9ed8bebba1
* spi device config * fix api_interrupt_call warning * added configs for spi2 bus devices * simplified spi bus api * use new spi device api
69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
#include "api-hal-spi.h"
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#include <cmsis_os.h>
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#include <stdbool.h>
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#include <string.h>
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osMutexId_t spi_mutex_r;
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osMutexId_t spi_mutex_d;
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extern SPI_HandleTypeDef SPI_R;
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extern SPI_HandleTypeDef SPI_D;
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extern void Enable_SPI(SPI_HandleTypeDef* spi);
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void api_hal_spi_init() {
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spi_mutex_r = osMutexNew(NULL);
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spi_mutex_d = osMutexNew(NULL);
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}
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void api_hal_spi_apply_config(const SPIDevice* device) {
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osKernelLock();
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memcpy(&device->spi->Init, &device->config, sizeof(SPI_InitTypeDef));
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if(HAL_SPI_Init(device->spi) != HAL_OK) {
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Error_Handler();
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}
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Enable_SPI(device->spi);
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osKernelUnlock();
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}
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bool api_hal_spi_config_are_actual(const SPIDevice* device) {
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return (memcmp(&device->config, &device->spi->Init, sizeof(SPI_InitTypeDef)) == 0);
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}
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void api_hal_spi_config_device(const SPIDevice* device) {
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if(!api_hal_spi_config_are_actual(device)) {
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api_hal_spi_apply_config(device);
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}
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}
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void api_hal_spi_lock(SPI_HandleTypeDef* spi) {
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if(spi == &SPI_D) {
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osMutexAcquire(spi_mutex_d, osWaitForever);
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} else if(spi == &SPI_R) {
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osMutexAcquire(spi_mutex_r, osWaitForever);
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} else {
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Error_Handler();
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}
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}
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void api_hal_spi_unlock(SPI_HandleTypeDef* spi) {
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if(spi == &SPI_D) {
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osMutexRelease(spi_mutex_d);
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} else if(spi == &SPI_R) {
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osMutexRelease(spi_mutex_r);
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} else {
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Error_Handler();
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}
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}
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void api_hal_spi_lock_device(const SPIDevice* device) {
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api_hal_spi_lock(device->spi);
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api_hal_spi_config_device(device);
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}
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void api_hal_spi_unlock_device(const SPIDevice* device) {
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api_hal_spi_unlock(device->spi);
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} |