102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
|
// Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
#include "esp_err.h"
|
||
|
|
#include "esp_log.h"
|
||
|
|
#include "esp_event_legacy.h"
|
||
|
|
#include "esp_event.h"
|
||
|
|
|
||
|
|
#include "sdkconfig.h"
|
||
|
|
|
||
|
|
static const char* TAG = "event";
|
||
|
|
|
||
|
|
static system_event_cb_t s_event_handler_cb;
|
||
|
|
static void *s_event_ctx;
|
||
|
|
static bool s_initialized;
|
||
|
|
|
||
|
|
ESP_EVENT_DEFINE_BASE(SYSTEM_EVENT);
|
||
|
|
|
||
|
|
static void esp_event_post_to_user(void* arg, esp_event_base_t base, int32_t id, void* data)
|
||
|
|
{
|
||
|
|
if (s_event_handler_cb) {
|
||
|
|
system_event_t* event = (system_event_t*) data;
|
||
|
|
(*s_event_handler_cb)(s_event_ctx, event);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
system_event_cb_t esp_event_loop_set_cb(system_event_cb_t cb, void *ctx)
|
||
|
|
{
|
||
|
|
system_event_cb_t old_cb = s_event_handler_cb;
|
||
|
|
s_event_handler_cb = cb;
|
||
|
|
s_event_ctx = ctx;
|
||
|
|
return old_cb;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t esp_event_send_legacy(system_event_t *event)
|
||
|
|
{
|
||
|
|
if (!s_initialized) {
|
||
|
|
ESP_LOGE(TAG, "system event loop not initialized via esp_event_loop_init");
|
||
|
|
return ESP_ERR_INVALID_STATE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return esp_event_post(SYSTEM_EVENT, event->event_id, event, sizeof(*event), 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t esp_event_loop_init(system_event_cb_t cb, void *ctx)
|
||
|
|
{
|
||
|
|
if (s_initialized) {
|
||
|
|
ESP_LOGE(TAG, "system event loop already initialized");
|
||
|
|
return ESP_ERR_INVALID_STATE;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t err = esp_event_loop_create_default();
|
||
|
|
if (err != ESP_OK && err != ESP_ERR_INVALID_STATE) {
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = esp_event_handler_register(SYSTEM_EVENT, ESP_EVENT_ANY_ID, esp_event_post_to_user, NULL);
|
||
|
|
if (err != ESP_OK) {
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
s_initialized = true;
|
||
|
|
s_event_handler_cb = cb;
|
||
|
|
s_event_ctx = ctx;
|
||
|
|
return ESP_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t esp_event_loop_deinit()
|
||
|
|
{
|
||
|
|
if (!s_initialized) {
|
||
|
|
ESP_LOGE(TAG, "system event loop not initialized");
|
||
|
|
return ESP_ERR_INVALID_STATE;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t err = esp_event_handler_unregister(SYSTEM_EVENT, ESP_EVENT_ANY_ID, esp_event_post_to_user);
|
||
|
|
if (err != ESP_OK) {
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
err = esp_event_loop_delete_default();
|
||
|
|
if (err != ESP_OK && err != ESP_ERR_INVALID_STATE) {
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
s_initialized = false;
|
||
|
|
s_event_handler_cb = NULL;
|
||
|
|
s_event_ctx = NULL;
|
||
|
|
return ESP_OK;
|
||
|
|
}
|
||
|
|
|