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Improved efficiency of gyro read for SPI

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This commit is contained in:
Martin Budden 2017-07-01 17:26:45 +01:00
parent 1d5145b869
commit b78a8bd519
12 changed files with 52 additions and 10 deletions
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4
lib/main/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_spi.h
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@ -622,9 +622,9 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi);
* @{
*/
/* I/O operation functions ***************************************************/
HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, const uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_Receive(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size,
HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, const uint8_t *pTxData, uint8_t *pRxData, uint16_t Size,
uint32_t Timeout);
HAL_StatusTypeDef HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);
HAL_StatusTypeDef HAL_SPI_Receive_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size);

4
lib/main/STM32F7xx_HAL_Driver/Src/stm32f7xx_hal_spi.c
View file

@ -493,7 +493,7 @@ __weak void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi)
* @param Timeout: Timeout duration
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout)
HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, const uint8_t *pData, uint16_t Size, uint32_t Timeout)
{
uint32_t tickstart = 0U;
HAL_StatusTypeDef errorcode = HAL_OK;
@ -882,7 +882,7 @@ error :
* @param Timeout: Timeout duration
* @retval HAL status
*/
HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size,
HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, const uint8_t *pTxData, uint8_t *pRxData, uint16_t Size,
uint32_t Timeout)
{
uint32_t tmp = 0U, tmp1 = 0U;