NUVOTON: CAN: Fix filter mask

NOTE: This fix only targets CAN (M453/M487), not CAN-FD (M467). NOTE: NUC472 CAN doesn't support filter.
ARMmbed · Apr 18, 2024 · 63bdb26 · 63bdb26
1 parent 7ae592d
commit 63bdb26
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/targets/TARGET_NUVOTON/TARGET_M451/can_api.c b/targets/TARGET_NUVOTON/TARGET_M451/can_api.c
@@ -294,7 +294,7 @@ int can_filter(can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t
  {
  numask = (mask << 18);
  }
- numask = (numask | CAN_IF_MASK2_MDIR_Msk | CAN_IF_MASK2_MXTD_Msk);
+ numask = (numask | ((CAN_IF_MASK2_MDIR_Msk | CAN_IF_MASK2_MXTD_Msk) << 16));
  return CAN_SetRxMsgAndMsk((CAN_T *)NU_MODBASE(obj->can), handle, (uint32_t)format, id, numask);
 }
 

diff --git a/targets/TARGET_NUVOTON/TARGET_M480/can_api.c b/targets/TARGET_NUVOTON/TARGET_M480/can_api.c
@@ -341,7 +341,7 @@ int can_filter(can_t *obj, uint32_t id, uint32_t mask, CANFormat format, int32_t
  {
  numask = (mask << 18);
  }
- numask = (numask | CAN_IF_MASK2_MDIR_Msk | CAN_IF_MASK2_MXTD_Msk);
+ numask = (numask | ((CAN_IF_MASK2_MDIR_Msk | CAN_IF_MASK2_MXTD_Msk) << 16));
  return CAN_SetRxMsgAndMsk((CAN_T *)NU_MODBASE(obj->can), handle, (uint32_t)format, id, numask);
 }