alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-11-26 12:50:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

driver: add doc on how to unregister event callbacks

Browse Source 
Closes https://github.com/espressif/esp-idf/pull/9523
This commit is contained in:
morris
2022-08-08 15:47:30 +08:00
parent 0d881fc9e0
commit 970d4cab09
10 changed files with 18 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
components/driver/gptimer.c
View File

@@ -245,7 +245,6 @@ esp_err_t gptimer_register_event_callbacks(gptimer_handle_t timer, const gptimer
{
gptimer_group_t *group = NULL;
ESP_RETURN_ON_FALSE(timer && cbs, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
ESP_RETURN_ON_FALSE(timer->fsm == GPTIMER_FSM_INIT, ESP_ERR_INVALID_STATE, TAG, "timer not in init state");
group = timer->group;
int group_id = group->group_id;
int timer_id = timer->timer_id;
@@ -261,6 +260,7 @@ esp_err_t gptimer_register_event_callbacks(gptimer_handle_t timer, const gptimer
// lazy install interrupt service
if (!timer->intr) {
ESP_RETURN_ON_FALSE(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;
ESP_RETURN_ON_ERROR(esp_intr_alloc_intrstatus(timer_group_periph_signals.groups[group_id].timer_irq_id[timer_id], isr_flags,