diff options
| author | quintin <[email protected]> | 2015-08-31 14:57:01 +0800 |
|---|---|---|
| committer | quintin <[email protected]> | 2015-08-31 14:57:01 +0800 |
| commit | 23b5fe5239a00260dfafb321112760b6200c377f (patch) | |
| tree | 009e1ef94ec62f7f49b2828ac0d2b9c0a7c7d957 | |
| parent | 551a663078fbc306fa66c0cb2829722b9eb1c866 (diff) | |
fix DMA tx mod tx_dma->activated flag init bug.
| -rw-r--r-- | components/drivers/serial/serial.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/components/drivers/serial/serial.c b/components/drivers/serial/serial.c index 8744aa4657..f5a199e10b 100644 --- a/components/drivers/serial/serial.c +++ b/components/drivers/serial/serial.c @@ -27,6 +27,8 @@ * the size of ring buffer. * 2014-07-10 bernard rewrite serial framework * 2014-12-31 bernard use open_flag for poll_tx stream mode. + * 2015-05-19 Quintin fix DMA tx mod tx_dma->activated flag !=RT_FALSE BUG + * in open function. */ #include <rthw.h> @@ -302,6 +304,7 @@ static rt_err_t rt_serial_open(struct rt_device *dev, rt_uint16_t oflag) tx_dma = (struct rt_serial_tx_dma*) rt_malloc (sizeof(struct rt_serial_tx_dma)); RT_ASSERT(tx_dma != RT_NULL); + tx_dma->activated = RT_FALSE; rt_data_queue_init(&(tx_dma->data_queue), 8, 4, RT_NULL); serial->serial_tx = tx_dma; |