diff options
| -rw-r--r-- | ports/stm32/fdcan.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/ports/stm32/fdcan.c b/ports/stm32/fdcan.c index 3ab72cdac..2892572f4 100644 --- a/ports/stm32/fdcan.c +++ b/ports/stm32/fdcan.c @@ -215,10 +215,12 @@ int can_receive(FDCAN_HandleTypeDef *can, int fifo, FDCAN_RxHeaderTypeDef *hdr, // Wait for a message to become available, with timeout uint32_t start = HAL_GetTick(); while ((*rxf & fl) == 0) { - MICROPY_EVENT_POLL_HOOK - if (HAL_GetTick() - start >= timeout_ms) { - return -MP_ETIMEDOUT; + if (timeout_ms != HAL_MAX_DELAY) { + if (HAL_GetTick() - start >= timeout_ms) { + return -MP_ETIMEDOUT; + } } + MICROPY_EVENT_POLL_HOOK } // Get pointer to incoming message |