diff options
Diffstat (limited to 'os/hal/platforms/STM32/can_lld.c')
-rw-r--r-- | os/hal/platforms/STM32/can_lld.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/can_lld.c b/os/hal/platforms/STM32/can_lld.c index 7a9970c30..3c8a17b84 100644 --- a/os/hal/platforms/STM32/can_lld.c +++ b/os/hal/platforms/STM32/can_lld.c @@ -59,6 +59,8 @@ CH_IRQ_HANDLER(Vector8C) { /* No more events until a message is transmitted.*/
CAN1->TSR = CAN_TSR_RQCP0 | CAN_TSR_RQCP1 | CAN_TSR_RQCP2;
+ while (chSemGetCounterI(&CAND1.cd_txsem) < 0)
+ chSemSignalI(&CAND1.cd_txsem);
chEvtBroadcastI(&CAND1.cd_txempty_event);
CH_IRQ_EPILOGUE();
@@ -77,6 +79,8 @@ CH_IRQ_HANDLER(Vector90) { if ((rf0r & CAN_RF0R_FMP0) > 0) {
/* No more receive events until the queue 0 has been emptied.*/
CAN1->IER &= ~CAN_IER_FMPIE0;
+ while (chSemGetCounterI(&CAND1.cd_rxsem) < 0)
+ chSemSignalI(&CAND1.cd_rxsem);
chEvtBroadcastI(&CAND1.cd_rxfull_event);
}
if ((rf0r & CAN_RF0R_FOVR0) > 0) {
|