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M451 CAN API support mask feature

pull/15020/head
cyliangtw 2021-08-24 19:14:27 +08:00
parent a33dc4e371
commit f28181c32a
1 changed files with 11 additions and 1 deletions
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12
targets/TARGET_NUVOTON/TARGET_M451/can_api.c
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@ -285,7 +285,17 @@ int can_mode(can_t *obj, CanMode mode)
int can_filter(can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t handle) int can_filter(can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t handle)
{ {
return CAN_SetRxMsg((CAN_T *)NU_MODBASE(obj->can), handle , (uint32_t)format, id); uint32_t numask = mask;
if( numask == 0x0000 )
{
return CAN_SetRxMsg((CAN_T *)NU_MODBASE(obj->can), handle, (uint32_t)format, id);
}
if( format == CANStandard )
{
numask = (mask << 18);
}
numask = (numask | CAN_IF_MASK2_MDIR_Msk | CAN_IF_MASK2_MXTD_Msk);
return CAN_SetRxMsgAndMsk((CAN_T *)NU_MODBASE(obj->can), handle, (uint32_t)format, id, numask);
} }