UART driver improvements.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2131 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 6 insertions, 25 deletions

diff --git a/os/hal/platforms/STM32/uart_lld.c b/os/hal/platforms/STM32/uart_lld.c
index f06ab2504..99373a401 100644
--- a/os/hal/platforms/STM32/uart_lld.c
+++ b/os/hal/platforms/STM32/uart_lld.c
@@ -168,7 +168,7 @@ static void serve_rx_end_irq(UARTDriver *uartp) {
 

   uartp->ud_rxstate = UART_RX_COMPLETE;

   if (uartp->ud_config->uc_rxend != NULL)

-    uartp->ud_config->uc_rxend();

+    uartp->ud_config->uc_rxend(uartp);

   /* If the callback didn't explicitly change state then the receiver

      automatically returns to the idle state.*/

   if (uartp->ud_rxstate == UART_RX_COMPLETE) {

@@ -187,7 +187,7 @@ static void serve_tx_end_irq(UARTDriver *uartp) {
   /* A callback is generated, if enabled, after a completed transfer.*/

   uartp->ud_txstate = UART_TX_COMPLETE;

   if (uartp->ud_config->uc_txend1 != NULL)

-    uartp->ud_config->uc_txend1();

+    uartp->ud_config->uc_txend1(uartp);

   /* If the callback didn't explicitly change state then the transmitter

      automatically returns to the idle state.*/

   if (uartp->ud_txstate == UART_TX_COMPLETE)

@@ -207,33 +207,14 @@ static void serve_usart_irq(UARTDriver *uartp) {
   if (sr & (USART_SR_LBD | USART_SR_ORE | USART_SR_NE |

             USART_SR_FE  | USART_SR_PE)) {

     u->SR = ~USART_SR_LBD;

-    if (uartp->ud_rxstate == UART_RX_IDLE) {

-      /* Receiver in idle state, a callback is generated, if enabled, for each

-         receive error and then the driver stays in the same state.*/

-      if (uartp->ud_config->uc_rxerr != NULL)

-        uartp->ud_config->uc_rxerr(translate_errors(sr));

-    }

-    else {

-      /* Receiver in active state, a callback is generated and the receive

-         operation aborts.*/

-      dmaDisableChannel(uartp->ud_dmap, uartp->ud_dmarx);

-      dmaClearChannel(uartp->ud_dmap, uartp->ud_dmarx);

-      uartp->ud_rxstate = UART_RX_ERROR;

-      if (uartp->ud_config->uc_rxerr != NULL)

-        uartp->ud_config->uc_rxerr(translate_errors(sr));

-      /* If the callback didn't explicitly change state then the receiver

-         automatically returns to the idle state.*/

-      if (uartp->ud_rxstate == UART_RX_ERROR) {

-        uartp->ud_rxstate = UART_RX_IDLE;

-        set_rx_idle_loop(uartp);

-      }

-    }

+    if (uartp->ud_config->uc_rxerr != NULL)

+      uartp->ud_config->uc_rxerr(uartp, translate_errors(sr));

   }

   if (sr & USART_SR_TC) {

     u->SR = ~USART_SR_TC;

     /* End of transmission, a callback is generated.*/

     if (uartp->ud_config->uc_txend2 != NULL)

-      uartp->ud_config->uc_txend2();

+      uartp->ud_config->uc_txend2(uartp);

   }

 }

 

@@ -322,7 +303,7 @@ CH_IRQ_HANDLER(DMA1_Ch6_IRQHandler) {
     /* Receiver in idle state, a callback is generated, if enabled, for each

        received character and then the driver stays in the same state.*/

     if (uartp->ud_config->uc_rxchar != NULL)

-      uartp->ud_config->uc_rxchar(uartp->ud_rxbuf);

+      uartp->ud_config->uc_rxchar(uartp, uartp->ud_rxbuf);

   }

   else {

     /* Receiver in active state, a callback is generated, if enabled, after