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correct bxcan init error

This commit is contained in:
Aubr.Cool 2015-05-26 14:43:46 +08:00
parent 951fd5429c
commit b155067b6b
1 changed files with 9 additions and 11 deletions
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20
bsp/stm32f10x/drivers/bxcan.c
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@ -262,8 +262,6 @@ static void bxcan1_hw_init(void)
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOA, &GPIO_InitStructure);
@ -273,9 +271,6 @@ static void bxcan1_hw_init(void)
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1 , ENABLE);
CAN_DeInit(CAN1);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = CAN1_RX0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x1;
@ -292,8 +287,6 @@ static void bxcan2_hw_init(void)
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_Init(GPIOB, &GPIO_InitStructure);
@ -302,10 +295,6 @@ static void bxcan2_hw_init(void)
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN2, ENABLE);
CAN_DeInit(CAN2);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = CAN2_RX0_IRQn;
@ -1371,6 +1360,9 @@ int stm32_bxcan_init(void)
{
#ifdef USING_BXCAN1
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1 , ENABLE);
CAN_DeInit(CAN1);
bxcan1.config.baud_rate=CAN1MBaud;
bxcan1.config.msgboxsz=16;
bxcan1.config.sndboxnumber=3;
@ -1389,6 +1381,12 @@ int stm32_bxcan_init(void)
#endif
#ifdef USING_BXCAN2
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOB, ENABLE);
#ifndef USING_BXCAN1
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1 , ENABLE);
#endif
RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN2, ENABLE);
CAN_DeInit(CAN2);
bxcan2.config.baud_rate=CAN1MBaud;
bxcan2.config.msgboxsz=16;
bxcan2.config.sndboxnumber=3;