diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/stm32f1/spi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/stm32f1/spi.c b/src/stm32f1/spi.c index 7bea6cb5..a90a030a 100644 --- a/src/stm32f1/spi.c +++ b/src/stm32f1/spi.c @@ -97,9 +97,10 @@ spi_transfer(struct spi_config config, uint8_t receive_data, while (len--) { LL_SPI_TransmitData8(SPI2, *data); while (!LL_SPI_IsActiveFlag_TXE(SPI2)); + while (!LL_SPI_IsActiveFlag_RXNE(SPI2)); + uint8_t rdata = LL_SPI_ReceiveData8(SPI2); if (receive_data) { - while (!LL_SPI_IsActiveFlag_RXNE(SPI2)); - *data = LL_SPI_ReceiveData8(SPI2); + *data = rdata; } data++; } |