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https://github.com/oopuuu/zTC1.git
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修复mico-sdk错误
This commit is contained in:
nhkefus
@@ -1,211 +1,211 @@
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/**
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******************************************************************************
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* @file platform_i2c.c
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* @author William Xu
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* @version V1.0.0
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* @date 05-May-2014
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* @brief This file provide I2C driver functions.
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******************************************************************************
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* UNPUBLISHED PROPRIETARY SOURCE CODE
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* Copyright (c) 2016 MXCHIP Inc.
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*
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* The contents of this file may not be disclosed to third parties, copied or
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* duplicated in any form, in whole or in part, without the prior written
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* permission of MXCHIP Corporation.
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******************************************************************************
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*/
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#include "platform.h"
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#include "platform_peripheral.h"
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#include "platform_logging.h"
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/******************************************************
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* Constants
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******************************************************/
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/******************************************************
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* Enumerations
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******************************************************/
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/******************************************************
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* Type Definitions
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******************************************************/
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/******************************************************
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* Structures
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******************************************************/
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/******************************************************
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* Variables Definitions
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******************************************************/
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/******************************************************
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* Function Declarations
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******************************************************/
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/******************************************************
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* Function Definitions
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******************************************************/
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/**
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* Initialise I2C interface
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*
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* @param[in] i2c_interface : I2C interface
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* @param[in] config : I2C configuration
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init( const platform_i2c_t* i2c, const platform_i2c_config_t* config )
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{
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hal_i2c_config_t i2c_init;
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hal_gpio_init(HAL_GPIO_27);
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hal_gpio_init(HAL_GPIO_28);
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hal_pinmux_set_function(HAL_GPIO_27,HAL_GPIO_27_I2C1_CLK);
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hal_pinmux_set_function(HAL_GPIO_28,HAL_GPIO_28_I2C1_DATA);
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i2c_init.frequency = config->speed_mode == I2C_LOW_SPEED_MODE ? HAL_I2C_FREQUENCY_50K
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: config->speed_mode == I2C_STANDARD_SPEED_MODE ? HAL_I2C_FREQUENCY_100K : HAL_I2C_FREQUENCY_400K;
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hal_i2c_master_init(HAL_I2C_MASTER_0,&i2c_init);
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return kNoErr;
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}
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/**
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* Deinitialise I2C interface
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*
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* @param[in] i2c_interface : I2C interface
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_deinit( const platform_i2c_t* i2c, const platform_i2c_config_t* config )
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{
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hal_i2c_master_deinit(HAL_I2C_MASTER_0);
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hal_gpio_deinit(HAL_GPIO_27);
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hal_gpio_deinit(HAL_GPIO_28);
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return kNoErr;
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}
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/**
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* Probe I2C slave device
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*
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* @param[in] i2c_interface : I2C interface
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* @param[in] retries : number of retries
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*
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* @return @ref OSStatus
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*/
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bool platform_i2c_probe_device( const platform_i2c_t* i2c, const platform_i2c_config_t* config, int retries )
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{
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uint8_t dummy_byte = 0xAA;
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while(retries--){
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if(hal_i2c_master_send_polling(HAL_I2C_MASTER_0,config->address,&dummy_byte,1) == HAL_I2C_STATUS_OK){
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return true;
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}
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}
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return false;
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}
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/**
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* Initialise I2C transmit message
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*
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* @param[in,out] message : I2C message
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* @param[in] tx_buffer : transmit buffer
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* @param[in] tx_buffer_length : transmit buffer length is bytes
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* @param[in] retries : number of transmission retries
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init_tx_message( platform_i2c_message_t* message, const void* tx_buffer, uint16_t tx_buffer_length, uint16_t retries )
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{
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memset(message, 0x00, sizeof(platform_i2c_message_t));
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message->tx_buffer = tx_buffer;
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message->retries = retries;
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message->tx_length = tx_buffer_length;
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return kNoErr;
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}
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/**
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* Initialise I2C receive message
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*
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* @param[in,out] message : I2C message
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* @param[in] rx_buffer : receive buffer
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* @param[in] rx_buffer_length : receive buffer length is bytes
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* @param[in] retries : number of transmission retries
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init_rx_message( platform_i2c_message_t* message, void* rx_buffer, uint16_t rx_buffer_length, uint16_t retries )
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{
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memset(message, 0x00, sizeof(platform_i2c_message_t));
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message->rx_buffer = rx_buffer;
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message->retries = retries;
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message->rx_length = rx_buffer_length;
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return kNoErr;
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}
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/**
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* Initialise I2C combined message
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*
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* @param[in,out] message : I2C message
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* @param[in] tx_buffer : transmit buffer
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* @param[in] rx_buffer : receive buffer
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* @param[in] tx_buffer_length : transmit buffer length is bytes
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* @param[in] rx_buffer_length : receive buffer length is bytes
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* @param[in] retries : number of transmission retries
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init_combined_message( platform_i2c_message_t* message, const void* tx_buffer, void* rx_buffer, uint16_t tx_buffer_length, uint16_t rx_buffer_length, uint16_t retries )
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{
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memset(message, 0x00, sizeof(platform_i2c_message_t));
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message->rx_buffer = rx_buffer;
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message->tx_buffer = tx_buffer;
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message->retries = retries;
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message->tx_length = tx_buffer_length;
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message->rx_length = rx_buffer_length;
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return kNoErr;
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}
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/**
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* Transfer data via the I2C interface
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*
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* @param[in] i2c_interface : I2C interface
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* @param[in] messages : pointer to an array of messages to transceive
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* @param[in] number_of_messages : number of messages in the array
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_transfer( const platform_i2c_t* i2c, const platform_i2c_config_t* config, platform_i2c_message_t* messages, uint16_t number_of_messages )
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{
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for( uint8_t i=0; i<number_of_messages; i++ )
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{
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platform_i2c_message_t *message = &messages[i];
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if ( message->tx_buffer != NULL )
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{
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if(hal_i2c_master_send_polling(HAL_I2C_MASTER_0, config->address, messages->tx_buffer, messages->tx_length) != HAL_I2C_STATUS_OK)
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{
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return kTimeoutErr;
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}
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}
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if ( message->rx_buffer != NULL )
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{
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if(hal_i2c_master_receive_polling(HAL_I2C_MASTER_0, config->address, messages->rx_buffer, messages->rx_length) != HAL_I2C_STATUS_OK)
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{
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return kTimeoutErr;
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}
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}
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}
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return kNoErr;
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}
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/**
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******************************************************************************
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* @file platform_i2c.c
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* @author William Xu
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* @version V1.0.0
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* @date 05-May-2014
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* @brief This file provide I2C driver functions.
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******************************************************************************
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* UNPUBLISHED PROPRIETARY SOURCE CODE
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* Copyright (c) 2016 MXCHIP Inc.
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*
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* The contents of this file may not be disclosed to third parties, copied or
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* duplicated in any form, in whole or in part, without the prior written
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* permission of MXCHIP Corporation.
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******************************************************************************
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*/
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#include "platform.h"
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#include "platform_peripheral.h"
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#include "platform_logging.h"
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/******************************************************
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* Constants
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******************************************************/
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/******************************************************
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* Enumerations
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******************************************************/
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/******************************************************
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* Type Definitions
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******************************************************/
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/******************************************************
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* Structures
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******************************************************/
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/******************************************************
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* Variables Definitions
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******************************************************/
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/******************************************************
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* Function Declarations
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******************************************************/
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/******************************************************
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* Function Definitions
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******************************************************/
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/**
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* Initialise I2C interface
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*
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* @param[in] i2c_interface : I2C interface
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* @param[in] config : I2C configuration
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init( const platform_i2c_t* i2c, const platform_i2c_config_t* config )
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{
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hal_i2c_config_t i2c_init;
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hal_gpio_init(HAL_GPIO_27);
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hal_gpio_init(HAL_GPIO_28);
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hal_pinmux_set_function(HAL_GPIO_27,HAL_GPIO_27_I2C1_CLK);
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hal_pinmux_set_function(HAL_GPIO_28,HAL_GPIO_28_I2C1_DATA);
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i2c_init.frequency = config->speed_mode == I2C_LOW_SPEED_MODE ? HAL_I2C_FREQUENCY_50K
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: config->speed_mode == I2C_STANDARD_SPEED_MODE ? HAL_I2C_FREQUENCY_100K : HAL_I2C_FREQUENCY_400K;
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hal_i2c_master_init(HAL_I2C_MASTER_0,&i2c_init);
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return kNoErr;
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}
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/**
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* Deinitialise I2C interface
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*
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* @param[in] i2c_interface : I2C interface
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_deinit( const platform_i2c_t* i2c, const platform_i2c_config_t* config )
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{
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hal_i2c_master_deinit(HAL_I2C_MASTER_0);
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hal_gpio_deinit(HAL_GPIO_27);
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hal_gpio_deinit(HAL_GPIO_28);
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return kNoErr;
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}
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/**
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* Probe I2C slave device
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*
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* @param[in] i2c_interface : I2C interface
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* @param[in] retries : number of retries
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*
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* @return @ref OSStatus
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*/
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bool platform_i2c_probe_device( const platform_i2c_t* i2c, const platform_i2c_config_t* config, int retries )
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{
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uint8_t dummy_byte = 0xAA;
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while(retries--){
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if(hal_i2c_master_send_polling(HAL_I2C_MASTER_0,config->address,&dummy_byte,1) == HAL_I2C_STATUS_OK){
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return true;
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}
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}
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return false;
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}
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/**
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* Initialise I2C transmit message
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*
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* @param[in,out] message : I2C message
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* @param[in] tx_buffer : transmit buffer
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* @param[in] tx_buffer_length : transmit buffer length is bytes
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* @param[in] retries : number of transmission retries
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init_tx_message( platform_i2c_message_t* message, const void* tx_buffer, uint16_t tx_buffer_length, uint16_t retries )
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{
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memset(message, 0x00, sizeof(platform_i2c_message_t));
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message->tx_buffer = tx_buffer;
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message->retries = retries;
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message->tx_length = tx_buffer_length;
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return kNoErr;
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}
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/**
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* Initialise I2C receive message
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*
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* @param[in,out] message : I2C message
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* @param[in] rx_buffer : receive buffer
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* @param[in] rx_buffer_length : receive buffer length is bytes
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* @param[in] retries : number of transmission retries
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init_rx_message( platform_i2c_message_t* message, void* rx_buffer, uint16_t rx_buffer_length, uint16_t retries )
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{
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memset(message, 0x00, sizeof(platform_i2c_message_t));
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message->rx_buffer = rx_buffer;
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message->retries = retries;
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message->rx_length = rx_buffer_length;
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return kNoErr;
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}
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/**
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* Initialise I2C combined message
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*
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* @param[in,out] message : I2C message
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* @param[in] tx_buffer : transmit buffer
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* @param[in] rx_buffer : receive buffer
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* @param[in] tx_buffer_length : transmit buffer length is bytes
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* @param[in] rx_buffer_length : receive buffer length is bytes
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* @param[in] retries : number of transmission retries
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_init_combined_message( platform_i2c_message_t* message, const void* tx_buffer, void* rx_buffer, uint16_t tx_buffer_length, uint16_t rx_buffer_length, uint16_t retries )
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{
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memset(message, 0x00, sizeof(platform_i2c_message_t));
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message->rx_buffer = rx_buffer;
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message->tx_buffer = tx_buffer;
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message->retries = retries;
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message->tx_length = tx_buffer_length;
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message->rx_length = rx_buffer_length;
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return kNoErr;
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}
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/**
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* Transfer data via the I2C interface
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*
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* @param[in] i2c_interface : I2C interface
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* @param[in] messages : pointer to an array of messages to transceive
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* @param[in] number_of_messages : number of messages in the array
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*
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* @return @ref OSStatus
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*/
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OSStatus platform_i2c_transfer( const platform_i2c_t* i2c, const platform_i2c_config_t* config, platform_i2c_message_t* messages, uint16_t number_of_messages )
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{
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for( uint8_t i=0; i<number_of_messages; i++ )
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{
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platform_i2c_message_t *message = &messages[i];
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if ( message->tx_buffer != NULL )
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{
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if(hal_i2c_master_send_polling(HAL_I2C_MASTER_0, config->address, messages->tx_buffer, messages->tx_length) != HAL_I2C_STATUS_OK)
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{
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return kTimeoutErr;
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}
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}
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if ( message->rx_buffer != NULL )
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{
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if(hal_i2c_master_receive_polling(HAL_I2C_MASTER_0, config->address, messages->rx_buffer, messages->rx_length) != HAL_I2C_STATUS_OK)
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{
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return kTimeoutErr;
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}
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}
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}
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return kNoErr;
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}
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