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DockerFluxDC/managed_components/espressif__button/iot_button.c

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改为家里的环境 代码还是那个代码
2025-11-28 19:41:00 +08:00
/* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/timers.h"
#include "driver/gpio.h"
#include "esp_timer.h"
#include "esp_log.h"
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
#include "esp_pm.h"
#endif
#include "iot_button.h"
#include "sdkconfig.h"
static const char *TAG = "button";
static portMUX_TYPE s_button_lock = portMUX_INITIALIZER_UNLOCKED;
#define BUTTON_ENTER_CRITICAL() portENTER_CRITICAL(&s_button_lock)
#define BUTTON_EXIT_CRITICAL() portEXIT_CRITICAL(&s_button_lock)
#define BTN_CHECK(a, str, ret_val) \
if (!(a)) { \
ESP_LOGE(TAG, "%s(%d): %s", __FUNCTION__, __LINE__, str); \
return (ret_val); \
}
static const char *button_event_str[] = {
"BUTTON_PRESS_DOWN",
"BUTTON_PRESS_UP",
"BUTTON_PRESS_REPEAT",
"BUTTON_PRESS_REPEAT_DONE",
"BUTTON_SINGLE_CLICK",
"BUTTON_DOUBLE_CLICK",
"BUTTON_MULTIPLE_CLICK",
"BUTTON_LONG_PRESS_START",
"BUTTON_LONG_PRESS_HOLD",
"BUTTON_LONG_PRESS_UP",
"BUTTON_PRESS_END",
"BUTTON_EVENT_MAX",
"BUTTON_NONE_PRESS",
};
/**
* @brief Structs to store callback info
*
*/
typedef struct {
button_cb_t cb;
void *usr_data;
button_event_data_t event_data;
} button_cb_info_t;
/**
* @brief Structs to record individual key parameters
*
*/
typedef struct Button {
uint32_t ticks; /*!< Count for the current button state. */
uint32_t long_press_ticks; /*!< Trigger ticks for long press, */
uint32_t short_press_ticks; /*!< Trigger ticks for repeat press */
uint32_t long_press_hold_cnt; /*!< Record long press hold count */
uint8_t repeat;
uint8_t state: 3;
uint8_t debounce_cnt: 3;
uint8_t active_level: 1;
uint8_t button_level: 1;
uint8_t enable_power_save: 1;
button_event_t event;
uint8_t (*hal_button_Level)(void *hardware_data);
esp_err_t (*hal_button_deinit)(void *hardware_data);
void *hardware_data;
button_type_t type;
button_cb_info_t *cb_info[BUTTON_EVENT_MAX];
size_t size[BUTTON_EVENT_MAX];
int count[2];
struct Button *next;
} button_dev_t;
//button handle list head.
static button_dev_t *g_head_handle = NULL;
static esp_timer_handle_t g_button_timer_handle = NULL;
static bool g_is_timer_running = false;
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
static button_power_save_config_t power_save_usr_cfg = {0};
#endif
#define TICKS_INTERVAL CONFIG_BUTTON_PERIOD_TIME_MS
#define DEBOUNCE_TICKS CONFIG_BUTTON_DEBOUNCE_TICKS //MAX 8
#define SHORT_TICKS (CONFIG_BUTTON_SHORT_PRESS_TIME_MS /TICKS_INTERVAL)
#define LONG_TICKS (CONFIG_BUTTON_LONG_PRESS_TIME_MS /TICKS_INTERVAL)
#define SERIAL_TICKS (CONFIG_BUTTON_SERIAL_TIME_MS /TICKS_INTERVAL)
#define TOLERANCE (CONFIG_BUTTON_PERIOD_TIME_MS*4)
#define CALL_EVENT_CB(ev) \
if (btn->cb_info[ev]) { \
for (int i = 0; i < btn->size[ev]; i++) { \
btn->cb_info[ev][i].cb(btn, btn->cb_info[ev][i].usr_data); \
} \
} \
#define TIME_TO_TICKS(time, congfig_time) (0 == (time))?congfig_time:(((time) / TICKS_INTERVAL))?((time) / TICKS_INTERVAL):1
/**
* @brief Button driver core function, driver state machine.
*/
static void button_handler(button_dev_t *btn)
{
uint8_t read_gpio_level = btn->hal_button_Level(btn->hardware_data);
/** ticks counter working.. */
if ((btn->state) > 0) {
btn->ticks++;
}
/**< button debounce handle */
if (read_gpio_level != btn->button_level) {
if (++(btn->debounce_cnt) >= DEBOUNCE_TICKS) {
btn->button_level = read_gpio_level;
btn->debounce_cnt = 0;
}
} else {
btn->debounce_cnt = 0;
}
/** State machine */
switch (btn->state) {
case 0:
if (btn->button_level == btn->active_level) {
btn->event = (uint8_t)BUTTON_PRESS_DOWN;
CALL_EVENT_CB(BUTTON_PRESS_DOWN);
btn->ticks = 0;
btn->repeat = 1;
btn->state = 1;
} else {
btn->event = (uint8_t)BUTTON_NONE_PRESS;
}
break;
case 1:
if (btn->button_level != btn->active_level) {
btn->event = (uint8_t)BUTTON_PRESS_UP;
CALL_EVENT_CB(BUTTON_PRESS_UP);
btn->ticks = 0;
btn->state = 2;
} else if (btn->ticks >= btn->long_press_ticks) {
btn->event = (uint8_t)BUTTON_LONG_PRESS_START;
btn->state = 4;
/** Calling callbacks for BUTTON_LONG_PRESS_START */
uint32_t ticks_time = iot_button_get_ticks_time(btn);
int32_t diff = ticks_time - btn->long_press_ticks * TICKS_INTERVAL;
if (btn->cb_info[btn->event] && btn->count[0] == 0) {
if (abs(diff) <= TOLERANCE && btn->cb_info[btn->event][btn->count[0]].event_data.long_press.press_time == (btn->long_press_ticks * TICKS_INTERVAL)) {
do {
btn->cb_info[btn->event][btn->count[0]].cb(btn, btn->cb_info[btn->event][btn->count[0]].usr_data);
btn->count[0]++;
if (btn->count[0] >= btn->size[btn->event]) {
break;
}
} while (btn->cb_info[btn->event][btn->count[0]].event_data.long_press.press_time == btn->long_press_ticks * TICKS_INTERVAL);
}
}
}
break;
case 2:
if (btn->button_level == btn->active_level) {
btn->event = (uint8_t)BUTTON_PRESS_DOWN;
CALL_EVENT_CB(BUTTON_PRESS_DOWN);
btn->event = (uint8_t)BUTTON_PRESS_REPEAT;
btn->repeat++;
CALL_EVENT_CB(BUTTON_PRESS_REPEAT); // repeat hit
btn->ticks = 0;
btn->state = 3;
} else if (btn->ticks > btn->short_press_ticks) {
if (btn->repeat == 1) {
btn->event = (uint8_t)BUTTON_SINGLE_CLICK;
CALL_EVENT_CB(BUTTON_SINGLE_CLICK);
} else if (btn->repeat == 2) {
btn->event = (uint8_t)BUTTON_DOUBLE_CLICK;
CALL_EVENT_CB(BUTTON_DOUBLE_CLICK); // repeat hit
}
btn->event = (uint8_t)BUTTON_MULTIPLE_CLICK;
/** Calling the callbacks for MULTIPLE BUTTON CLICKS */
for (int i = 0; i < btn->size[btn->event]; i++) {
if (btn->repeat == btn->cb_info[btn->event][i].event_data.multiple_clicks.clicks) {
do {
btn->cb_info[btn->event][i].cb(btn, btn->cb_info[btn->event][i].usr_data);
i++;
if (i >= btn->size[btn->event]) {
break;
}
} while (btn->cb_info[btn->event][i].event_data.multiple_clicks.clicks == btn->repeat);
}
}
btn->event = (uint8_t)BUTTON_PRESS_REPEAT_DONE;
CALL_EVENT_CB(BUTTON_PRESS_REPEAT_DONE); // repeat hit
btn->repeat = 0;
btn->state = 0;
btn->event = (uint8_t)BUTTON_PRESS_END;
CALL_EVENT_CB(BUTTON_PRESS_END);
}
break;
case 3:
if (btn->button_level != btn->active_level) {
btn->event = (uint8_t)BUTTON_PRESS_UP;
CALL_EVENT_CB(BUTTON_PRESS_UP);
if (btn->ticks < btn->short_press_ticks) {
btn->ticks = 0;
btn->state = 2; //repeat press
} else {
btn->state = 0;
btn->event = (uint8_t)BUTTON_PRESS_END;
CALL_EVENT_CB(BUTTON_PRESS_END);
}
}
break;
case 4:
if (btn->button_level == btn->active_level) {
//continue hold trigger
if (btn->ticks >= (btn->long_press_hold_cnt + 1) * SERIAL_TICKS + btn->long_press_ticks) {
btn->event = (uint8_t)BUTTON_LONG_PRESS_HOLD;
btn->long_press_hold_cnt++;
CALL_EVENT_CB(BUTTON_LONG_PRESS_HOLD);
/** Calling callbacks for BUTTON_LONG_PRESS_START based on press_time */
uint32_t ticks_time = iot_button_get_ticks_time(btn);
if (btn->cb_info[BUTTON_LONG_PRESS_START]) {
button_cb_info_t *cb_info = btn->cb_info[BUTTON_LONG_PRESS_START];
uint16_t time = cb_info[btn->count[0]].event_data.long_press.press_time;
if (btn->long_press_ticks * TICKS_INTERVAL > time) {
for (int i = btn->count[0] + 1; i < btn->size[BUTTON_LONG_PRESS_START]; i++) {
time = cb_info[i].event_data.long_press.press_time;
if (btn->long_press_ticks * TICKS_INTERVAL <= time) {
btn->count[0] = i;
break;
}
}
}
if (btn->count[0] < btn->size[BUTTON_LONG_PRESS_START] && abs((int)ticks_time - (int)time) <= TOLERANCE) {
btn->event = (uint8_t)BUTTON_LONG_PRESS_START;
do {
cb_info[btn->count[0]].cb(btn, cb_info[btn->count[0]].usr_data);
btn->count[0]++;
if (btn->count[0] >= btn->size[BUTTON_LONG_PRESS_START]) {
break;
}
} while (time == cb_info[btn->count[0]].event_data.long_press.press_time);
}
}
/** Updating counter for BUTTON_LONG_PRESS_UP press_time */
if (btn->cb_info[BUTTON_LONG_PRESS_UP]) {
button_cb_info_t *cb_info = btn->cb_info[BUTTON_LONG_PRESS_UP];
uint16_t time = cb_info[btn->count[1] + 1].event_data.long_press.press_time;
if (btn->long_press_ticks * TICKS_INTERVAL > time) {
for (int i = btn->count[1] + 1; i < btn->size[BUTTON_LONG_PRESS_UP]; i++) {
time = cb_info[i].event_data.long_press.press_time;
if (btn->long_press_ticks * TICKS_INTERVAL <= time) {
btn->count[1] = i;
break;
}
}
}
if (btn->count[1] + 1 < btn->size[BUTTON_LONG_PRESS_UP] && abs((int)ticks_time - (int)time) <= TOLERANCE) {
do {
btn->count[1]++;
if (btn->count[1] + 1 >= btn->size[BUTTON_LONG_PRESS_UP]) {
break;
}
} while (time == cb_info[btn->count[1] + 1].event_data.long_press.press_time);
}
}
}
} else { //releasd
btn->event = BUTTON_LONG_PRESS_UP;
/** calling callbacks for BUTTON_LONG_PRESS_UP press_time */
if (btn->cb_info[btn->event] && btn->count[1] >= 0) {
button_cb_info_t *cb_info = btn->cb_info[btn->event];
do {
cb_info[btn->count[1]].cb(btn, cb_info[btn->count[1]].usr_data);
if (!btn->count[1]) {
break;
}
btn->count[1]--;
} while (cb_info[btn->count[1]].event_data.long_press.press_time == cb_info[btn->count[1] + 1].event_data.long_press.press_time);
/** Reset the counter */
btn->count[1] = -1;
}
/** Reset counter */
if (btn->cb_info[BUTTON_LONG_PRESS_START]) {
btn->count[0] = 0;
}
btn->event = (uint8_t)BUTTON_PRESS_UP;
CALL_EVENT_CB(BUTTON_PRESS_UP);
btn->state = 0; //reset
btn->long_press_hold_cnt = 0;
btn->event = (uint8_t)BUTTON_PRESS_END;
CALL_EVENT_CB(BUTTON_PRESS_END);
}
break;
}
}
static void button_cb(void *args)
{
button_dev_t *target;
/*!< When all buttons enter the BUTTON_NONE_PRESS state, the system enters low-power mode */
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
bool enter_power_save_flag = true;
#endif
for (target = g_head_handle; target; target = target->next) {
button_handler(target);
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
if (!(target->enable_power_save && target->debounce_cnt == 0 && target->event == BUTTON_NONE_PRESS)) {
enter_power_save_flag = false;
}
#endif
}
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
if (enter_power_save_flag) {
/*!< Stop esp timer for power save */
if (g_is_timer_running) {
esp_timer_stop(g_button_timer_handle);
g_is_timer_running = false;
}
for (target = g_head_handle; target; target = target->next) {
if (target->type == BUTTON_TYPE_GPIO && target->enable_power_save) {
button_gpio_intr_control((int)(target->hardware_data), true);
button_gpio_enable_gpio_wakeup((uint32_t)(target->hardware_data), target->active_level, true);
}
}
/*!< Notify the user that the Button has entered power save mode by calling this callback function. */
if (power_save_usr_cfg.enter_power_save_cb) {
power_save_usr_cfg.enter_power_save_cb(power_save_usr_cfg.usr_data);
}
}
#endif
}
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
static void IRAM_ATTR button_power_save_isr_handler(void* arg)
{
if (!g_is_timer_running) {
esp_timer_start_periodic(g_button_timer_handle, TICKS_INTERVAL * 1000U);
g_is_timer_running = true;
}
button_gpio_intr_control((int)arg, false);
/*!< disable gpio wakeup not need active level*/
button_gpio_enable_gpio_wakeup((uint32_t)arg, 0, false);
}
#endif
static button_dev_t *button_create_com(uint8_t active_level, uint8_t (*hal_get_key_state)(void *hardware_data), void *hardware_data, uint16_t long_press_ticks, uint16_t short_press_ticks)
{
BTN_CHECK(NULL != hal_get_key_state, "Function pointer is invalid", NULL);
button_dev_t *btn = (button_dev_t *) calloc(1, sizeof(button_dev_t));
BTN_CHECK(NULL != btn, "Button memory alloc failed", NULL);
btn->hardware_data = hardware_data;
btn->event = BUTTON_NONE_PRESS;
btn->active_level = active_level;
btn->hal_button_Level = hal_get_key_state;
btn->button_level = !active_level;
btn->long_press_ticks = long_press_ticks;
btn->short_press_ticks = short_press_ticks;
/** Add handle to list */
btn->next = g_head_handle;
g_head_handle = btn;
if (!g_button_timer_handle) {
esp_timer_create_args_t button_timer = {0};
button_timer.arg = NULL;
button_timer.callback = button_cb;
button_timer.dispatch_method = ESP_TIMER_TASK;
button_timer.name = "button_timer";
esp_timer_create(&button_timer, &g_button_timer_handle);
}
return btn;
}
static esp_err_t button_delete_com(button_dev_t *btn)
{
BTN_CHECK(NULL != btn, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_dev_t **curr;
for (curr = &g_head_handle; *curr;) {
button_dev_t *entry = *curr;
if (entry == btn) {
*curr = entry->next;
free(entry);
} else {
curr = &entry->next;
}
}
/* count button number */
uint16_t number = 0;
button_dev_t *target = g_head_handle;
while (target) {
target = target->next;
number++;
}
ESP_LOGD(TAG, "remain btn number=%d", number);
if (0 == number && g_is_timer_running) { /**< if all button is deleted, stop the timer */
esp_timer_stop(g_button_timer_handle);
esp_timer_delete(g_button_timer_handle);
g_button_timer_handle = NULL;
g_is_timer_running = false;
}
return ESP_OK;
}
button_handle_t iot_button_create(const button_config_t *config)
{
ESP_LOGI(TAG, "IoT Button Version: %d.%d.%d", BUTTON_VER_MAJOR, BUTTON_VER_MINOR, BUTTON_VER_PATCH);
BTN_CHECK(config, "Invalid button config", NULL);
esp_err_t ret = ESP_OK;
button_dev_t *btn = NULL;
uint16_t long_press_time = 0;
uint16_t short_press_time = 0;
long_press_time = TIME_TO_TICKS(config->long_press_time, LONG_TICKS);
short_press_time = TIME_TO_TICKS(config->short_press_time, SHORT_TICKS);
switch (config->type) {
case BUTTON_TYPE_GPIO: {
const button_gpio_config_t *cfg = &(config->gpio_button_config);
ret = button_gpio_init(cfg);
BTN_CHECK(ESP_OK == ret, "gpio button init failed", NULL);
btn = button_create_com(cfg->active_level, button_gpio_get_key_level, (void *)cfg->gpio_num, long_press_time, short_press_time);
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
if (cfg->enable_power_save) {
btn->enable_power_save = cfg->enable_power_save;
button_gpio_set_intr(cfg->gpio_num, cfg->active_level == 0 ? GPIO_INTR_LOW_LEVEL : GPIO_INTR_HIGH_LEVEL, button_power_save_isr_handler, (void *)cfg->gpio_num);
}
#endif
} break;
#if CONFIG_SOC_ADC_SUPPORTED
case BUTTON_TYPE_ADC: {
const button_adc_config_t *cfg = &(config->adc_button_config);
ret = button_adc_init(cfg);
BTN_CHECK(ESP_OK == ret, "adc button init failed", NULL);
btn = button_create_com(1, button_adc_get_key_level, (void *)ADC_BUTTON_COMBINE(cfg->adc_channel, cfg->button_index), long_press_time, short_press_time);
} break;
#endif
case BUTTON_TYPE_MATRIX: {
const button_matrix_config_t *cfg = &(config->matrix_button_config);
ret = button_matrix_init(cfg);
BTN_CHECK(ESP_OK == ret, "matrix button init failed", NULL);
btn = button_create_com(1, button_matrix_get_key_level, (void *)MATRIX_BUTTON_COMBINE(cfg->row_gpio_num, cfg->col_gpio_num), long_press_time, short_press_time);
} break;
case BUTTON_TYPE_CUSTOM: {
if (config->custom_button_config.button_custom_init) {
ret = config->custom_button_config.button_custom_init(config->custom_button_config.priv);
BTN_CHECK(ESP_OK == ret, "custom button init failed", NULL);
}
btn = button_create_com(config->custom_button_config.active_level,
config->custom_button_config.button_custom_get_key_value,
config->custom_button_config.priv,
long_press_time, short_press_time);
if (btn) {
btn->hal_button_deinit = config->custom_button_config.button_custom_deinit;
}
} break;
default:
ESP_LOGE(TAG, "Unsupported button type");
break;
}
BTN_CHECK(NULL != btn, "button create failed", NULL);
btn->type = config->type;
if (!btn->enable_power_save && !g_is_timer_running) {
esp_timer_start_periodic(g_button_timer_handle, TICKS_INTERVAL * 1000U);
g_is_timer_running = true;
}
return (button_handle_t)btn;
}
esp_err_t iot_button_delete(button_handle_t btn_handle)
{
esp_err_t ret = ESP_OK;
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *)btn_handle;
switch (btn->type) {
case BUTTON_TYPE_GPIO:
ret = button_gpio_deinit((int)(btn->hardware_data));
break;
#if CONFIG_SOC_ADC_SUPPORTED
case BUTTON_TYPE_ADC:
ret = button_adc_deinit(ADC_BUTTON_SPLIT_CHANNEL(btn->hardware_data), ADC_BUTTON_SPLIT_INDEX(btn->hardware_data));
break;
#endif
case BUTTON_TYPE_MATRIX:
ret = button_matrix_deinit(MATRIX_BUTTON_SPLIT_ROW(btn->hardware_data), MATRIX_BUTTON_SPLIT_COL(btn->hardware_data));
break;
case BUTTON_TYPE_CUSTOM:
if (btn->hal_button_deinit) {
ret = btn->hal_button_deinit(btn->hardware_data);
}
break;
default:
break;
}
BTN_CHECK(ESP_OK == ret, "button deinit failed", ESP_FAIL);
for (int i = 0; i < BUTTON_EVENT_MAX; i++) {
if (btn->cb_info[i]) {
free(btn->cb_info[i]);
}
}
button_delete_com(btn);
return ESP_OK;
}
esp_err_t iot_button_register_cb(button_handle_t btn_handle, button_event_t event, button_cb_t cb, void *usr_data)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *) btn_handle;
BTN_CHECK(event != BUTTON_MULTIPLE_CLICK, "event argument is invalid", ESP_ERR_INVALID_ARG);
button_event_config_t event_cfg = {
.event = event,
};
if ((event == BUTTON_LONG_PRESS_START || event == BUTTON_LONG_PRESS_UP) && !event_cfg.event_data.long_press.press_time) {
event_cfg.event_data.long_press.press_time = btn->long_press_ticks * TICKS_INTERVAL;
}
return iot_button_register_event_cb(btn_handle, event_cfg, cb, usr_data);
}
esp_err_t iot_button_register_event_cb(button_handle_t btn_handle, button_event_config_t event_cfg, button_cb_t cb, void *usr_data)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *) btn_handle;
button_event_t event = event_cfg.event;
BTN_CHECK(event < BUTTON_EVENT_MAX, "event is invalid", ESP_ERR_INVALID_ARG);
BTN_CHECK(!(event == BUTTON_LONG_PRESS_START || event == BUTTON_LONG_PRESS_UP) || event_cfg.event_data.long_press.press_time > btn->short_press_ticks * TICKS_INTERVAL, "event_data is invalid", ESP_ERR_INVALID_ARG);
BTN_CHECK(event != BUTTON_MULTIPLE_CLICK || event_cfg.event_data.multiple_clicks.clicks, "event_data is invalid", ESP_ERR_INVALID_ARG);
if (!btn->cb_info[event]) {
btn->cb_info[event] = calloc(1, sizeof(button_cb_info_t));
BTN_CHECK(NULL != btn->cb_info[event], "calloc cb_info failed", ESP_ERR_NO_MEM);
if (event == BUTTON_LONG_PRESS_START) {
btn->count[0] = 0;
} else if (event == BUTTON_LONG_PRESS_UP) {
btn->count[1] = -1;
}
} else {
button_cb_info_t *p = realloc(btn->cb_info[event], sizeof(button_cb_info_t) * (btn->size[event] + 1));
BTN_CHECK(NULL != p, "realloc cb_info failed", ESP_ERR_NO_MEM);
btn->cb_info[event] = p;
}
btn->cb_info[event][btn->size[event]].cb = cb;
btn->cb_info[event][btn->size[event]].usr_data = usr_data;
btn->size[event]++;
/** Inserting the event_data in sorted manner */
if (event == BUTTON_LONG_PRESS_START || event == BUTTON_LONG_PRESS_UP) {
uint16_t press_time = event_cfg.event_data.long_press.press_time;
BTN_CHECK(press_time / TICKS_INTERVAL > btn->short_press_ticks, "press_time event_data is less than short_press_ticks", ESP_ERR_INVALID_ARG);
if (btn->size[event] >= 2) {
for (int i = btn->size[event] - 2; i >= 0; i--) {
if (btn->cb_info[event][i].event_data.long_press.press_time > press_time) {
btn->cb_info[event][i + 1] = btn->cb_info[event][i];
btn->cb_info[event][i].event_data.long_press.press_time = press_time;
btn->cb_info[event][i].cb = cb;
btn->cb_info[event][i].usr_data = usr_data;
} else {
btn->cb_info[event][i + 1].event_data.long_press.press_time = press_time;
btn->cb_info[event][i + 1].cb = cb;
btn->cb_info[event][i + 1].usr_data = usr_data;
break;
}
}
} else {
btn->cb_info[event][btn->size[event] - 1].event_data.long_press.press_time = press_time;
}
int32_t press_ticks = press_time / TICKS_INTERVAL;
if (btn->short_press_ticks < press_ticks && press_ticks < btn->long_press_ticks) {
iot_button_set_param(btn, BUTTON_LONG_PRESS_TIME_MS, (void*)(intptr_t)press_time);
}
}
if (event == BUTTON_MULTIPLE_CLICK) {
if (btn->size[event] >= 2) {
for (int i = btn->size[event] - 2; i >= 0; i--) {
if (btn->cb_info[event][i].event_data.multiple_clicks.clicks > event_cfg.event_data.multiple_clicks.clicks) {
btn->cb_info[event][i + 1] = btn->cb_info[event][i];
btn->cb_info[event][i].event_data.multiple_clicks.clicks = event_cfg.event_data.multiple_clicks.clicks;
btn->cb_info[event][i].cb = cb;
btn->cb_info[event][i].usr_data = usr_data;
} else {
btn->cb_info[event][i + 1].event_data.multiple_clicks.clicks = event_cfg.event_data.multiple_clicks.clicks;
btn->cb_info[event][i + 1].cb = cb;
btn->cb_info[event][i + 1].usr_data = usr_data;
break;
}
}
} else {
btn->cb_info[event][btn->size[event] - 1].event_data.multiple_clicks.clicks = event_cfg.event_data.multiple_clicks.clicks;
}
}
return ESP_OK;
}
esp_err_t iot_button_unregister_cb(button_handle_t btn_handle, button_event_t event)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
BTN_CHECK(event < BUTTON_EVENT_MAX, "event is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *) btn_handle;
BTN_CHECK(NULL != btn->cb_info[event], "No callbacks registered for the event", ESP_ERR_INVALID_STATE);
if (btn->cb_info[event]) {
free(btn->cb_info[event]);
/** Reset the counter */
if (event == BUTTON_LONG_PRESS_START) {
btn->count[0] = 0;
} else if (event == BUTTON_LONG_PRESS_UP) {
btn->count[1] = -1;
}
}
btn->cb_info[event] = NULL;
btn->size[event] = 0;
return ESP_OK;
}
esp_err_t iot_button_unregister_event(button_handle_t btn_handle, button_event_config_t event_cfg, button_cb_t cb)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_event_t event = event_cfg.event;
BTN_CHECK(event < BUTTON_EVENT_MAX, "event is invalid", ESP_ERR_INVALID_ARG);
BTN_CHECK(NULL != cb, "Pointer to function callback is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *) btn_handle;
int check = -1;
for (int i = 0; i < btn->size[event]; i++) {
if (cb == btn->cb_info[event][i].cb) {
if ((event == BUTTON_LONG_PRESS_START || event == BUTTON_LONG_PRESS_UP) && event_cfg.event_data.long_press.press_time) {
if (event_cfg.event_data.long_press.press_time != btn->cb_info[event][i].event_data.long_press.press_time) {
continue;
}
}
if (event == BUTTON_MULTIPLE_CLICK && event_cfg.event_data.multiple_clicks.clicks) {
if (event_cfg.event_data.multiple_clicks.clicks != btn->cb_info[event][i].event_data.multiple_clicks.clicks) {
continue;
}
}
check = i;
for (int j = i; j <= btn->size[event] - 1; j++) {
btn->cb_info[event][j] = btn->cb_info[event][j + 1];
}
if (btn->size[event] != 1) {
button_cb_info_t *p = realloc(btn->cb_info[event], sizeof(button_cb_info_t) * (btn->size[event] - 1));
BTN_CHECK(NULL != p, "realloc cb_info failed", ESP_ERR_NO_MEM);
btn->cb_info[event] = p;
btn->size[event]--;
} else {
free(btn->cb_info[event]);
btn->cb_info[event] = NULL;
btn->size[event] = 0;
}
break;
}
}
BTN_CHECK(check != -1, "No such callback registered for the event", ESP_ERR_INVALID_STATE);
return ESP_OK;
}
size_t iot_button_count_cb(button_handle_t btn_handle)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *) btn_handle;
size_t ret = 0;
for (size_t i = 0; i < BUTTON_EVENT_MAX; i++) {
if (btn->cb_info[i]) {
ret += btn->size[i];
}
}
return ret;
}
size_t iot_button_count_event(button_handle_t btn_handle, button_event_t event)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *) btn_handle;
return btn->size[event];
}
button_event_t iot_button_get_event(button_handle_t btn_handle)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", BUTTON_NONE_PRESS);
button_dev_t *btn = (button_dev_t *) btn_handle;
return btn->event;
}
const char *iot_button_get_event_str(button_event_t event)
{
BTN_CHECK(event <= BUTTON_NONE_PRESS && event >= BUTTON_PRESS_DOWN, "event value is invalid", "invalid event");
return button_event_str[event];
}
esp_err_t iot_button_print_event(button_handle_t btn_handle)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_FAIL);
button_dev_t *btn = (button_dev_t *) btn_handle;
ESP_LOGI(TAG, "%s", button_event_str[btn->event]);
return ESP_OK;
}
uint8_t iot_button_get_repeat(button_handle_t btn_handle)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", 0);
button_dev_t *btn = (button_dev_t *) btn_handle;
return btn->repeat;
}
uint32_t iot_button_get_ticks_time(button_handle_t btn_handle)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", 0);
button_dev_t *btn = (button_dev_t *) btn_handle;
return (btn->ticks * TICKS_INTERVAL);
}
uint16_t iot_button_get_long_press_hold_cnt(button_handle_t btn_handle)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", 0);
button_dev_t *btn = (button_dev_t *) btn_handle;
return btn->long_press_hold_cnt;
}
esp_err_t iot_button_set_param(button_handle_t btn_handle, button_param_t param, void *value)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", ESP_ERR_INVALID_ARG);
button_dev_t *btn = (button_dev_t *) btn_handle;
BUTTON_ENTER_CRITICAL();
switch (param) {
case BUTTON_LONG_PRESS_TIME_MS:
btn->long_press_ticks = (int32_t)value / TICKS_INTERVAL;
break;
case BUTTON_SHORT_PRESS_TIME_MS:
btn->short_press_ticks = (int32_t)value / TICKS_INTERVAL;
break;
default:
break;
}
BUTTON_EXIT_CRITICAL();
return ESP_OK;
}
uint8_t iot_button_get_key_level(button_handle_t btn_handle)
{
BTN_CHECK(NULL != btn_handle, "Pointer of handle is invalid", 0);
button_dev_t *btn = (button_dev_t *)btn_handle;
uint8_t level = btn->hal_button_Level(btn->hardware_data);
return (level == btn->active_level) ? 1 : 0;
}
esp_err_t iot_button_resume(void)
{
BTN_CHECK(g_button_timer_handle, "Button timer handle is invalid", ESP_ERR_INVALID_STATE);
BTN_CHECK(!g_is_timer_running, "Button timer is already running", ESP_ERR_INVALID_STATE);
esp_err_t err = esp_timer_start_periodic(g_button_timer_handle, TICKS_INTERVAL * 1000U);
BTN_CHECK(ESP_OK == err, "Button timer start failed", ESP_FAIL);
g_is_timer_running = true;
return ESP_OK;
}
esp_err_t iot_button_stop(void)
{
BTN_CHECK(g_button_timer_handle, "Button timer handle is invalid", ESP_ERR_INVALID_STATE);
BTN_CHECK(g_is_timer_running, "Button timer is not running", ESP_ERR_INVALID_STATE);
esp_err_t err = esp_timer_stop(g_button_timer_handle);
BTN_CHECK(ESP_OK == err, "Button timer stop failed", ESP_FAIL);
g_is_timer_running = false;
return ESP_OK;
}
#if CONFIG_GPIO_BUTTON_SUPPORT_POWER_SAVE
esp_err_t iot_button_register_power_save_cb(const button_power_save_config_t *config)
{
BTN_CHECK(g_head_handle, "No button registered", ESP_ERR_INVALID_STATE);
BTN_CHECK(config->enter_power_save_cb, "Enter power save callback is invalid", ESP_ERR_INVALID_ARG);
power_save_usr_cfg.enter_power_save_cb = config->enter_power_save_cb;
power_save_usr_cfg.usr_data = config->usr_data;
return ESP_OK;
}
#endif
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