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feat(gptimer): support set interrupt priority

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Related forum post: https://esp32.com/viewtopic.php?f=13&t=34959
This commit is contained in:
morris
2023-08-02 11:26:47 +08:00
parent e297470e62
commit c32cabc7f8
6 changed files with 20 additions and 3 deletions
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12
components/driver/gptimer/gptimer.c
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@@ -108,8 +108,12 @@ esp_err_t gptimer_new_timer(const gptimer_config_t *config, gptimer_handle_t *re
#endif
esp_err_t ret = ESP_OK;
gptimer_t *timer = NULL;
ESP_GOTO_ON_FALSE(config && ret_timer, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
ESP_GOTO_ON_FALSE(config->resolution_hz, ESP_ERR_INVALID_ARG, err, TAG, "invalid timer resolution:%"PRIu32, config->resolution_hz);
ESP_RETURN_ON_FALSE(config && ret_timer, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
ESP_RETURN_ON_FALSE(config->resolution_hz, ESP_ERR_INVALID_ARG, TAG, "invalid timer resolution:%"PRIu32, config->resolution_hz);
if (config->intr_priority) {
ESP_RETURN_ON_FALSE(1 << (config->intr_priority) & GPTIMER_ALLOW_INTR_PRIORITY_MASK, ESP_ERR_INVALID_ARG,
TAG, "invalid interrupt priority:%d", config->intr_priority);
}
timer = heap_caps_calloc(1, sizeof(gptimer_t), GPTIMER_MEM_ALLOC_CAPS);
ESP_GOTO_ON_FALSE(timer, ESP_ERR_NO_MEM, err, TAG, "no mem for gptimer");
@@ -138,6 +142,7 @@ esp_err_t gptimer_new_timer(const gptimer_config_t *config, gptimer_handle_t *re
// put the timer driver to the init state
atomic_init(&timer->fsm, GPTIMER_FSM_INIT);
timer->direction = config->direction;
timer->intr_priority = config->intr_priority;
timer->flags.intr_shared = config->flags.intr_shared;
ESP_LOGD(TAG, "new gptimer (%d,%d) at %p, resolution=%"PRIu32"Hz", group_id, timer_id, timer, timer->resolution_hz);
*ret_timer = timer;
@@ -234,6 +239,9 @@ esp_err_t gptimer_register_event_callbacks(gptimer_handle_t timer, const gptimer
ESP_RETURN_ON_FALSE(atomic_load(&timer->fsm) == GPTIMER_FSM_INIT, ESP_ERR_INVALID_STATE, TAG, "timer not in init state");
// if user wants to control the interrupt allocation more precisely, we can expose more flags in `gptimer_config_t`
int isr_flags = timer->flags.intr_shared ? ESP_INTR_FLAG_SHARED | GPTIMER_INTR_ALLOC_FLAGS : GPTIMER_INTR_ALLOC_FLAGS;
if (timer->intr_priority) {
isr_flags |= 1 << (timer->intr_priority);
}
ESP_RETURN_ON_ERROR(esp_intr_alloc_intrstatus(timer_group_periph_signals.groups[group_id].timer_irq_id[timer_id], isr_flags,
(uint32_t)timer_ll_get_intr_status_reg(timer->hal.dev), TIMER_LL_EVENT_ALARM(timer_id),
gptimer_default_isr, timer, &timer->intr), TAG, "install interrupt service failed");