Add initial support for Hackaday Communicator (#8771)

* Add initial support for Hackaday Communicator * Fork it! * Trunk * Remove unused elements from the HackadayCommunicatorKeyboard * Don't divide by zero.
2025-11-30 17:21:10 -06:00
parent 8899487c2f
commit 5b1b420cad
17 changed files with 486 additions and 30 deletions
@@ -375,7 +375,7 @@ Screen::Screen(ScanI2C::DeviceAddress address, meshtastic_Config_DisplayConfig_O
        LOG_INFO("SSD1306 init success");
    }
 #elif defined(ST7735_CS) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7789_CS) ||    \
-    defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS)
+    defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(HACKADAY_COMMUNICATOR)
    dispdev = new TFTDisplay(address.address, -1, -1, geometry,
                             (address.port == ScanI2C::I2CPort::WIRE1) ? HW_I2C::I2C_TWO : HW_I2C::I2C_ONE);
 #elif defined(USE_EINK) && !defined(USE_EINK_DYNAMICDISPLAY)
@@ -656,7 +656,7 @@ void Screen::setup()
 #else
    if (!config.display.flip_screen) {
 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7789_CS) ||      \
-    defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS)
+    defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(HACKADAY_COMMUNICATOR)
        static_cast<TFTDisplay *>(dispdev)->flipScreenVertically();
 #elif defined(USE_ST7789)
        static_cast<ST7789Spi *>(dispdev)->flipScreenVertically();
@@ -73,7 +73,8 @@
 #endif

 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_ST7796)) &&            \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS) ||             \
+     defined(HACKADAY_COMMUNICATOR) || defined(USE_ST7796)) &&                                                                   \
    !defined(DISPLAY_FORCE_SMALL_FONTS)
 // The screen is bigger so use bigger fonts
 #define FONT_SMALL FONT_MEDIUM_LOCAL // Height: 19
@@ -123,6 +123,11 @@ static void rak14014_tpIntHandle(void)
    _rak14014_touch_int = true;
 }

+#elif defined(HACKADAY_COMMUNICATOR)
+#include <Arduino_GFX_Library.h>
+Arduino_DataBus *bus = nullptr;
+Arduino_GFX *tft = nullptr;
+
 #elif defined(ST72xx_DE)
 #include <LovyanGFX.hpp>
 #include <TCA9534.h>
@@ -1135,7 +1140,7 @@ static LGFX *tft = nullptr;

 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(ST7789_CS) || defined(ST7796_CS) || defined(ILI9341_DRIVER) ||           \
    defined(ILI9342_DRIVER) || defined(RAK14014) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST72xx_DE) ||           \
-    (ARCH_PORTDUINO && HAS_SCREEN != 0)
+    (ARCH_PORTDUINO && HAS_SCREEN != 0) || defined(HACKADAY_COMMUNICATOR)
 #include "SPILock.h"
 #include "TFTDisplay.h"
 #include <SPI.h>
@@ -1271,12 +1276,15 @@ void TFTDisplay::display(bool fromBlank)
                    x_LastPixelUpdate = x;
                }
            }
-
+#if defined(HACKADAY_COMMUNICATOR)
+            tft->draw16bitBeRGBBitmap(x_FirstPixelUpdate, y, &linePixelBuffer[x_FirstPixelUpdate],
+                                      (x_LastPixelUpdate - x_FirstPixelUpdate + 1), 1);
+#else
            // Step 4: Send the changed pixels on this line to the screen as a single block transfer.
            // This function accepts pixel data MSB first so it can dump the memory straight out the SPI port.
            tft->pushRect(x_FirstPixelUpdate, y, (x_LastPixelUpdate - x_FirstPixelUpdate + 1), 1,
                          &linePixelBuffer[x_FirstPixelUpdate]);
-
+#endif
            somethingChanged = true;
        }
        y++;
@@ -1340,6 +1348,8 @@ void TFTDisplay::sendCommand(uint8_t com)
        display(true);
        if (portduino_config.displayBacklight.pin > 0)
            digitalWrite(portduino_config.displayBacklight.pin, TFT_BACKLIGHT_ON);
+#elif defined(HACKADAY_COMMUNICATOR)
+        tft->displayOn();
 #elif !defined(RAK14014) && !defined(M5STACK) && !defined(UNPHONE)
        tft->wakeup();
        tft->powerSaveOff();
@@ -1352,7 +1362,8 @@ void TFTDisplay::sendCommand(uint8_t com)
        unphone.backlight(true); // using unPhone library
 #endif
 #ifdef RAK14014
-#elif !defined(M5STACK) && !defined(ST7789_CS) // T-Deck gets brightness set in Screen.cpp in the handleSetOn function
+#elif !defined(M5STACK) && !defined(ST7789_CS) &&                                                                                \
+    !defined(HACKADAY_COMMUNICATOR) // T-Deck gets brightness set in Screen.cpp in the handleSetOn function
        tft->setBrightness(172);
 #endif
        break;
@@ -1364,6 +1375,8 @@ void TFTDisplay::sendCommand(uint8_t com)
        tft->clear();
        if (portduino_config.displayBacklight.pin > 0)
            digitalWrite(portduino_config.displayBacklight.pin, !TFT_BACKLIGHT_ON);
+#elif defined(HACKADAY_COMMUNICATOR)
+        tft->displayOff();
 #elif !defined(RAK14014) && !defined(M5STACK) && !defined(UNPHONE)
        tft->sleep();
        tft->powerSaveOn();
@@ -1376,7 +1389,7 @@ void TFTDisplay::sendCommand(uint8_t com)
        unphone.backlight(false); // using unPhone library
 #endif
 #ifdef RAK14014
-#elif !defined(M5STACK)
+#elif !defined(M5STACK) && !defined(HACKADAY_COMMUNICATOR)
        tft->setBrightness(0);
 #endif
        break;
@@ -1392,7 +1405,7 @@ void TFTDisplay::setDisplayBrightness(uint8_t _brightness)
 {
 #ifdef RAK14014
    // todo
-#else
+#elif !defined(HACKADAY_COMMUNICATOR)
    tft->setBrightness(_brightness);
    LOG_DEBUG("Brightness is set to value: %i ", _brightness);
 #endif
@@ -1410,7 +1423,7 @@ bool TFTDisplay::hasTouch(void)
 {
 #ifdef RAK14014
    return true;
-#elif !defined(M5STACK)
+#elif !defined(M5STACK) && !defined(HACKADAY_COMMUNICATOR)
    return tft->touch() != nullptr;
 #else
    return false;
@@ -1429,7 +1442,7 @@ bool TFTDisplay::getTouch(int16_t *x, int16_t *y)
    } else {
        return false;
    }
-#elif !defined(M5STACK)
+#elif !defined(M5STACK) && !defined(HACKADAY_COMMUNICATOR)
    return tft->getTouch(x, y);
 #else
    return false;
@@ -1448,6 +1461,12 @@ bool TFTDisplay::connect()
    LOG_INFO("Do TFT init");
 #ifdef RAK14014
    tft = new TFT_eSPI;
+#elif defined(HACKADAY_COMMUNICATOR)
+    bus = new Arduino_ESP32SPI(TFT_DC, TFT_CS, 38 /* SCK */, 21 /* MOSI */, GFX_NOT_DEFINED /* MISO */, HSPI /* spi_num */);
+    tft = new Arduino_NV3007(bus, 40, 0 /* rotation */, false /* IPS */, 142 /* width */, 428 /* height */, 12 /* col offset 1 */,
+                             0 /* row offset 1 */, 14 /* col offset 2 */, 0 /* row offset 2 */, nv3007_279_init_operations,
+                             sizeof(nv3007_279_init_operations));
+
 #else
    tft = new LGFX;
 #endif
@@ -1458,8 +1477,15 @@ bool TFTDisplay::connect()
 #ifdef UNPHONE
    unphone.backlight(true); // using unPhone library
 #endif
-
+#ifdef HACKADAY_COMMUNICATOR
+    bool beginStatus = tft->begin();
+    if (beginStatus)
+        LOG_DEBUG("TFT Success!");
+    else
+        LOG_ERROR("TFT Fail!");
+#else
    tft->init();
+#endif

 #if defined(M5STACK)
    tft->setRotation(0);
@@ -97,8 +97,7 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
                                          (storeForwardModule->heartbeatInterval * 1200))) { // no heartbeat, overlap a bit
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) ||             \
-     defined(USE_ST7796) ||            \
-     ARCH_PORTDUINO) &&                                                                                                                                                                                                    \
+     defined(HACKADAY_COMMUNICATOR) || defined(USE_ST7796) || ARCH_PORTDUINO) &&                                                 \
    !defined(DISPLAY_FORCE_SMALL_FONTS)
            display->drawFastImage(x + SCREEN_WIDTH - 14 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 12,
                                   8, imgQuestionL1);
@@ -110,7 +109,8 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
 #endif
        } else {
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) || defined(USE_ST7796)) &&            \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) ||             \
+     defined(HACKADAY_COMMUNICATOR) || defined(USE_ST7796)) &&                                                                   \
    !defined(DISPLAY_FORCE_SMALL_FONTS)
            display->drawFastImage(x + SCREEN_WIDTH - 18 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 16,
                                   8, imgSFL1);
@@ -126,8 +126,7 @@ void drawFrame(OLEDDisplay *display, OLEDDisplayUiState *state, int16_t x, int16
        // TODO: Raspberry Pi supports more than just the one screen size
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) ||             \
-     defined(USE_ST7796) ||            \
-     ARCH_PORTDUINO) &&                                                                                                                                                                                                    \
+     defined(HACKADAY_COMMUNICATOR) || defined(USE_ST7796) || ARCH_PORTDUINO) &&                                                 \
    !defined(DISPLAY_FORCE_SMALL_FONTS)
        display->drawFastImage(x + SCREEN_WIDTH - 14 - display->getStringWidth(screen->ourId), y + 3 + FONT_HEIGHT_SMALL, 12, 8,
                               imgInfoL1);
@@ -1047,7 +1047,8 @@ void menuHandler::TFTColorPickerMenu(OLEDDisplay *display)
    bannerOptions.optionsArrayPtr = optionsArray;
    bannerOptions.optionsCount = 10;
    bannerOptions.bannerCallback = [display](int selected) -> void {
-#if defined(HELTEC_MESH_NODE_T114) || defined(HELTEC_VISION_MASTER_T190) || defined(T_DECK) || defined(T_LORA_PAGER) || HAS_TFT
+#if defined(HELTEC_MESH_NODE_T114) || defined(HELTEC_VISION_MASTER_T190) || defined(T_DECK) || defined(T_LORA_PAGER) ||          \
+    HAS_TFT || defined(HACKADAY_COMMUNICATOR)
        uint8_t TFT_MESH_r = 0;
        uint8_t TFT_MESH_g = 0;
        uint8_t TFT_MESH_b = 0;
@@ -1356,7 +1357,7 @@ void menuHandler::screenOptionsMenu()
    static int optionsEnumArray[5] = {Back};
    int options = 1;

-#if defined(T_DECK) || defined(T_LORA_PAGER)
+#if defined(T_DECK) || defined(T_LORA_PAGER) || defined(HACKADAY_COMMUNICATOR)
    optionsArray[options] = "Show Long/Short Name";
    optionsEnumArray[options++] = NodeNameLength;
 #endif
@@ -1368,7 +1369,8 @@ void menuHandler::screenOptionsMenu()
    }

    // Only show screen color for TFT displays
-#if defined(HELTEC_MESH_NODE_T114) || defined(HELTEC_VISION_MASTER_T190) || defined(T_DECK) || defined(T_LORA_PAGER) || HAS_TFT
+#if defined(HELTEC_MESH_NODE_T114) || defined(HELTEC_VISION_MASTER_T190) || defined(T_DECK) || defined(T_LORA_PAGER) ||          \
+    HAS_TFT || defined(HACKADAY_COMMUNICATOR)
    optionsArray[options] = "Screen Color";
    optionsEnumArray[options++] = ScreenColor;
 #endif
@@ -257,7 +257,8 @@ void UIRenderer::drawNodes(OLEDDisplay *display, int16_t x, int16_t y, const mes
    }

 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) || defined(USE_ST7796)) &&            \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(HX8357_CS) || defined(ST7796_CS) ||             \
+     defined(HACKADAY_COMMUNICATOR) || defined(USE_ST7796)) &&                                                                   \
    !defined(DISPLAY_FORCE_SMALL_FONTS)

    if (isHighResolution) {
@@ -27,7 +27,8 @@ const uint8_t bluetoothConnectedIcon[36] PROGMEM = {0xfe, 0x01, 0xff, 0x03, 0x03
                                                    0xfe, 0x31, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0xf0, 0x3f, 0xe0, 0x1f};

 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
-     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(USE_ST7796) || defined(ST7796_CS) || ARCH_PORTDUINO) &&                \
+     defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS) || defined(ILI9488_CS) || defined(ST7796_CS) ||             \
+     defined(USE_ST7796) || defined(HACKADAY_COMMUNICATOR) || ARCH_PORTDUINO) &&                                                 \
    !defined(DISPLAY_FORCE_SMALL_FONTS)
 const uint8_t imgQuestionL1[] PROGMEM = {0xff, 0x01, 0x01, 0x32, 0x7b, 0x49, 0x49, 0x6f, 0x26, 0x01, 0x01, 0xff};
 const uint8_t imgQuestionL2[] PROGMEM = {0x0f, 0x08, 0x08, 0x08, 0x06, 0x0f, 0x0f, 0x06, 0x08, 0x08, 0x08, 0x0f};
@@ -0,0 +1,217 @@
+#if defined(HACKADAY_COMMUNICATOR)
+
+#include "HackadayCommunicatorKeyboard.h"
+#include "main.h"
+
+#define _TCA8418_COLS 10
+#define _TCA8418_ROWS 8
+#define _TCA8418_NUM_KEYS 80
+
+#define _TCA8418_MULTI_TAP_THRESHOLD 1500
+
+using Key = TCA8418KeyboardBase::TCA8418Key;
+
+constexpr uint8_t modifierRightShiftKey = 30;
+constexpr uint8_t modifierRightShift = 0b0001;
+constexpr uint8_t modifierLeftShiftKey = 76; // keynum -1
+constexpr uint8_t modifierLeftShift = 0b0001;
+// constexpr uint8_t modifierSymKey = 42;
+// constexpr uint8_t modifierSym = 0b0010;
+
+// Num chars per key, Modulus for rotating through characters
+static uint8_t HackadayCommunicatorTapMod[_TCA8418_NUM_KEYS] = {
+    0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 1, 2, 2, 2, 1, 2, 2, 0, 0, 0, 2, 1, 2, 2, 0, 1, 1, 0,
+};
+
+static unsigned char HackadayCommunicatorTapMap[_TCA8418_NUM_KEYS][2] = {{},
+                                                                         {},
+                                                                         {'+'},
+                                                                         {'9'},
+                                                                         {'8'},
+                                                                         {'7'},
+                                                                         {'2'},
+                                                                         {'3'},
+                                                                         {'4'},
+                                                                         {'5'},
+                                                                         {Key::ESC},
+                                                                         {'q', 'Q'},
+                                                                         {'w', 'W'},
+                                                                         {'e', 'E'},
+                                                                         {'r', 'R'},
+                                                                         {'t', 'T'},
+                                                                         {'y', 'Y'},
+                                                                         {'u', 'U'},
+                                                                         {'i', 'I'},
+                                                                         {'o', 'O'},
+                                                                         {Key::TAB},
+                                                                         {'a', 'A'},
+                                                                         {'s', 'S'},
+                                                                         {'d', 'D'},
+                                                                         {'f', 'F'},
+                                                                         {'g', 'G'},
+                                                                         {'h', 'H'},
+                                                                         {'j', 'J'},
+                                                                         {'k', 'K'},
+                                                                         {'l', 'L'},
+                                                                         {},
+                                                                         {'z', 'Z'},
+                                                                         {'x', 'X'},
+                                                                         {'c', 'C'},
+                                                                         {'v', 'V'},
+                                                                         {'b', 'B'},
+                                                                         {'n', 'N'},
+                                                                         {'m', 'M'},
+                                                                         {',', '<'},
+                                                                         {'.', '>'},
+                                                                         {},
+                                                                         {},
+                                                                         {},
+                                                                         {'\\'},
+                                                                         {' '},
+                                                                         {},
+                                                                         {Key::RIGHT},
+                                                                         {Key::DOWN},
+                                                                         {Key::LEFT},
+                                                                         {},
+                                                                         {},
+                                                                         {},
+                                                                         {'-'},
+                                                                         {'6', '^'},
+                                                                         {'5', '%'},
+                                                                         {'4', '$'},
+                                                                         {'[', '{'},
+                                                                         {']', '}'},
+                                                                         {'p', 'P'},
+                                                                         {},
+                                                                         {},
+                                                                         {},
+                                                                         {'*'},
+                                                                         {'3', '#'},
+                                                                         {'2', '@'},
+                                                                         {'1', '!'},
+                                                                         {Key::SELECT},
+                                                                         {'\'', '"'},
+                                                                         {';', ':'},
+                                                                         {},
+                                                                         {},
+                                                                         {},
+                                                                         {'/', '?'},
+                                                                         {'='},
+                                                                         {'.', '>'},
+                                                                         {'0', ')'},
+                                                                         {},
+                                                                         {Key::UP},
+                                                                         {Key::BSP},
+                                                                         {}};
+
+HackadayCommunicatorKeyboard::HackadayCommunicatorKeyboard()
+    : TCA8418KeyboardBase(_TCA8418_ROWS, _TCA8418_COLS), modifierFlag(0), last_modifier_time(0), last_key(-1), next_key(-1),
+      last_tap(0L), char_idx(0), tap_interval(0)
+{
+    reset();
+}
+
+void HackadayCommunicatorKeyboard::reset(void)
+{
+    TCA8418KeyboardBase::reset();
+    enableInterrupts();
+}
+
+// handle multi-key presses (shift and alt)
+void HackadayCommunicatorKeyboard::trigger()
+{
+    uint8_t count = keyCount();
+    if (count == 0)
+        return;
+    for (uint8_t i = 0; i < count; ++i) {
+        uint8_t k = readRegister(TCA8418_REG_KEY_EVENT_A + i);
+        uint8_t key = k & 0x7F;
+        if (k & 0x80) {
+            pressed(key);
+        } else {
+            released();
+            state = Idle;
+        }
+    }
+}
+
+void HackadayCommunicatorKeyboard::pressed(uint8_t key)
+{
+    if (state == Init || state == Busy) {
+        return;
+    }
+
+    if (modifierFlag && (millis() - last_modifier_time > _TCA8418_MULTI_TAP_THRESHOLD)) {
+        modifierFlag = 0;
+    }
+
+    uint8_t next_key = 0;
+    int row = (key - 1) / 10;
+    int col = (key - 1) % 10;
+    if (row >= _TCA8418_ROWS || col >= _TCA8418_COLS) {
+        return; // Invalid key
+    }
+
+    next_key = row * _TCA8418_COLS + col;
+    state = Held;
+
+    uint32_t now = millis();
+    tap_interval = now - last_tap;
+
+    updateModifierFlag(next_key);
+    if (isModifierKey(next_key)) {
+        last_modifier_time = now;
+    }
+
+    if (tap_interval < 0) {
+        last_tap = 0;
+        state = Busy;
+        return;
+    }
+
+    if (next_key != last_key || tap_interval > _TCA8418_MULTI_TAP_THRESHOLD) {
+        char_idx = 0;
+    } else {
+        char_idx += 1;
+    }
+
+    last_key = next_key;
+    last_tap = now;
+}
+
+void HackadayCommunicatorKeyboard::released()
+{
+    if (state != Held) {
+        return;
+    }
+
+    if (last_key < 0 || last_key >= _TCA8418_NUM_KEYS) {
+        last_key = -1;
+        state = Idle;
+        return;
+    }
+
+    uint32_t now = millis();
+    last_tap = now;
+    if (HackadayCommunicatorTapMod[last_key])
+        queueEvent(HackadayCommunicatorTapMap[last_key][modifierFlag % HackadayCommunicatorTapMod[last_key]]);
+    if (isModifierKey(last_key) == false)
+        modifierFlag = 0;
+}
+
+void HackadayCommunicatorKeyboard::updateModifierFlag(uint8_t key)
+{
+    if (key == modifierRightShiftKey) {
+        modifierFlag ^= modifierRightShift;
+    } else if (key == modifierLeftShiftKey) {
+        modifierFlag ^= modifierLeftShift;
+    }
+}
+
+bool HackadayCommunicatorKeyboard::isModifierKey(uint8_t key)
+{
+    return (key == modifierRightShiftKey || key == modifierLeftShiftKey);
+}
+
+#endif
@@ -0,0 +1,26 @@
+#include "TCA8418KeyboardBase.h"
+
+class HackadayCommunicatorKeyboard : public TCA8418KeyboardBase
+{
+  public:
+    HackadayCommunicatorKeyboard();
+    void reset(void);
+    void trigger(void) override;
+    virtual ~HackadayCommunicatorKeyboard() {}
+
+  protected:
+    void pressed(uint8_t key) override;
+    void released(void) override;
+
+    void updateModifierFlag(uint8_t key);
+    bool isModifierKey(uint8_t key);
+
+  private:
+    uint8_t modifierFlag;        // Flag to indicate if a modifier key is pressed
+    uint32_t last_modifier_time; // Timestamp of the last modifier key press
+    int8_t last_key;
+    int8_t next_key;
+    uint32_t last_tap;
+    uint8_t char_idx;
+    int32_t tap_interval;
+};
@@ -7,6 +7,8 @@
 #include "TDeckProKeyboard.h"
 #elif defined(T_LORA_PAGER)
 #include "TLoraPagerKeyboard.h"
+#elif defined(HACKADAY_COMMUNICATOR)
+#include "HackadayCommunicatorKeyboard.h"
 #else
 #include "TCA8418Keyboard.h"
 #endif
@@ -20,6 +22,8 @@ KbI2cBase::KbI2cBase(const char *name)
      TCAKeyboard(*(new TDeckProKeyboard()))
 #elif defined(T_LORA_PAGER)
      TCAKeyboard(*(new TLoraPagerKeyboard()))
+#elif defined(HACKADAY_COMMUNICATOR)
+      TCAKeyboard(*(new HackadayCommunicatorKeyboard()))
 #else
      TCAKeyboard(*(new TCA8418Keyboard()))
 #endif
@@ -328,7 +332,7 @@ int32_t KbI2cBase::runOnce()
                break;
            }
            if (e.inputEvent != INPUT_BROKER_NONE) {
-                LOG_DEBUG("TCA8418 Notifying: %i Char: %c", e.inputEvent, e.kbchar);
+                // LOG_DEBUG("TCA8418 Notifying: %i Char: %c", e.inputEvent, e.kbchar);
                this->notifyObservers(&e);
            }
            TCAKeyboard.trigger();
@@ -394,7 +394,10 @@ void setup()
    io.pinMode(EXPANDS_GPIO_EN, OUTPUT);
    io.digitalWrite(EXPANDS_GPIO_EN, HIGH);
    io.pinMode(EXPANDS_SD_PULLEN, INPUT);
+#elif defined(HACKADAY_COMMUNICATOR)
+    pinMode(KB_INT, INPUT);
 #endif
+
    concurrency::hasBeenSetup = true;
 #if ARCH_PORTDUINO
    SPISettings spiSettings(portduino_config.spiSpeed, MSBFIRST, SPI_MODE0);
@@ -877,8 +880,8 @@ void setup()
    if (config.display.displaymode != meshtastic_Config_DisplayConfig_DisplayMode_COLOR) {

 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
-    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_ST7796) ||              \
-    defined(USE_SPISSD1306)
+    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) ||              \
+    defined(USE_SPISSD1306) || defined(USE_ST7796) || defined(HACKADAY_COMMUNICATOR)
        screen = new graphics::Screen(screen_found, screen_model, screen_geometry);
 #elif defined(ARCH_PORTDUINO)
        if ((screen_found.port != ScanI2C::I2CPort::NO_I2C || portduino_config.displayPanel) &&
@@ -1154,8 +1157,8 @@ void setup()
 // Don't call screen setup until after nodedb is setup (because we need
 // the current region name)
 #if defined(ST7701_CS) || defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) ||       \
-    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_ST7796) ||              \
-    defined(USE_SPISSD1306)
+    defined(ST7789_CS) || defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) ||              \
+    defined(USE_ST7796) || defined(USE_SPISSD1306) || defined(HACKADAY_COMMUNICATOR)
    if (screen)
        screen->setup();
 #elif defined(ARCH_PORTDUINO)
@@ -664,7 +664,8 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
    config.bluetooth.fixed_pin = defaultBLEPin;

 #if defined(ST7735_CS) || defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7789_CS) ||       \
-    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_SPISSD1306) || defined(USE_ST7796)
+    defined(HX8357_CS) || defined(USE_ST7789) || defined(ILI9488_CS) || defined(ST7796_CS) || defined(USE_SPISSD1306) ||         \
+    defined(USE_ST7796) || defined(HACKADAY_COMMUNICATOR)
    bool hasScreen = true;
 #ifdef HELTEC_MESH_NODE_T114
    uint32_t st7789_id = get_st7789_id(ST7789_NSS, ST7789_SCK, ST7789_SDA, ST7789_RS, ST7789_RESET);
@@ -101,8 +101,6 @@
 #define HW_VENDOR meshtastic_HardwareModel_T_WATCH_S3
 #elif defined(GENIEBLOCKS)
 #define HW_VENDOR meshtastic_HardwareModel_GENIEBLOCKS
-#elif defined(PRIVATE_HW)
-#define HW_VENDOR meshtastic_HardwareModel_PRIVATE_HW
 #elif defined(NANO_G1)
 #define HW_VENDOR meshtastic_HardwareModel_NANO_G1
 #elif defined(M5STACK)
@@ -205,6 +203,8 @@
 #define HW_VENDOR meshtastic_HardwareModel_M5STACK_C6L
 #elif defined(HELTEC_WIRELESS_TRACKER_V2)
 #define HW_VENDOR meshtastic_HardwareModel_HELTEC_WIRELESS_TRACKER_V2
+#else
+#define HW_VENDOR meshtastic_HardwareModel_PRIVATE_HW
 #endif

 // -----------------------------------------------------------------------------