128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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/xtensa_api.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 "spp_task.h"
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static void spp_task_task_handler(void *arg);
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static bool spp_task_send_msg(spp_task_msg_t *msg);
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static void spp_task_work_dispatched(spp_task_msg_t *msg);
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static xQueueHandle spp_task_task_queue = NULL;
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static xTaskHandle spp_task_task_handle = NULL;
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bool spp_task_work_dispatch(spp_task_cb_t p_cback, uint16_t event, void *p_params, int param_len, spp_task_copy_cb_t p_copy_cback)
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{
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ESP_LOGD(SPP_TASK_TAG, "%s event 0x%x, param len %d", __func__, event, param_len);
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spp_task_msg_t msg;
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memset(&msg, 0, sizeof(spp_task_msg_t));
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msg.sig = SPP_TASK_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 spp_task_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, msg.param, p_params);
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}
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return spp_task_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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static bool spp_task_send_msg(spp_task_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 (xQueueSend(spp_task_task_queue, msg, 10 / portTICK_RATE_MS) != pdTRUE) {
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ESP_LOGE(SPP_TASK_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 spp_task_work_dispatched(spp_task_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 spp_task_task_handler(void *arg)
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{
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spp_task_msg_t msg;
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for (;;) {
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if (pdTRUE == xQueueReceive(spp_task_task_queue, &msg, (portTickType)portMAX_DELAY)) {
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ESP_LOGD(SPP_TASK_TAG, "%s, sig 0x%x, 0x%x", __func__, msg.sig, msg.event);
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switch (msg.sig) {
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case SPP_TASK_SIG_WORK_DISPATCH:
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spp_task_work_dispatched(&msg);
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break;
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default:
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ESP_LOGW(SPP_TASK_TAG, "%s, unhandled sig: %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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void spp_task_task_start_up(void)
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{
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spp_task_task_queue = xQueueCreate(10, sizeof(spp_task_msg_t));
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xTaskCreate(spp_task_task_handler, "SPPAppT", 2048, NULL, 10, spp_task_task_handle);
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return;
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}
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void spp_task_task_shut_down(void)
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{
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if (spp_task_task_handle) {
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vTaskDelete(spp_task_task_handle);
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spp_task_task_handle = NULL;
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}
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if (spp_task_task_queue) {
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vQueueDelete(spp_task_task_queue);
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spp_task_task_queue = NULL;
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}
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}
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void spp_wr_task_start_up(spp_wr_task_cb_t p_cback, int fd)
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{
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xTaskCreate(p_cback, "write_read", 2048, (void *)fd, 5, NULL);
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}
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void spp_wr_task_shut_down(void)
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{
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vTaskDelete(NULL);
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} |