kopia lustrzana https://github.com/espressif/esp-idf
102 wiersze
3.8 KiB
C
102 wiersze
3.8 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 "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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#include "esp_sleep.h"
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#include "touch_element/touch_button.h"
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static const char *TAG = "touch_wakeup";
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#define TOUCH_BUTTON_NUM 5
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/* Touch buttons handle */
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static touch_button_handle_t button_handle[TOUCH_BUTTON_NUM];
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/* Touch buttons channel array */
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static const touch_pad_t channel_array[TOUCH_BUTTON_NUM] = {
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TOUCH_PAD_NUM1,
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TOUCH_PAD_NUM2,
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TOUCH_PAD_NUM3,
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TOUCH_PAD_NUM4,
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TOUCH_PAD_NUM5,
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};
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/* Touch buttons channel sensitivity array */
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static const float channel_sens_array[TOUCH_BUTTON_NUM] = {
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0.03F,
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0.03F,
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0.03F,
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0.03F,
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0.03F,
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};
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/* Button event handler task */
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static void button_handler_task(void *arg)
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{
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(void) arg; //Unused
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touch_elem_message_t element_message;
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while (1) {
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/* Waiting for touch element messages */
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touch_element_message_receive(&element_message, portMAX_DELAY);
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if (element_message.element_type != TOUCH_ELEM_TYPE_BUTTON) {
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continue;
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}
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/* Decode message */
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const touch_button_message_t *button_message = touch_button_get_message(&element_message);
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if (button_message->event == TOUCH_BUTTON_EVT_ON_PRESS) {
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ESP_LOGI(TAG, "Button[%"PRIu32"] Press", (uint32_t)element_message.arg);
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} else if (button_message->event == TOUCH_BUTTON_EVT_ON_RELEASE) {
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ESP_LOGI(TAG, "Button[%"PRIu32"] Release", (uint32_t)element_message.arg);
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} else if (button_message->event == TOUCH_BUTTON_EVT_ON_LONGPRESS) {
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ESP_LOGI(TAG, "Button[%"PRIu32"] LongPress", (uint32_t)element_message.arg);
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}
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}
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vTaskDelete(NULL);
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}
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esp_err_t example_register_touch_wakeup(void)
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{
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/* Initialize Touch Element library */
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touch_elem_global_config_t global_config = TOUCH_ELEM_GLOBAL_DEFAULT_CONFIG();
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ESP_ERROR_CHECK(touch_element_install(&global_config));
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ESP_LOGI(TAG, "Touch element library installed");
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touch_button_global_config_t button_global_config = TOUCH_BUTTON_GLOBAL_DEFAULT_CONFIG();
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ESP_ERROR_CHECK(touch_button_install(&button_global_config));
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ESP_LOGI(TAG, "Touch button installed");
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for (int i = 0; i < TOUCH_BUTTON_NUM; i++) {
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touch_button_config_t button_config = {
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.channel_num = channel_array[i],
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.channel_sens = channel_sens_array[i]
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};
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/* Create Touch buttons */
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ESP_ERROR_CHECK(touch_button_create(&button_config, &button_handle[i]));
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/* Set EVENT as the dispatch method */
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ESP_ERROR_CHECK(touch_button_set_dispatch_method(button_handle[i], TOUCH_ELEM_DISP_EVENT));
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/* Subscribe touch button events (On Press, On Release, On LongPress) */
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ESP_ERROR_CHECK(touch_button_subscribe_event(button_handle[i],
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TOUCH_ELEM_EVENT_ON_PRESS |
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TOUCH_ELEM_EVENT_ON_RELEASE |
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TOUCH_ELEM_EVENT_ON_LONGPRESS,
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(void *)channel_array[i]));
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}
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ESP_LOGI(TAG, "Touch buttons created");
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touch_elem_sleep_config_t sleep_config = {
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.sample_count = global_config.hardware.sample_count,
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.sleep_cycle = global_config.hardware.sleep_cycle,
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};
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/* Enable one of registered touch button as light/deep sleep wake-up source */
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ESP_ERROR_CHECK(touch_element_enable_light_sleep(&sleep_config));
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touch_element_start();
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xTaskCreate(&button_handler_task, "button_handler_task", 4 * 1024, NULL, 6, NULL);
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ESP_LOGI(TAG, "touch wakeup source is ready");
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return ESP_OK;
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}
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