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stm32/fdcan: Support maximum timeout of HAL_MAX_DELAY in can_receive.

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iabdalkader 2020-06-30 23:08:20 +02:00 committed by Damien George
parent 63b2eb27d4
commit d07073f4e2
1 changed files with 5 additions and 3 deletions
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4
ports/stm32/fdcan.c
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@ -215,11 +215,13 @@ int can_receive(FDCAN_HandleTypeDef *can, int fifo, FDCAN_RxHeaderTypeDef *hdr,
// Wait for a message to become available, with timeout // Wait for a message to become available, with timeout
uint32_t start = HAL_GetTick(); uint32_t start = HAL_GetTick();
while ((*rxf & fl) == 0) { while ((*rxf & fl) == 0) {
MICROPY_EVENT_POLL_HOOK if (timeout_ms != HAL_MAX_DELAY) {
if (HAL_GetTick() - start >= timeout_ms) { if (HAL_GetTick() - start >= timeout_ms) {
return -MP_ETIMEDOUT; return -MP_ETIMEDOUT;
} }
} }
MICROPY_EVENT_POLL_HOOK
}
// Get pointer to incoming message // Get pointer to incoming message
uint32_t index, *address; uint32_t index, *address;