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256 lines
8.9 KiB
C
256 lines
8.9 KiB
C
/**
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******************************************************************************
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* @file update_for_OTA.c
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* @author William Xu
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* @version V2.0.0
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* @date 05-Oct-2014
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* @brief This file provides functions to overwrite the target flash contents
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* using according the stored in OTA temporary storage
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******************************************************************************
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*
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* The MIT License
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* Copyright (c) 2014 MXCHIP Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************************
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*/
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#include "mico.h"
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#include "platform.h"
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#include "platform_config.h"
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#include "CheckSumUtils.h"
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typedef int Log_Status;
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#define Log_NotExist (1)
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#define Log_NeedUpdate (2)
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#define Log_UpdateTagNotExist (3)
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#define Log_contentTypeNotExist (4)
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#define Log_dataLengthOverFlow (5)
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#define Log_StartAddressERROR (6)
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#define Log_UnkonwnERROR (7)
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#define Log_CRCERROR (8)
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#define SizePerRW 4096 /* Bootloader need 2xSizePerRW RAM heap size to operate,
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but it can boost the setup. */
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static uint8_t data[SizePerRW];
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static uint8_t newData[SizePerRW];
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uint8_t paraSaveInRam[16*1024];
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#define update_log(M, ...) custom_log("UPDATE", M, ##__VA_ARGS__)
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#define update_log_trace() custom_log_trace("UPDATE")
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static OSStatus checkcrc(uint16_t crc_in, int partition_type, int total_len)
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{
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uint16_t crc = 0;
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mico_logic_partition_t* part;
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int len;
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OSStatus err = kNoErr;
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uint32_t update_data_offset = 0x0;
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CRC16_Context contex;
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CRC16_Init( &contex );
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if (crc_in == 0xFFFF)
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goto exit;
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part = MicoFlashGetInfo((mico_partition_t)partition_type);
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if (part == NULL)
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goto exit;
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while(total_len > 0){
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if( SizePerRW < total_len ){
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len = SizePerRW;
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} else {
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len = total_len;
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}
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err = MicoFlashRead( MICO_PARTITION_OTA_TEMP, &update_data_offset, data , len);
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require_noerr(err, exit);
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total_len -= len;
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CRC16_Update( &contex, data, len );
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}
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CRC16_Final( &contex, &crc );
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if (crc == crc_in)
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err = kNoErr;
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exit:
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update_log("CRC check return %d, got crc %x, calcuated crc %x", err, crc_in, crc);
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return err;
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}
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Log_Status updateLogCheck( boot_table_t *updateLog, mico_partition_t *dest_partition_type )
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{
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uint32_t i;
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for ( i = 0; i < sizeof(boot_table_t); i++ )
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{
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if ( *((uint8_t *) updateLog + i) != 0xff )
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break;
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}
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if ( i == sizeof(boot_table_t) )
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return Log_NotExist;
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if ( updateLog->upgrade_type != 'U' )
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return Log_UpdateTagNotExist;
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if ( updateLog->start_address
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!= MicoFlashGetInfo( MICO_PARTITION_OTA_TEMP )->partition_start_addr )
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return Log_StartAddressERROR;
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if ( updateLog->type == 'B' )
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*dest_partition_type = MICO_PARTITION_BOOTLOADER;
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else if ( updateLog->type == 'A' )
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*dest_partition_type = MICO_PARTITION_APPLICATION;
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else if ( updateLog->type == 'D' )
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*dest_partition_type = MICO_PARTITION_RF_FIRMWARE;
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else
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return Log_contentTypeNotExist;
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if ( updateLog->length > MicoFlashGetInfo( *dest_partition_type )->partition_length )
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return Log_dataLengthOverFlow;
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if ( checkcrc( updateLog->crc, *dest_partition_type, updateLog->length ) != kNoErr )
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return Log_CRCERROR;
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return Log_NeedUpdate;
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}
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OSStatus update(void)
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{
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boot_table_t updateLog;
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uint32_t i, j, size;
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uint32_t update_data_offset = 0x0;
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uint32_t dest_offset;
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uint32_t boot_table_offset = 0x0;
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uint32_t para_offset = 0x0;
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uint32_t copyLength;
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//uint8_t *paraSaveInRam = NULL;
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mico_logic_partition_t *ota_partition_info, *dest_partition_info, *para_partition_info;
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mico_partition_t dest_partition;
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OSStatus err = kNoErr;
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ota_partition_info = MicoFlashGetInfo(MICO_PARTITION_OTA_TEMP);
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require_action( ota_partition_info->partition_owner != MICO_FLASH_NONE, exit, err = kUnsupportedErr );
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para_partition_info = MicoFlashGetInfo(MICO_PARTITION_PARAMETER_1);
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require_action( para_partition_info->partition_owner != MICO_FLASH_NONE, exit, err = kUnsupportedErr );
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memset(data, 0xFF, SizePerRW);
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memset(newData, 0xFF, SizePerRW);
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//paraSaveInRam = malloc( para_partition_info->partition_length );
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//require_action( paraSaveInRam, exit, err = kNoMemoryErr );
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memset(paraSaveInRam, 0xFF, para_partition_info->partition_length);
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err = MicoFlashRead( MICO_PARTITION_PARAMETER_1, &boot_table_offset, (uint8_t *)&updateLog, sizeof(boot_table_t));
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require_noerr(err, exit);
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/*Not a correct record*/
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if(updateLogCheck( &updateLog, &dest_partition) != Log_NeedUpdate){
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size = ( ota_partition_info->partition_length )/SizePerRW;
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for(i = 0; i <= size; i++){
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if( i==size ){
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err = MicoFlashRead( MICO_PARTITION_OTA_TEMP , &update_data_offset, data , ( ota_partition_info->partition_length )%SizePerRW );
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require_noerr(err, exit);
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}
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else{
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err = MicoFlashRead( MICO_PARTITION_OTA_TEMP, &update_data_offset, data , SizePerRW);
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require_noerr(err, exit);
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}
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for(j=0; j<SizePerRW; j++){
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if(data[j] != 0xFF){
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update_log("Update data need to be erased");
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err = MicoFlashDisableSecurity( MICO_PARTITION_OTA_TEMP, 0x0, ota_partition_info->partition_length );
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require_noerr(err, exit);
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err = MicoFlashErase( MICO_PARTITION_OTA_TEMP, 0x0, ota_partition_info->partition_length );
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require_noerr(err, exit);
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goto exit;
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}
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}
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}
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goto exit;
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}
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dest_partition_info = MicoFlashGetInfo( dest_partition );
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require_action( dest_partition_info->partition_owner != MICO_FLASH_NONE, exit, err = kUnsupportedErr );
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update_log("Write OTA data to partition: %s, length %ld",
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dest_partition_info->partition_description, updateLog.length);
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dest_offset = 0x0;
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update_data_offset = 0x0;
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err = MicoFlashDisableSecurity( dest_partition, 0x0, dest_partition_info->partition_length );
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require_noerr(err, exit);
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err = MicoFlashErase( dest_partition, 0x0, dest_partition_info->partition_length );
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require_noerr(err, exit);
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size = (updateLog.length)/SizePerRW;
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for(i = 0; i <= size; i++){
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if( i == size ){
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if( (updateLog.length)%SizePerRW )
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copyLength = (updateLog.length)%SizePerRW;
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else
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break;
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}else{
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copyLength = SizePerRW;
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}
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err = MicoFlashRead( MICO_PARTITION_OTA_TEMP, &update_data_offset, data , copyLength);
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require_noerr(err, exit);
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err = MicoFlashWrite( dest_partition, &dest_offset, data, copyLength);
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require_noerr(err, exit);
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dest_offset -= copyLength;
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err = MicoFlashRead( dest_partition, &dest_offset, newData , copyLength);
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require_noerr(err, exit);
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err = memcmp(data, newData, copyLength);
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require_noerr_action(err, exit, err = kWriteErr);
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}
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update_log("Update start to clear data...");
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para_offset = 0x0;
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err = MicoFlashDisableSecurity( MICO_PARTITION_PARAMETER_1, 0x0, para_partition_info->partition_length );
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require_noerr(err, exit);
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err = MicoFlashRead( MICO_PARTITION_PARAMETER_1, ¶_offset, paraSaveInRam, para_partition_info->partition_length );
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require_noerr(err, exit);
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memset(paraSaveInRam, 0xff, sizeof(boot_table_t));
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err = MicoFlashErase( MICO_PARTITION_PARAMETER_1, 0x0, para_partition_info->partition_length );
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require_noerr(err, exit);
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para_offset = 0x0;
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err = MicoFlashWrite( MICO_PARTITION_PARAMETER_1, ¶_offset, paraSaveInRam, para_partition_info->partition_length );
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require_noerr(err, exit);
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err = MicoFlashDisableSecurity( MICO_PARTITION_OTA_TEMP, 0x0, ota_partition_info->partition_length );
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require_noerr(err, exit);
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err = MicoFlashErase( MICO_PARTITION_OTA_TEMP, 0x0, ota_partition_info->partition_length );
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require_noerr(err, exit);
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update_log("Update success");
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exit:
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if(err != kNoErr) update_log("Update exit with err = %d", err);
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return err;
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}
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