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authorwuyangyong <[email protected]>2011-09-30 04:27:02 +0000
committerwuyangyong <[email protected]>2011-09-30 04:27:02 +0000
commit9358c96e562d8bb1ca909b6e158a29511563dca0 (patch)
treef9539ef821a52b6ff2bc4286a21fcafe5b4c6a3c
parent1d2203fce05d7f7d13c0eb5bd9b96056ad7ed8d2 (diff)
update stm32f107 project
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1733 bbd45198-f89e-11dd-88c7-29a3b14d5316
-rw-r--r--bsp/stm32f107/stm32_rom.icf2
-rw-r--r--bsp/stm32f107/usart.c6
2 files changed, 6 insertions, 2 deletions
diff --git a/bsp/stm32f107/stm32_rom.icf b/bsp/stm32f107/stm32_rom.icf
index bf3e6860df..7b0836047b 100644
--- a/bsp/stm32f107/stm32_rom.icf
+++ b/bsp/stm32f107/stm32_rom.icf
@@ -31,4 +31,4 @@ place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
place in ROM_region { readonly };
place in RAM_region { readwrite,
- block CSTACK, block HEAP }; \ No newline at end of file
+ block CSTACK, last block HEAP }; \ No newline at end of file
diff --git a/bsp/stm32f107/usart.c b/bsp/stm32f107/usart.c
index 5c7144ec87..dc6b1485c7 100644
--- a/bsp/stm32f107/usart.c
+++ b/bsp/stm32f107/usart.c
@@ -189,7 +189,8 @@ static void NVIC_Configuration(void)
#ifdef RT_USING_UART1
/* Enable the USART1 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
#endif
@@ -197,6 +198,7 @@ static void NVIC_Configuration(void)
#ifdef RT_USING_UART2
/* Enable the USART2 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
@@ -205,12 +207,14 @@ static void NVIC_Configuration(void)
#ifdef RT_USING_UART3
/* Enable the USART3 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable the DMA1 Channel2 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel2_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);