Fixed bug #630.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8217 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 4 insertions, 9 deletions

diff --git a/os/hal/ports/STM32/LLD/SPIv1/i2s_lld.c b/os/hal/ports/STM32/LLD/SPIv1/i2s_lld.c
index 821688d51..6be5df7bd 100644
--- a/os/hal/ports/STM32/LLD/SPIv1/i2s_lld.c
+++ b/os/hal/ports/STM32/LLD/SPIv1/i2s_lld.c
@@ -342,15 +342,6 @@ void i2s_lld_start(I2SDriver *i2sp) {
 #endif

     }

 #endif

-

-    if (NULL != i2sp->dmarx) {

-      dmaStreamSetMode(i2sp->dmarx, i2sp->rxdmamode);

-      dmaStreamSetPeripheral(i2sp->dmarx, &i2sp->spi->DR);

-    }

-    if (NULL != i2sp->dmatx) {

-      dmaStreamSetMode(i2sp->dmatx, i2sp->txdmamode);

-      dmaStreamSetPeripheral(i2sp->dmatx, &i2sp->spi->DR);

-    }

   }

 

   /* I2S (re)configuration.*/

@@ -412,6 +403,8 @@ void i2s_lld_start_exchange(I2SDriver *i2sp) {
 

   /* RX DMA setup.*/

   if (NULL != i2sp->dmarx) {

+    dmaStreamSetMode(i2sp->dmarx, i2sp->rxdmamode);

+    dmaStreamSetPeripheral(i2sp->dmarx, &i2sp->spi->DR);

     dmaStreamSetMemory0(i2sp->dmarx, i2sp->config->rx_buffer);

     dmaStreamSetTransactionSize(i2sp->dmarx, size);

     dmaStreamEnable(i2sp->dmarx);

@@ -419,6 +412,8 @@ void i2s_lld_start_exchange(I2SDriver *i2sp) {
 

   /* TX DMA setup.*/

   if (NULL != i2sp->dmatx) {

+    dmaStreamSetMode(i2sp->dmatx, i2sp->txdmamode);

+    dmaStreamSetPeripheral(i2sp->dmatx, &i2sp->spi->DR);

     dmaStreamSetMemory0(i2sp->dmatx, i2sp->config->tx_buffer);

     dmaStreamSetTransactionSize(i2sp->dmatx, size);

     dmaStreamEnable(i2sp->dmatx);