)/Makefile.common
$(call define_library, $(TARGETS), $(PROJ_DIR)/nrf51_armgcc/armgcc/micro_ecc_lib_nrf51.a)
define create_library
@echo Creating library: $($@)
$(NO_ECHO)$(AR) $($@) $^
@echo Done
endef
micro_ecc_lib:
$(create_library)

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@@ -0,0 +1,28 @@
/* Linker script to configure memory regions. */
SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)
MEMORY
{
FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x0
RAM (rwx) : ORIGIN = 0x0, LENGTH = 0x0
}
SECTIONS
{
.fs_data :
{
PROVIDE(__start_fs_data = .);
KEEP(*(.fs_data))
PROVIDE(__stop_fs_data = .);
} > RAM
.pwr_mgmt_data :
{
PROVIDE(__start_pwr_mgmt_data = .);
KEEP(*(.pwr_mgmt_data))
PROVIDE(__stop_pwr_mgmt_data = .);
} > RAM
} INSERT AFTER .data;
INCLUDE "nrf5x_common.ld"

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@@ -0,0 +1,70 @@
PROJECT_NAME := ext_micro_ecc_nrf51_library_keil
TARGETS := micro_ecc_lib
OUTPUT_DIRECTORY := _build
SDK_ROOT := ../../../..
PROJ_DIR := ../..
# Source files common to all targets
SRC_FILES += \
$(PROJ_DIR)/micro-ecc/uECC.c \
# Include folders common to all targets
INC_FOLDERS += \
# Libraries common to all targets
LIB_FILES += \
# C flags common to all targets
CFLAGS += -DuECC_ENABLE_VLI_API
CFLAGS += -DuECC_VLI_NATIVE_LITTLE_ENDIAN=1
CFLAGS += -DuECC_SQUARE_FUNC=1
CFLAGS += -DuECC_SUPPORTS_secp256r1=1
CFLAGS += -DuECC_SUPPORT_COMPRESSED_POINT=0
CFLAGS += -DuECC_OPTIMIZATION_LEVEL=3
CFLAGS += -mcpu=cortex-m0
CFLAGS += -mthumb -mabi=aapcs
CFLAGS += -Wall -Werror -Os -g3
CFLAGS += -mfloat-abi=soft
# keep every function in separate section, this allows linker to discard unused ones
CFLAGS += -ffunction-sections -fdata-sections -fno-strict-aliasing
CFLAGS += -fno-builtin --short-enums -fshort-wchar
# C++ flags common to all targets
CXXFLAGS += \
# Assembler flags common to all targets
ASMFLAGS += -x assembler-with-cpp
ASMFLAGS += -DuECC_ENABLE_VLI_API
ASMFLAGS += -DuECC_VLI_NATIVE_LITTLE_ENDIAN=1
ASMFLAGS += -DuECC_SQUARE_FUNC=1
ASMFLAGS += -DuECC_SUPPORTS_secp256r1=1
ASMFLAGS += -DuECC_SUPPORT_COMPRESSED_POINT=0
ASMFLAGS += -DuECC_OPTIMIZATION_LEVEL=3
.PHONY: $(TARGETS) default all clean help flash
# Default target - first one defined
default: micro_ecc_lib
# Print all targets that can be built
help:
@echo following targets are available:
@echo micro_ecc_lib
TEMPLATE_PATH := $(SDK_ROOT)/components/toolchain/gcc
include $(TEMPLATE_PATH)/Makefile.common
$(call define_library, $(TARGETS), $(PROJ_DIR)/nrf51_keil/armgcc/micro_ecc_lib_nrf51.lib)
define create_library
@echo Creating library: $($@)
$(NO_ECHO)$(AR) $($@) $^
@echo Done
endef
micro_ecc_lib:
$(create_library)

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@@ -0,0 +1,28 @@
/* Linker script to configure memory regions. */
SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)
MEMORY
{
FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x0
RAM (rwx) : ORIGIN = 0x0, LENGTH = 0x0
}
SECTIONS
{
.fs_data :
{
PROVIDE(__start_fs_data = .);
KEEP(*(.fs_data))
PROVIDE(__stop_fs_data = .);
} > RAM
.pwr_mgmt_data :
{
PROVIDE(__start_pwr_mgmt_data = .);
KEEP(*(.pwr_mgmt_data))
PROVIDE(__stop_pwr_mgmt_data = .);
} > RAM
} INSERT AFTER .data;
INCLUDE "nrf5x_common.ld"

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@@ -0,0 +1,20 @@
Copyright (c) 2011 Petteri Aimonen <jpa at nanopb.mail.kapsi.fi>
This software is provided 'as-is', without any express or
implied warranty. In no event will the authors be held liable
for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you use
this software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.

556
SDK/12.3.0_d7731ad/external/nano-pb/pb.h vendored Normal file
View File

@@ -0,0 +1,556 @@
/* Common parts of the nanopb library. Most of these are quite low-level
* stuff. For the high-level interface, see pb_encode.h and pb_decode.h.
*/
#ifndef PB_H_INCLUDED
#define PB_H_INCLUDED
/*****************************************************************
* Nanopb compilation time options. You can change these here by *
* uncommenting the lines, or on the compiler command line. *
*****************************************************************/
/* Enable support for dynamically allocated fields */
/* #define PB_ENABLE_MALLOC 1 */
/* Define this if your CPU / compiler combination does not support
* unaligned memory access to packed structures. */
#define PB_NO_PACKED_STRUCTS 1
/* Increase the number of required fields that are tracked.
* A compiler warning will tell if you need this. */
/* #define PB_MAX_REQUIRED_FIELDS 256 */
/* Add support for tag numbers > 255 and fields larger than 255 bytes. */
/* #define PB_FIELD_16BIT 1 */
/* Add support for tag numbers > 65536 and fields larger than 65536 bytes. */
/* #define PB_FIELD_32BIT 1 */
/* Disable support for error messages in order to save some code space. */
#define PB_NO_ERRMSG 1
/* Disable support for custom streams (support only memory buffers). */
/* #define PB_BUFFER_ONLY 1 */
/* Switch back to the old-style callback function signature.
* This was the default until nanopb-0.2.1. */
/* #define PB_OLD_CALLBACK_STYLE */
/******************************************************************
* You usually don't need to change anything below this line. *
* Feel free to look around and use the defined macros, though. *
******************************************************************/
/* Version of the nanopb library. Just in case you want to check it in
* your own program. */
#define NANOPB_VERSION nanopb-0.3.6-dev
/* Include all the system headers needed by nanopb. You will need the
* definitions of the following:
* - strlen, memcpy, memset functions
* - [u]int_least8_t, uint_fast8_t, [u]int_least16_t, [u]int32_t, [u]int64_t
* - size_t
* - bool
*
* If you don't have the standard header files, you can instead provide
* a custom header that defines or includes all this. In that case,
* define PB_SYSTEM_HEADER to the path of this file.
*/
#ifdef PB_SYSTEM_HEADER
#include PB_SYSTEM_HEADER
#else
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <string.h>
#ifdef PB_ENABLE_MALLOC
#include <stdlib.h>
#endif
#endif
/* Macro for defining packed structures (compiler dependent).
* This just reduces memory requirements, but is not required.
*/
#if defined(PB_NO_PACKED_STRUCTS)
/* Disable struct packing */
# define PB_PACKED_STRUCT_START
# define PB_PACKED_STRUCT_END
# define pb_packed
#elif defined(__GNUC__) || defined(__clang__)
/* For GCC and clang */
# define PB_PACKED_STRUCT_START
# define PB_PACKED_STRUCT_END
# define pb_packed __attribute__((packed))
#elif defined(__ICCARM__) || defined(__CC_ARM)
/* For IAR ARM and Keil MDK-ARM compilers */
# define PB_PACKED_STRUCT_START _Pragma("pack(push, 1)")
# define PB_PACKED_STRUCT_END _Pragma("pack(pop)")
# define pb_packed
#elif defined(_MSC_VER) && (_MSC_VER >= 1500)
/* For Microsoft Visual C++ */
# define PB_PACKED_STRUCT_START __pragma(pack(push, 1))
# define PB_PACKED_STRUCT_END __pragma(pack(pop))
# define pb_packed
#else
/* Unknown compiler */
# define PB_PACKED_STRUCT_START
# define PB_PACKED_STRUCT_END
# define pb_packed
#endif
/* Handly macro for suppressing unreferenced-parameter compiler warnings. */
#ifndef PB_UNUSED
#define PB_UNUSED(x) (void)(x)
#endif
/* Compile-time assertion, used for checking compatible compilation options.
* If this does not work properly on your compiler, use
* #define PB_NO_STATIC_ASSERT to disable it.
*
* But before doing that, check carefully the error message / place where it
* comes from to see if the error has a real cause. Unfortunately the error
* message is not always very clear to read, but you can see the reason better
* in the place where the PB_STATIC_ASSERT macro was called.
*/
#ifndef PB_NO_STATIC_ASSERT
#ifndef PB_STATIC_ASSERT
#define PB_STATIC_ASSERT(COND,MSG) typedef char PB_STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1];
#define PB_STATIC_ASSERT_MSG(MSG, LINE, COUNTER) PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER)
#define PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) pb_static_assertion_##MSG##LINE##COUNTER
#endif
#else
#define PB_STATIC_ASSERT(COND,MSG)
#endif
/* Number of required fields to keep track of. */
#ifndef PB_MAX_REQUIRED_FIELDS
#define PB_MAX_REQUIRED_FIELDS 64
#endif
#if PB_MAX_REQUIRED_FIELDS < 64
#error You should not lower PB_MAX_REQUIRED_FIELDS from the default value (64).
#endif
/* List of possible field types. These are used in the autogenerated code.
* Least-significant 4 bits tell the scalar type
* Most-significant 4 bits specify repeated/required/packed etc.
*/
typedef uint_least8_t pb_type_t;
/**** Field data types ****/
/* Numeric types */
#define PB_LTYPE_VARINT 0x00 /* int32, int64, enum, bool */
#define PB_LTYPE_UVARINT 0x01 /* uint32, uint64 */
#define PB_LTYPE_SVARINT 0x02 /* sint32, sint64 */
#define PB_LTYPE_FIXED32 0x03 /* fixed32, sfixed32, float */
#define PB_LTYPE_FIXED64 0x04 /* fixed64, sfixed64, double */
/* Marker for last packable field type. */
#define PB_LTYPE_LAST_PACKABLE 0x04
/* Byte array with pre-allocated buffer.
* data_size is the length of the allocated PB_BYTES_ARRAY structure. */
#define PB_LTYPE_BYTES 0x05
/* String with pre-allocated buffer.
* data_size is the maximum length. */
#define PB_LTYPE_STRING 0x06
/* Submessage
* submsg_fields is pointer to field descriptions */
#define PB_LTYPE_SUBMESSAGE 0x07
/* Extension pseudo-field
* The field contains a pointer to pb_extension_t */
#define PB_LTYPE_EXTENSION 0x08
/* Number of declared LTYPES */
#define PB_LTYPES_COUNT 9
#define PB_LTYPE_MASK 0x0F
/**** Field repetition rules ****/
#define PB_HTYPE_REQUIRED 0x00
#define PB_HTYPE_OPTIONAL 0x10
#define PB_HTYPE_REPEATED 0x20
#define PB_HTYPE_ONEOF 0x30
#define PB_HTYPE_MASK 0x30
/**** Field allocation types ****/
#define PB_ATYPE_STATIC 0x00
#define PB_ATYPE_POINTER 0x80
#define PB_ATYPE_CALLBACK 0x40
#define PB_ATYPE_MASK 0xC0
#define PB_ATYPE(x) ((x) & PB_ATYPE_MASK)
#define PB_HTYPE(x) ((x) & PB_HTYPE_MASK)
#define PB_LTYPE(x) ((x) & PB_LTYPE_MASK)
/* Data type used for storing sizes of struct fields
* and array counts.
*/
#if defined(PB_FIELD_32BIT)
typedef uint32_t pb_size_t;
typedef int32_t pb_ssize_t;
#elif defined(PB_FIELD_16BIT)
typedef uint_least16_t pb_size_t;
typedef int_least16_t pb_ssize_t;
#else
typedef uint_least8_t pb_size_t;
typedef int_least8_t pb_ssize_t;
#endif
#define PB_SIZE_MAX ((pb_size_t)-1)
/* Data type for storing encoded data and other byte streams.
* This typedef exists to support platforms where uint8_t does not exist.
* You can regard it as equivalent on uint8_t on other platforms.
*/
typedef uint_least8_t pb_byte_t;
/* This structure is used in auto-generated constants
* to specify struct fields.
* You can change field sizes if you need structures
* larger than 256 bytes or field tags larger than 256.
* The compiler should complain if your .proto has such
* structures. Fix that by defining PB_FIELD_16BIT or
* PB_FIELD_32BIT.
*/
PB_PACKED_STRUCT_START
typedef struct pb_field_s pb_field_t;
struct pb_field_s {
pb_size_t tag;
pb_type_t type;
pb_size_t data_offset; /* Offset of field data, relative to previous field. */
pb_ssize_t size_offset; /* Offset of array size or has-boolean, relative to data */
pb_size_t data_size; /* Data size in bytes for a single item */
pb_size_t array_size; /* Maximum number of entries in array */
/* Field definitions for submessage
* OR default value for all other non-array, non-callback types
* If null, then field will zeroed. */
const void *ptr;
} pb_packed;
PB_PACKED_STRUCT_END
/* Make sure that the standard integer types are of the expected sizes.
* Otherwise fixed32/fixed64 fields can break.
*
* If you get errors here, it probably means that your stdint.h is not
* correct for your platform.
*/
PB_STATIC_ASSERT(sizeof(int64_t) == 2 * sizeof(int32_t), INT64_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(uint64_t) == 2 * sizeof(uint32_t), UINT64_T_WRONG_SIZE)
/* This structure is used for 'bytes' arrays.
* It has the number of bytes in the beginning, and after that an array.
* Note that actual structs used will have a different length of bytes array.
*/
#define PB_BYTES_ARRAY_T(n) struct { pb_size_t size; pb_byte_t bytes[n]; }
#define PB_BYTES_ARRAY_T_ALLOCSIZE(n) ((size_t)n + offsetof(pb_bytes_array_t, bytes))
struct pb_bytes_array_s {
pb_size_t size;
pb_byte_t bytes[1];
};
typedef struct pb_bytes_array_s pb_bytes_array_t;
/* This structure is used for giving the callback function.
* It is stored in the message structure and filled in by the method that
* calls pb_decode.
*
* The decoding callback will be given a limited-length stream
* If the wire type was string, the length is the length of the string.
* If the wire type was a varint/fixed32/fixed64, the length is the length
* of the actual value.
* The function may be called multiple times (especially for repeated types,
* but also otherwise if the message happens to contain the field multiple
* times.)
*
* The encoding callback will receive the actual output stream.
* It should write all the data in one call, including the field tag and
* wire type. It can write multiple fields.
*
* The callback can be null if you want to skip a field.
*/
typedef struct pb_istream_s pb_istream_t;
typedef struct pb_ostream_s pb_ostream_t;
typedef struct pb_callback_s pb_callback_t;
struct pb_callback_s {
#ifdef PB_OLD_CALLBACK_STYLE
/* Deprecated since nanopb-0.2.1 */
union {
bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void *arg);
bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, const void *arg);
} funcs;
#else
/* New function signature, which allows modifying arg contents in callback. */
union {
bool (*decode)(pb_istream_t *stream, const pb_field_t *field, void **arg);
bool (*encode)(pb_ostream_t *stream, const pb_field_t *field, void * const *arg);
} funcs;
#endif
/* Free arg for use by callback */
void *arg;
};
/* Wire types. Library user needs these only in encoder callbacks. */
typedef enum {
PB_WT_VARINT = 0,
PB_WT_64BIT = 1,
PB_WT_STRING = 2,
PB_WT_32BIT = 5
} pb_wire_type_t;
/* Structure for defining the handling of unknown/extension fields.
* Usually the pb_extension_type_t structure is automatically generated,
* while the pb_extension_t structure is created by the user. However,
* if you want to catch all unknown fields, you can also create a custom
* pb_extension_type_t with your own callback.
*/
typedef struct pb_extension_type_s pb_extension_type_t;
typedef struct pb_extension_s pb_extension_t;
struct pb_extension_type_s {
/* Called for each unknown field in the message.
* If you handle the field, read off all of its data and return true.
* If you do not handle the field, do not read anything and return true.
* If you run into an error, return false.
* Set to NULL for default handler.
*/
bool (*decode)(pb_istream_t *stream, pb_extension_t *extension,
uint32_t tag, pb_wire_type_t wire_type);
/* Called once after all regular fields have been encoded.
* If you have something to write, do so and return true.
* If you do not have anything to write, just return true.
* If you run into an error, return false.
* Set to NULL for default handler.
*/
bool (*encode)(pb_ostream_t *stream, const pb_extension_t *extension);
/* Free field for use by the callback. */
const void *arg;
};
struct pb_extension_s {
/* Type describing the extension field. Usually you'll initialize
* this to a pointer to the automatically generated structure. */
const pb_extension_type_t *type;
/* Destination for the decoded data. This must match the datatype
* of the extension field. */
void *dest;
/* Pointer to the next extension handler, or NULL.
* If this extension does not match a field, the next handler is
* automatically called. */
pb_extension_t *next;
/* The decoder sets this to true if the extension was found.
* Ignored for encoding. */
bool found;
};
/* Memory allocation functions to use. You can define pb_realloc and
* pb_free to custom functions if you want. */
#ifdef PB_ENABLE_MALLOC
# ifndef pb_realloc
# define pb_realloc(ptr, size) realloc(ptr, size)
# endif
# ifndef pb_free
# define pb_free(ptr) free(ptr)
# endif
#endif
/* This is used to inform about need to regenerate .pb.h/.pb.c files. */
#define PB_PROTO_HEADER_VERSION 30
/* These macros are used to declare pb_field_t's in the constant array. */
/* Size of a structure member, in bytes. */
#define pb_membersize(st, m) (sizeof ((st*)0)->m)
/* Number of entries in an array. */
#define pb_arraysize(st, m) (pb_membersize(st, m) / pb_membersize(st, m[0]))
/* Delta from start of one member to the start of another member. */
#define pb_delta(st, m1, m2) ((int)offsetof(st, m1) - (int)offsetof(st, m2))
/* Marks the end of the field list */
#define PB_LAST_FIELD {0,(pb_type_t) 0,0,0,0,0,0}
/* Macros for filling in the data_offset field */
/* data_offset for first field in a message */
#define PB_DATAOFFSET_FIRST(st, m1, m2) (offsetof(st, m1))
/* data_offset for subsequent fields */
#define PB_DATAOFFSET_OTHER(st, m1, m2) (offsetof(st, m1) - offsetof(st, m2) - pb_membersize(st, m2))
/* Choose first/other based on m1 == m2 (deprecated, remains for backwards compatibility) */
#define PB_DATAOFFSET_CHOOSE(st, m1, m2) (int)(offsetof(st, m1) == offsetof(st, m2) \
? PB_DATAOFFSET_FIRST(st, m1, m2) \
: PB_DATAOFFSET_OTHER(st, m1, m2))
/* Required fields are the simplest. They just have delta (padding) from
* previous field end, and the size of the field. Pointer is used for
* submessages and default values.
*/
#define PB_REQUIRED_STATIC(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_STATIC | PB_HTYPE_REQUIRED | ltype, \
fd, 0, pb_membersize(st, m), 0, ptr}
/* Optional fields add the delta to the has_ variable. */
#define PB_OPTIONAL_STATIC(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_STATIC | PB_HTYPE_OPTIONAL | ltype, \
fd, \
pb_delta(st, has_ ## m, m), \
pb_membersize(st, m), 0, ptr}
/* Repeated fields have a _count field and also the maximum number of entries. */
#define PB_REPEATED_STATIC(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_STATIC | PB_HTYPE_REPEATED | ltype, \
fd, \
pb_delta(st, m ## _count, m), \
pb_membersize(st, m[0]), \
pb_arraysize(st, m), ptr}
/* Allocated fields carry the size of the actual data, not the pointer */
#define PB_REQUIRED_POINTER(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_POINTER | PB_HTYPE_REQUIRED | ltype, \
fd, 0, pb_membersize(st, m[0]), 0, ptr}
/* Optional fields don't need a has_ variable, as information would be redundant */
#define PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_POINTER | PB_HTYPE_OPTIONAL | ltype, \
fd, 0, pb_membersize(st, m[0]), 0, ptr}
/* Repeated fields have a _count field and a pointer to array of pointers */
#define PB_REPEATED_POINTER(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_POINTER | PB_HTYPE_REPEATED | ltype, \
fd, pb_delta(st, m ## _count, m), \
pb_membersize(st, m[0]), 0, ptr}
/* Callbacks are much like required fields except with special datatype. */
#define PB_REQUIRED_CALLBACK(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_CALLBACK | PB_HTYPE_REQUIRED | ltype, \
fd, 0, pb_membersize(st, m), 0, ptr}
#define PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_CALLBACK | PB_HTYPE_OPTIONAL | ltype, \
fd, 0, pb_membersize(st, m), 0, ptr}
#define PB_REPEATED_CALLBACK(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_CALLBACK | PB_HTYPE_REPEATED | ltype, \
fd, 0, pb_membersize(st, m), 0, ptr}
/* Optional extensions don't have the has_ field, as that would be redundant. */
#define PB_OPTEXT_STATIC(tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_STATIC | PB_HTYPE_OPTIONAL | ltype, \
0, \
0, \
pb_membersize(st, m), 0, ptr}
#define PB_OPTEXT_POINTER(tag, st, m, fd, ltype, ptr) \
PB_OPTIONAL_POINTER(tag, st, m, fd, ltype, ptr)
#define PB_OPTEXT_CALLBACK(tag, st, m, fd, ltype, ptr) \
PB_OPTIONAL_CALLBACK(tag, st, m, fd, ltype, ptr)
/* The mapping from protobuf types to LTYPEs is done using these macros. */
#define PB_LTYPE_MAP_BOOL PB_LTYPE_VARINT
#define PB_LTYPE_MAP_BYTES PB_LTYPE_BYTES
#define PB_LTYPE_MAP_DOUBLE PB_LTYPE_FIXED64
#define PB_LTYPE_MAP_ENUM PB_LTYPE_VARINT
#define PB_LTYPE_MAP_UENUM PB_LTYPE_UVARINT
#define PB_LTYPE_MAP_FIXED32 PB_LTYPE_FIXED32
#define PB_LTYPE_MAP_FIXED64 PB_LTYPE_FIXED64
#define PB_LTYPE_MAP_FLOAT PB_LTYPE_FIXED32
#define PB_LTYPE_MAP_INT32 PB_LTYPE_VARINT
#define PB_LTYPE_MAP_INT64 PB_LTYPE_VARINT
#define PB_LTYPE_MAP_MESSAGE PB_LTYPE_SUBMESSAGE
#define PB_LTYPE_MAP_SFIXED32 PB_LTYPE_FIXED32
#define PB_LTYPE_MAP_SFIXED64 PB_LTYPE_FIXED64
#define PB_LTYPE_MAP_SINT32 PB_LTYPE_SVARINT
#define PB_LTYPE_MAP_SINT64 PB_LTYPE_SVARINT
#define PB_LTYPE_MAP_STRING PB_LTYPE_STRING
#define PB_LTYPE_MAP_UINT32 PB_LTYPE_UVARINT
#define PB_LTYPE_MAP_UINT64 PB_LTYPE_UVARINT
#define PB_LTYPE_MAP_EXTENSION PB_LTYPE_EXTENSION
/* This is the actual macro used in field descriptions.
* It takes these arguments:
* - Field tag number
* - Field type: BOOL, BYTES, DOUBLE, ENUM, UENUM, FIXED32, FIXED64,
* FLOAT, INT32, INT64, MESSAGE, SFIXED32, SFIXED64
* SINT32, SINT64, STRING, UINT32, UINT64 or EXTENSION
* - Field rules: REQUIRED, OPTIONAL or REPEATED
* - Allocation: STATIC or CALLBACK
* - Placement: FIRST or OTHER, depending on if this is the first field in structure.
* - Message name
* - Field name
* - Previous field name (or field name again for first field)
* - Pointer to default value or submsg fields.
*/
#define PB_FIELD(tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
PB_ ## rules ## _ ## allocation(tag, message, field, \
PB_DATAOFFSET_ ## placement(message, field, prevfield), \
PB_LTYPE_MAP_ ## type, ptr)
/* Field description for oneof fields. This requires taking into account the
* union name also, that's why a separate set of macros is needed.
*/
#define PB_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_STATIC | PB_HTYPE_ONEOF | ltype, \
fd, pb_delta(st, which_ ## u, u.m), \
pb_membersize(st, u.m), 0, ptr}
#define PB_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_POINTER | PB_HTYPE_ONEOF | ltype, \
fd, pb_delta(st, which_ ## u, u.m), \
pb_membersize(st, u.m[0]), 0, ptr}
#define PB_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
PB_ONEOF_ ## allocation(union_name, tag, message, field, \
PB_DATAOFFSET_ ## placement(message, union_name.field, prevfield), \
PB_LTYPE_MAP_ ## type, ptr)
#define PB_ANONYMOUS_ONEOF_STATIC(u, tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_STATIC | PB_HTYPE_ONEOF | ltype, \
fd, pb_delta(st, which_ ## u, m), \
pb_membersize(st, m), 0, ptr}
#define PB_ANONYMOUS_ONEOF_POINTER(u, tag, st, m, fd, ltype, ptr) \
{tag, PB_ATYPE_POINTER | PB_HTYPE_ONEOF | ltype, \
fd, pb_delta(st, which_ ## u, m), \
pb_membersize(st, m[0]), 0, ptr}
#define PB_ANONYMOUS_ONEOF_FIELD(union_name, tag, type, rules, allocation, placement, message, field, prevfield, ptr) \
PB_ANONYMOUS_ONEOF_ ## allocation(union_name, tag, message, field, \
PB_DATAOFFSET_ ## placement(message, field, prevfield), \
PB_LTYPE_MAP_ ## type, ptr)
/* These macros are used for giving out error messages.
* They are mostly a debugging aid; the main error information
* is the true/false return value from functions.
* Some code space can be saved by disabling the error
* messages if not used.
*
* PB_SET_ERROR() sets the error message if none has been set yet.
* msg must be a constant string literal.
* PB_GET_ERROR() always returns a pointer to a string.
* PB_RETURN_ERROR() sets the error and returns false from current
* function.
*/
#ifdef PB_NO_ERRMSG
#define PB_SET_ERROR(stream, msg) PB_UNUSED(stream)
#define PB_GET_ERROR(stream) "(errmsg disabled)"
#else
#define PB_SET_ERROR(stream, msg) (stream->errmsg = (stream)->errmsg ? (stream)->errmsg : (msg))
#define PB_GET_ERROR(stream) ((stream)->errmsg ? (stream)->errmsg : "(none)")
#endif
#define PB_RETURN_ERROR(stream, msg) return PB_SET_ERROR(stream, msg), false
#endif

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/* pb_common.c: Common support functions for pb_encode.c and pb_decode.c.
*
* 2014 Petteri Aimonen <jpa@kapsi.fi>
*/
#include "pb_common.h"
bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct)
{
iter->start = fields;
iter->pos = fields;
iter->required_field_index = 0;
iter->dest_struct = dest_struct;
iter->pData = (char*)dest_struct + iter->pos->data_offset;
iter->pSize = (char*)iter->pData + iter->pos->size_offset;
return (iter->pos->tag != 0);
}
bool pb_field_iter_next(pb_field_iter_t *iter)
{
const pb_field_t *prev_field = iter->pos;
if (prev_field->tag == 0)
{
/* Handle empty message types, where the first field is already the terminator.
* In other cases, the iter->pos never points to the terminator. */
return false;
}
iter->pos++;
if (iter->pos->tag == 0)
{
/* Wrapped back to beginning, reinitialize */
(void)pb_field_iter_begin(iter, iter->start, iter->dest_struct);
return false;
}
else
{
/* Increment the pointers based on previous field size */
size_t prev_size = prev_field->data_size;
if (PB_HTYPE(prev_field->type) == PB_HTYPE_ONEOF &&
PB_HTYPE(iter->pos->type) == PB_HTYPE_ONEOF)
{
/* Don't advance pointers inside unions */
prev_size = 0;
iter->pData = (char*)iter->pData - prev_field->data_offset;
}
else if (PB_ATYPE(prev_field->type) == PB_ATYPE_STATIC &&
PB_HTYPE(prev_field->type) == PB_HTYPE_REPEATED)
{
/* In static arrays, the data_size tells the size of a single entry and
* array_size is the number of entries */
prev_size *= prev_field->array_size;
}
else if (PB_ATYPE(prev_field->type) == PB_ATYPE_POINTER)
{
/* Pointer fields always have a constant size in the main structure.
* The data_size only applies to the dynamically allocated area. */
prev_size = sizeof(void*);
}
if (PB_HTYPE(prev_field->type) == PB_HTYPE_REQUIRED)
{
/* Count the required fields, in order to check their presence in the
* decoder. */
iter->required_field_index++;
}
iter->pData = (char*)iter->pData + prev_size + iter->pos->data_offset;
iter->pSize = (char*)iter->pData + iter->pos->size_offset;
return true;
}
}
bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag)
{
const pb_field_t *start = iter->pos;
do {
if (iter->pos->tag == tag &&
PB_LTYPE(iter->pos->type) != PB_LTYPE_EXTENSION)
{
/* Found the wanted field */
return true;
}
(void)pb_field_iter_next(iter);
} while (iter->pos != start);
/* Searched all the way back to start, and found nothing. */
return false;
}

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/* pb_common.h: Common support functions for pb_encode.c and pb_decode.c.
* These functions are rarely needed by applications directly.
*/
#ifndef PB_COMMON_H_INCLUDED
#define PB_COMMON_H_INCLUDED
#include "pb.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Iterator for pb_field_t list */
struct pb_field_iter_s {
const pb_field_t *start; /* Start of the pb_field_t array */
const pb_field_t *pos; /* Current position of the iterator */
unsigned required_field_index; /* Zero-based index that counts only the required fields */
void *dest_struct; /* Pointer to start of the structure */
void *pData; /* Pointer to current field value */
void *pSize; /* Pointer to count/has field */
};
typedef struct pb_field_iter_s pb_field_iter_t;
/* Initialize the field iterator structure to beginning.
* Returns false if the message type is empty. */
bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct);
/* Advance the iterator to the next field.
* Returns false when the iterator wraps back to the first field. */
bool pb_field_iter_next(pb_field_iter_t *iter);
/* Advance the iterator until it points at a field with the given tag.
* Returns false if no such field exists. */
bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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/* pb_decode.h: Functions to decode protocol buffers. Depends on pb_decode.c.
* The main function is pb_decode. You also need an input stream, and the
* field descriptions created by nanopb_generator.py.
*/
#ifndef PB_DECODE_H_INCLUDED
#define PB_DECODE_H_INCLUDED
#include "pb.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Structure for defining custom input streams. You will need to provide
* a callback function to read the bytes from your storage, which can be
* for example a file or a network socket.
*
* The callback must conform to these rules:
*
* 1) Return false on IO errors. This will cause decoding to abort.
* 2) You can use state to store your own data (e.g. buffer pointer),
* and rely on pb_read to verify that no-body reads past bytes_left.
* 3) Your callback may be used with substreams, in which case bytes_left
* is different than from the main stream. Don't use bytes_left to compute
* any pointers.
*/
struct pb_istream_s
{
#ifdef PB_BUFFER_ONLY
/* Callback pointer is not used in buffer-only configuration.
* Having an int pointer here allows binary compatibility but
* gives an error if someone tries to assign callback function.
*/
int *callback;
#else
bool (*callback)(pb_istream_t *stream, pb_byte_t *buf, size_t count);
#endif
void *state; /* Free field for use by callback implementation */
size_t bytes_left;
/* Informative callback for field decoding */
void (* decoding_callback)(pb_istream_t *strem, uint32_t tag, pb_wire_type_t wire_type, void *iter);
#ifndef PB_NO_ERRMSG
const char *errmsg;
#endif
};
/***************************
* Main decoding functions *
***************************/
/* Decode a single protocol buffers message from input stream into a C structure.
* Returns true on success, false on any failure.
* The actual struct pointed to by dest must match the description in fields.
* Callback fields of the destination structure must be initialized by caller.
* All other fields will be initialized by this function.
*
* Example usage:
* MyMessage msg = {};
* uint8_t buffer[64];
* pb_istream_t stream;
*
* // ... read some data into buffer ...
*
* stream = pb_istream_from_buffer(buffer, count);
* pb_decode(&stream, MyMessage_fields, &msg);
*/
bool pb_decode(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
/* Same as pb_decode, except does not initialize the destination structure
* to default values. This is slightly faster if you need no default values
* and just do memset(struct, 0, sizeof(struct)) yourself.
*
* This can also be used for 'merging' two messages, i.e. update only the
* fields that exist in the new message.
*
* Note: If this function returns with an error, it will not release any
* dynamically allocated fields. You will need to call pb_release() yourself.
*/
bool pb_decode_noinit(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
/* Same as pb_decode, except expects the stream to start with the message size
* encoded as varint. Corresponds to parseDelimitedFrom() in Google's
* protobuf API.
*/
bool pb_decode_delimited(pb_istream_t *stream, const pb_field_t fields[], void *dest_struct);
#ifdef PB_ENABLE_MALLOC
/* Release any allocated pointer fields. If you use dynamic allocation, you should
* call this for any successfully decoded message when you are done with it. If
* pb_decode() returns with an error, the message is already released.
*/
void pb_release(const pb_field_t fields[], void *dest_struct);
#endif
/**************************************
* Functions for manipulating streams *
**************************************/
/* Create an input stream for reading from a memory buffer.
*
* Alternatively, you can use a custom stream that reads directly from e.g.
* a file or a network socket.
*/
pb_istream_t pb_istream_from_buffer(const pb_byte_t *buf, size_t bufsize);
/* Function to read from a pb_istream_t. You can use this if you need to
* read some custom header data, or to read data in field callbacks.
*/
bool pb_read(pb_istream_t *stream, pb_byte_t *buf, size_t count);
/************************************************
* Helper functions for writing field callbacks *
************************************************/
/* Decode the tag for the next field in the stream. Gives the wire type and
* field tag. At end of the message, returns false and sets eof to true. */
bool pb_decode_tag(pb_istream_t *stream, pb_wire_type_t *wire_type, uint32_t *tag, bool *eof);
/* Skip the field payload data, given the wire type. */
bool pb_skip_field(pb_istream_t *stream, pb_wire_type_t wire_type);
/* Decode an integer in the varint format. This works for bool, enum, int32,
* int64, uint32 and uint64 field types. */
bool pb_decode_varint(pb_istream_t *stream, uint64_t *dest);
/* Decode an integer in the zig-zagged svarint format. This works for sint32
* and sint64. */
bool pb_decode_svarint(pb_istream_t *stream, int64_t *dest);
/* Decode a fixed32, sfixed32 or float value. You need to pass a pointer to
* a 4-byte wide C variable. */
bool pb_decode_fixed32(pb_istream_t *stream, void *dest);
/* Decode a fixed64, sfixed64 or double value. You need to pass a pointer to
* a 8-byte wide C variable. */
bool pb_decode_fixed64(pb_istream_t *stream, void *dest);
/* Make a limited-length substream for reading a PB_WT_STRING field. */
bool pb_make_string_substream(pb_istream_t *stream, pb_istream_t *substream);
void pb_close_string_substream(pb_istream_t *stream, pb_istream_t *substream);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif

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@@ -0,0 +1,689 @@
/* pb_encode.c -- encode a protobuf using minimal resources
*
* 2011 Petteri Aimonen <jpa@kapsi.fi>
*/
#include "pb.h"
#include "pb_encode.h"
#include "pb_common.h"
/* Use the GCC warn_unused_result attribute to check that all return values
* are propagated correctly. On other compilers and gcc before 3.4.0 just
* ignore the annotation.
*/
#if !defined(__GNUC__) || ( __GNUC__ < 3) || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
#define checkreturn
#else
#define checkreturn __attribute__((warn_unused_result))
#endif
/**************************************
* Declarations internal to this file *
**************************************/
typedef bool (*pb_encoder_t)(pb_ostream_t *stream, const pb_field_t *field, const void *src) checkreturn;
static bool checkreturn buf_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count);
static bool checkreturn encode_array(pb_ostream_t *stream, const pb_field_t *field, const void *pData, size_t count, pb_encoder_t func);
static bool checkreturn encode_field(pb_ostream_t *stream, const pb_field_t *field, const void *pData);
static bool checkreturn default_extension_encoder(pb_ostream_t *stream, const pb_extension_t *extension);
static bool checkreturn encode_extension_field(pb_ostream_t *stream, const pb_field_t *field, const void *pData);
static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
static bool checkreturn pb_enc_uvarint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
static bool checkreturn pb_enc_svarint(pb_ostream_t *stream, const pb_field_t *field, const void *src);
static bool checkreturn pb_enc_fixed32(pb_ostream_t *stream, const pb_field_t *field, const void *src);
static bool checkreturn pb_enc_fixed64(pb_ostream_t *stream, const pb_field_t *field, const void *src);
static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src);
static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_t *field, const void *src);
static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_t *field, const void *src);
/* --- Function pointers to field encoders ---
* Order in the array must match pb_action_t LTYPE numbering.
*/
static const pb_encoder_t PB_ENCODERS[PB_LTYPES_COUNT] = {
&pb_enc_varint,
&pb_enc_uvarint,
&pb_enc_svarint,
&pb_enc_fixed32,
&pb_enc_fixed64,
&pb_enc_bytes,
&pb_enc_string,
&pb_enc_submessage,
NULL /* extensions */
};
/*******************************
* pb_ostream_t implementation *
*******************************/
static bool checkreturn buf_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count)
{
pb_byte_t *dest = (pb_byte_t*)stream->state;
stream->state = dest + count;
while (count--)
*dest++ = *buf++;
return true;
}
pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize)
{
pb_ostream_t stream;
#ifdef PB_BUFFER_ONLY
stream.callback = (void*)1; /* Just a marker value */
#else
stream.callback = &buf_write;
#endif
stream.state = buf;
stream.max_size = bufsize;
stream.bytes_written = 0;
#ifndef PB_NO_ERRMSG
stream.errmsg = NULL;
#endif
return stream;
}
bool checkreturn pb_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count)
{
if (stream->callback != NULL)
{
if (stream->bytes_written + count > stream->max_size)
PB_RETURN_ERROR(stream, "stream full");
#ifdef PB_BUFFER_ONLY
if (!buf_write(stream, buf, count))
PB_RETURN_ERROR(stream, "io error");
#else
if (!stream->callback(stream, buf, count))
PB_RETURN_ERROR(stream, "io error");
#endif
}
stream->bytes_written += count;
return true;
}
/*************************
* Encode a single field *
*************************/
/* Encode a static array. Handles the size calculations and possible packing. */
static bool checkreturn encode_array(pb_ostream_t *stream, const pb_field_t *field,
const void *pData, size_t count, pb_encoder_t func)
{
size_t i;
const void *p;
size_t size;
if (count == 0)
return true;
if (PB_ATYPE(field->type) != PB_ATYPE_POINTER && count > field->array_size)
PB_RETURN_ERROR(stream, "array max size exceeded");
/* We always pack arrays if the datatype allows it. */
if (PB_LTYPE(field->type) <= PB_LTYPE_LAST_PACKABLE)
{
if (!pb_encode_tag(stream, PB_WT_STRING, field->tag))
return false;
/* Determine the total size of packed array. */
if (PB_LTYPE(field->type) == PB_LTYPE_FIXED32)
{
size = 4 * count;
}
else if (PB_LTYPE(field->type) == PB_LTYPE_FIXED64)
{
size = 8 * count;
}
else
{
pb_ostream_t sizestream = PB_OSTREAM_SIZING;
p = pData;
for (i = 0; i < count; i++)
{
if (!func(&sizestream, field, p))
return false;
p = (const char*)p + field->data_size;
}
size = sizestream.bytes_written;
}
if (!pb_encode_varint(stream, (uint64_t)size))
return false;
if (stream->callback == NULL)
return pb_write(stream, NULL, size); /* Just sizing.. */
/* Write the data */
p = pData;
for (i = 0; i < count; i++)
{
if (!func(stream, field, p))
return false;
p = (const char*)p + field->data_size;
}
}
else
{
p = pData;
for (i = 0; i < count; i++)
{
if (!pb_encode_tag_for_field(stream, field))
return false;
/* Normally the data is stored directly in the array entries, but
* for pointer-type string and bytes fields, the array entries are
* actually pointers themselves also. So we have to dereference once
* more to get to the actual data. */
if (PB_ATYPE(field->type) == PB_ATYPE_POINTER &&
(PB_LTYPE(field->type) == PB_LTYPE_STRING ||
PB_LTYPE(field->type) == PB_LTYPE_BYTES))
{
if (!func(stream, field, *(const void* const*)p))
return false;
}
else
{
if (!func(stream, field, p))
return false;
}
p = (const char*)p + field->data_size;
}
}
return true;
}
/* Encode a field with static or pointer allocation, i.e. one whose data
* is available to the encoder directly. */
static bool checkreturn encode_basic_field(pb_ostream_t *stream,
const pb_field_t *field, const void *pData)
{
pb_encoder_t func;
const void *pSize;
bool implicit_has = true;
func = PB_ENCODERS[PB_LTYPE(field->type)];
if (field->size_offset)
pSize = (const char*)pData + field->size_offset;
else
pSize = &implicit_has;
if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
{
/* pData is a pointer to the field, which contains pointer to
* the data. If the 2nd pointer is NULL, it is interpreted as if
* the has_field was false.
*/
pData = *(const void* const*)pData;
implicit_has = (pData != NULL);
}
switch (PB_HTYPE(field->type))
{
case PB_HTYPE_REQUIRED:
if (!pData)
PB_RETURN_ERROR(stream, "missing required field");
if (!pb_encode_tag_for_field(stream, field))
return false;
if (!func(stream, field, pData))
return false;
break;
case PB_HTYPE_OPTIONAL:
if (*(const bool*)pSize)
{
if (!pb_encode_tag_for_field(stream, field))
return false;
if (!func(stream, field, pData))
return false;
}
break;
case PB_HTYPE_REPEATED:
if (!encode_array(stream, field, pData, *(const pb_size_t*)pSize, func))
return false;
break;
case PB_HTYPE_ONEOF:
if (*(const pb_size_t*)pSize == field->tag)
{
if (!pb_encode_tag_for_field(stream, field))
return false;
if (!func(stream, field, pData))
return false;
}
break;
default:
PB_RETURN_ERROR(stream, "invalid field type");
}
return true;
}
/* Encode a field with callback semantics. This means that a user function is
* called to provide and encode the actual data. */
static bool checkreturn encode_callback_field(pb_ostream_t *stream,
const pb_field_t *field, const void *pData)
{
const pb_callback_t *callback = (const pb_callback_t*)pData;
#ifdef PB_OLD_CALLBACK_STYLE
const void *arg = callback->arg;
#else
void * const *arg = &(callback->arg);
#endif
if (callback->funcs.encode != NULL)
{
if (!callback->funcs.encode(stream, field, arg))
PB_RETURN_ERROR(stream, "callback error");
}
return true;
}
/* Encode a single field of any callback or static type. */
static bool checkreturn encode_field(pb_ostream_t *stream,
const pb_field_t *field, const void *pData)
{
switch (PB_ATYPE(field->type))
{
case PB_ATYPE_STATIC:
case PB_ATYPE_POINTER:
return encode_basic_field(stream, field, pData);
case PB_ATYPE_CALLBACK:
return encode_callback_field(stream, field, pData);
default:
PB_RETURN_ERROR(stream, "invalid field type");
}
}
/* Default handler for extension fields. Expects to have a pb_field_t
* pointer in the extension->type->arg field. */
static bool checkreturn default_extension_encoder(pb_ostream_t *stream,
const pb_extension_t *extension)
{
const pb_field_t *field = (const pb_field_t*)extension->type->arg;
if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
{
/* For pointer extensions, the pointer is stored directly
* in the extension structure. This avoids having an extra
* indirection. */
return encode_field(stream, field, &extension->dest);
}
else
{
return encode_field(stream, field, extension->dest);
}
}
/* Walk through all the registered extensions and give them a chance
* to encode themselves. */
static bool checkreturn encode_extension_field(pb_ostream_t *stream,
const pb_field_t *field, const void *pData)
{
const pb_extension_t *extension = *(const pb_extension_t* const *)pData;
PB_UNUSED(field);
while (extension)
{
bool status;
if (extension->type->encode)
status = extension->type->encode(stream, extension);
else
status = default_extension_encoder(stream, extension);
if (!status)
return false;
extension = extension->next;
}
return true;
}
/*********************
* Encode all fields *
*********************/
static void *remove_const(const void *p)
{
/* Note: this casts away const, in order to use the common field iterator
* logic for both encoding and decoding. */
union {
void *p1;
const void *p2;
} t;
t.p2 = p;
return t.p1;
}
bool checkreturn pb_encode(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct)
{
pb_field_iter_t iter;
if (!pb_field_iter_begin(&iter, fields, remove_const(src_struct)))
return true; /* Empty message type */
do {
if (PB_LTYPE(iter.pos->type) == PB_LTYPE_EXTENSION)
{
/* Special case for the extension field placeholder */
if (!encode_extension_field(stream, iter.pos, iter.pData))
return false;
}
else
{
/* Regular field */
if (!encode_field(stream, iter.pos, iter.pData))
return false;
}
} while (pb_field_iter_next(&iter));
return true;
}
bool pb_encode_delimited(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct)
{
return pb_encode_submessage(stream, fields, src_struct);
}
bool pb_get_encoded_size(size_t *size, const pb_field_t fields[], const void *src_struct)
{
pb_ostream_t stream = PB_OSTREAM_SIZING;
if (!pb_encode(&stream, fields, src_struct))
return false;
*size = stream.bytes_written;
return true;
}
/********************
* Helper functions *
********************/
bool checkreturn pb_encode_varint(pb_ostream_t *stream, uint64_t value)
{
pb_byte_t buffer[10];
size_t i = 0;
if (value <= 0x7F)
{
pb_byte_t v = (pb_byte_t)value;
return pb_write(stream, &v, 1);
}
while (value)
{
buffer[i] = (pb_byte_t)((value & 0x7F) | 0x80);
value >>= 7;
i++;
}
buffer[i-1] &= 0x7F; /* Unset top bit on last byte */
return pb_write(stream, buffer, i);
}
bool checkreturn pb_encode_svarint(pb_ostream_t *stream, int64_t value)
{
uint64_t zigzagged;
if (value < 0)
zigzagged = ~((uint64_t)value << 1);
else
zigzagged = (uint64_t)value << 1;
return pb_encode_varint(stream, zigzagged);
}
bool checkreturn pb_encode_fixed32(pb_ostream_t *stream, const void *value)
{
uint32_t val = *(const uint32_t*)value;
pb_byte_t bytes[4];
bytes[0] = (pb_byte_t)(val & 0xFF);
bytes[1] = (pb_byte_t)((val >> 8) & 0xFF);
bytes[2] = (pb_byte_t)((val >> 16) & 0xFF);
bytes[3] = (pb_byte_t)((val >> 24) & 0xFF);
return pb_write(stream, bytes, 4);
}
bool checkreturn pb_encode_fixed64(pb_ostream_t *stream, const void *value)
{
uint64_t val = *(const uint64_t*)value;
pb_byte_t bytes[8];
bytes[0] = (pb_byte_t)(val & 0xFF);
bytes[1] = (pb_byte_t)((val >> 8) & 0xFF);
bytes[2] = (pb_byte_t)((val >> 16) & 0xFF);
bytes[3] = (pb_byte_t)((val >> 24) & 0xFF);
bytes[4] = (pb_byte_t)((val >> 32) & 0xFF);
bytes[5] = (pb_byte_t)((val >> 40) & 0xFF);
bytes[6] = (pb_byte_t)((val >> 48) & 0xFF);
bytes[7] = (pb_byte_t)((val >> 56) & 0xFF);
return pb_write(stream, bytes, 8);
}
bool checkreturn pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number)
{
uint64_t tag = ((uint64_t)field_number << 3) | wiretype;
return pb_encode_varint(stream, tag);
}
bool checkreturn pb_encode_tag_for_field(pb_ostream_t *stream, const pb_field_t *field)
{
pb_wire_type_t wiretype;
switch (PB_LTYPE(field->type))
{
case PB_LTYPE_VARINT:
case PB_LTYPE_UVARINT:
case PB_LTYPE_SVARINT:
wiretype = PB_WT_VARINT;
break;
case PB_LTYPE_FIXED32:
wiretype = PB_WT_32BIT;
break;
case PB_LTYPE_FIXED64:
wiretype = PB_WT_64BIT;
break;
case PB_LTYPE_BYTES:
case PB_LTYPE_STRING:
case PB_LTYPE_SUBMESSAGE:
wiretype = PB_WT_STRING;
break;
default:
PB_RETURN_ERROR(stream, "invalid field type");
}
return pb_encode_tag(stream, wiretype, field->tag);
}
bool checkreturn pb_encode_string(pb_ostream_t *stream, const pb_byte_t *buffer, size_t size)
{
if (!pb_encode_varint(stream, (uint64_t)size))
return false;
return pb_write(stream, buffer, size);
}
bool checkreturn pb_encode_submessage(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct)
{
/* First calculate the message size using a non-writing substream. */
pb_ostream_t substream = PB_OSTREAM_SIZING;
size_t size;
bool status;
if (!pb_encode(&substream, fields, src_struct))
{
#ifndef PB_NO_ERRMSG
stream->errmsg = substream.errmsg;
#endif
return false;
}
size = substream.bytes_written;
if (!pb_encode_varint(stream, (uint64_t)size))
return false;
if (stream->callback == NULL)
return pb_write(stream, NULL, size); /* Just sizing */
if (stream->bytes_written + size > stream->max_size)
PB_RETURN_ERROR(stream, "stream full");
/* Use a substream to verify that a callback doesn't write more than
* what it did the first time. */
substream.callback = stream->callback;
substream.state = stream->state;
substream.max_size = size;
substream.bytes_written = 0;
#ifndef PB_NO_ERRMSG
substream.errmsg = NULL;
#endif
status = pb_encode(&substream, fields, src_struct);
stream->bytes_written += substream.bytes_written;
stream->state = substream.state;
#ifndef PB_NO_ERRMSG
stream->errmsg = substream.errmsg;
#endif
if (substream.bytes_written != size)
PB_RETURN_ERROR(stream, "submsg size changed");
return status;
}
/* Field encoders */
static bool checkreturn pb_enc_varint(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
int64_t value = 0;
if (field->data_size == sizeof(int_least8_t))
value = *(const int_least8_t*)src;
else if (field->data_size == sizeof(int_least16_t))
value = *(const int_least16_t*)src;
else if (field->data_size == sizeof(int32_t))
value = *(const int32_t*)src;
else if (field->data_size == sizeof(int64_t))
value = *(const int64_t*)src;
else
PB_RETURN_ERROR(stream, "invalid data_size");
return pb_encode_varint(stream, (uint64_t)value);
}
static bool checkreturn pb_enc_uvarint(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
uint64_t value = 0;
if (field->data_size == sizeof(uint_least8_t))
value = *(const uint_least8_t*)src;
else if (field->data_size == sizeof(uint_least16_t))
value = *(const uint_least16_t*)src;
else if (field->data_size == sizeof(uint32_t))
value = *(const uint32_t*)src;
else if (field->data_size == sizeof(uint64_t))
value = *(const uint64_t*)src;
else
PB_RETURN_ERROR(stream, "invalid data_size");
return pb_encode_varint(stream, value);
}
static bool checkreturn pb_enc_svarint(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
int64_t value = 0;
if (field->data_size == sizeof(int_least8_t))
value = *(const int_least8_t*)src;
else if (field->data_size == sizeof(int_least16_t))
value = *(const int_least16_t*)src;
else if (field->data_size == sizeof(int32_t))
value = *(const int32_t*)src;
else if (field->data_size == sizeof(int64_t))
value = *(const int64_t*)src;
else
PB_RETURN_ERROR(stream, "invalid data_size");
return pb_encode_svarint(stream, value);
}
static bool checkreturn pb_enc_fixed64(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
PB_UNUSED(field);
return pb_encode_fixed64(stream, src);
}
static bool checkreturn pb_enc_fixed32(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
PB_UNUSED(field);
return pb_encode_fixed32(stream, src);
}
static bool checkreturn pb_enc_bytes(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
const pb_bytes_array_t *bytes = (const pb_bytes_array_t*)src;
if (src == NULL)
{
/* Threat null pointer as an empty bytes field */
return pb_encode_string(stream, NULL, 0);
}
if (PB_ATYPE(field->type) == PB_ATYPE_STATIC &&
PB_BYTES_ARRAY_T_ALLOCSIZE(bytes->size) > field->data_size)
{
PB_RETURN_ERROR(stream, "bytes size exceeded");
}
return pb_encode_string(stream, bytes->bytes, bytes->size);
}
static bool checkreturn pb_enc_string(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
size_t size = 0;
size_t max_size = field->data_size;
const char *p = (const char*)src;
if (PB_ATYPE(field->type) == PB_ATYPE_POINTER)
max_size = (size_t)-1;
if (src == NULL)
{
size = 0; /* Threat null pointer as an empty string */
}
else
{
/* strnlen() is not always available, so just use a loop */
while (size < max_size && *p != '\0')
{
size++;
p++;
}
}
return pb_encode_string(stream, (const pb_byte_t*)src, size);
}
static bool checkreturn pb_enc_submessage(pb_ostream_t *stream, const pb_field_t *field, const void *src)
{
if (field->ptr == NULL)
PB_RETURN_ERROR(stream, "invalid field descriptor");
return pb_encode_submessage(stream, (const pb_field_t*)field->ptr, src);
}

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@@ -0,0 +1,154 @@
/* pb_encode.h: Functions to encode protocol buffers. Depends on pb_encode.c.
* The main function is pb_encode. You also need an output stream, and the
* field descriptions created by nanopb_generator.py.
*/
#ifndef PB_ENCODE_H_INCLUDED
#define PB_ENCODE_H_INCLUDED
#include "pb.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Structure for defining custom output streams. You will need to provide
* a callback function to write the bytes to your storage, which can be
* for example a file or a network socket.
*
* The callback must conform to these rules:
*
* 1) Return false on IO errors. This will cause encoding to abort.
* 2) You can use state to store your own data (e.g. buffer pointer).
* 3) pb_write will update bytes_written after your callback runs.
* 4) Substreams will modify max_size and bytes_written. Don't use them
* to calculate any pointers.
*/
struct pb_ostream_s
{
#ifdef PB_BUFFER_ONLY
/* Callback pointer is not used in buffer-only configuration.
* Having an int pointer here allows binary compatibility but
* gives an error if someone tries to assign callback function.
* Also, NULL pointer marks a 'sizing stream' that does not
* write anything.
*/
int *callback;
#else
bool (*callback)(pb_ostream_t *stream, const pb_byte_t *buf, size_t count);
#endif
void *state; /* Free field for use by callback implementation. */
size_t max_size; /* Limit number of output bytes written (or use SIZE_MAX). */
size_t bytes_written; /* Number of bytes written so far. */
#ifndef PB_NO_ERRMSG
const char *errmsg;
#endif
};
/***************************
* Main encoding functions *
***************************/
/* Encode a single protocol buffers message from C structure into a stream.
* Returns true on success, false on any failure.
* The actual struct pointed to by src_struct must match the description in fields.
* All required fields in the struct are assumed to have been filled in.
*
* Example usage:
* MyMessage msg = {};
* uint8_t buffer[64];
* pb_ostream_t stream;
*
* msg.field1 = 42;
* stream = pb_ostream_from_buffer(buffer, sizeof(buffer));
* pb_encode(&stream, MyMessage_fields, &msg);
*/
bool pb_encode(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
/* Same as pb_encode, but prepends the length of the message as a varint.
* Corresponds to writeDelimitedTo() in Google's protobuf API.
*/
bool pb_encode_delimited(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
/* Encode the message to get the size of the encoded data, but do not store
* the data. */
bool pb_get_encoded_size(size_t *size, const pb_field_t fields[], const void *src_struct);
/**************************************
* Functions for manipulating streams *
**************************************/
/* Create an output stream for writing into a memory buffer.
* The number of bytes written can be found in stream.bytes_written after
* encoding the message.
*
* Alternatively, you can use a custom stream that writes directly to e.g.
* a file or a network socket.
*/
pb_ostream_t pb_ostream_from_buffer(pb_byte_t *buf, size_t bufsize);
/* Pseudo-stream for measuring the size of a message without actually storing
* the encoded data.
*
* Example usage:
* MyMessage msg = {};
* pb_ostream_t stream = PB_OSTREAM_SIZING;
* pb_encode(&stream, MyMessage_fields, &msg);
* printf("Message size is %d\n", stream.bytes_written);
*/
#ifndef PB_NO_ERRMSG
#define PB_OSTREAM_SIZING {0,0,0,0,0}
#else
#define PB_OSTREAM_SIZING {0,0,0,0}
#endif
/* Function to write into a pb_ostream_t stream. You can use this if you need
* to append or prepend some custom headers to the message.
*/
bool pb_write(pb_ostream_t *stream, const pb_byte_t *buf, size_t count);
/************************************************
* Helper functions for writing field callbacks *
************************************************/
/* Encode field header based on type and field number defined in the field
* structure. Call this from the callback before writing out field contents. */
bool pb_encode_tag_for_field(pb_ostream_t *stream, const pb_field_t *field);
/* Encode field header by manually specifing wire type. You need to use this
* if you want to write out packed arrays from a callback field. */
bool pb_encode_tag(pb_ostream_t *stream, pb_wire_type_t wiretype, uint32_t field_number);
/* Encode an integer in the varint format.
* This works for bool, enum, int32, int64, uint32 and uint64 field types. */
bool pb_encode_varint(pb_ostream_t *stream, uint64_t value);
/* Encode an integer in the zig-zagged svarint format.
* This works for sint32 and sint64. */
bool pb_encode_svarint(pb_ostream_t *stream, int64_t value);
/* Encode a string or bytes type field. For strings, pass strlen(s) as size. */
bool pb_encode_string(pb_ostream_t *stream, const pb_byte_t *buffer, size_t size);
/* Encode a fixed32, sfixed32 or float value.
* You need to pass a pointer to a 4-byte wide C variable. */
bool pb_encode_fixed32(pb_ostream_t *stream, const void *value);
/* Encode a fixed64, sfixed64 or double value.
* You need to pass a pointer to a 8-byte wide C variable. */
bool pb_encode_fixed64(pb_ostream_t *stream, const void *value);
/* Encode a submessage field.
* You need to pass the pb_field_t array and pointer to struct, just like
* with pb_encode(). This internally encodes the submessage twice, first to
* calculate message size and then to actually write it out.
*/
bool pb_encode_submessage(pb_ostream_t *stream, const pb_field_t fields[], const void *src_struct);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif