Merge branch 'bugfix/can_critical_section_compliance_backport_v4.0' into 'release/v4.0'
CAN: Fix critical section compliance (backport v4.0) See merge request espressif/esp-idf!6568
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commit
4f946ea00e
1 changed files with 6 additions and 4 deletions
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@ -136,8 +136,10 @@ typedef struct {
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static can_obj_t *p_can_obj = NULL;
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static portMUX_TYPE can_spinlock = portMUX_INITIALIZER_UNLOCKED;
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#define CAN_ENTER_CRITICAL() portENTER_CRITICAL(&can_spinlock)
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#define CAN_EXIT_CRITICAL() portEXIT_CRITICAL(&can_spinlock)
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#define CAN_ENTER_CRITICAL_ISR() portENTER_CRITICAL_ISR(&can_spinlock)
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#define CAN_EXIT_CRITICAL_ISR() portEXIT_CRITICAL_ISR(&can_spinlock)
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#define CAN_ENTER_CRITICAL() portENTER_CRITICAL(&can_spinlock)
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#define CAN_EXIT_CRITICAL() portEXIT_CRITICAL(&can_spinlock)
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/* ------------------- Configuration Register Functions---------------------- */
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@ -479,7 +481,7 @@ static void can_intr_handler_main(void *arg)
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can_status_reg_t status;
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can_intr_reg_t intr_reason;
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CAN_ENTER_CRITICAL();
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CAN_ENTER_CRITICAL_ISR();
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status.val = can_get_status();
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intr_reason.val = (p_can_obj != NULL) ? can_get_interrupt_reason() : 0; //Incase intr occurs whilst driver is being uninstalled
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@ -519,7 +521,7 @@ static void can_intr_handler_main(void *arg)
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}
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/* Todo: Check possible bug where transmitting self reception request then
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clearing rx buffer will cancel the transmission. */
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CAN_EXIT_CRITICAL();
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CAN_EXIT_CRITICAL_ISR();
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if (p_can_obj->alert_semphr != NULL && alert_req) {
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//Give semaphore if alerts were triggered
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