按照官方配置，配置完can接收，采用中断接收，debug时进不了中断。有没有遇到类似情况的？求解答。
void InitECan(void) // Initialize eCAN-B module
{
struct ECAN_REGS ECanbShadow;
EALLOW; // EALLOW enables access to protected bits
//配置GPIO工作在额eCAN功能
GpioCtrlRegs.GPAPUD.bit.GPIO16 = 1; // Disable pull-up for GPIO16 (CANTXB)
GpioCtrlRegs.GPAPUD.bit.GPIO17 = 0; // Enable pull-up for GPIO17 (CANRXB)
GpioCtrlRegs.GPAQSEL2.bit.GPIO17 = 3; // Asynch qual for GPIO17 (CANRXB)
GpioCtrlRegs.GPAMUX2.bit.GPIO16 = 2; // Configure GPIO16 for CANTXB operation
GpioCtrlRegs.GPAMUX2.bit.GPIO17 = 2; // Configure GPIO17 for CANRXB operation
//配置eCAN的RX和TX分别为eCAN的接收和发射引脚
ECanbShadow.CANTIOC.all = ECanbRegs.CANTIOC.all;
ECanbShadow.CANTIOC.bit.TXFUNC = 1;
ECanbRegs.CANTIOC.all = ECanbShadow.CANTIOC.all;
ECanbShadow.CANRIOC.all = ECanbRegs.CANRIOC.all;
ECanbShadow.CANRIOC.bit.RXFUNC = 1;
ECanbRegs.CANRIOC.all = ECanbShadow.CANRIOC.all;
/* Configure bit timing parameters for eCANB*/
ECanbShadow.CANMC.all = ECanbRegs.CANMC.all;
ECanbShadow.CANMC.bit.CCR = 1 ; // Set CCR = 1
ECanbRegs.CANMC.all = ECanbShadow.CANMC.all;
ECanbShadow.CANES.all = ECanbRegs.CANES.all;
do
{ECanbShadow.CANES.bit.CCE=ECanbRegs.CANES.bit.CCE;}
while(ECanbShadow.CANES.bit.CCE != 1 ) ; // Wait for CCE bit to be set..CCE等于1时跳出循环，则可以对CANBTC设置
//设置通信波特率
ECanbShadow.CANBTC.all = ECanbRegs.CANBTC.all;
ECanbShadow.CANBTC.bit.BRPREG = 9;
/*150/10=15*/
ECanbShadow.CANBTC.bit.TSEG2REG = 2;
ECanbShadow.CANBTC.bit.TSEG1REG = 10;
ECanbRegs.CANBTC.all = ECanbShadow.CANBTC.all;
ECanbShadow.CANMC.all = ECanbRegs.CANMC.all;
ECanbShadow.CANMC.bit.STM = 0; //工作在正常模式
ECanbShadow.CANMC.bit.DBO = 1;
ECanbShadow.CANMC.bit.SCB = 1;
ECanbRegs.CANMC.all = ECanbShadow.CANMC.all;
do
{
// ECanbShadow.CANES.all = ECanbRegs.CANES.all;
ECanbShadow.CANES.bit.CCE = 0;
} while(ECanbShadow.CANES.bit.CCE != 0 ); // Wait for CCE bit to be cleared..
//初始化所有主设备控制区域为0，MCF所有的位都初始化为0
ECanbMboxes.MBOX0.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX1.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX2.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX3.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX4.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX5.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX6.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX7.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX8.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX9.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX10.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX11.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX12.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX13.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX14.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX15.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX16.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX17.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX18.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX19.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX20.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX21.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX22.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX23.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX24.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX25.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX26.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX27.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX28.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX29.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX30.MSGCTRL.all = 0x00000000;
ECanbMboxes.MBOX31.MSGCTRL.all = 0x00000000;
// TAn, RMPn, GIFn bits are all zero upon reset and are cleared again
// as a matter of precaution.
ECanbShadow.CANTA.all = ECanbRegs.CANTA.all;
ECanbShadow.CANTA.all = 0xFFFFFFFF;
ECanbRegs.CANTA.all = ECanbShadow.CANTA.all;
ECanbShadow.CANRMP.all = ECanbRegs.CANRMP.all;
ECanbShadow.CANRMP.all = 0xFFFFFFFF;
ECanbRegs.CANRMP.all = ECanbShadow.CANRMP.all;
ECanbShadow.CANGIF0.all = ECanbRegs.CANGIF0.all;
ECanbShadow.CANGIF0.all = 0xFFFFFFFF;
ECanbRegs.CANGIF0.all = ECanbShadow.CANGIF0.all;
ECanbShadow.CANGIF1.all = ECanbRegs.CANGIF1.all;
ECanbShadow.CANGIF1.all = 0xFFFFFFFF;
ECanbRegs.CANGIF1.all = ECanbShadow.CANGIF1.all;
EALLOW;
/* Mailbox interrupt is disable*/
ECanbShadow.CANGIM.all = 0x00000000;
ECanbRegs.CANGIM.all = ECanbShadow.CANGIM.all;
ECanbShadow.CANMIM.all = 0x00000000;
ECanbRegs.CANMIM.all = ECanbShadow.CANMIM.all;
ECanbShadow.CANMIL.all = 0xFFFFFFFF;
ECanbRegs.CANMIL.all = ECanbShadow.CANMIL.all;
EDIS;
/* Set ECan mailboxs */
ECanbRegs.CANME.all = 0x00000000;
//The ID of sendmail
ECanbMboxes.MBOX0.MSGID.all = 0xCF00FFFF; //CF00FFFF 1100 1111 0000 0000 1111 1111 1111 1111
//The ID of receivemail
ECanbMboxes.MBOX16.MSGID.all = 0x80C20000;//CF02FFFF 1100 1111 0000 0010 1111 1111 1111 1111
/*数据长度为8byte*/
ECanbMboxes.MBOX0.MSGCTRL.bit.DLC = 8;
ECanbMboxes.MBOX16.MSGCTRL.bit.DLC = 8;
/*The mail0 is TX;The mail16 is RX*/
ECanbShadow.CANMD.all = ECanbRegs.CANMD.all;
ECanbShadow.CANMD.bit.MD0 =0;
ECanbShadow.CANMD.bit.MD16 =1;
ECanbRegs.CANMD.all = ECanbShadow.CANMD.all;
ECanbShadow.CANME.all = ECanbRegs.CANME.all;
ECanbShadow.CANME.all = 0x00010001; // Required before writing the MSGIDs 0000 0000 0000 0001 0000 0000 0000 0001
ECanbRegs.CANME.all = ECanbShadow.CANME.all;
// /*没有远方应答帧被请求*/
ECanbMboxes.MBOX16.MSGCTRL.bit.RTR = 0;
//邮箱屏蔽使能
ECanbRegs.CANMIM.all = 0xFFFFFFFF;
//邮箱中断将产生在ECAN0INT
ECanbRegs.CANMIL.all = 0;
ECanbRegs.CANGIF0.all = 0xFFFFFFFF;
//ECAN0INT中断请求被使能
ECanbRegs.CANGIM.bit.I0EN = 1;
EDIS;
}
