component/bt: use a pm_lock to prevent light sleep when bluetooth is enabled due to current imcompatibility
@@ -356,6 +356,7 @@ static DRAM_ATTR uint8_t btdm_lpcycle_us_frac = 0; // number of fractional bit f
#ifdef CONFIG_PM_ENABLE
static DRAM_ATTR esp_timer_handle_t s_btdm_slp_tmr;
static DRAM_ATTR esp_pm_lock_handle_t s_pm_lock;
+static DRAM_ATTR esp_pm_lock_handle_t s_light_sleep_pm_lock; // pm_lock to prevent light sleep due to incompatibility currently
static DRAM_ATTR QueueHandle_t s_pm_lock_sem = NULL;
static void btdm_slp_tmr_callback(void *arg);
#endif
@@ -1075,6 +1076,9 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
#endif
#ifdef CONFIG_PM_ENABLE
+ if ((err = esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0, "btLS", &s_light_sleep_pm_lock)) != ESP_OK) {
+ goto error;
+ }
if ((err = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "bt", &s_pm_lock)) != ESP_OK) {
goto error;
}
@@ -1137,6 +1141,10 @@ esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
error:
#ifdef CONFIG_PM_ENABLE
+ if (s_light_sleep_pm_lock != NULL) {
+ esp_pm_lock_delete(s_light_sleep_pm_lock);
+ s_light_sleep_pm_lock = NULL;
+ }
if (s_pm_lock != NULL) {
esp_pm_lock_delete(s_pm_lock);
s_pm_lock = NULL;
@@ -1164,6 +1172,8 @@ esp_err_t esp_bt_controller_deinit(void)
periph_module_disable(PERIPH_BT_MODULE);
#ifdef CONFIG_PM_ENABLE
+ esp_pm_lock_delete(s_light_sleep_pm_lock);
+ s_light_sleep_pm_lock = NULL;
esp_pm_lock_delete(s_pm_lock);
s_pm_lock = NULL;
esp_timer_stop(s_btdm_slp_tmr);
@@ -1204,6 +1214,7 @@ esp_err_t esp_bt_controller_enable(esp_bt_mode_t mode)
}
#ifdef CONFIG_PM_ENABLE
+ esp_pm_lock_acquire(s_light_sleep_pm_lock);
esp_pm_lock_acquire(s_pm_lock);
#endif
@@ -1241,6 +1252,7 @@ esp_err_t esp_bt_controller_enable(esp_bt_mode_t mode)
}
esp_phy_rf_deinit(PHY_BT_MODULE);
#ifdef CONFIG_PM_ENABLE
+ esp_pm_lock_release(s_light_sleep_pm_lock);
esp_pm_lock_release(s_pm_lock);
#endif
return ESP_ERR_INVALID_STATE;
@@ -1281,6 +1293,7 @@ esp_err_t esp_bt_controller_disable(void)
btdm_controller_status = ESP_BT_CONTROLLER_STATUS_INITED;
#ifdef CONFIG_PM_ENABLE
+ esp_pm_lock_release(s_light_sleep_pm_lock);
esp_pm_lock_release(s_pm_lock);
#endif
