diff options
Diffstat (limited to 'os/io/platforms/STM32/spi_lld.c')
| -rw-r--r-- | os/io/platforms/STM32/spi_lld.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/os/io/platforms/STM32/spi_lld.c b/os/io/platforms/STM32/spi_lld.c index b92dafe6e..087319c5d 100644 --- a/os/io/platforms/STM32/spi_lld.c +++ b/os/io/platforms/STM32/spi_lld.c @@ -61,7 +61,7 @@ static void spi_stop(SPIDriver *spip) { }
static void spi_start_wait(SPIDriver *spip, size_t n,
- void *rxbuf, void *txbuf) {
+ const void *txbuf, void *rxbuf) {
uint32_t ccr;
/* Common DMA setup.*/
@@ -294,7 +294,7 @@ void spi_lld_ignore(SPIDriver *spip, size_t n) { spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_TEIE;
spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_TEIE;
- spi_start_wait(spip, n, &dummyrx, &dummytx);
+ spi_start_wait(spip, n, &dummytx, &dummyrx);
}
/**
@@ -309,11 +309,12 @@ void spi_lld_ignore(SPIDriver *spip, size_t n) { * @note The buffers are organized as uint8_t arrays for data sizes below or
* equal to 8 bits else it is organized as uint16_t arrays.
*/
-void spi_lld_exchange(SPIDriver *spip, size_t n, void *txbuf, void *rxbuf) {
+void spi_lld_exchange(SPIDriver *spip, size_t n,
+ const void *txbuf, void *rxbuf) {
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;
- spi_start_wait(spip, n, rxbuf, txbuf);
+ spi_start_wait(spip, n, txbuf, rxbuf);
}
/**
@@ -326,11 +327,11 @@ void spi_lld_exchange(SPIDriver *spip, size_t n, void *txbuf, void *rxbuf) { * @note The buffers are organized as uint8_t arrays for data sizes below or
* equal to 8 bits else it is organized as uint16_t arrays.
*/
-void spi_lld_send(SPIDriver *spip, size_t n, void *txbuf) {
+void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf) {
spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_TEIE;
spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_MINC | DMA_CCR1_TEIE;
- spi_start_wait(spip, n, &dummyrx, txbuf);
+ spi_start_wait(spip, n, txbuf, &dummyrx);
}
/**
@@ -347,7 +348,7 @@ void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf) { spip->spd_dmarx->CCR = DMA_CCR1_TCIE | DMA_CCR1_MINC | DMA_CCR1_TEIE;
spip->spd_dmatx->CCR = DMA_CCR1_DIR | DMA_CCR1_TEIE;
- spi_start_wait(spip, n, rxbuf, &dummytx);
+ spi_start_wait(spip, n, &dummytx, rxbuf);
}
/** @} */
|