flipperzero-firmware/lib/ST25RFAL002/platform.c

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2020-10-18 22:09:48 +00:00
#include "platform.h"
#include <assert.h>
HAL_StatusTypeDef platformSpiTxRx(const uint8_t *txBuf, uint8_t *rxBuf, uint16_t len) {
HAL_StatusTypeDef ret;
if (txBuf && rxBuf) {
ret = HAL_SPI_TransmitReceive(&hspi3, (uint8_t*)txBuf, rxBuf, len, HAL_MAX_DELAY);
} else if (txBuf) {
ret = HAL_SPI_Transmit(&hspi3, (uint8_t*)txBuf, len, HAL_MAX_DELAY);
} else if (rxBuf) {
ret = HAL_SPI_Receive(&hspi3, (uint8_t*)rxBuf, len, HAL_MAX_DELAY);
}
if(ret != HAL_OK) {
exit(250);
}
return ret;
}
void platformProtectST25RComm()
{
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if (HAL_SPI_DeInit(&hspi3) != HAL_OK) {
Error_Handler();
}
hspi3.Init.Mode = SPI_MODE_MASTER;
hspi3.Init.Direction = SPI_DIRECTION_2LINES;
hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
hspi3.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi3.Init.CLKPhase = SPI_PHASE_2EDGE;
hspi3.Init.NSS = SPI_NSS_SOFT;
hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi3.Init.CRCPolynomial = 7;
hspi3.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
hspi3.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
if (HAL_SPI_Init(&hspi3) != HAL_OK) {
Error_Handler();
}
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}
void platformUnprotectST25RComm()
{
}