YShuvakin/CuboBmsFirmware
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Yury Shuvakin
2022-11-12 23:42:55 +03:00
parent 9a18b5d8e7
commit 190522943f
228 changed files with 141037 additions and 0 deletions
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74
Core/Src/driverHWSPI1.c Normal file
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#include "driverHWSPI1.h"
SPI_HandleTypeDef driverHWSPI1Handle;
void driverHWSPI1Init(GPIO_TypeDef* GPIOCSPort, uint16_t GPIO_CSPin) {
driverHWSPI1Handle.Instance = SPI3;
driverHWSPI1Handle.Init.Mode = SPI_MODE_MASTER;
driverHWSPI1Handle.Init.Direction = SPI_DIRECTION_2LINES;
driverHWSPI1Handle.Init.DataSize = SPI_DATASIZE_8BIT;
driverHWSPI1Handle.Init.CLKPolarity = SPI_POLARITY_HIGH;
//driverHWSPI1Handle.Init.CLKPhase = SPI_PHASE_1EDGE;
driverHWSPI1Handle.Init.CLKPhase = SPI_PHASE_2EDGE;
driverHWSPI1Handle.Init.NSS = SPI_NSS_HARD_OUTPUT;
driverHWSPI1Handle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
// driverHWSPI1Handle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
driverHWSPI1Handle.Init.FirstBit = SPI_FIRSTBIT_MSB;
driverHWSPI1Handle.Init.TIMode = SPI_TIMODE_DISABLE;
driverHWSPI1Handle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
driverHWSPI1Handle.Init.CRCPolynomial = 7;
// driverHWSPI1Handle.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
// driverHWSPI1Handle.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
if (HAL_SPI_Init(&driverHWSPI1Handle) != HAL_OK)
{
while(true);
}
HAL_GPIO_WritePin(GPIOCSPort,GPIO_CSPin,GPIO_PIN_SET);
};
bool driverHWSPI1Write(uint8_t *writeBuffer, uint8_t noOfBytesToWrite, GPIO_TypeDef* GPIOCSPort, uint16_t GPIO_CSPin) {
uint8_t *readBuffer; // Make fake buffer holder
HAL_StatusTypeDef halReturnStatus; // Make holder for HAL state
readBuffer = malloc(noOfBytesToWrite); // Make fake buffer for
HAL_GPIO_WritePin(GPIOCSPort,GPIO_CSPin,GPIO_PIN_RESET); // Make CS low
halReturnStatus = HAL_SPI_TransmitReceive(&driverHWSPI1Handle,writeBuffer,readBuffer,noOfBytesToWrite,driverHWSPI1DefaultTimeout); // Write desired data to slave and store the received data in readBuffer
while( driverHWSPI1Handle.State == HAL_SPI_STATE_BUSY ); // Wait until transmission is complete
HAL_GPIO_WritePin(GPIOCSPort,GPIO_CSPin,GPIO_PIN_SET); // Make CS High
free(readBuffer); // Dump de fake buffer
return (halReturnStatus == HAL_OK); // Return true if all went OK
};
bool driverHWSPI1WriteRead(uint8_t *writeBuffer, uint8_t noOfBytesToWrite, uint8_t *readBuffer, uint8_t noOfBytesToRead, GPIO_TypeDef* GPIOCSPort, uint16_t GPIO_CSPin) {
uint8_t *writeArray, *readArray;
HAL_StatusTypeDef halReturnStatus; // Make holder for HAL state
writeArray = malloc(sizeof(uint8_t)*(noOfBytesToWrite+noOfBytesToRead));
readArray = malloc(sizeof(uint8_t)*(noOfBytesToWrite+noOfBytesToRead));
memset(writeArray,0xFF,noOfBytesToWrite+noOfBytesToRead);
memcpy(writeArray,writeBuffer,noOfBytesToWrite);
HAL_GPIO_WritePin(GPIOCSPort,GPIO_CSPin,GPIO_PIN_RESET);
halReturnStatus = HAL_SPI_TransmitReceive(&driverHWSPI1Handle,writeArray,readArray,noOfBytesToWrite+noOfBytesToRead,driverHWSPI1DefaultTimeout);
while( driverHWSPI1Handle.State == HAL_SPI_STATE_BUSY ); // wait xmission complete
HAL_GPIO_WritePin(GPIOCSPort,GPIO_CSPin,GPIO_PIN_SET);
memcpy(readBuffer,readArray+noOfBytesToWrite,noOfBytesToRead);
free(writeArray);
free(readArray);
return (halReturnStatus == HAL_OK); // Return true if all went OK
};