diff options
| author | bernard.xiong <[email protected]> | 2009-11-18 07:47:29 +0000 |
|---|---|---|
| committer | bernard.xiong <[email protected]> | 2009-11-18 07:47:29 +0000 |
| commit | 37b29e879e9918f2d9ea7f959b28d340bc24d2d3 (patch) | |
| tree | 8786205a86dff55839b79888b0b59b9e49fbb1f4 /libcpu/arm | |
| parent | b4f84d0e7234a8ddc439b21f99307864f4c48a73 (diff) | |
fix the serial Tx interrupt clean issue @ reported by softwind.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@169 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'libcpu/arm')
| -rw-r--r-- | libcpu/arm/stm32/serial.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libcpu/arm/stm32/serial.c b/libcpu/arm/stm32/serial.c index 7d4795a9ad..54c8290687 100644 --- a/libcpu/arm/stm32/serial.c +++ b/libcpu/arm/stm32/serial.c @@ -489,7 +489,7 @@ void rt_hw_serial_isr(rt_device_t device) uart->int_tx->write_index = 0; /* clear interrupt */ - USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE); + USART_ClearITPendingBit(uart->uart_device, USART_IT_TC); /* start next transmission */ if (uart->int_tx->write_index < |