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fix(twai): fixed twai assert fail when recover

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driver try start new frame in ISR however already bus off

Closes https://github.com/espressif/esp-idf/issues/9697
This commit is contained in:
diplfranzhoepfinger
2025-02-27 14:14:42 +01:00
committed by wanckl
parent bdd9077b6e
commit fd6ed42d7c
2 changed files with 7 additions and 4 deletions
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8
components/driver/twai/twai.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -196,8 +196,10 @@ static inline void twai_handle_tx_buffer_frame(twai_obj_t *p_twai_obj, BaseType_
p_twai_obj->tx_msg_count--;
assert(p_twai_obj->tx_msg_count >= 0); //Sanity check
//Check if there are more frames to transmit
if (p_twai_obj->tx_msg_count > 0 && p_twai_obj->tx_queue != NULL) {
//If not bus-off, check if there are more frames to transmit
if (!twai_hal_check_state_flags(&p_twai_obj->hal, TWAI_HAL_STATE_FLAG_BUS_OFF)
&& p_twai_obj->tx_msg_count > 0
&& p_twai_obj->tx_queue != NULL) {
twai_hal_frame_t frame;
int res = xQueueReceiveFromISR(p_twai_obj->tx_queue, &frame, task_woken);
if (res == pdTRUE) {