diff options
| -rwxr-xr-x | nuttx/arch/arm/src/stm32/stm32_spi.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_spi.c b/nuttx/arch/arm/src/stm32/stm32_spi.c index 68f3f729b..ef7c5f307 100755 --- a/nuttx/arch/arm/src/stm32/stm32_spi.c +++ b/nuttx/arch/arm/src/stm32/stm32_spi.c @@ -354,7 +354,7 @@ static inline uint16 spi_readword(FAR struct stm32_spidev_s *priv) { /* Wait until the receive buffer is not empty */ - while ((spi_getreg(priv, STM32_SPI_SR_OFFSET) & SPI_SR_RXNE) != 0); + while ((spi_getreg(priv, STM32_SPI_SR_OFFSET) & SPI_SR_RXNE) == 0); /* Then return the received byte */ @@ -380,7 +380,7 @@ static inline void spi_writeword(FAR struct stm32_spidev_s *priv, uint16 word) { /* Wait until the transmit buffer is empty */ - while ((spi_getreg(priv, STM32_SPI_SR_OFFSET) & SPI_SR_TXE) != 0); + while ((spi_getreg(priv, STM32_SPI_SR_OFFSET) & SPI_SR_TXE) == 0); /* Then send the byte */ @@ -657,11 +657,11 @@ static inline void spi_dmatxstart(FAR struct stm32_spidev_s *priv) static void spi_modifycr1(FAR struct stm32_spidev_s *priv, uint16 setbits, uint16 clrbits) { - uint16 cr1; - cr1 = spi_getreg(priv, STM32_SPI_CR1_OFFSET); - cr1 &= ~clrbits; - cr1 |= setbits; - spi_putreg(priv, STM32_SPI_CR1_OFFSET, cr1); + uint16 cr1; + cr1 = spi_getreg(priv, STM32_SPI_CR1_OFFSET); + cr1 &= ~clrbits; + cr1 |= setbits; + spi_putreg(priv, STM32_SPI_CR1_OFFSET, cr1); } /************************************************************************************ |