mirror of
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修复mico-sdk错误
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nhkefus
@@ -1,151 +1,151 @@
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/**
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******************************************************************************
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* @file platform_spi.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 SPI 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* UNPUBLISHED PROPRIETARY SOURCE CODE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_config.h"
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#include "platform_peripheral.h"
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#include "debug.h"
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#include "hal_spi_master.h"
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/******************************************************
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* Constants
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******************************************************/
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#define MAX_NUM_SPI_PRESCALERS (8)
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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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* Static Function Declarations
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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 Definitions
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******************************************************/
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OSStatus platform_spi_init( platform_spi_driver_t* driver, const platform_spi_t* peripheral, const platform_spi_config_t* config )
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{
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driver->peripheral = (platform_spi_t *)peripheral;
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hal_gpio_init(HAL_GPIO_29);
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hal_gpio_init(HAL_GPIO_30);
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hal_gpio_init(HAL_GPIO_31);
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hal_gpio_init(HAL_GPIO_32);
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/* Call hal_pinmux_set_function() to set GPIO pinmux, if EPT tool hasn't been used to configure the related pinmux */
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hal_pinmux_set_function(HAL_GPIO_29, HAL_GPIO_29_SPI_MOSI_M_CM4);
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hal_pinmux_set_function(HAL_GPIO_30, HAL_GPIO_30_SPI_MISO_M_CM4);
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hal_pinmux_set_function(HAL_GPIO_31, HAL_GPIO_31_SPI_SCK_M_CM4);
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hal_pinmux_set_function(HAL_GPIO_32, HAL_GPIO_32_GPIO32);
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/* Init SPI master */
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hal_spi_master_config_t spi_config;
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if(config->mode & SPI_MSB_FIRST){
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spi_config.bit_order = HAL_SPI_MASTER_MSB_FIRST;
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}else{
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spi_config.bit_order = HAL_SPI_MASTER_LSB_FIRST;
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}
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spi_config.slave_port = HAL_SPI_MASTER_SLAVE_0;
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spi_config.clock_frequency = config->speed;
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if(config->mode & SPI_CLOCK_RISING_EDGE){
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if(config->mode & SPI_CLOCK_IDLE_HIGH){
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE1;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY1;
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}else{
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE0;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY0;
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}
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}else{
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if(config->mode & SPI_CLOCK_IDLE_HIGH){
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE0;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY1;
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}else{
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE1;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY0;
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}
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}
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hal_spi_master_init(HAL_SPI_MASTER_0, &spi_config);
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return kNoErr;
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}
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OSStatus platform_spi_deinit( platform_spi_driver_t* driver )
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{
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/* De-init spi master */
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// hal_spi_master_deinit(HAL_SPI_MASTER_0);
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// hal_gpio_deinit(HAL_GPIO_29);
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// hal_gpio_deinit(HAL_GPIO_30);
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// hal_gpio_deinit(HAL_GPIO_31);
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// hal_gpio_deinit(HAL_GPIO_32);
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return kNoErr;
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}
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OSStatus platform_spi_transfer( platform_spi_driver_t* driver, const platform_spi_config_t* config, const platform_spi_message_segment_t* segments, uint16_t number_of_segments )
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{
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if(segments->tx_buffer != NULL && segments->rx_buffer != NULL)
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{
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return kUnsupportedErr;
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}
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if(segments->tx_buffer != NULL)
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{
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for(uint8_t i=0; i<number_of_segments; i++)
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{
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hal_spi_master_send_polling(HAL_SPI_MASTER_0, (uint8_t *)segments[i].tx_buffer, segments[i].length);
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}
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}
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else
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{
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uint8_t dummy_send_data = 0xAA;
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hal_spi_master_send_and_receive_config_t spi_config;
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spi_config.send_data = &dummy_send_data;
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spi_config.send_length = 0;
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for(uint8_t i=0; i<number_of_segments; i++)
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{
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spi_config.receive_buffer = segments[i].rx_buffer;
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spi_config.receive_length = segments[i].length;
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hal_spi_master_send_and_receive_polling(HAL_SPI_MASTER_0, &spi_config);
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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_spi.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 SPI 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_config.h"
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#include "platform_peripheral.h"
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#include "debug.h"
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#include "hal_spi_master.h"
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/******************************************************
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* Constants
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******************************************************/
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#define MAX_NUM_SPI_PRESCALERS (8)
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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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* Static Function Declarations
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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 Definitions
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******************************************************/
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OSStatus platform_spi_init( platform_spi_driver_t* driver, const platform_spi_t* peripheral, const platform_spi_config_t* config )
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{
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driver->peripheral = (platform_spi_t *)peripheral;
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hal_gpio_init(HAL_GPIO_29);
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hal_gpio_init(HAL_GPIO_30);
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hal_gpio_init(HAL_GPIO_31);
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hal_gpio_init(HAL_GPIO_32);
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/* Call hal_pinmux_set_function() to set GPIO pinmux, if EPT tool hasn't been used to configure the related pinmux */
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hal_pinmux_set_function(HAL_GPIO_29, HAL_GPIO_29_SPI_MOSI_M_CM4);
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hal_pinmux_set_function(HAL_GPIO_30, HAL_GPIO_30_SPI_MISO_M_CM4);
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hal_pinmux_set_function(HAL_GPIO_31, HAL_GPIO_31_SPI_SCK_M_CM4);
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hal_pinmux_set_function(HAL_GPIO_32, HAL_GPIO_32_GPIO32);
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/* Init SPI master */
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hal_spi_master_config_t spi_config;
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if(config->mode & SPI_MSB_FIRST){
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spi_config.bit_order = HAL_SPI_MASTER_MSB_FIRST;
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}else{
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spi_config.bit_order = HAL_SPI_MASTER_LSB_FIRST;
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}
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spi_config.slave_port = HAL_SPI_MASTER_SLAVE_0;
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spi_config.clock_frequency = config->speed;
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if(config->mode & SPI_CLOCK_RISING_EDGE){
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if(config->mode & SPI_CLOCK_IDLE_HIGH){
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE1;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY1;
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}else{
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE0;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY0;
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}
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}else{
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if(config->mode & SPI_CLOCK_IDLE_HIGH){
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE0;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY1;
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}else{
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spi_config.phase = HAL_SPI_MASTER_CLOCK_PHASE1;
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spi_config.polarity = HAL_SPI_MASTER_CLOCK_POLARITY0;
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}
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}
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hal_spi_master_init(HAL_SPI_MASTER_0, &spi_config);
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return kNoErr;
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}
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OSStatus platform_spi_deinit( platform_spi_driver_t* driver )
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{
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/* De-init spi master */
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// hal_spi_master_deinit(HAL_SPI_MASTER_0);
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// hal_gpio_deinit(HAL_GPIO_29);
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// hal_gpio_deinit(HAL_GPIO_30);
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// hal_gpio_deinit(HAL_GPIO_31);
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// hal_gpio_deinit(HAL_GPIO_32);
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return kNoErr;
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}
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OSStatus platform_spi_transfer( platform_spi_driver_t* driver, const platform_spi_config_t* config, const platform_spi_message_segment_t* segments, uint16_t number_of_segments )
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{
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if(segments->tx_buffer != NULL && segments->rx_buffer != NULL)
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{
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return kUnsupportedErr;
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}
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if(segments->tx_buffer != NULL)
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{
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for(uint8_t i=0; i<number_of_segments; i++)
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{
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hal_spi_master_send_polling(HAL_SPI_MASTER_0, (uint8_t *)segments[i].tx_buffer, segments[i].length);
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}
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}
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else
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{
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uint8_t dummy_send_data = 0xAA;
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hal_spi_master_send_and_receive_config_t spi_config;
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spi_config.send_data = &dummy_send_data;
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spi_config.send_length = 0;
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for(uint8_t i=0; i<number_of_segments; i++)
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{
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spi_config.receive_buffer = segments[i].rx_buffer;
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spi_config.receive_length = segments[i].length;
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hal_spi_master_send_and_receive_polling(HAL_SPI_MASTER_0, &spi_config);
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}
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}
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return kNoErr;
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}
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