#include "wifi_board.h"
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#include "wifi_config_ui.h"
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#include "codecs/es8311_audio_codec.h"
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#include "display/lcd_display.h"
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#include "application.h"
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#include "button.h"
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#include "config.h"
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#include "i2c_device.h"
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#include "tca8418_keyboard.h"
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#include <esp_log.h>
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#include <driver/i2c_master.h>
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#include <driver/i2s_common.h>
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#include <driver/spi_common.h>
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#include <esp_lcd_panel_io.h>
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#include <esp_lcd_panel_ops.h>
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#include <esp_lcd_panel_vendor.h>
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#include <wifi_manager.h>
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#include <ssid_manager.h>
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#include <algorithm>
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#include <memory>
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#define TAG "CardputerAdv"
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// Backlight uses percentage scale (0-100). Keep a minimum of 30% to avoid a too-dim screen.
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#define MIN_BRIGHTNESS 30
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class M5StackCardputerAdvBoard : public WifiBoard {
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private:
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i2c_master_bus_handle_t i2c_bus_;
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LcdDisplay* display_;
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Button boot_button_;
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esp_lcd_panel_io_handle_t panel_io_ = nullptr;
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esp_lcd_panel_handle_t panel_ = nullptr;
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Tca8418Keyboard* keyboard_ = nullptr;
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std::unique_ptr<WifiConfigUI> wifi_config_ui_;
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bool wifi_config_mode_ = false;
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void InitializeI2c() {
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ESP_LOGI(TAG, "Initialize I2C bus");
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i2c_master_bus_config_t i2c_bus_cfg = {
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.i2c_port = I2C_NUM_0,
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.sda_io_num = AUDIO_CODEC_I2C_SDA_PIN,
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.scl_io_num = AUDIO_CODEC_I2C_SCL_PIN,
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.clk_source = I2C_CLK_SRC_DEFAULT,
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.glitch_ignore_cnt = 7,
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.intr_priority = 0,
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.trans_queue_depth = 0,
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.flags = {
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.enable_internal_pullup = 1,
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},
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};
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ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &i2c_bus_));
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}
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void I2cDetect() {
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uint8_t address;
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ESP_LOGI(TAG, "I2C device scan:");
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printf(" 0 1 2 3 4 5 6 7 8 9 a b c d e f\r\n");
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for (int i = 0; i < 128; i += 16) {
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printf("%02x: ", i);
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for (int j = 0; j < 16; j++) {
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fflush(stdout);
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address = i + j;
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esp_err_t ret = i2c_master_probe(i2c_bus_, address, pdMS_TO_TICKS(200));
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if (ret == ESP_OK) {
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printf("%02x ", address);
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} else if (ret == ESP_ERR_TIMEOUT) {
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printf("UU ");
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} else {
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printf("-- ");
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}
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}
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printf("\r\n");
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}
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}
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void InitializeSpi() {
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ESP_LOGI(TAG, "Initialize SPI bus");
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spi_bus_config_t buscfg = {};
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buscfg.mosi_io_num = DISPLAY_SPI_MOSI_PIN;
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buscfg.miso_io_num = GPIO_NUM_NC;
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buscfg.sclk_io_num = DISPLAY_SPI_SCLK_PIN;
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buscfg.quadwp_io_num = GPIO_NUM_NC;
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buscfg.quadhd_io_num = GPIO_NUM_NC;
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buscfg.max_transfer_sz = DISPLAY_WIDTH * DISPLAY_HEIGHT * sizeof(uint16_t);
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ESP_ERROR_CHECK(spi_bus_initialize(SPI3_HOST, &buscfg, SPI_DMA_CH_AUTO));
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}
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void InitializeSt7789Display() {
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ESP_LOGI(TAG, "Initialize ST7789V2 display");
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esp_lcd_panel_io_spi_config_t io_config = {};
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io_config.cs_gpio_num = DISPLAY_SPI_CS_PIN;
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io_config.dc_gpio_num = DISPLAY_DC_PIN;
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io_config.spi_mode = 0;
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io_config.pclk_hz = 40 * 1000 * 1000;
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io_config.trans_queue_depth = 10;
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io_config.lcd_cmd_bits = 8;
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io_config.lcd_param_bits = 8;
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io_config.flags.sio_mode = 1; // 3-wire SPI mode (M5GFX uses spi_3wire = true)
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi(SPI3_HOST, &io_config, &panel_io_));
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ESP_LOGI(TAG, "Install ST7789 panel driver");
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esp_lcd_panel_dev_config_t panel_config = {};
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panel_config.reset_gpio_num = DISPLAY_RST_PIN;
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panel_config.rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB;
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panel_config.bits_per_pixel = 16;
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ESP_ERROR_CHECK(esp_lcd_new_panel_st7789(panel_io_, &panel_config, &panel_));
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ESP_ERROR_CHECK(esp_lcd_panel_reset(panel_));
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ESP_ERROR_CHECK(esp_lcd_panel_init(panel_));
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ESP_ERROR_CHECK(esp_lcd_panel_invert_color(panel_, true));
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ESP_ERROR_CHECK(esp_lcd_panel_swap_xy(panel_, DISPLAY_SWAP_XY));
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ESP_ERROR_CHECK(esp_lcd_panel_mirror(panel_, DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y));
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display_ = new SpiLcdDisplay(panel_io_, panel_,
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DISPLAY_WIDTH, DISPLAY_HEIGHT, DISPLAY_OFFSET_X, DISPLAY_OFFSET_Y,
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DISPLAY_MIRROR_X, DISPLAY_MIRROR_Y, DISPLAY_SWAP_XY);
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}
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void InitializeButtons() {
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boot_button_.OnClick([this]() {
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auto& app = Application::GetInstance();
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if (app.GetDeviceState() == kDeviceStateStarting) {
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EnterWifiConfigMode();
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return;
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}
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app.ToggleChatState();
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});
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}
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void InitializeKeyboard() {
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ESP_LOGI(TAG, "Initialize TCA8418 keyboard");
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keyboard_ = new Tca8418Keyboard(i2c_bus_, KEYBOARD_TCA8418_ADDR, KEYBOARD_INT_PIN);
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keyboard_->Initialize();
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// Set legacy callback for volume/brightness control
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keyboard_->SetKeyCallback([this](LegacyKeyCode key) {
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HandleLegacyKeyPress(key);
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});
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// Set full key event callback for WiFi config and text input
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keyboard_->SetKeyEventCallback([this](const KeyEvent& event) {
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HandleKeyEvent(event);
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});
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}
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void HandleKeyEvent(const KeyEvent& event) {
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// Handle WiFi config mode
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if (wifi_config_mode_ && wifi_config_ui_) {
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auto result = wifi_config_ui_->HandleKeyEvent(event);
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if (result == WifiConfigResult::Connected) {
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ESP_LOGI(TAG, "WiFi connected via keyboard config");
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ExitWifiConfigMode();
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} else if (result == WifiConfigResult::Cancelled) {
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ESP_LOGI(TAG, "WiFi config cancelled");
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ExitWifiConfigMode();
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}
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return;
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}
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// Handle W and S keys during WiFi configuring state (scanning screen)
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auto& app = Application::GetInstance();
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if (app.GetDeviceState() == kDeviceStateWifiConfiguring && event.pressed) {
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if (event.key_code == KC_W) {
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ESP_LOGI(TAG, "W key pressed - entering keyboard WiFi config");
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StartKeyboardWifiConfig();
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} else if (event.key_code == KC_S) {
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ESP_LOGI(TAG, "S key pressed - showing saved WiFi list");
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StartKeyboardWifiConfigSaved();
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}
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}
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}
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void HandleLegacyKeyPress(LegacyKeyCode key) {
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// Skip if in WiFi config mode
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if (wifi_config_mode_) {
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return;
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}
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auto& app = Application::GetInstance();
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auto* codec = GetAudioCodec();
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auto* backlight = GetBacklight();
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switch (key) {
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case KEY_UP: {
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// Volume up
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int current_vol = codec->output_volume();
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int step = (current_vol <= 20 || current_vol >= 80) ? 1 : 10;
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int new_vol = std::min(100, current_vol + step);
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codec->SetOutputVolume(new_vol);
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char msg[32];
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snprintf(msg, sizeof(msg), "Volume: %d%%", new_vol);
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display_->ShowNotification(msg, 1500);
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ESP_LOGI(TAG, "Volume up: %d%%", new_vol);
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break;
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}
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case KEY_DOWN: {
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// Volume down
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int current_vol = codec->output_volume();
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int step = (current_vol <= 20 || current_vol >= 80) ? 1 : 10;
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int new_vol = std::max(0, current_vol - step);
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codec->SetOutputVolume(new_vol);
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char msg[32];
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snprintf(msg, sizeof(msg), "Volume: %d%%", new_vol);
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display_->ShowNotification(msg, 1500);
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ESP_LOGI(TAG, "Volume down: %d%%", new_vol);
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break;
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}
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case KEY_RIGHT: {
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// Brightness up
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uint8_t current_br = backlight->brightness();
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int step = (current_br <= (MIN_BRIGHTNESS + 20) || current_br >= 80) ? 1 : 10;
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int new_br = std::min(100, (int)current_br + step);
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backlight->SetBrightness(new_br, true);
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char msg[32];
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snprintf(msg, sizeof(msg), "Brightness: %d%%", new_br);
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display_->ShowNotification(msg, 1500);
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ESP_LOGI(TAG, "Brightness up: %d%%", new_br);
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break;
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}
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case KEY_LEFT: {
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// Brightness down (minimum 30%)
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uint8_t current_br = backlight->brightness();
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int step = (current_br <= (MIN_BRIGHTNESS + 20) || current_br >= 80) ? 1 : 10;
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int new_br = std::max((int)MIN_BRIGHTNESS, (int)current_br - step);
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backlight->SetBrightness(new_br, true);
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char msg[32];
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snprintf(msg, sizeof(msg), "Brightness: %d%%", new_br);
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display_->ShowNotification(msg, 1500);
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ESP_LOGI(TAG, "Brightness down: %d%%", new_br);
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break;
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}
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case KEY_ENTER: {
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// Match boot button behavior (start/stop chat depending on current state).
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if (app.GetDeviceState() != kDeviceStateStarting) {
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app.ToggleChatState();
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ESP_LOGI(TAG, "Enter key: Toggle chat state");
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}
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break;
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}
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default:
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break;
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}
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}
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void StartKeyboardWifiConfig() {
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ESP_LOGI(TAG, "Starting keyboard WiFi config UI");
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wifi_config_mode_ = true;
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wifi_config_ui_ = std::make_unique<WifiConfigUI>(display_);
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wifi_config_ui_->SetConnectCallback([this](const std::string& ssid, const std::string& password) {
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AttemptWifiConnection(ssid, password);
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});
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wifi_config_ui_->Start();
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}
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void StartKeyboardWifiConfigSaved() {
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ESP_LOGI(TAG, "Starting keyboard WiFi config UI (saved list)");
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wifi_config_mode_ = true;
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wifi_config_ui_ = std::make_unique<WifiConfigUI>(display_);
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wifi_config_ui_->SetConnectCallback([this](const std::string& ssid, const std::string& password) {
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AttemptWifiConnection(ssid, password);
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});
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wifi_config_ui_->StartWithSavedList();
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}
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void AttemptWifiConnection(const std::string& ssid, const std::string& password) {
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ESP_LOGI(TAG, "Attempting WiFi connection to: %s", ssid.c_str());
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// Add to SSID manager (will be saved and used for connection)
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auto& ssid_manager = SsidManager::GetInstance();
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ssid_manager.AddSsid(ssid, password);
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// Stop config AP mode and trigger reconnection with new credentials
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auto& wifi_manager = WifiManager::GetInstance();
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if (wifi_manager.IsConfigMode()) {
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wifi_manager.StopConfigAp();
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}
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// Start station mode to connect
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wifi_manager.StartStation();
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// Wait for connection result (with timeout)
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bool connected = false;
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for (int i = 0; i < 100; i++) { // 10 second timeout
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vTaskDelay(pdMS_TO_TICKS(100));
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if (wifi_manager.IsConnected()) {
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connected = true;
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break;
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}
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}
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if (wifi_config_ui_) {
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wifi_config_ui_->OnConnectResult(connected);
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}
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}
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void ExitWifiConfigMode() {
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ESP_LOGI(TAG, "Exiting keyboard WiFi config mode");
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wifi_config_mode_ = false;
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wifi_config_ui_.reset();
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// Restart normal WiFi connection flow
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auto& app = Application::GetInstance();
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if (app.GetDeviceState() == kDeviceStateWifiConfiguring) {
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// Try to connect with saved credentials
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TryWifiConnect();
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}
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}
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public:
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M5StackCardputerAdvBoard() : boot_button_(BOOT_BUTTON_GPIO) {
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InitializeI2c();
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I2cDetect();
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InitializeSpi();
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InitializeSt7789Display();
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InitializeButtons();
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InitializeKeyboard();
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GetBacklight()->RestoreBrightness();
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}
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virtual AudioCodec* GetAudioCodec() override {
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// Cardputer Adv (no MCLK, internal clocking) needs I2S channels
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// disabled after construction so esp_codec_dev_open can configure
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// the ES8311 codec before channels start running.
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static struct CardputerAdvEs8311 : public Es8311AudioCodec {
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CardputerAdvEs8311(void* i2c, i2c_port_t port, int in_rate, int out_rate,
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gpio_num_t mclk, gpio_num_t bclk, gpio_num_t ws,
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gpio_num_t dout, gpio_num_t din, gpio_num_t pa,
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uint8_t addr, bool use_mclk)
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: Es8311AudioCodec(i2c, port, in_rate, out_rate,
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mclk, bclk, ws, dout, din, pa, addr, use_mclk) {
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i2s_channel_disable(tx_handle_);
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i2s_channel_disable(rx_handle_);
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}
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} audio_codec(
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i2c_bus_, I2C_NUM_0,
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AUDIO_INPUT_SAMPLE_RATE, AUDIO_OUTPUT_SAMPLE_RATE,
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AUDIO_I2S_GPIO_MCLK, AUDIO_I2S_GPIO_BCLK, AUDIO_I2S_GPIO_WS,
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AUDIO_I2S_GPIO_DOUT, AUDIO_I2S_GPIO_DIN,
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AUDIO_CODEC_PA_PIN, AUDIO_CODEC_ES8311_ADDR,
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false); // use_mclk = false
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return &audio_codec;
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}
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virtual Display* GetDisplay() override {
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return display_;
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}
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virtual Backlight* GetBacklight() override {
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// M5GFX uses 256Hz PWM frequency for Cardputer backlight
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static PwmBacklight backlight(DISPLAY_BACKLIGHT_PIN, DISPLAY_BACKLIGHT_OUTPUT_INVERT, 256);
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return &backlight;
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}
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};
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DECLARE_BOARD(M5StackCardputerAdvBoard);
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