STM32中CAN中断2

memcpy(ARPBUF->

memcpy(ARPBUF->

ARPBUF->

ARPBUF->

ARPBUF->

ARPBUF->

ARPBUF->

memcpy(ARPBUF->

memcpy(ARPBUF->

memcpy(ARPBUF->

switch ( HON( ARPBUF->

break;

case 1://10K

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_13tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 225;

break;

case 2: //50K

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_13tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 45;

break;

case 3: //100K

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_14tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_3tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 20;

break;

case 4://125K

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_13tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 18;

break;

case 5: //250K

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_13tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 9;

break;

case 6://500K

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_6tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_1tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 9;

break;

case 7: //1M

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_8tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_3tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 3;

break;

default://125K

CAN_InitStructure.CAN_SJW = CAN_SJW_1tq;

CAN_InitStructure.CAN_BS1 = CAN_BS1_13tq;//CAN_BS1_3tq;

CAN_InitStructure.CAN_BS2 = CAN_BS2_2tq;//CAN_BS2_5tq;

CAN_InitStructure.CAN_Prescaler = 18;

break;

}

}

CAN_Init(CAN1, &CAN_InitStructure);

}

void CAN_SetAddr(uint8_t addr)

{

uint32_t address;

//uint32_t addrmask;

address=addr;

address=address<(13+3);

//addrmask=(0xff<(13+3));

CAN_FilterInitStructure.CAN_FilterNumber=0;

CAN_FilterInitStructure.CAN_FilterMode=CAN_FilterMode_IdMask;

CAN_FilterInitStructure.CAN_FilterScale=CAN_FilterScale_32bit;

CAN_FilterInitStructure.CAN_FilterIdHigh = (((u32)address)&0xFFFF0000)>>16;

CAN_FilterInitStructure.CAN_FilterIdLow = (((u32)address)|CAN_ID_EXT|CAN_RTR_DATA)&0xFFFF;

CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0x00ff;

CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0x05;

//CAN_FilterInitStructure.CAN_FilterMaskIdHigh = 0;

//CAN_FilterInitStructure.CAN_FilterMaskIdLow = 0;

CAN_FilterInitStructure.CAN_FilterFIFOAssignment=0;

CAN_FilterInitStructure.CAN_FilterActivation=ENABLE;

CAN_FilterInit(&CAN_FilterInitStructure);

}

void CAN_InitEx(uint8_t addr,uint8_t uBaud)

{

GPIO_InitTypeDef GPIO_InitStructure;

NVIC_InitTypeDef NVIC_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO |RCC_APB2Periph_GPIO_CAN1, ENABLE);

RCC_APB1PeriphClockCmd(RCC_APB1Periph_CAN1, ENABLE);

#ifndef AMP12_CAN

GPIO_PinRemapConfig(GPIO_Remap1_CAN1 , ENABLE);

#endif

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_CAN_RX;

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIO_CAN, &GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_CAN_TX;

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;