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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2097 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2010-07-30 12:55:50 +00:00
parent a88c4972cf
commit 5ff9f39050
1 changed files with 6 additions and 4 deletions
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10
os/hal/platforms/STM32/uart_lld.c
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@ -371,9 +371,10 @@ void uart_lld_stop(UARTDriver *uartp) {
*/
void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf) {
(void)uartp;
(void)n;
(void)txbuf;
/* TX DMA channel preparation and start.*/
dmaSetupChannel(uartp->ud_dmap, uartp->ud_dmatx, n, &uartp->ud_txbuf,
uartp->ud_dmaccr | DMA_CCR1_TEIE | DMA_CCR1_TCIE);
dmaEnableChannel(uartp->ud_dmap, uartp->ud_dmatx);
}
/**
@ -384,7 +385,8 @@ void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf) {
*/
void uart_lld_stop_send(UARTDriver *uartp) {
(void)uartp;
dmaDisableChannel(uartp->ud_dmap, uartp->ud_dmatx);
dmaClearChannel(uartp->ud_dmap, uartp->ud_dmatx);
}
/**