#include "cst816x.h"
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#include "board.h"
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#include "application.h"
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#include "display.h"
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#include "assets/lang_config.h"
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#include "wifi_board.h"
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#include "power_save_timer.h"
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#include "codecs/es8311_audio_codec.h"
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#include <algorithm> // 用于std::max/std::min
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#define TAG "Cst816x"
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const Cst816x::TouchThresholdConfig& Cst816x::getThresholdConfig(int x, int y) {
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for (const auto& config : TOUCH_THRESHOLD_TABLE) {
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if (config.x == x && config.y == y) {
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return config;
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}
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}
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return DEFAULT_THRESHOLD;
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}
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Cst816x::Cst816x(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : I2cDevice(i2c_bus, addr) {
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uint8_t chip_id = ReadReg(0xA7);
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ESP_LOGI(TAG, "Get CST816x chip ID: 0x%02X", chip_id);
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read_buffer_ = new uint8_t[6];
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}
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Cst816x::~Cst816x() {
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if (read_buffer_ != nullptr) {
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delete[] read_buffer_;
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read_buffer_ = nullptr;
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}
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}
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int64_t Cst816x::getCurrentTimeUs() {
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struct timeval tv;
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gettimeofday(&tv, nullptr);
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return (int64_t)tv.tv_sec * 1000000L + tv.tv_usec;
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}
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void Cst816x::UpdateTouchPoint() {
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ReadRegs(0x02, read_buffer_, 6);
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tp_.num = read_buffer_[0] & 0x0F;
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tp_.x = ((read_buffer_[1] & 0x0F) << 8) | read_buffer_[2];
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tp_.y = ((read_buffer_[3] & 0x0F) << 8) | read_buffer_[4];
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memset(read_buffer_, 0, 6);
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}
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void Cst816x::resetTouchCounters() {
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is_touching_ = false;
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touch_start_time_ = 0;
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last_release_time_ = 0;
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click_count_ = 0;
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long_press_started_ = false;
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is_volume_long_pressing_ = false;
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volume_long_press_dir_ = 0;
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last_volume_adjust_time_ = 0;
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}
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void Cst816x::touchpad_daemon(void* arg) {
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Cst816x* cst816x = static_cast<Cst816x*>(arg);
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auto& board = Board::GetInstance();
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auto codec = board.GetAudioCodec();
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auto display = board.GetDisplay();
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while (1) {
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cst816x->UpdateTouchPoint();
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auto& tp = cst816x->GetTouchPoint();
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int64_t current_time = cst816x->getCurrentTimeUs();
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const auto& config = cst816x->getThresholdConfig(tp.x, tp.y);
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if (tp.num > 0) {
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ESP_LOGD(TAG, "Touch at (%d,%d) → SingleThresh:%lldms, DoubleWindow:%lldms, LongThresh:%lldms",
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tp.x, tp.y,
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config.single_click_thresh_us / 1000,
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config.double_click_window_us / 1000,
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config.long_press_thresh_us / 1000);
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}
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TouchEvent current_event;
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bool event_detected = false;
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if (tp.num > 0 && !cst816x->is_touching_) {
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cst816x->is_touching_ = true;
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cst816x->touch_start_time_ = current_time;
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cst816x->long_press_started_ = false;
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}
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else if (tp.num > 0 && cst816x->is_touching_) {
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if (!cst816x->long_press_started_ &&
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(current_time - cst816x->touch_start_time_ >= config.long_press_thresh_us)) {
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current_event = {TouchEventType::LONG_PRESS_START, tp.x, tp.y};
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event_detected = true;
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cst816x->long_press_started_ = true;
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}
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}
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else if (tp.num == 0 && cst816x->is_touching_) {
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cst816x->is_touching_ = false;
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int64_t touch_duration = current_time - cst816x->touch_start_time_;
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cst816x->last_release_time_ = current_time;
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if (cst816x->long_press_started_) {
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current_event = {TouchEventType::LONG_PRESS_END, tp.x, tp.y};
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event_detected = true;
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}
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else if (touch_duration <= config.single_click_thresh_us) {
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cst816x->click_count_++;
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}
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}
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else if (tp.num == 0 && !cst816x->is_touching_) {
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if (cst816x->click_count_ > 0 &&
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(current_time - cst816x->last_release_time_ >= config.double_click_window_us)) {
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if (cst816x->click_count_ == 2) {
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current_event = {TouchEventType::DOUBLE_CLICK, tp.x, tp.y};
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event_detected = true;
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}
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else if (cst816x->click_count_ == 1) {
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current_event = {TouchEventType::SINGLE_CLICK, tp.x, tp.y};
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event_detected = true;
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}
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cst816x->click_count_ = 0;
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}
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}
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if (event_detected) {
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if (current_event.y == 600 && (current_event.x == 20 || current_event.x == 40 || current_event.x == 60)) {
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switch (current_event.type) {
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case TouchEventType::SINGLE_CLICK:
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if (current_event.x == 40) {
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board.SetPowerSaveLevel(PowerSaveLevel::PERFORMANCE);
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auto& app = Application::GetInstance();
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if (app.GetDeviceState() == kDeviceStateStarting) {
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auto& wifi_board = static_cast<WifiBoard&>(Board::GetInstance());
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wifi_board.EnterWifiConfigMode();
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return;
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}
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app.ToggleChatState();
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} else if (current_event.x == 20) { // 20,600 单击：音量+
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int current_vol = codec->output_volume();
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int new_vol = current_vol + 10;
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new_vol = (new_vol >= ES8311_VOL_MAX) ? ES8311_VOL_MAX : new_vol;
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ESP_LOGI(TAG, "current_vol, new_vol(%d, %d)", current_vol, new_vol);
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codec->EnableOutput(true);
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codec->SetOutputVolume(new_vol);
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display->ShowNotification(Lang::Strings::VOLUME + std::to_string(new_vol));
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} else if (current_event.x == 60) { // 60,600 单击：音量-
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int current_vol = codec->output_volume();
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int new_vol = current_vol - 10;
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new_vol = (new_vol <= ES8311_VOL_MIN) ? ES8311_VOL_MIN : new_vol;
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ESP_LOGI(TAG, "current_vol, new_vol(%d, %d)", current_vol, new_vol);
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codec->EnableOutput(true);
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codec->SetOutputVolume(new_vol);
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display->ShowNotification(Lang::Strings::VOLUME + std::to_string(new_vol));
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}
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break;
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case TouchEventType::DOUBLE_CLICK:
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ESP_LOGI(TAG, "Double click detected at (%d, %d)", current_event.x, current_event.y);
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break;
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case TouchEventType::LONG_PRESS_START:
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ESP_LOGI(TAG, "Long press started at (%d, %d) → Start volume adjust", current_event.x, current_event.y);
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if (current_event.x == 20) {
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cst816x->is_volume_long_pressing_ = true;
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cst816x->volume_long_press_dir_ = 1;
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cst816x->last_volume_adjust_time_ = current_time;
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} else if (current_event.x == 60) {
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cst816x->is_volume_long_pressing_ = true;
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cst816x->volume_long_press_dir_ = -1;
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cst816x->last_volume_adjust_time_ = current_time;
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}
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break;
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case TouchEventType::LONG_PRESS_END:
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ESP_LOGI(TAG, "Long press ended at (%d, %d) → Stop volume adjust", current_event.x, current_event.y);
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if (current_event.x == 20 || current_event.x == 60) {
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cst816x->is_volume_long_pressing_ = false;
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cst816x->volume_long_press_dir_ = 0;
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cst816x->last_volume_adjust_time_ = 0;
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}
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break;
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}
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}
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}
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if (cst816x->is_volume_long_pressing_) {
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int64_t now = cst816x->getCurrentTimeUs();
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if (now - cst816x->last_volume_adjust_time_ >= cst816x->VOL_ADJ_INTERVAL_US) {
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int current_vol = codec->output_volume();
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int new_vol = current_vol + (cst816x->volume_long_press_dir_ * cst816x->VOL_ADJ_STEP);
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new_vol = std::max(ES8311_VOL_MIN, std::min(ES8311_VOL_MAX, new_vol));
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if (new_vol != current_vol) {
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codec->EnableOutput(true);
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codec->SetOutputVolume(new_vol);
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display->ShowNotification(Lang::Strings::VOLUME + std::to_string(new_vol));
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cst816x->last_volume_adjust_time_ = now;
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} else {
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cst816x->is_volume_long_pressing_ = false;
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cst816x->volume_long_press_dir_ = 0;
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ESP_LOGI(TAG, "Volume reached limit (%d), stop adjusting", new_vol);
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}
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}
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}
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vTaskDelay(pdMS_TO_TICKS(40));
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}
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}
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void Cst816x::InitCst816d() {
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ESP_LOGI(TAG, "Init CST816x touch driver");
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xTaskCreate(touchpad_daemon, "touch_daemon", 2048, this, 1, NULL);
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}
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