mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
435 lines
14 KiB
C
435 lines
14 KiB
C
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// 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 <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/queue.h"
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#include "freertos/timers.h"
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#include "esp_log.h"
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#include "driver/gpio.h"
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#include "iot_button.h"
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#include "esp_timer.h"
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#define USE_ESP_TIMER CONFIG_BUTTON_USE_ESP_TIMER
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#if USE_ESP_TIMER
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#define STOP_TIMER(tmr) esp_timer_stop(tmr)
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#define DELETE_TIMER(tmr) esp_timer_delete(tmr)
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#else
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#define STOP_TIMER(tmr) xTimerStop(tmr, portMAX_DELAY)
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#define DELETE_TIMER(tmr) xTimerDelete(tmr, portMAX_DELAY);
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#endif
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#define IOT_CHECK(tag, a, ret) if(!(a)) { \
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ESP_LOGE(tag,"%s:%d (%s)", __FILE__, __LINE__, __FUNCTION__); \
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return (ret); \
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}
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#define ERR_ASSERT(tag, param) IOT_CHECK(tag, (param) == ESP_OK, ESP_FAIL)
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#define POINT_ASSERT(tag, param, ret) IOT_CHECK(tag, (param) != NULL, (ret))
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typedef enum {
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BUTTON_STATE_IDLE = 0,
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BUTTON_STATE_PUSH,
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BUTTON_STATE_PRESSED,
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} button_status_t;
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typedef struct button_dev button_dev_t;
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typedef struct btn_cb button_cb_t;
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struct btn_cb{
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TickType_t interval;
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button_cb cb;
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void* arg;
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#if !USE_ESP_TIMER
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TimerHandle_t tmr;
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#else
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esp_timer_handle_t tmr;
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#endif
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button_dev_t *pbtn;
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button_cb_t *next_cb;
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};
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struct button_dev{
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uint8_t io_num;
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uint8_t active_level;
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uint32_t serial_thres_sec;
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button_status_t state;
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button_cb_t tap_short_cb;
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button_cb_t tap_psh_cb;
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button_cb_t tap_rls_cb;
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button_cb_t press_serial_cb;
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button_cb_t* cb_head;
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};
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#define BUTTON_GLITCH_FILTER_TIME_MS CONFIG_BUTTON_IO_GLITCH_FILTER_TIME_MS
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static const char* TAG = "button";
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// static void button_press_cb(xTimerHandle tmr)
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static void button_press_cb(void* tmr)
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{
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#if !USE_ESP_TIMER
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button_cb_t* btn_cb = (button_cb_t*) pvTimerGetTimerID(tmr);
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#else
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button_cb_t* btn_cb = (button_cb_t*)(tmr);
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#endif
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button_dev_t* btn = btn_cb->pbtn;
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// low, then restart
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if (btn->active_level == gpio_get_level(btn->io_num)) {
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btn->state = BUTTON_STATE_PRESSED;
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if (btn_cb->cb) {
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btn_cb->cb(btn_cb->arg);
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}
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}
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}
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// static void button_tap_psh_cb(xTimerHandle tmr)
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static void button_tap_psh_cb(void* tmr)
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{
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#if !USE_ESP_TIMER
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button_cb_t* btn_cb = (button_cb_t*) pvTimerGetTimerID(tmr);
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#else
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button_cb_t* btn_cb = (button_cb_t*)(tmr);
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#endif
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button_dev_t* btn = btn_cb->pbtn;
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STOP_TIMER(btn->tap_rls_cb.tmr);
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int lv = gpio_get_level(btn->io_num);
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if (btn->active_level == lv) {
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// high, then key is up
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btn->state = BUTTON_STATE_PUSH;
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if (btn->press_serial_cb.tmr) {
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#if !USE_ESP_TIMER
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xTimerChangePeriod(btn->press_serial_cb.tmr, btn->serial_thres_sec*1000 / portTICK_PERIOD_MS, portMAX_DELAY);
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xTimerReset(btn->press_serial_cb.tmr, portMAX_DELAY);
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#else
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esp_timer_stop(btn->press_serial_cb.tmr);
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esp_timer_start_once(btn->press_serial_cb.tmr, btn->serial_thres_sec * 1000 * 1000);
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#endif
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}
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if (btn->tap_psh_cb.cb) {
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btn->tap_psh_cb.cb(btn->tap_psh_cb.arg);
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}
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} else {
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// 50ms, check if this is a real key up
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if (btn->tap_rls_cb.tmr) {
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STOP_TIMER(btn->tap_rls_cb.tmr);
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#if !USE_ESP_TIMER
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xTimerReset(btn->tap_rls_cb.tmr, portMAX_DELAY);
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#else
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esp_timer_start_once(btn->tap_rls_cb.tmr, btn->tap_rls_cb.interval * portTICK_PERIOD_MS * 1000);
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#endif
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}
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}
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}
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static void button_tap_rls_cb(void* tmr)
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{
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#if !USE_ESP_TIMER
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button_cb_t* btn_cb = (button_cb_t*) pvTimerGetTimerID(tmr);
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#else
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button_cb_t* btn_cb = (button_cb_t*)(tmr);
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#endif
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button_dev_t* btn = btn_cb->pbtn;
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STOP_TIMER(btn->tap_rls_cb.tmr);
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if (btn->active_level == gpio_get_level(btn->io_num)) {
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} else {
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// high, then key is up
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button_cb_t *pcb = btn->cb_head;
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while (pcb != NULL) {
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if (pcb->tmr != NULL) {
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STOP_TIMER(pcb->tmr);
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}
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pcb = pcb->next_cb;
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}
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if (btn->press_serial_cb.tmr && btn->press_serial_cb.tmr != NULL) {
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STOP_TIMER(btn->press_serial_cb.tmr);
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}
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if (btn->tap_short_cb.cb && btn->state == BUTTON_STATE_PUSH) {
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btn->tap_short_cb.cb(btn->tap_short_cb.arg);
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}
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if(btn->tap_rls_cb.cb && btn->state != BUTTON_STATE_IDLE) {
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btn->tap_rls_cb.cb(btn->tap_rls_cb.arg);
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}
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btn->state = BUTTON_STATE_IDLE;
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}
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}
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static void button_press_serial_cb(void* tmr)
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{
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#if !USE_ESP_TIMER
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button_dev_t* btn = (button_dev_t*) pvTimerGetTimerID(tmr);
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#else
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button_dev_t* btn = (button_dev_t*)(tmr);
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#endif
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if (btn->press_serial_cb.cb) {
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btn->press_serial_cb.cb(btn->press_serial_cb.arg);
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}
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#if !USE_ESP_TIMER
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xTimerChangePeriod(btn->press_serial_cb.tmr, btn->press_serial_cb.interval, portMAX_DELAY);
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xTimerReset(btn->press_serial_cb.tmr, portMAX_DELAY);
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#else
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esp_timer_stop(btn->press_serial_cb.tmr);
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esp_timer_start_once(btn->press_serial_cb.tmr, btn->press_serial_cb.interval * portTICK_PERIOD_MS * 1000);
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#endif
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}
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static void button_gpio_isr_handler(void* arg)
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{
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button_dev_t* btn = (button_dev_t*) arg;
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portBASE_TYPE HPTaskAwoken = pdFALSE;
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int level = gpio_get_level(btn->io_num);
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if (level == btn->active_level) {
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if (btn->tap_psh_cb.tmr) {
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#if !USE_ESP_TIMER
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xTimerStopFromISR(btn->tap_psh_cb.tmr, &HPTaskAwoken);
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xTimerResetFromISR(btn->tap_psh_cb.tmr, &HPTaskAwoken);
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#else
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esp_timer_stop(btn->tap_psh_cb.tmr);
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esp_timer_start_once(btn->tap_psh_cb.tmr, btn->tap_psh_cb.interval * portTICK_PERIOD_MS * 1000);
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#endif
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}
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button_cb_t *pcb = btn->cb_head;
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while (pcb != NULL) {
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if (pcb->tmr != NULL) {
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#if !USE_ESP_TIMER
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xTimerStopFromISR(pcb->tmr, &HPTaskAwoken);
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xTimerResetFromISR(pcb->tmr, &HPTaskAwoken);
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#else
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esp_timer_stop(pcb->tmr);
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esp_timer_start_once(pcb->tmr, pcb->interval * portTICK_PERIOD_MS * 1000);
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#endif
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}
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pcb = pcb->next_cb;
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}
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} else {
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// 50ms, check if this is a real key up
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if (btn->tap_rls_cb.tmr) {
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#if !USE_ESP_TIMER
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xTimerStopFromISR(btn->tap_rls_cb.tmr, &HPTaskAwoken);
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xTimerResetFromISR(btn->tap_rls_cb.tmr, &HPTaskAwoken);
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#else
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esp_timer_stop(btn->tap_rls_cb.tmr);
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esp_timer_start_once(btn->tap_rls_cb.tmr, btn->tap_rls_cb.interval * portTICK_PERIOD_MS * 1000);
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#endif
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}
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}
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if(HPTaskAwoken == pdTRUE) {
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portYIELD_FROM_ISR();
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}
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}
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#if !USE_ESP_TIMER
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static void button_free_tmr(xTimerHandle* tmr)
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#else
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static void button_free_tmr(esp_timer_handle_t *tmr)
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#endif
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{
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if (tmr && *tmr) {
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STOP_TIMER(*tmr);
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DELETE_TIMER(*tmr);
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*tmr = NULL;
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}
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}
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esp_err_t iot_button_delete(button_handle_t btn_handle)
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{
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POINT_ASSERT(TAG, btn_handle, ESP_ERR_INVALID_ARG);
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button_dev_t* btn = (button_dev_t*) btn_handle;
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gpio_set_intr_type(btn->io_num, GPIO_INTR_DISABLE);
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gpio_isr_handler_remove(btn->io_num);
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button_free_tmr(&btn->tap_rls_cb.tmr);
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button_free_tmr(&btn->tap_psh_cb.tmr);
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button_free_tmr(&btn->tap_short_cb.tmr);
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button_free_tmr(&btn->press_serial_cb.tmr);
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button_cb_t *pcb = btn->cb_head;
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while (pcb != NULL) {
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button_cb_t *cb_next = pcb->next_cb;
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button_free_tmr(&pcb->tmr);
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free(pcb);
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pcb = cb_next;
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}
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free(btn);
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return ESP_OK;
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}
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button_handle_t iot_button_create(gpio_num_t gpio_num, button_active_t active_level)
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{
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#if USE_ESP_TIMER
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ets_printf("use esp timer !!!\n");
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esp_timer_init();
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#endif
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IOT_CHECK(TAG, gpio_num < GPIO_NUM_MAX, NULL);
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button_dev_t* btn = (button_dev_t*) calloc(1, sizeof(button_dev_t));
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POINT_ASSERT(TAG, btn, NULL);
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btn->active_level = active_level;
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btn->io_num = gpio_num;
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btn->state = BUTTON_STATE_IDLE;
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btn->tap_rls_cb.arg = NULL;
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btn->tap_rls_cb.cb = NULL;
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btn->tap_rls_cb.interval = BUTTON_GLITCH_FILTER_TIME_MS / portTICK_PERIOD_MS;
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btn->tap_rls_cb.pbtn = btn;
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#if !USE_ESP_TIMER
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btn->tap_rls_cb.tmr = xTimerCreate("btn_rls_tmr", btn->tap_rls_cb.interval, pdFALSE,
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&btn->tap_rls_cb, button_tap_rls_cb);
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#else
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esp_timer_create_args_t tmr_param_rls;
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tmr_param_rls.arg = &btn->tap_rls_cb;
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tmr_param_rls.callback = button_tap_rls_cb;
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tmr_param_rls.dispatch_method = ESP_TIMER_TASK;
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tmr_param_rls.name = "btn_rls_tmr";
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esp_timer_create(&tmr_param_rls, &btn->tap_rls_cb.tmr);
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#endif
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btn->tap_psh_cb.arg = NULL;
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btn->tap_psh_cb.cb = NULL;
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btn->tap_psh_cb.interval = BUTTON_GLITCH_FILTER_TIME_MS / portTICK_PERIOD_MS;
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btn->tap_psh_cb.pbtn = btn;
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#if !USE_ESP_TIMER
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btn->tap_psh_cb.tmr = xTimerCreate("btn_psh_tmr", btn->tap_psh_cb.interval, pdFALSE,
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&btn->tap_psh_cb, button_tap_psh_cb);
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#else
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esp_timer_create_args_t tmr_param_psh;
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tmr_param_psh.arg = &btn->tap_psh_cb;
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tmr_param_psh.callback = button_tap_psh_cb;
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tmr_param_psh.dispatch_method = ESP_TIMER_TASK;
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tmr_param_psh.name = "btn_psh_tmr";
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esp_timer_create(&tmr_param_psh, &btn->tap_psh_cb.tmr);
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#endif
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gpio_install_isr_service(0);
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gpio_config_t gpio_conf;
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gpio_conf.intr_type = GPIO_INTR_ANYEDGE;
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gpio_conf.mode = GPIO_MODE_INPUT;
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gpio_conf.pin_bit_mask = (1ULL << gpio_num);
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gpio_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
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gpio_conf.pull_up_en = GPIO_PULLUP_ENABLE;
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gpio_config(&gpio_conf);
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gpio_isr_handler_add(gpio_num, button_gpio_isr_handler, btn);
|
||
|
|
return (button_handle_t) btn;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t iot_button_rm_cb(button_handle_t btn_handle, button_cb_type_t type)
|
||
|
|
{
|
||
|
|
button_dev_t* btn = (button_dev_t*) btn_handle;
|
||
|
|
button_cb_t* btn_cb = NULL;
|
||
|
|
if (type == BUTTON_CB_PUSH) {
|
||
|
|
btn_cb = &btn->tap_psh_cb;
|
||
|
|
} else if (type == BUTTON_CB_RELEASE) {
|
||
|
|
btn_cb = &btn->tap_rls_cb;
|
||
|
|
} else if (type == BUTTON_CB_TAP) {
|
||
|
|
btn_cb = &btn->tap_short_cb;
|
||
|
|
} else if (type == BUTTON_CB_SERIAL) {
|
||
|
|
btn_cb = &btn->press_serial_cb;
|
||
|
|
}
|
||
|
|
btn_cb->cb = NULL;
|
||
|
|
btn_cb->arg = NULL;
|
||
|
|
btn_cb->pbtn = btn;
|
||
|
|
button_free_tmr(&btn_cb->tmr);
|
||
|
|
return ESP_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t iot_button_set_serial_cb(button_handle_t btn_handle, uint32_t start_after_sec, TickType_t interval_tick, button_cb cb, void* arg)
|
||
|
|
{
|
||
|
|
button_dev_t* btn = (button_dev_t*) btn_handle;
|
||
|
|
btn->serial_thres_sec = start_after_sec;
|
||
|
|
|
||
|
|
if (btn->press_serial_cb.tmr == NULL) {
|
||
|
|
#if !USE_ESP_TIMER
|
||
|
|
btn->press_serial_cb.tmr = xTimerCreate("btn_serial_tmr", btn->serial_thres_sec*1000 / portTICK_PERIOD_MS,
|
||
|
|
pdFALSE, btn, button_press_serial_cb);
|
||
|
|
#else
|
||
|
|
esp_timer_create_args_t tmr_param_ser;
|
||
|
|
tmr_param_ser.arg = btn;
|
||
|
|
tmr_param_ser.callback = button_press_serial_cb;
|
||
|
|
tmr_param_ser.dispatch_method = ESP_TIMER_TASK;
|
||
|
|
tmr_param_ser.name = "btn_serial_tmr";
|
||
|
|
esp_timer_create(&tmr_param_ser, &btn->press_serial_cb.tmr);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
btn->press_serial_cb.arg = arg;
|
||
|
|
btn->press_serial_cb.cb = cb;
|
||
|
|
btn->press_serial_cb.interval = interval_tick;
|
||
|
|
btn->press_serial_cb.pbtn = btn;
|
||
|
|
#if !USE_ESP_TIMER
|
||
|
|
xTimerChangePeriod(btn->press_serial_cb.tmr, btn->serial_thres_sec*1000 / portTICK_PERIOD_MS, portMAX_DELAY);
|
||
|
|
#endif
|
||
|
|
return ESP_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t iot_button_set_evt_cb(button_handle_t btn_handle, button_cb_type_t type, button_cb cb, void* arg)
|
||
|
|
{
|
||
|
|
POINT_ASSERT(TAG, btn_handle, ESP_ERR_INVALID_ARG);
|
||
|
|
button_dev_t* btn = (button_dev_t*) btn_handle;
|
||
|
|
if (type == BUTTON_CB_PUSH) {
|
||
|
|
btn->tap_psh_cb.arg = arg;
|
||
|
|
btn->tap_psh_cb.cb = cb;
|
||
|
|
btn->tap_psh_cb.interval = BUTTON_GLITCH_FILTER_TIME_MS / portTICK_RATE_MS;
|
||
|
|
btn->tap_psh_cb.pbtn = btn;
|
||
|
|
#if !USE_ESP_TIMER
|
||
|
|
xTimerChangePeriod(btn->tap_psh_cb.tmr, btn->tap_psh_cb.interval, portMAX_DELAY);
|
||
|
|
#endif
|
||
|
|
} else if (type == BUTTON_CB_RELEASE) {
|
||
|
|
btn->tap_rls_cb.arg = arg;
|
||
|
|
btn->tap_rls_cb.cb = cb;
|
||
|
|
btn->tap_rls_cb.interval = BUTTON_GLITCH_FILTER_TIME_MS / portTICK_RATE_MS;
|
||
|
|
btn->tap_rls_cb.pbtn = btn;
|
||
|
|
#if !USE_ESP_TIMER
|
||
|
|
xTimerChangePeriod(btn->tap_rls_cb.tmr, btn->tap_psh_cb.interval, portMAX_DELAY);
|
||
|
|
#endif
|
||
|
|
} else if (type == BUTTON_CB_TAP) {
|
||
|
|
btn->tap_short_cb.arg = arg;
|
||
|
|
btn->tap_short_cb.cb = cb;
|
||
|
|
btn->tap_short_cb.interval = BUTTON_GLITCH_FILTER_TIME_MS / portTICK_RATE_MS;
|
||
|
|
btn->tap_short_cb.pbtn = btn;
|
||
|
|
} else if (type == BUTTON_CB_SERIAL) {
|
||
|
|
iot_button_set_serial_cb(btn_handle, 1, 1000 / portTICK_RATE_MS, cb, arg);
|
||
|
|
}
|
||
|
|
return ESP_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
esp_err_t iot_button_add_custom_cb(button_handle_t btn_handle, uint32_t press_sec, button_cb cb, void* arg)
|
||
|
|
{
|
||
|
|
POINT_ASSERT(TAG, btn_handle, ESP_ERR_INVALID_ARG);
|
||
|
|
IOT_CHECK(TAG, press_sec != 0, ESP_ERR_INVALID_ARG);
|
||
|
|
button_dev_t* btn = (button_dev_t*) btn_handle;
|
||
|
|
button_cb_t* cb_new = (button_cb_t*) calloc(1, sizeof(button_cb_t));
|
||
|
|
POINT_ASSERT(TAG, cb_new, ESP_FAIL);
|
||
|
|
cb_new->arg = arg;
|
||
|
|
cb_new->cb = cb;
|
||
|
|
cb_new->interval = press_sec * 1000 / portTICK_PERIOD_MS;
|
||
|
|
cb_new->pbtn = btn;
|
||
|
|
#if !USE_ESP_TIMER
|
||
|
|
cb_new->tmr = xTimerCreate("btn_press_tmr", cb_new->interval, pdFALSE, cb_new, button_press_cb);
|
||
|
|
#else
|
||
|
|
esp_timer_create_args_t tmr_param_cus;
|
||
|
|
tmr_param_cus.arg = cb_new;
|
||
|
|
tmr_param_cus.callback = button_press_cb;
|
||
|
|
tmr_param_cus.dispatch_method = ESP_TIMER_TASK;
|
||
|
|
tmr_param_cus.name = "btn_press_custom_tmr";
|
||
|
|
esp_timer_create(&tmr_param_cus, &cb_new->tmr);
|
||
|
|
#endif
|
||
|
|
cb_new->next_cb = btn->cb_head;
|
||
|
|
btn->cb_head = cb_new;
|
||
|
|
return ESP_OK;
|
||
|
|
}
|