feat: Add ESP-WROOM-32 and ESP32-S3 board support

boards/_boards_json/esp-wroom32-ili9341.json

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+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32_out.ld"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DESP_WROOM32_ILI9341",
+      "-DARDUINO_ESP32_DEV",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "40000000L",
+    "flash_mode": "dio",
+    "mcu": "esp32",
+    "variant": "pinouts"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth",
+    "ethernet",
+    "can"
+  ],
+  "debug": {
+    "openocd_board": "esp-wroom-32.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "ESP-WROOM-32 with ILI9341 2.4 TFT",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://en.wikipedia.org/wiki/ESP32",
+  "vendor": "Espressif"
+}

boards/_boards_json/esp-wroom32-st7789.json

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+{
+  "build": {
+    "arduino": {
+      "ldscript": "esp32_out.ld"
+    },
+    "core": "esp32",
+    "extra_flags": [
+      "-DESP_WROOM32_ST7789",
+      "-DARDUINO_ESP32_DEV",
+      "-DARDUINO_RUNNING_CORE=1",
+      "-DARDUINO_EVENT_RUNNING_CORE=1"
+    ],
+    "f_cpu": "240000000L",
+    "f_flash": "40000000L",
+    "flash_mode": "dio",
+    "mcu": "esp32",
+    "variant": "pinouts"
+  },
+  "connectivity": [
+    "wifi",
+    "bluetooth",
+    "ethernet",
+    "can"
+  ],
+  "debug": {
+    "openocd_board": "esp-wroom-32.cfg"
+  },
+  "frameworks": [
+    "arduino",
+    "espidf"
+  ],
+  "name": "ESP-WROOM-32 with ST7789 2.8 TFT Touch",
+  "upload": {
+    "flash_size": "4MB",
+    "maximum_ram_size": 327680,
+    "maximum_size": 4194304,
+    "require_upload_port": true,
+    "speed": 460800
+  },
+  "url": "https://en.wikipedia.org/wiki/ESP32",
+  "vendor": "Espressif"
+}

boards/_boards_json/esp32s3-st7789.json

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+{
+    "build": {
+      "arduino": {
+        "ldscript": "esp32s3_out.ld",
+        "partitions": "default_8MB.csv"
+      },
+      "core": "esp32",
+      "extra_flags": [
+        "-DESP32S3_ST7789",
+        "-DARDUINO_USB_MODE=1",
+        "-DARDUINO_RUNNING_CORE=1",
+        "-DARDUINO_EVENT_RUNNING_CORE=1",
+        "-DARDUINO_USB_CDC_ON_BOOT"
+      ],
+      "f_cpu": "240000000L",
+      "f_flash": "80000000L",
+      "flash_mode": "qio",
+      "hwids": [
+        [
+          "0x303A",
+          "0x1001"
+        ]
+      ],
+      "mcu": "esp32s3",
+      "variant": "pinouts"
+    },
+    "connectivity": [
+      "bluetooth",
+      "wifi"
+    ],
+    "debug": {
+      "default_tool": "esp-builtin",
+      "onboard_tools": [
+        "esp-builtin"
+      ],
+      "openocd_target": "esp32s3.cfg"
+    },
+    "frameworks": [
+      "arduino",
+      "espidf"
+    ],
+    "name": "ESP32-S3 ST7789 Touchscreen (8MB Flash)",
+    "upload": {
+      "flash_size": "8MB",
+      "maximum_ram_size": 327680,
+      "maximum_size": 8388608,
+      "require_upload_port": true,
+      "speed": 460800
+    },
+    "url": "https://docs.espressif.com/projects/esp-idf/en/latest/esp32s3/hw-reference/esp32s3/user-guide-devkitc-1.html",
+    "vendor": "Espressif"
+  }

boards/esp-wroom32-ili9341/esp-wroom32-ili9341.ini

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+; PlatformIO Project Configuration File
+; ESP-WROOM-32 + ILI9341 2.4" TFT (no touch) + 5-way tactile switch
+;
+; TFT Pins:  MISO=19, MOSI=23, SCLK=18, CS=17, DC=16, RST=5, BL=32
+; 5-Way Nav: Up=34, Down=26, Left=33, Right=27, Center=35
+
+[env:esp-wroom32-ili9341]
+board = esp-wroom32-ili9341
+monitor_speed = 115200
+upload_port = COM3
+upload_speed = 115200
+upload_flags = --no-stub
+board_build.partitions = custom_4Mb_full.csv
+build_src_filter = ${env.build_src_filter} +<../boards/esp-wroom32-ili9341>
+build_flags =
+	${env.build_flags}
+	-Iboards/esp-wroom32-ili9341
+	-Os
+	-DCORE_DEBUG_LEVEL=0
+
+	-DDEVICE_NAME='"ESP32-ILI9341"'
+
+	; Microphone (disabled)
+	-DPIN_CLK=-1
+	-DI2S_SCLK_PIN=-1
+	-DI2S_DATA_PIN=-1
+	-DPIN_DATA=-1
+
+	; Speaker (disabled)
+	-DBCLK=-1
+	-DWCLK=-1
+	-DDOUT=-1
+
+	; RGB LED (disabled)
+	-DRGB_LED=-1
+
+	; CC1101 SPI
+	-DUSE_CC1101_VIA_SPI
+	-DCC1101_GDO0_PIN=2
+	-DCC1101_SS_PIN=15
+	-DCC1101_MOSI_PIN=SPI_MOSI_PIN
+	-DCC1101_SCK_PIN=SPI_SCK_PIN
+	-DCC1101_MISO_PIN=SPI_MISO_PIN
+
+	; NRF24 SPI
+	-DUSE_NRF24_VIA_SPI
+	-DNRF24_CE_PIN=4
+	-DNRF24_SS_PIN=15
+	-DNRF24_MOSI_PIN=SPI_MOSI_PIN
+	-DNRF24_SCK_PIN=SPI_SCK_PIN
+	-DNRF24_MISO_PIN=SPI_MISO_PIN
+
+lib_deps =
+	${env.lib_deps}
+lib_ignore =
+	FastLED
+	ESP8266Audio
+	ESP8266SAM

boards/esp-wroom32-ili9341/interface.cpp

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+#include "core/powerSave.h"
+#include <driver/gpio.h>
+#include <interface.h>
+
+// Deselect NRF24/CC1101 before any Arduino/TFT init runs (runs before setup())
+static void __attribute__((constructor)) _early_spi_deselect() {
+    gpio_reset_pin(GPIO_NUM_15); // CC1101_SS / NRF24_SS
+    gpio_set_direction(GPIO_NUM_15, GPIO_MODE_OUTPUT);
+    gpio_set_level(GPIO_NUM_15, 1); // CS HIGH = deselected
+
+    gpio_reset_pin(GPIO_NUM_4); // NRF24_CE
+    gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT);
+    gpio_set_level(GPIO_NUM_4, 0); // CE LOW = standby
+}
+
+/***************************************************************************************
+** Function name: _setup_gpio()
+** Location: main.cpp
+** Description:   initial setup for the device
+***************************************************************************************/
+void _setup_gpio() {
+    // 5-way tactile switch — GPIO 34/35 are input-only (no pull-up on chip)
+    // Ensure external pull-up resistors are present on these pins
+    pinMode(UP_BTN, INPUT);
+    pinMode(DW_BTN, INPUT_PULLUP);
+    pinMode(L_BTN, INPUT_PULLUP);
+    pinMode(R_BTN, INPUT_PULLUP);
+    pinMode(SEL_BTN, INPUT);
+
+    // Deselect CC1101 and NRF24 on shared SPI bus so they don't interfere with TFT
+    pinMode(CC1101_SS_PIN, OUTPUT);
+    digitalWrite(CC1101_SS_PIN, HIGH);
+    pinMode(NRF24_SS_PIN, OUTPUT);
+    digitalWrite(NRF24_SS_PIN, HIGH);
+    pinMode(NRF24_CE_PIN, OUTPUT);
+    digitalWrite(NRF24_CE_PIN, LOW);
+}
+
+/***************************************************************************************
+** Function name: _post_setup_gpio()
+** Location: main.cpp
+** Description:   second stage gpio setup
+***************************************************************************************/
+void _post_setup_gpio() {
+    // Backlight PWM
+    pinMode(TFT_BL, OUTPUT);
+    analogWrite(TFT_BL, 255);
+}
+
+/*********************************************************************
+** Function: setBrightness
+** location: settings.cpp
+** set brightness value
+**********************************************************************/
+void _setBrightness(uint8_t brightval) {
+    if (brightval == 0) {
+        analogWrite(TFT_BL, 0);
+    } else {
+        int bl = MINBRIGHT + round(((255 - MINBRIGHT) * brightval / 100));
+        analogWrite(TFT_BL, bl);
+    }
+}
+
+/*********************************************************************
+** Function: InputHandler
+** Handles the variables PrevPress, NextPress, SelPress, AnyKeyPress and EscPress
+** On 5-way joystick: hold UP for ~400ms = EscPress (back/exit)
+**********************************************************************/
+void InputHandler(void) {
+    static unsigned long tm = 0;
+    static unsigned long upHoldStart = 0;
+    static bool upEscFired = false;
+
+    // --- Hold-UP-for-Escape: runs every call, bypasses debounce ---
+    // Read UP_BTN on every task cycle (~10ms) so the hold timer
+    // accumulates correctly regardless of the 200ms debounce gate.
+    // Keep setting EscPress while held so the task can't clear it
+    // before the application loop reads it via check().
+    bool _up_raw = (digitalRead(UP_BTN) == BTN_ACT);
+    if (_up_raw) {
+        if (upHoldStart == 0) upHoldStart = millis();
+        if (millis() - upHoldStart >= 400) {
+            EscPress = true;
+            AnyKeyPress = true;
+            upEscFired = true;
+        }
+    } else {
+        upHoldStart = 0;
+        upEscFired = false;
+    }
+
+    if (millis() - tm < 200 && !LongPress) return;
+
+    bool _u = _up_raw;
+    bool _d = (digitalRead(DW_BTN) == BTN_ACT);
+    bool _l = (digitalRead(L_BTN) == BTN_ACT);
+    bool _r = (digitalRead(R_BTN) == BTN_ACT);
+    bool _s = (digitalRead(SEL_BTN) == BTN_ACT);
+
+    if (_u || _d || _l || _r || _s) {
+        tm = millis();
+        if (!wakeUpScreen()) AnyKeyPress = true;
+        else return;
+    }
+
+    if (_l) { PrevPress = true; }
+    if (_r) { NextPress = true; }
+    if (_u && !upEscFired) {
+        UpPress = true;
+        PrevPagePress = true;
+    }
+    if (_d) {
+        DownPress = true;
+        NextPagePress = true;
+    }
+    if (_s) { SelPress = true; }
+    if (_l && _r) {
+        EscPress = true;
+        NextPress = false;
+        PrevPress = false;
+    }
+}
+
+/*********************************************************************
+** Function: powerOff
+** location: mykeyboard.cpp
+** Turns off the device (or try to)
+**********************************************************************/
+void powerOff() {
+    esp_sleep_enable_ext0_wakeup((gpio_num_t)SEL_BTN, BTN_ACT);
+    esp_deep_sleep_start();
+}
+
+/*********************************************************************
+** Function: checkReboot
+** location: mykeyboard.cpp
+** Btn logic to turn off the device
+**********************************************************************/
+void checkReboot() {
+    int countDown = 0;
+    /* Long press Left+Right to power off */
+    if (digitalRead(L_BTN) == BTN_ACT && digitalRead(R_BTN) == BTN_ACT) {
+        uint32_t time_count = millis();
+        while (digitalRead(L_BTN) == BTN_ACT && digitalRead(R_BTN) == BTN_ACT) {
+            if (millis() - time_count > 500) {
+                if (countDown == 0) {
+                    int textWidth = tft.textWidth("PWR OFF IN 3/3", 1);
+                    tft.fillRect(tftWidth / 2 - textWidth / 2, 7, textWidth, 18, bruceConfig.bgColor);
+                }
+                tft.setTextSize(1);
+                tft.setTextColor(bruceConfig.priColor, bruceConfig.bgColor);
+                countDown = (millis() - time_count) / 1000 + 1;
+                if (countDown < 4)
+                    tft.drawCentreString("PWR OFF IN " + String(countDown) + "/3", tftWidth / 2, 12, 1);
+                else {
+                    tft.fillScreen(bruceConfig.bgColor);
+                    while (digitalRead(L_BTN) == BTN_ACT || digitalRead(R_BTN) == BTN_ACT);
+                    delay(200);
+                    powerOff();
+                }
+                delay(10);
+            }
+        }
+        delay(30);
+        if (millis() - time_count > 500) {
+            tft.fillRect(60, 12, tftWidth - 60, tft.fontHeight(1), bruceConfig.bgColor);
+            drawStatusBar();
+        }
+    }
+}
+
+int getBattery() { return 0; }
+
+bool isCharging() { return false; }