diff options
Diffstat (limited to 'os/io/platforms/STM32/spi_lld.c')
| -rw-r--r-- | os/io/platforms/STM32/spi_lld.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/os/io/platforms/STM32/spi_lld.c b/os/io/platforms/STM32/spi_lld.c index 9f95b3a19..934501cf6 100644 --- a/os/io/platforms/STM32/spi_lld.c +++ b/os/io/platforms/STM32/spi_lld.c @@ -88,6 +88,7 @@ static msg_t spi_start_wait(SPIDriver *spip) { chSysLock();
spip->spd_spi->CR1 |= SPI_CR1_SPE; /* SPI enable.*/
+
spip->spd_thread = currp;
chSchGoSleepS(PRSUSPENDED); /* Wait for completion event.*/
spip->spd_thread = NULL;
@@ -312,10 +313,8 @@ void spi_lld_unselect(SPIDriver *spip) { */
msg_t spi_lld_exchange(SPIDriver *spip, size_t n, void *rxbuf, void *txbuf) {
- spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_MINC |
- DMA_CCR1_TEIE | DMA_CCR1_EN;
- spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_MINC |
- DMA_CCR1_TEIE | DMA_CCR1_EN;
+ spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_MINC | DMA_CCR1_TEIE;
+ spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_MINC | DMA_CCR1_TEIE;
dma_start(spip, n, rxbuf, txbuf);
return spi_start_wait(spip);
}
@@ -335,10 +334,8 @@ msg_t spi_lld_exchange(SPIDriver *spip, size_t n, void *rxbuf, void *txbuf) { */
msg_t spi_lld_send(SPIDriver *spip, size_t n, void *txbuf) {
- spip->spd_dmarx->CCR = DMA_CCR1_TCIE |
- DMA_CCR1_TEIE | DMA_CCR1_EN;
- spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_MINC |
- DMA_CCR1_TEIE | DMA_CCR1_EN;
+ spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_TEIE;
+ spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_MINC | DMA_CCR1_TEIE;
dma_start(spip, n, &dummyrx, txbuf);
return spi_start_wait(spip);
}
@@ -358,10 +355,8 @@ msg_t spi_lld_send(SPIDriver *spip, size_t n, void *txbuf) { */
msg_t spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf) {
- spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_MINC |
- DMA_CCR1_TEIE | DMA_CCR1_EN;
- spip->spd_dmatx->CCR = DMA_CCR1_DIR |
- DMA_CCR1_TEIE | DMA_CCR1_EN;
+ spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_MINC | DMA_CCR1_TEIE;
+ spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_TEIE;
dma_start(spip, n, rxbuf, &dummytx);
return spi_start_wait(spip);
}
|