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add invoke callback after serial DMA transmit complete in serial.c 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2387 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
dzzxzz@gmail.com 2012-11-03 13:56:14 +00:00
parent 5334925454
commit d0cba80c07
1 changed files with 6 additions and 0 deletions
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6
components/drivers/serial/serial.c
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@ -439,4 +439,10 @@ void rt_hw_serial_dma_tx_isr(struct rt_serial_device *serial)
{ {
serial->dma_flag = RT_FALSE; serial->dma_flag = RT_FALSE;
} }
/* invoke callback */
if (serial->parent.tx_complete != RT_NULL)
{
serial->parent.tx_complete(&serial->parent, RT_NULL);
}
} }