ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[STM32F4 HAL] Avoid SPI spurious interrupt 

If SPI TXE is not disabled at the end of transfer, MBED application
callback that is registered for transfer completion might be called twice
pull/2542/head
Laurent MEUNIER 2016-09-13 17:02:30 +02:00
parent 00086a6f44
commit 04fe4d2588
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hal/targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_spi.c
View File

@ -2450,6 +2450,7 @@ static void SPI_TxISR_8BIT(struct __SPI_HandleTypeDef *hspi)
SET_BIT(hspi->Instance->CR1, SPI_CR1_CRCNEXT); SET_BIT(hspi->Instance->CR1, SPI_CR1_CRCNEXT);
} }
#endif /* USE_SPI_CRC */ #endif /* USE_SPI_CRC */
__HAL_SPI_DISABLE_IT(hspi, (SPI_IT_TXE));
SPI_CloseTx_ISR(hspi); SPI_CloseTx_ISR(hspi);
} }
} }
@ -2476,6 +2477,7 @@ static void SPI_TxISR_16BIT(struct __SPI_HandleTypeDef *hspi)
SET_BIT(hspi->Instance->CR1, SPI_CR1_CRCNEXT); SET_BIT(hspi->Instance->CR1, SPI_CR1_CRCNEXT);
} }
#endif /* USE_SPI_CRC */ #endif /* USE_SPI_CRC */
__HAL_SPI_DISABLE_IT(hspi, (SPI_IT_TXE));
SPI_CloseTx_ISR(hspi); SPI_CloseTx_ISR(hspi);
} }
} }