98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
|
#include "./SYSTEM/spi1/spi1.h"
|
|||
|
|
|
|||
|
|
/* USER CODE BEGIN 0 */
|
|||
|
|
|
|||
|
|
/* USER CODE END 0 */
|
|||
|
|
|
|||
|
|
SPI_HandleTypeDef hspi1;
|
|||
|
|
|
|||
|
|
/* SPI1 init function */
|
|||
|
|
void MX_SPI1_Init(void)
|
|||
|
|
{
|
|||
|
|
hspi1.Instance = SPI1;
|
|||
|
|
hspi1.Init.Mode = SPI_MODE_MASTER;
|
|||
|
|
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
|
|||
|
|
hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
|
|||
|
|
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
|
|||
|
|
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
|
|||
|
|
hspi1.Init.NSS = SPI_NSS_SOFT;
|
|||
|
|
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
|
|||
|
|
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
|||
|
|
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
|
|||
|
|
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
|||
|
|
hspi1.Init.CRCPolynomial = 10;
|
|||
|
|
HAL_SPI_Init(&hspi1);
|
|||
|
|
__HAL_SPI_ENABLE(&hspi1); /* ʹ<><CAB9>SPI */
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|||
|
|
if(spiHandle->Instance==SPI1)
|
|||
|
|
{
|
|||
|
|
/* USER CODE BEGIN SPI1_MspInit 0 */
|
|||
|
|
|
|||
|
|
/* USER CODE END SPI1_MspInit 0 */
|
|||
|
|
/* SPI1 clock enable */
|
|||
|
|
__HAL_RCC_SPI1_CLK_ENABLE();
|
|||
|
|
|
|||
|
|
__HAL_RCC_GPIOB_CLK_ENABLE();
|
|||
|
|
/**SPI1 GPIO Configuration
|
|||
|
|
PB3 ------> SPI1_SCK
|
|||
|
|
PB4 ------> SPI1_MISO
|
|||
|
|
*/
|
|||
|
|
GPIO_InitStruct.Pin = SCLK_Pin|DOUT1_Pin;
|
|||
|
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
|||
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|||
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
|||
|
|
GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
|
|||
|
|
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|||
|
|
|
|||
|
|
/* USER CODE BEGIN SPI1_MspInit 1 */
|
|||
|
|
|
|||
|
|
/* USER CODE END SPI1_MspInit 1 */
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
if(spiHandle->Instance==SPI1)
|
|||
|
|
{
|
|||
|
|
/* USER CODE BEGIN SPI1_MspDeInit 0 */
|
|||
|
|
/* <20>ڽ<EFBFBD><DABD><EFBFBD>SPI<50><49><EFBFBD><EFBFBD>֮ǰ<D6AE><C7B0>ʱ<EFBFBD>Ӽ<EFBFBD><D3BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ */
|
|||
|
|
CLEAR_BIT(spiHandle->Instance->CR1, SPI_CR1_CPOL);
|
|||
|
|
/* USER CODE END SPI1_MspDeInit 0 */
|
|||
|
|
/* Peripheral clock disable */
|
|||
|
|
__HAL_RCC_SPI1_CLK_DISABLE();
|
|||
|
|
|
|||
|
|
/**SPI1 GPIO Configuration
|
|||
|
|
PB3 ------> SPI1_SCK
|
|||
|
|
PB4 ------> SPI1_MISO
|
|||
|
|
*/
|
|||
|
|
HAL_GPIO_DeInit(GPIOB, SCLK_Pin|DOUT1_Pin);
|
|||
|
|
|
|||
|
|
/* USER CODE BEGIN SPI1_MspDeInit 1 */
|
|||
|
|
|
|||
|
|
/* USER CODE END SPI1_MspDeInit 1 */
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
uint8_t SPI_ReceiveData(SPI_HandleTypeDef* hspi)
|
|||
|
|
{
|
|||
|
|
uint8_t data;
|
|||
|
|
|
|||
|
|
// <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD>
|
|||
|
|
while(__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXNE) == RESET);
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD>ж<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
|
|||
|
|
data = hspi->Instance->DR;
|
|||
|
|
return data;
|
|||
|
|
}
|
|||
|
|
/* USER CODE BEGIN 1 */
|
|||
|
|
|
|||
|
|
/* USER CODE END 1 */
|
|||
|
|
|
|||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|