/**
* @brief SPI Read 4 bytes from device
* @param None
* @retval Read data
*/
static uint32_t SPIx_Read(void)
{
HAL_StatusTypeDef status = HAL_OK;
uint32_t readvalue = 0;
uint32_t writevalue = 0xFFFFFFFF;
status = HAL_SPI_TransmitReceive(&hnucleo_Spi, (uint8_t*) &writevalue, (uint8_t*) &readvalue, 1, SpixTimeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
SPIx_Error();
}
return readvalue;
}
/******************************************************//**
* @brief Write and read SPI byte to the powerSTEP01
* @param[in] pByteToTransmit pointer to the byte to transmit
* @param[in] pReceivedByte pointer to the received byte
* @param[in] nbDevices Number of device in the SPI chain
* @retval HAL_OK if SPI transaction is OK, HAL_KO else
**********************************************************/
uint8_t BSP_MotorControlBoard_SpiWriteBytes(uint8_t *pByteToTransmit, uint8_t *pReceivedByte, uint8_t nbDevices)
{
HAL_StatusTypeDef status;
uint32_t i;
HAL_GPIO_WritePin(BSP_MOTOR_CONTROL_BOARD_CS_PORT, BSP_MOTOR_CONTROL_BOARD_CS_PIN, GPIO_PIN_RESET);
for (i = 0; i < nbDevices; i++)
{
status = HAL_SPI_TransmitReceive(&SpiHandle, pByteToTransmit, pReceivedByte, 1, SPIx_TIMEOUT_MAX);
if (status != HAL_OK)
{
break;
}
pByteToTransmit++;
pReceivedByte++;
}
HAL_GPIO_WritePin(BSP_MOTOR_CONTROL_BOARD_CS_PORT, BSP_MOTOR_CONTROL_BOARD_CS_PIN, GPIO_PIN_SET);
return (uint8_t) status;
}
int spi_master_write(spi_t *obj, int value)
{
uint16_t size, ret;
int Rx = 0;
struct spi_s *spiobj = SPI_S(obj);
SPI_HandleTypeDef *handle = &(spiobj->handle);
size = (handle->Init.DataSize == SPI_DATASIZE_16BIT) ? 2 : 1;
/* Use 10ms timeout */
ret = HAL_SPI_TransmitReceive(handle,(uint8_t*)&value,(uint8_t*)&Rx,size,10);
if(ret == HAL_OK) {
return Rx;
} else {
DEBUG_PRINTF("SPI inst=0x%8X ERROR in write\r\n", (int)handle->Instance);
return -1;
}
}
// send 1 bytes more ?
int DevSPI::duplex( const uint8_t *ds, uint8_t *dd, int nd )
{
if( ds == nullptr || dd == nullptr || nd == 0 ) {
return 0;
}
nss_pre_cond();
last_rc = HAL_SPI_TransmitReceive( spi, (uint8_t*)ds, dd, nd, maxWait );
if( last_rc == HAL_OK ) {
last_rc = HAL_SPI_Receive( spi, (uint8_t*)(dd), nd, maxWait );
}
nss_post_cond();
if ( last_rc != HAL_OK ) {
last_err = getErr();
return 0;
}
return nd;
}
/**
* @brief This function is implemented by user to send/receive data over
* SPI interface
* @param obj : pointer to spi_t structure
* @param tx_buffer : tx data to send before reception
* @param rx_buffer : data to receive
* @param len : length in byte of the data to send and receive
* @param Timeout: Timeout duration in tick
* @retval status of the send operation (0) in case of error
*/
spi_status_e spi_transfer(spi_t *obj, uint8_t * tx_buffer,
uint8_t * rx_buffer, uint16_t len, uint32_t Timeout)
{
spi_status_e ret = SPI_OK;
HAL_StatusTypeDef hal_status;
if((obj == NULL) || (len == 0)) {
return SPI_ERROR;
}
hal_status = HAL_SPI_TransmitReceive(&(obj->handle), tx_buffer, rx_buffer, len, Timeout);
if(hal_status == HAL_TIMEOUT) {
ret = SPI_TIMEOUT;
} else if(hal_status != HAL_OK) {
ret = SPI_ERROR;
}
return ret;
}
bool spiTransfer(SPI_TypeDef *instance, uint8_t *out, const uint8_t *in, int len)
{
HAL_StatusTypeDef status;
#define SPI_DEFAULT_TIMEOUT 10
if(!out) // Tx only
{
status = HAL_SPI_Transmit(&spiHandle[spiDeviceByInstance(instance)].Handle, (uint8_t *)in, len, SPI_DEFAULT_TIMEOUT);
}
else if(!in) // Rx only
{
status = HAL_SPI_Receive(&spiHandle[spiDeviceByInstance(instance)].Handle, out, len, SPI_DEFAULT_TIMEOUT);
}
else // Tx and Rx
{
status = HAL_SPI_TransmitReceive(&spiHandle[spiDeviceByInstance(instance)].Handle, (uint8_t *)in, out, len, SPI_DEFAULT_TIMEOUT);
}
if( status != HAL_OK)
spiTimeoutUserCallback(instance);
return true;
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* STM32F103xB HAL library initialization:
- Configure the Flash prefetch
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 64 MHz */
SystemClock_Config();
/* Configure LED2 */
BSP_LED_Init(LED2);
/*##-1- Configure the SPI peripheral #######################################*/
/* Set the SPI parameters */
SpiHandle.Instance = SPIx;
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
SpiHandle.Init.CRCPolynomial = 7;
SpiHandle.Init.NSS = SPI_NSS_SOFT;
#ifdef MASTER_BOARD
SpiHandle.Init.Mode = SPI_MODE_MASTER;
#else
SpiHandle.Init.Mode = SPI_MODE_SLAVE;
#endif /* MASTER_BOARD */
if(HAL_SPI_Init(&SpiHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
#ifdef MASTER_BOARD
/* SPI block is enabled prior calling SPI transmit/receive functions, in order to get CLK signal properly pulled down.
Otherwise, SPI CLK signal is not clean on this board and leads to errors during transfer */
__HAL_SPI_ENABLE(&SpiHandle);
/* Configure User push-button */
BSP_PB_Init(BUTTON_USER, BUTTON_MODE_GPIO);
/* Wait for User push-button press before starting the Communication */
while (BSP_PB_GetState(BUTTON_USER) != GPIO_PIN_RESET)
{
BSP_LED_Toggle(LED2);
HAL_Delay(100);
}
BSP_LED_Off(LED2);
#endif /* MASTER_BOARD */
/*##-2- Start the Full Duplex Communication process ########################*/
/* While the SPI in TransmitReceive process, user can transmit data through
"aTxBuffer" buffer & receive data through "aRxBuffer" */
/* Timeout is set to 5S */
switch(HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE, 5000))
{
case HAL_OK:
/* Communication is completed ___________________________________________ */
/* Compare the sent and received buffers */
if (Buffercmp((uint8_t *)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE))
{
/* Transfer error in transmission process */
Error_Handler();
}
/* Turn LED2 on: Transfer in transmission/Reception process is correct */
BSP_LED_On(LED2);
break;
case HAL_TIMEOUT:
/* An Error Occur ______________________________________________________ */
case HAL_ERROR:
/* Call Timeout Handler */
Error_Handler();
break;
default:
break;
}
/* Infinite loop */
while (1)
{
}
}
uint8_t _spi_write(uint8_t command)
{
uint8_t result=0;
HAL_SPI_TransmitReceive(&hspi1, &command, &result, 1, 1000);
return result;
}
static uint8_t spi_txrx_a(uint8_t* data)
{
uint8_t out = 0;
HAL_SPI_TransmitReceive(&FAT_SD_SPI, data, &out, sizeof(data), 0x1000);
return out;
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* STM32F3xx HAL library initialization:
- Configure the Flash prefetch
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure LED3, LED4 and LED5 */
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
BSP_LED_Init(LED5);
/* Configure the system clock to 72 MHz */
SystemClock_Config();
/*##-1- Configure the SPI peripheral #######################################*/
/* Set the SPI parameters */
SpiHandle.Instance = SPIx;
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
SpiHandle.Init.CRCPolynomial = 7;
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
SpiHandle.Init.NSS = SPI_NSS_SOFT;
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED;
SpiHandle.Init.NSSPMode = SPI_NSS_PULSE_DISABLED;
SpiHandle.Init.CRCLength = SPI_CRC_LENGTH_8BIT;
#ifdef MASTER_BOARD
SpiHandle.Init.Mode = SPI_MODE_MASTER;
#else
SpiHandle.Init.Mode = SPI_MODE_SLAVE;
#endif /* MASTER_BOARD */
if(HAL_SPI_Init(&SpiHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
#ifdef MASTER_BOARD
/* Configure push button */
BSP_PB_Init(BUTTON_USER, BUTTON_MODE_GPIO);
/* Wait for User Button press before starting the Communication */
while (BSP_PB_GetState(BUTTON_USER) != 1)
{
}
#endif /* MASTER_BOARD */
/*##-2- Start the Full Duplex Communication process ########################*/
/* While the SPI in TransmitReceive process, user can transmit data through
"aTxBuffer" buffer & receive data through "aRxBuffer" */
/* Timeout is set to 5S */
switch(HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE, 5000))
{
case HAL_OK:
/* Communication is completed ___________________________________________ */
/* Compare the sent and received buffers */
if(Buffercmp((uint8_t*)aTxBuffer, (uint8_t*)aRxBuffer, BUFFERSIZE))
{
/* Transfer error in transmission process */
Error_Handler();
}
/* Turn LED3 on: Transfer in transmission process is correct */
BSP_LED_On(LED3);
/* Turn LED4 on: Transfer in reception process is correct */
BSP_LED_On(LED4);
break;
case HAL_TIMEOUT:
/* A Timeout Occur ______________________________________________________*/
/* Call Timeout Handler */
Timeout_Error_Handler();
break;
/* An Error Occur ______________________________________________________ */
case HAL_ERROR:
/* Call Timeout Handler */
Error_Handler();
break;
default:
break;
}
/* Infinite loop */
while (1)
{
}
}
uint8_t LSM303D_RW(uint8_t TxData)
{
uint8_t RxData;
HAL_SPI_TransmitReceive(&Spi1Handle, &TxData, &RxData, 1, 0x5000);
return RxData;
}
/**
* @brief Writes data from local buffer to SPI.
* @param hspi : Handle of the STM32Cube HAL SPI interface
* @param data1 : First data buffer to be written
* @param data2 : Second data buffer to be written
* @param Nb_bytes1: Size of first data buffer to be written
* @param Nb_bytes2: Size of second data buffer to be written
* @retval Number of read bytes
*/
int32_t BlueNRG_SPI_Write(SPI_HandleTypeDef * hspi, uint8_t * data1,
uint8_t * data2, uint8_t Nb_bytes1, uint8_t Nb_bytes2)
{
int32_t result = 0;
int32_t spi_fix_enabled = 0;
#ifdef ENABLE_SPI_FIX
spi_fix_enabled = 1;
#endif //ENABLE_SPI_FIX
unsigned char header_master[HEADER_SIZE] =
{ 0x0a, 0x00, 0x00, 0x00, 0x00 };
unsigned char header_slave[HEADER_SIZE] =
{ 0xaa, 0x00, 0x00, 0x00, 0x00 };
unsigned char read_char_buf[MAX_BUFFER_SIZE];
Disable_SPI_IRQ();
/*
If the SPI_FIX is enabled the IRQ is set in Output mode, then it is pulled
high and, after a delay of at least 112us, the CS line is asserted and the
header transmit/receive operations are started.
After these transmit/receive operations the IRQ is reset in input mode.
*/
if (spi_fix_enabled) {
set_irq_as_output();
/* Assert CS line after at least 112us */
us150Delay();
}
/* CS reset */
HAL_GPIO_WritePin(BNRG_SPI_CS_PORT, BNRG_SPI_CS_PIN, GPIO_PIN_RESET);
/* Exchange header */
HAL_SPI_TransmitReceive(hspi, header_master, header_slave, HEADER_SIZE,
TIMEOUT_DURATION);
if (spi_fix_enabled) {
set_irq_as_input();
}
if (header_slave[0] == 0x02) {
/* SPI is ready */
if (header_slave[1] >= (Nb_bytes1 + Nb_bytes2)) {
/* Buffer is big enough */
if (Nb_bytes1 > 0) {
HAL_SPI_TransmitReceive(hspi, data1,
read_char_buf,
Nb_bytes1,
TIMEOUT_DURATION);
}
if (Nb_bytes2 > 0) {
HAL_SPI_TransmitReceive(hspi, data2,
read_char_buf,
Nb_bytes2,
TIMEOUT_DURATION);
}
} else {
/* Buffer is too small */
result = -2;
}
} else {
/* SPI is not ready */
result = -1;
}
/* Release CS line */
HAL_GPIO_WritePin(BNRG_SPI_CS_PORT, BNRG_SPI_CS_PIN, GPIO_PIN_SET);
Enable_SPI_IRQ();
return result;
}
void DaqADS1298::sendCmd(uint8_t cmd){
uint8_t tmp[1] = {0};
// ADS1298_SDATAC (stop read data continuous mode) default mode
HAL_SPI_TransmitReceive (spiHandle, &cmd,tmp, 1, 0x1000);
}
//-------------------------------------------------------------
static void Flash_PowerDown(void)
{
uint8_t t_data,r_data;
t_data=SPI_Flash_Power_Down;
HAL_SPI_TransmitReceive(&hspi2,&t_data,&r_data,1,200);
}
//------------------------------------------------
static __inline uint8_t SPI2_WriteRead_Data(uint8_t dat)
{
uint8_t temp;
HAL_SPI_TransmitReceive(&hspi2,&dat,&temp,1,1000);
return temp;
}
uint8_t pyb_cc3000_spi_send(uint8_t val) {
uint8_t data[1] = {val};
HAL_SPI_TransmitReceive(&SPI_HANDLE, data, data, 1, 1000);
return data[0];
}
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure LED3, LED4, LED5 and LED6 */
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
BSP_LED_Init(LED5);
BSP_LED_Init(LED6);
/* Configure the system clock to 168 MHz */
SystemClock_Config();
/*##-1- Configure the SPI peripheral #######################################*/
/* Set the SPI parameters */
SpiHandle.Instance = SPIx;
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
SpiHandle.Init.CLKPolarity = SPI_POLARITY_HIGH;
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
SpiHandle.Init.CRCPolynomial = 7;
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
SpiHandle.Init.NSS = SPI_NSS_SOFT;
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
#ifdef MASTER_BOARD
SpiHandle.Init.Mode = SPI_MODE_MASTER;
#else
SpiHandle.Init.Mode = SPI_MODE_SLAVE;
#endif /* MASTER_BOARD */
if(HAL_SPI_Init(&SpiHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
#ifdef MASTER_BOARD
/* Configure USER Button */
BSP_PB_Init(BUTTON_KEY, BUTTON_MODE_GPIO);
/* Wait for USER Button press before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != 1)
{
BSP_LED_Toggle(LED3);
HAL_Delay(40);
}
BSP_LED_Off(LED3);
#endif /* MASTER_BOARD */
/*##-2- Start the Full Duplex Communication process ########################*/
/* While the SPI in TransmitReceive process, user can transmit data through
"aTxBuffer" buffer & receive data through "aRxBuffer" */
/* Timeout is set to 5S */
switch(HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE, 5000))
{
case HAL_OK:
/* Communication is completed ____________________________________________*/
/* Compare the sent and received buffers */
if(Buffercmp((uint8_t*)aTxBuffer, (uint8_t*)aRxBuffer, BUFFERSIZE))
{
/* Transfer error in transmission process */
Error_Handler();
}
/* Turn LED4 on: Transfer in transmission process is correct */
BSP_LED_On(LED4);
/* Turn LED6 on: Transfer in reception process is correct */
BSP_LED_On(LED6);
break;
case HAL_TIMEOUT:
/* A Timeout occurred_____________________________________________________*/
/* Call Timeout Handler */
Timeout_Error_Handler();
break;
/* An Error occurred______________________________________________________*/
case HAL_ERROR:
/* Call Timeout Handler */
Error_Handler();
break;
default:
break;
}
/* Infinite loop */
while (1)
{
}
}
static rt_uint32_t spixfer(struct rt_spi_device *device, struct rt_spi_message *message)
{
HAL_StatusTypeDef state;
rt_size_t message_length, already_send_length;
rt_uint16_t send_length;
rt_uint8_t *recv_buf;
const rt_uint8_t *send_buf;
RT_ASSERT(device != RT_NULL);
RT_ASSERT(device->bus != RT_NULL);
RT_ASSERT(device->bus->parent.user_data != RT_NULL);
RT_ASSERT(message != RT_NULL);
struct stm32_spi *spi_drv = rt_container_of(device->bus, struct stm32_spi, spi_bus);
SPI_HandleTypeDef *spi_handle = &spi_drv->handle;
struct stm32_hw_spi_cs *cs = device->parent.user_data;
if (message->cs_take)
{
HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_RESET);
}
LOG_D("%s transfer prepare and start", spi_drv->config->bus_name);
LOG_D("%s sendbuf: %X, recvbuf: %X, length: %d",
spi_drv->config->bus_name,
(uint32_t)message->send_buf,
(uint32_t)message->recv_buf, message->length);
message_length = message->length;
recv_buf = message->recv_buf;
send_buf = message->send_buf;
while (message_length)
{
/* the HAL library use uint16 to save the data length */
if (message_length > 65535)
{
send_length = 65535;
message_length = message_length - 65535;
}
else
{
send_length = message_length;
message_length = 0;
}
/* calculate the start address */
already_send_length = message->length - send_length - message_length;
send_buf = (rt_uint8_t *)message->send_buf + already_send_length;
recv_buf = (rt_uint8_t *)message->recv_buf + already_send_length;
/* start once data exchange in DMA mode */
if (message->send_buf && message->recv_buf)
{
if ((spi_drv->spi_dma_flag & SPI_USING_TX_DMA_FLAG) && (spi_drv->spi_dma_flag & SPI_USING_RX_DMA_FLAG))
{
state = HAL_SPI_TransmitReceive_DMA(spi_handle, (uint8_t *)send_buf, (uint8_t *)recv_buf, send_length);
}
else
{
state = HAL_SPI_TransmitReceive(spi_handle, (uint8_t *)send_buf, (uint8_t *)recv_buf, send_length, 1000);
}
}
else if (message->send_buf)
{
if (spi_drv->spi_dma_flag & SPI_USING_TX_DMA_FLAG)
{
state = HAL_SPI_Transmit_DMA(spi_handle, (uint8_t *)send_buf, send_length);
}
else
{
state = HAL_SPI_Transmit(spi_handle, (uint8_t *)send_buf, send_length, 1000);
}
}
else
{
memset((uint8_t *)recv_buf, 0xff, send_length);
if (spi_drv->spi_dma_flag & SPI_USING_RX_DMA_FLAG)
{
state = HAL_SPI_Receive_DMA(spi_handle, (uint8_t *)recv_buf, send_length);
}
else
{
state = HAL_SPI_Receive(spi_handle, (uint8_t *)recv_buf, send_length, 1000);
}
}
if (state != HAL_OK)
{
LOG_I("spi transfer error : %d", state);
message->length = 0;
spi_handle->State = HAL_SPI_STATE_READY;
}
else
{
LOG_D("%s transfer done", spi_drv->config->bus_name);
}
/* For simplicity reasons, this example is just waiting till the end of the
transfer, but application may perform other tasks while transfer operation
is ongoing. */
while (HAL_SPI_GetState(spi_handle) != HAL_SPI_STATE_READY);
}
if (message->cs_release)
{
HAL_GPIO_WritePin(cs->GPIOx, cs->GPIO_Pin, GPIO_PIN_SET);
}
return message->length;
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
#ifdef MASTER_BOARD
GPIO_InitTypeDef GPIO_InitStruct;
#endif
/* STM32F3xx HAL library initialization:
- Configure the Flash prefetch
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 64 MHz */
SystemClock_Config();
/* Configure LED3 */
BSP_LED_Init(LED3);
/*##-1- Configure the SPI peripheral #######################################*/
/* Set the SPI parameters */
SpiHandle.Instance = SPIx;
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
SpiHandle.Init.CRCPolynomial = 7;
SpiHandle.Init.CRCLength = SPI_CRC_LENGTH_8BIT;
SpiHandle.Init.NSS = SPI_NSS_SOFT;
SpiHandle.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
#ifdef MASTER_BOARD
SpiHandle.Init.Mode = SPI_MODE_MASTER;
#else
SpiHandle.Init.Mode = SPI_MODE_SLAVE;
#endif /* MASTER_BOARD */
if(HAL_SPI_Init(&SpiHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
#ifdef MASTER_BOARD
/* Configure PA.12 (Arduino D2) button */
GPIO_InitStruct.Pin = GPIO_PIN_12;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
/* Enable GPIOA clock */
__HAL_RCC_GPIOA_CLK_ENABLE();
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Wait Until PA.12 (Arduino D2) is connected to GND */
while(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_12) == GPIO_PIN_SET)
{
BSP_LED_Toggle(LED3);
HAL_Delay(100);
}
BSP_LED_Off(LED3);
#endif /* MASTER_BOARD */
/*##-2- Start the Full Duplex Communication process ########################*/
/* While the SPI in TransmitReceive process, user can transmit data through
"aTxBuffer" buffer & receive data through "aRxBuffer" */
/* Timeout is set to 5S */
switch(HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE, 5000))
{
case HAL_OK:
/* Communication is completed ___________________________________________ */
/* Compare the sent and received buffers */
if (Buffercmp((uint8_t *)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE))
{
/* Transfer error in transmission process */
Error_Handler();
}
/* Turn LED3 on: Transfer in transmission/Reception process is correct */
BSP_LED_On(LED3);
break;
case HAL_TIMEOUT:
/* An Error Occur ______________________________________________________ */
case HAL_ERROR:
/* Call Timeout Handler */
Error_Handler();
break;
default:
break;
}
/* Infinite loop */
while (1)
{
}
}
int spi_master_exchange(hacs_spi_t bus, uint8_t *wbuf, uint8_t *rbuf, size_t size) {
return HAL_SPI_TransmitReceive(&spi_handles[bus], wbuf, rbuf, size, SPI_OP_TIMEOUT_MS);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* Configure the MPU attributes as Write Through */
MPU_Config();
/* Enable the CPU Cache */
CPU_CACHE_Enable();
/* STM32F7xx HAL library initialization:
- Configure the Flash ART accelerator
- Systick timer is configured by default as source of time base, but user
can eventually implement his proper time base source (a general purpose
timer for example or other time source), keeping in mind that Time base
duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
handled in milliseconds basis.
- Set NVIC Group Priority to 4
- Low Level Initialization
*/
HAL_Init();
/* Configure the system clock to 216 MHz */
SystemClock_Config();
/*##-1- Configure the SPI peripheral #######################################*/
/* Set the SPI parameters */
SpiHandle.Instance = SPIx;
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
SpiHandle.Init.CLKPolarity = SPI_POLARITY_HIGH;
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
SpiHandle.Init.CRCPolynomial = 7;
SpiHandle.Init.NSS = SPI_NSS_SOFT;
#ifdef MASTER_BOARD
SpiHandle.Init.Mode = SPI_MODE_MASTER;
#else
SpiHandle.Init.Mode = SPI_MODE_SLAVE;
/* Slave board must wait until Master Board is ready. This to guarantee the
correctness of transmitted/received data */
HAL_Delay(5);
#endif /* MASTER_BOARD */
if(HAL_SPI_Init(&SpiHandle) != HAL_OK)
{
/* Initialization Error */
Error_Handler();
}
#ifdef MASTER_BOARD
/* Configure User push-button button */
BSP_PB_Init(BUTTON_KEY,BUTTON_MODE_GPIO);
/* Wait for User push-button press before starting the Communication */
while (BSP_PB_GetState(BUTTON_KEY) != GPIO_PIN_SET)
{
HAL_Delay(100);
}
#endif /* MASTER_BOARD */
/*##-2- Start the Full Duplex Communication process ########################*/
/* While the SPI in TransmitReceive process, user can transmit data through
"aTxBuffer" buffer & receive data through "aRxBuffer" */
/* Timeout is set to 5S */
switch(HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE, 5000))
{
case HAL_OK:
/* Communication is completed ___________________________________________ */
/* Compare the sent and received buffers */
if (Buffercmp((uint8_t *)aTxBuffer, (uint8_t *)aRxBuffer, BUFFERSIZE))
{
/* Transfer error in transmission process */
Error_Handler();
}
/* Configure LED1 which is shared with SPI2_SCK signal */
BSP_LED_Init(LED1);
/* Turn LED1 on: Transfer in transmission/Reception process is correct */
BSP_LED_On(LED1);
break;
case HAL_TIMEOUT:
/* An Error Occur ______________________________________________________ */
case HAL_ERROR:
/* Call Timeout Handler */
Error_Handler();
break;
default:
break;
}
/* Infinite loop */
while (1)
{
}
}
uint8_t hal_nrf_rw(uint8_t value)
{
uint8_t ret;
HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*)&value, (uint8_t *)&ret, 1, 5000);
return ret; // return SPI read value
}
void W5500WriteByte(unsigned char txByte)
{
unsigned char rtnByte;
while (HAL_SPI_GetState(&hspi1W5500) != HAL_SPI_STATE_READY);
HAL_SPI_TransmitReceive(&hspi1W5500,&txByte,&rtnByte,1,10);
}
