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update stm32f4 usart driver.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1978 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
wuyangyong 2012-02-28 09:39:55 +00:00
parent d6d7c4a851
commit b2d0a9c146
1 changed files with 1 additions and 1 deletions
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bsp/stm32f40x/drivers/usart.c
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@ -109,7 +109,7 @@ static void RCC_Configuration(void)
/* Enable USART2 GPIO clocks */ /* Enable USART2 GPIO clocks */
RCC_AHB1PeriphClockCmd(UART1_GPIO_RCC, ENABLE); RCC_AHB1PeriphClockCmd(UART1_GPIO_RCC, ENABLE);
/* Enable USART2 clock */ /* Enable USART2 clock */
RCC_APB1PeriphClockCmd(RCC_APBPeriph_UART1, ENABLE); RCC_APB2PeriphClockCmd(RCC_APBPeriph_UART1, ENABLE);
#endif #endif
#ifdef RT_USING_UART2 #ifdef RT_USING_UART2