kopia lustrzana https://github.com/espressif/esp-idf
132 wiersze
3.5 KiB
C
132 wiersze
3.5 KiB
C
/*
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#include <stdint.h>
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#include <string.h>
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#include <stdbool.h>
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#include "freertos/FreeRTOSConfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/queue.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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#include "bt_app_core.h"
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/*********************************
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* STATIC FUNCTION DECLARATIONS
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********************************/
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/* application task handler */
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static void bt_app_task_handler(void *arg);
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/* message sender for Work queue */
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static bool bt_app_send_msg(bt_app_msg_t *msg);
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/* handler for dispatched message */
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static void bt_app_work_dispatched(bt_app_msg_t *msg);
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/*********************************
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* STATIC VARIABLE DEFINITIONS
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********************************/
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static QueueHandle_t s_bt_app_task_queue = NULL;
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static TaskHandle_t s_bt_app_task_handle = NULL;
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/*********************************
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* STATIC FUNCTION DEFINITIONS
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********************************/
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static bool bt_app_send_msg(bt_app_msg_t *msg)
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{
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if (msg == NULL) {
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return false;
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}
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if (pdTRUE != xQueueSend(s_bt_app_task_queue, msg, 10 / portTICK_PERIOD_MS)) {
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ESP_LOGE(BT_APP_CORE_TAG, "%s xQueue send failed", __func__);
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return false;
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}
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return true;
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}
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static void bt_app_work_dispatched(bt_app_msg_t *msg)
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{
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if (msg->cb) {
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msg->cb(msg->event, msg->param);
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}
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}
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static void bt_app_task_handler(void *arg)
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{
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bt_app_msg_t msg;
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for (;;) {
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/* receive message from work queue and handle it */
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if (pdTRUE == xQueueReceive(s_bt_app_task_queue, &msg, (TickType_t)portMAX_DELAY)) {
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ESP_LOGD(BT_APP_CORE_TAG, "%s, signal: 0x%x, event: 0x%x", __func__, msg.sig, msg.event);
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switch (msg.sig) {
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case BT_APP_SIG_WORK_DISPATCH:
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bt_app_work_dispatched(&msg);
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break;
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default:
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ESP_LOGW(BT_APP_CORE_TAG, "%s, unhandled signal: %d", __func__, msg.sig);
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break;
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}
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if (msg.param) {
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free(msg.param);
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}
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}
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}
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}
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/*********************************
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* EXTERN FUNCTION DEFINITIONS
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********************************/
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bool bt_app_work_dispatch(bt_app_cb_t p_cback, uint16_t event, void *p_params, int param_len, bt_app_copy_cb_t p_copy_cback)
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{
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ESP_LOGD(BT_APP_CORE_TAG, "%s event: 0x%x, param len: %d", __func__, event, param_len);
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bt_app_msg_t msg;
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memset(&msg, 0, sizeof(bt_app_msg_t));
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msg.sig = BT_APP_SIG_WORK_DISPATCH;
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msg.event = event;
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msg.cb = p_cback;
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if (param_len == 0) {
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return bt_app_send_msg(&msg);
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} else if (p_params && param_len > 0) {
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if ((msg.param = malloc(param_len)) != NULL) {
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memcpy(msg.param, p_params, param_len);
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/* check if caller has provided a copy callback to do the deep copy */
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if (p_copy_cback) {
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p_copy_cback(msg.param, p_params, param_len);
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}
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return bt_app_send_msg(&msg);
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}
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}
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return false;
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}
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void bt_app_task_start_up(void)
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{
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s_bt_app_task_queue = xQueueCreate(10, sizeof(bt_app_msg_t));
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xTaskCreate(bt_app_task_handler, "BtAppTask", 2048, NULL, 10, &s_bt_app_task_handle);
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}
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void bt_app_task_shut_down(void)
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{
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if (s_bt_app_task_handle) {
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vTaskDelete(s_bt_app_task_handle);
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s_bt_app_task_handle = NULL;
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}
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if (s_bt_app_task_queue) {
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vQueueDelete(s_bt_app_task_queue);
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s_bt_app_task_queue = NULL;
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}
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}
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