kopia lustrzana https://github.com/espressif/esp-idf
134 wiersze
4.6 KiB
C
134 wiersze
4.6 KiB
C
/*
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* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: 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 "touch_element/touch_button.h"
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#include "esp_log.h"
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static const char *TAG = "Touch Button Example";
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#define TOUCH_BUTTON_NUM 14
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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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TOUCH_PAD_NUM6,
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TOUCH_PAD_NUM7,
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TOUCH_PAD_NUM8,
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TOUCH_PAD_NUM9,
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TOUCH_PAD_NUM10,
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TOUCH_PAD_NUM11,
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TOUCH_PAD_NUM12,
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TOUCH_PAD_NUM13,
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TOUCH_PAD_NUM14,
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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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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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0.1F,
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};
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#ifdef CONFIG_TOUCH_ELEM_EVENT
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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[%d] 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[%d] 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[%d] LongPress", (uint32_t)element_message.arg);
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}
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}
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}
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#elif CONFIG_TOUCH_ELEM_CALLBACK
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/* Button callback routine */
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static void button_handler(touch_button_handle_t out_handle, touch_button_message_t *out_message, void *arg)
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{
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(void) out_handle; //Unused
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if (out_message->event == TOUCH_BUTTON_EVT_ON_PRESS) {
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ESP_LOGI(TAG, "Button[%d] Press", (uint32_t)arg);
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} else if (out_message->event == TOUCH_BUTTON_EVT_ON_RELEASE) {
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ESP_LOGI(TAG, "Button[%d] Release", (uint32_t)arg);
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} else if (out_message->event == TOUCH_BUTTON_EVT_ON_LONGPRESS) {
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ESP_LOGI(TAG, "Button[%d] LongPress", (uint32_t)arg);
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}
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}
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#endif
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void app_main(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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/* Subscribe touch button events (On Press, On Release, On LongPress) */
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ESP_ERROR_CHECK(touch_button_subscribe_event(button_handle[i], TOUCH_ELEM_EVENT_ON_PRESS | TOUCH_ELEM_EVENT_ON_RELEASE | TOUCH_ELEM_EVENT_ON_LONGPRESS,
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(void *)channel_array[i]));
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#ifdef CONFIG_TOUCH_ELEM_EVENT
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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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#elif CONFIG_TOUCH_ELEM_CALLBACK
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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_CALLBACK));
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/* Register a handler function to handle event messages */
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ESP_ERROR_CHECK(touch_button_set_callback(button_handle[i], button_handler));
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#endif
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/* Set LongPress event trigger threshold time */
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ESP_ERROR_CHECK(touch_button_set_longpress(button_handle[i], 2000));
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}
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ESP_LOGI(TAG, "Touch buttons created");
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#ifdef CONFIG_TOUCH_ELEM_EVENT
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/* Create a handler task to handle event messages */
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xTaskCreate(&button_handler_task, "button_handler_task", 4 * 1024, NULL, 5, NULL);
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#endif
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touch_element_start();
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ESP_LOGI(TAG, "Touch element library start");
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}
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