void can_irq_free(can_t *obj)
{
CAN_DisableInt((CAN_T *)NU_MODBASE(obj->can), (CAN_CON_IE_Msk|CAN_CON_SIE_Msk|CAN_CON_EIE_Msk));
can_irq_ids[obj->index] = 0;
NVIC_DisableIRQ(CAN0_IRQn);
}
void Test_SetMaskFilter()
{
STR_CANMASK_T MaskMsg;
CAN_EnableInt(CAN_CON_IE);
CAN_InstallCallback(CALLBACK_MSG, (CAN_CALLBACK)CAN_CallbackFn);
/* Set b'0' means don't care*/
/* Set Messge Object No.0 mask ID */
MaskMsg.u8Xtd = 1;
MaskMsg.u8Dir = 1;
MaskMsg.u8IdType = 0; /* 1:EXT or 0:STD */
MaskMsg.u32Id = 0x707;
CAN_SetMsgObjMask(MSG(0),&MaskMsg);
CAN_SetRxMsgObj(MSG(0), CAN_STD_ID, 0x7FF , TRUE);
printf("The sample code should be with Item[4]\n\n");
printf("Set Receive Message Object Contect\n");
printf("===================================\n");
printf("Message Object No.0 :Receive STD_ID:0x7FF\n\n\n");
printf("Set Mask Content\n");
printf("==========================\n");
printf("Compare Xtd: %s\n",MaskMsg.u8Xtd?"YES":"NO");
printf("Compare Dir: %s\n",MaskMsg.u8Dir?"YES":"NO");
printf("Compare MaskID:%s 0x%x\n\n\n",MaskMsg.u8IdType? "EXT":"STD",MaskMsg.u32Id);
printf("If there is a message-ID 0x700~0x70F,\n ONLY 0x707/0x70F can pass acceptance filter.\n");
printf("Waiting Message\n");
SYS_SysTickDelay(100000);
GetChar();
CAN_UninstallCallback(CALLBACK_MSG);
CAN_DisableInt(CAN_CON_IE);
}
