diff options
Diffstat (limited to 'os/hal/platforms/STM32/can_lld.c')
-rw-r--r-- | os/hal/platforms/STM32/can_lld.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32/can_lld.c b/os/hal/platforms/STM32/can_lld.c index 7dab31faf..382322fff 100644 --- a/os/hal/platforms/STM32/can_lld.c +++ b/os/hal/platforms/STM32/can_lld.c @@ -569,7 +569,8 @@ bool_t can_lld_is_rx_nonempty(CANDriver *canp, canmbx_t mailbox) { switch (mailbox) {
case CAN_ANY_MAILBOX:
- return (canp->can->RF0R & (CAN_RF0R_FMP0 | CAN_RF1R_FMP1)) != 0;
+ return ((canp->can->RF0R & CAN_RF0R_FMP0) != 0 ||
+ (canp->can->RF1R & CAN_RF1R_FMP1) != 0);
case 1:
return (canp->can->RF0R & CAN_RF0R_FMP0) != 0;
case 2:
|