refactor: remove button driver and GPIO input code
Remove the buttons/ directory including multi_button library and button_driver. Physical button input is not needed for the current headless Telegram/WebSocket interaction model. Signed-off-by: Asklv <boironic@gmail.com>
This commit is contained in:
Asklv
@@ -1,62 +0,0 @@
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#include "buttons/button_driver.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "esp_timer.h"
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#include "driver/gpio.h"
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static void ESP32_Button_init(void){
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gpio_reset_pin(Button_PIN1);
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gpio_set_direction(Button_PIN1, GPIO_MODE_INPUT);
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gpio_set_pull_mode(Button_PIN1, GPIO_PULLUP_ONLY);
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}
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static void Timer_Callback(void *arg){
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button_ticks();
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}
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struct Button BUTTON1;
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PressEvent BOOT_KEY_State;
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static uint8_t Read_Button_GPIO_Level(uint8_t button_id)
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{
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if(!button_id)
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return (uint8_t)(gpio_get_level(Button_PIN1));
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return 0;
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}
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static void Button_SINGLE_CLICK_Callback(void* btn){
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struct Button *user_button = (struct Button *)btn;
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if(user_button == &BUTTON1){
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BOOT_KEY_State = SINGLE_CLICK;
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}
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}
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static void Button_DOUBLE_CLICK_Callback(void* btn){
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struct Button *user_button = (struct Button *)btn;
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if(user_button == &BUTTON1){
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BOOT_KEY_State = DOUBLE_CLICK;
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}
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}
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static void Button_LONG_PRESS_START_Callback(void* btn){
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struct Button *user_button = (struct Button *)btn;
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if(user_button == &BUTTON1){
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BOOT_KEY_State= LONG_PRESS_START;
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}
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}
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void button_Init(void)
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{
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ESP32_Button_init();
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button_init(&BUTTON1, Read_Button_GPIO_Level, 0 , 0);
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button_attach(&BUTTON1, SINGLE_CLICK, Button_SINGLE_CLICK_Callback);
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button_attach(&BUTTON1, DOUBLE_CLICK, Button_DOUBLE_CLICK_Callback);
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button_attach(&BUTTON1, LONG_PRESS_START, Button_LONG_PRESS_START_Callback);
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const esp_timer_create_args_t clock_tick_timer_args =
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{
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.callback = &Timer_Callback,
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.name = "Timer_task",
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.arg = NULL,
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};
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esp_timer_handle_t clock_tick_timer = NULL;
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ESP_ERROR_CHECK(esp_timer_create(&clock_tick_timer_args, &clock_tick_timer));
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ESP_ERROR_CHECK(esp_timer_start_periodic(clock_tick_timer, 1000 * 5));
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BOOT_KEY_State = NONE_PRESS;
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button_start(&BUTTON1);
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}
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@@ -1,16 +0,0 @@
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#ifndef BUTTON_BSP_H
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#define BUTTON_BSP_H
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#include <stdio.h>
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#include <stdbool.h>
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#include "buttons/multi_button.h"
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#define BOOT_KEY_PIN 0
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#define Button_PIN1 BOOT_KEY_PIN
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extern PressEvent BOOT_KEY_State;
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void button_Init(void);
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#endif
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@@ -1,208 +0,0 @@
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/*
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* Copyright (c) 2016 Zibin Zheng <znbin@qq.com>
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* All rights reserved
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*/
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#include "multi_button.h"
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#define EVENT_CB(ev) if(handle->cb[ev])handle->cb[ev]((void*)handle)
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#define PRESS_REPEAT_MAX_NUM 15 /*!< The maximum value of the repeat counter */
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//button handle list head.
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static struct Button* head_handle = NULL;
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static void button_handler(struct Button* handle);
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/**
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* @brief Initializes the button struct handle.
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* @param handle: the button handle struct.
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* @param pin_level: read the HAL GPIO of the connected button level.
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* @param active_level: pressed GPIO level.
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* @param button_id: the button id.
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* @retval None
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*/
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void button_init(struct Button* handle, uint8_t(*pin_level)(uint8_t), uint8_t active_level, uint8_t button_id)
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{
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memset(handle, 0, sizeof(struct Button));
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handle->event = (uint8_t)NONE_PRESS;
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handle->hal_button_Level = pin_level;
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handle->button_level = !active_level;
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handle->active_level = active_level;
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handle->button_id = button_id;
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}
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/**
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* @brief Attach the button event callback function.
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* @param handle: the button handle struct.
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* @param event: trigger event type.
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* @param cb: callback function.
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* @retval None
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*/
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void button_attach(struct Button* handle, PressEvent event, BtnCallback cb)
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{
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handle->cb[event] = cb;
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}
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/**
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* @brief Inquire the button event happen.
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* @param handle: the button handle struct.
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* @retval button event.
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*/
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PressEvent get_button_event(struct Button* handle)
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{
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return (PressEvent)(handle->event);
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}
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/**
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* @brief Button driver core function, driver state machine.
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* @param handle: the button handle struct.
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* @retval None
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*/
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static void button_handler(struct Button* handle)
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{
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uint8_t read_gpio_level = handle->hal_button_Level(handle->button_id);
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//ticks counter working..
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if((handle->state) > 0) handle->ticks++;
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/*------------button debounce handle---------------*/
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if(read_gpio_level != handle->button_level) { //not equal to prev one
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//continue read 3 times same new level change
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if(++(handle->debounce_cnt) >= DEBOUNCE_TICKS) {
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handle->button_level = read_gpio_level;
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handle->debounce_cnt = 0;
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}
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} else { //level not change ,counter reset.
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handle->debounce_cnt = 0;
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}
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/*-----------------State machine-------------------*/
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switch (handle->state) {
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case 0:
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if(handle->button_level == handle->active_level) { //start press down
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handle->event = (uint8_t)PRESS_DOWN;
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EVENT_CB(PRESS_DOWN);
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handle->ticks = 0;
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handle->repeat = 1;
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handle->state = 1;
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} else {
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handle->event = (uint8_t)NONE_PRESS;
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}
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break;
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case 1:
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if(handle->button_level != handle->active_level) { //released press up
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handle->event = (uint8_t)PRESS_UP;
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EVENT_CB(PRESS_UP);
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handle->ticks = 0;
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handle->state = 2;
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} else if(handle->ticks > LONG_TICKS) {
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handle->event = (uint8_t)LONG_PRESS_START;
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EVENT_CB(LONG_PRESS_START);
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handle->state = 5;
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}
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break;
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case 2:
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if(handle->button_level == handle->active_level) { //press down again
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handle->event = (uint8_t)PRESS_DOWN;
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EVENT_CB(PRESS_DOWN);
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if(handle->repeat != PRESS_REPEAT_MAX_NUM) {
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handle->repeat++;
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}
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EVENT_CB(PRESS_REPEAT); // repeat hit
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handle->ticks = 0;
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handle->state = 3;
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} else if(handle->ticks > SHORT_TICKS) { //released timeout
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if(handle->repeat == 1) {
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handle->event = (uint8_t)SINGLE_CLICK;
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EVENT_CB(SINGLE_CLICK);
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} else if(handle->repeat == 2) {
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handle->event = (uint8_t)DOUBLE_CLICK;
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EVENT_CB(DOUBLE_CLICK); // repeat hit
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}
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handle->state = 0;
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}
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break;
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case 3:
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if(handle->button_level != handle->active_level) { //released press up
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handle->event = (uint8_t)PRESS_UP;
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EVENT_CB(PRESS_UP);
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if(handle->ticks < SHORT_TICKS) {
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handle->ticks = 0;
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handle->state = 2; //repeat press
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} else {
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handle->state = 0;
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}
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} else if(handle->ticks > SHORT_TICKS) { // SHORT_TICKS < press down hold time < LONG_TICKS
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handle->state = 1;
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}
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break;
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case 5:
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if(handle->button_level == handle->active_level) {
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//continue hold trigger
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handle->event = (uint8_t)LONG_PRESS_HOLD;
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EVENT_CB(LONG_PRESS_HOLD);
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} else { //released
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handle->event = (uint8_t)PRESS_UP;
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EVENT_CB(PRESS_UP);
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handle->state = 0; //reset
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}
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break;
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default:
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handle->state = 0; //reset
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break;
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}
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}
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/**
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* @brief Start the button work, add the handle into work list.
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* @param handle: target handle struct.
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* @retval 0: succeed. -1: already exist.
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*/
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int button_start(struct Button* handle)
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{
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struct Button* target = head_handle;
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while(target) {
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if(target == handle) return -1; //already exist.
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target = target->next;
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}
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handle->next = head_handle;
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head_handle = handle;
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return 0;
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}
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/**
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* @brief Stop the button work, remove the handle off work list.
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* @param handle: target handle struct.
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* @retval None
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*/
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void button_stop(struct Button* handle)
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{
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struct Button** curr;
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for(curr = &head_handle; *curr; ) {
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struct Button* entry = *curr;
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if(entry == handle) {
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*curr = entry->next;
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// free(entry);
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return;//glacier add 2021-8-18
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} else {
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curr = &entry->next;
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}
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}
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}
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/**
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* @brief background ticks, timer repeat invoking interval 5ms.
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* @param None.
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* @retval None
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*/
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void button_ticks(void)
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{
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struct Button* target;
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for(target=head_handle; target; target=target->next) {
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button_handler(target);
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}
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}
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@@ -1,62 +0,0 @@
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/*
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* Copyright (c) 2016 Zibin Zheng <znbin@qq.com>
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* All rights reserved
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*/
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#ifndef _MULTI_BUTTON_H_
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#define _MULTI_BUTTON_H_
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#include <stdint.h>
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#include <string.h>
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//According to your need to modify the constants.
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#define TICKS_INTERVAL 5 //ms
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#define DEBOUNCE_TICKS 3 //MAX 7 (0 ~ 7)
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#define SHORT_TICKS (300 /TICKS_INTERVAL)
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#define LONG_TICKS (1000 /TICKS_INTERVAL)
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typedef void (*BtnCallback)(void*);
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typedef enum {
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PRESS_DOWN = 0,
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PRESS_UP,
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PRESS_REPEAT,
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SINGLE_CLICK,
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DOUBLE_CLICK,
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LONG_PRESS_START,
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LONG_PRESS_HOLD,
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number_of_event,
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NONE_PRESS
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}PressEvent;
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typedef struct Button {
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uint16_t ticks;
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uint8_t repeat : 4;
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uint8_t event : 4;
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uint8_t state : 3;
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uint8_t debounce_cnt : 3;
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uint8_t active_level : 1;
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uint8_t button_level : 1;
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uint8_t button_id;
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uint8_t (*hal_button_Level)(uint8_t button_id_);
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BtnCallback cb[number_of_event];
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struct Button* next;
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}Button;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void button_init(struct Button* handle, uint8_t(*pin_level)(uint8_t), uint8_t active_level, uint8_t button_id);
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void button_attach(struct Button* handle, PressEvent event, BtnCallback cb);
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PressEvent get_button_event(struct Button* handle);
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int button_start(struct Button* handle);
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void button_stop(struct Button* handle);
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void button_ticks(void);
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#ifdef __cplusplus
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}
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#endif
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#endif
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Reference in New Issue
Block a user