RM48L952 CAN能发送数据,接收数据不能进入中断，请问这是什么原因？

本帖最后由 一只耳朵怪 于 2018-5-25 14:33 编辑

1.用HALCoGen驱动代码生成工具,生成步骤如下:
(1)图一:

（2）图二   传输速率是 bit rate: 100;

(3)图三   CAN2 Message1 配置:CANTX, 无中断 ,  CAN2 Message2 配置: CANRX VIM 中断.

(4)图4 中断设置

以上配置后生成代码..

“主函数 sys_main.c ”代码如下:
/* Include Files */
#include "sys_common.h"
#include "system.h"
#include "can.h"
#include "sys_core.h"
#include "esm.h"
#include "sys_vim.h"

void wait(uint32_t time);
void delay(uint32_t time);

unsigned char can_data[8] = [1, 2, 3, 4, 5, 6, 7, 8];
unsigned char can_data_ptr[8] = [0];
unsigned char ret = 0;
void main(void)
[
canInit(); /*can bus init*/
vimInit();
_enable_interrupt_(); /* enable irq interrupt in Cortex R4 */

while(1) /* continious display */
[
if(canTransmit(canREG2, canMESSAGE_BOX1, can_data) == 1) /* sender data from can1 */  能发送数据;
[
    ret = 1;
]
  delay(10000000);
// if(canIsRxMessageArrived(canREG2, canMESSAGE_BOX2)) /* receiver data for can2*/
// [
/* - When a message is ready, read it into can_data */
// while(!canGetData(canREG2, canMESSAGE_BOX2, can_data_ptr));
// ]
];
]
void canMessageNotification(canBASE_t *node, uint32 messageBox)      //中断函数, 接收数据时.中断函数不能进入中断...
[
/* enter user code between the USER CODE BEGIN and USER CODE END. */
if(canIsRxMessageArrived(canREG2, canMESSAGE_BOX2)) /* receiver data for can2*/
[
/* - When a message is ready, read it into can_data */
while(!canGetData(canREG2, canMESSAGE_BOX2, can_data_ptr));
]
/* USER CODE BEGIN (15) */
/* USER CODE END */
]
void wait(uint32_t time)
[
time--;
]
void delay(uint32_t time)
[
int i;
for(i = 0; i < time; i++)
[
wait(10000000);
]
]
调试工具采用CANUSB..