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Function bodies 879 total

All specs Real LLM only Function bodies
createInstance method · cpp · L19-L25 (7 LOC)
firmware/boards/diy_smoochie/core/Device.cpp
Device* Device::createInstance() {
  pinMode(LCD_BL, OUTPUT);
  digitalWrite(LCD_BL, HIGH);
  return new Device(display, power, &navigation, nullptr,
                    &storageSD, &storageLFS, &sdSpi, nullptr);
}
DisplayImpl class · c · L5-L33 (29 LOC)
firmware/boards/diy_smoochie/core/Display.h
class DisplayImpl : public IDisplay
{
public:
  void setBrightness(uint8_t pct) override {
    if (pct > 100) pct = 100;

    static bool _ready = false;
    if (!_ready) {
      // Match M5GFX Light_PWM: GPIO38, ch7, 256 Hz, 9-bit (core 2.x API)
      ledcSetup(7, 256, 9);
      ledcAttachPin(LCD_BL, 7);
      _ready = true;
    }

    // Convert 0-100% → 0-255, then apply M5GFX offset formula
    // (freq=256, bits=9, offset=16, invert=false)
    uint8_t brightness = (uint8_t)((uint32_t)pct * 255 / 100);
    uint32_t duty = 0;
    if (brightness) {
      static constexpr uint32_t ofs = (16u * 259u) >> 8u; // = 16
      duty  = (uint32_t)brightness * (257u - ofs);
      duty += ofs * 255u;
      duty += 1u << 6u;  // 1 << (15 - PWM_BITS)
      duty >>= 7u;       // >> (16 - PWM_BITS)
    }
    ledcWrite(7, duty);
  }
};
setBrightness method · c · L8-L32 (25 LOC)
firmware/boards/diy_smoochie/core/Display.h
public:
  void setBrightness(uint8_t pct) override {
    if (pct > 100) pct = 100;

    static bool _ready = false;
    if (!_ready) {
      // Match M5GFX Light_PWM: GPIO38, ch7, 256 Hz, 9-bit (core 2.x API)
      ledcSetup(7, 256, 9);
      ledcAttachPin(LCD_BL, 7);
      _ready = true;
    }

    // Convert 0-100% → 0-255, then apply M5GFX offset formula
    // (freq=256, bits=9, offset=16, invert=false)
    uint8_t brightness = (uint8_t)((uint32_t)pct * 255 / 100);
    uint32_t duty = 0;
    if (brightness) {
      static constexpr uint32_t ofs = (16u * 259u) >> 8u; // = 16
      duty  = (uint32_t)brightness * (257u - ofs);
      duty += ofs * 255u;
      duty += 1u << 6u;  // 1 << (15 - PWM_BITS)
      duty >>= 7u;       // >> (16 - PWM_BITS)
    }
    ledcWrite(7, duty);
  }
NavigationImpl class · c · L5-L16 (12 LOC)
firmware/boards/diy_smoochie/core/Navigation.h
class NavigationImpl : public INavigation
{
public:
  void begin() override {}

  void update() override {
  }

private:
  Direction  _heldDir = DIR_NONE;
};
update method · c · L10-L12 (3 LOC)
firmware/boards/diy_smoochie/core/Navigation.h
  void update() override {
  }
PowerImpl class · c · L7-L34 (28 LOC)
firmware/boards/diy_smoochie/core/Power.h
class PowerImpl : public IPower
{
public:
  void begin() override {
    pinMode(BAT_ADC_PIN, INPUT);
    analogReadMilliVolts(BAT_ADC_PIN);  // warm up ADC calibration (first call is slow)
  }

  uint8_t getBatteryPercentage() override {
    // analogReadMilliVolts uses factory ADC calibration (much more accurate than raw analogRead)
    float mv = (float)analogReadMilliVolts(BAT_ADC_PIN) * 2.0f; // voltage divider x2
    float pct = (mv - 3300.0f) / (4150.0f - 3350.0f) * 100.0f;
    if (pct < 0.0f)   pct = 0.0f;
    if (pct > 100.0f) pct = 100.0f;
    return (uint8_t)pct;
  }

  bool isCharging() override {
    // No charger IC — not detectable
    return false;
  }

  void powerOff() override {
    // No power IC — use deep sleep
    esp_deep_sleep_start();
  }
};
begin method · c · L10-L14 (5 LOC)
firmware/boards/diy_smoochie/core/Power.h
public:
  void begin() override {
    pinMode(BAT_ADC_PIN, INPUT);
    analogReadMilliVolts(BAT_ADC_PIN);  // warm up ADC calibration (first call is slow)
  }
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getBatteryPercentage method · c · L15-L23 (9 LOC)
firmware/boards/diy_smoochie/core/Power.h
  uint8_t getBatteryPercentage() override {
    // analogReadMilliVolts uses factory ADC calibration (much more accurate than raw analogRead)
    float mv = (float)analogReadMilliVolts(BAT_ADC_PIN) * 2.0f; // voltage divider x2
    float pct = (mv - 3300.0f) / (4150.0f - 3350.0f) * 100.0f;
    if (pct < 0.0f)   pct = 0.0f;
    if (pct > 100.0f) pct = 100.0f;
    return (uint8_t)pct;
  }
isCharging method · c · L24-L28 (5 LOC)
firmware/boards/diy_smoochie/core/Power.h
  bool isCharging() override {
    // No charger IC — not detectable
    return false;
  }
powerOff method · c · L29-L33 (5 LOC)
firmware/boards/diy_smoochie/core/Power.h
  void powerOff() override {
    // No power IC — use deep sleep
    esp_deep_sleep_start();
  }
createInstance method · cpp · L22-L36 (15 LOC)
firmware/boards/m5_cardputer_adv/core/Device.cpp
Device* Device::createInstance() {
  pinMode(LCD_BL, OUTPUT);
  digitalWrite(LCD_BL, HIGH);
  pinMode(SD_CS, OUTPUT);
  digitalWrite(SD_CS, HIGH);
  sdSpi.begin(SPI_SCK_PIN, SPI_MISO_PIN, SPI_MOSI_PIN, -1);
  storageLFS.begin();
  bool sdOk = storageSD.begin(SD_CS, sdSpi);
  Serial.printf("[DEV] SD init %s (CS=%d SCK=%d MOSI=%d MISO=%d)\n",
    sdOk ? "OK" : "FAILED", SD_CS, SPI_SCK_PIN, SPI_MOSI_PIN, SPI_MISO_PIN);

  return new Device(display, power, &navigation, &keyboard,
                    &storageSD, &storageLFS, nullptr, &speaker);
}
DisplayImpl class · c · L5-L33 (29 LOC)
firmware/boards/m5_cardputer_adv/core/Display.h
class DisplayImpl : public IDisplay
{
public:
  void setBrightness(uint8_t pct) override {
    if (pct > 100) pct = 100;

    static bool _ready = false;
    if (!_ready) {
      // Match M5GFX Light_PWM: GPIO38, ch7, 256 Hz, 9-bit
      ledcSetup(7, 256, 9);
      ledcAttachPin(LCD_BL, 7);
      _ready = true;
    }

    // Convert 0-100% → 0-255, then apply M5GFX offset formula
    // (freq=256, bits=9, offset=16, invert=false)
    uint8_t brightness = (uint8_t)((uint32_t)pct * 255 / 100);
    uint32_t duty = 0;
    if (brightness) {
      static constexpr uint32_t ofs = (16u * 259u) >> 8u; // = 16
      duty  = (uint32_t)brightness * (257u - ofs);
      duty += ofs * 255u;
      duty += 1u << 6u;  // 1 << (15 - PWM_BITS)
      duty >>= 7u;       // >> (16 - PWM_BITS)
    }
    ledcWrite(7, duty);
  }
};
setBrightness method · c · L8-L32 (25 LOC)
firmware/boards/m5_cardputer_adv/core/Display.h
public:
  void setBrightness(uint8_t pct) override {
    if (pct > 100) pct = 100;

    static bool _ready = false;
    if (!_ready) {
      // Match M5GFX Light_PWM: GPIO38, ch7, 256 Hz, 9-bit
      ledcSetup(7, 256, 9);
      ledcAttachPin(LCD_BL, 7);
      _ready = true;
    }

    // Convert 0-100% → 0-255, then apply M5GFX offset formula
    // (freq=256, bits=9, offset=16, invert=false)
    uint8_t brightness = (uint8_t)((uint32_t)pct * 255 / 100);
    uint32_t duty = 0;
    if (brightness) {
      static constexpr uint32_t ofs = (16u * 259u) >> 8u; // = 16
      duty  = (uint32_t)brightness * (257u - ofs);
      duty += ofs * 255u;
      duty += 1u << 6u;  // 1 << (15 - PWM_BITS)
      duty >>= 7u;       // >> (16 - PWM_BITS)
    }
    ledcWrite(7, duty);
  }
KeyboardImpl class · c · L28-L117 (90 LOC)
firmware/boards/m5_cardputer_adv/core/Keyboard.h
class KeyboardImpl : public IKeyboard, public Adafruit_TCA8418
{
public:
  void begin() override {
    Wire1.begin(KB_I2C_SDA, KB_I2C_SCL);
    Wire1.setClock(400000);
    delay(100);

    if (!Adafruit_TCA8418::begin(KB_I2C_ADDR, &Wire1)) return;

    this->matrix(7, 8);
    this->flush();
    this->enableInterrupts();

    _ready     = true;
    _shift     = false;
    _key       = 0;
    _available = false;
  }

  void update() override {
    if (!_ready || _available) return;
    if (Adafruit_TCA8418::available() == 0) return;

    int raw = this->getEvent();
    if (raw == 0) return;

    bool    pressed = (raw & 0x80) != 0;
    uint8_t value   = (raw & 0x7F);

    uint8_t u = value % 10;
    uint8_t t = value / 10;

    if (u < 1 || u > 8 || t > 6) return;

    uint8_t u0  = u - 1;
    uint8_t row = u0 & 0x03;
    uint8_t col = (t << 1) | (u0 >> 2);

    if (row >= 4 || col >= 14) return;

    char n = _ADV_KB_MAP[row][col].n;

    if (row == 2 && col == 0) { _fn   = pressed; re
begin method · c · L31-L47 (17 LOC)
firmware/boards/m5_cardputer_adv/core/Keyboard.h
public:
  void begin() override {
    Wire1.begin(KB_I2C_SDA, KB_I2C_SCL);
    Wire1.setClock(400000);
    delay(100);

    if (!Adafruit_TCA8418::begin(KB_I2C_ADDR, &Wire1)) return;

    this->matrix(7, 8);
    this->flush();
    this->enableInterrupts();

    _ready     = true;
    _shift     = false;
    _key       = 0;
    _available = false;
  }
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update method · c · L48-L86 (39 LOC)
firmware/boards/m5_cardputer_adv/core/Keyboard.h
  void update() override {
    if (!_ready || _available) return;
    if (Adafruit_TCA8418::available() == 0) return;

    int raw = this->getEvent();
    if (raw == 0) return;

    bool    pressed = (raw & 0x80) != 0;
    uint8_t value   = (raw & 0x7F);

    uint8_t u = value % 10;
    uint8_t t = value / 10;

    if (u < 1 || u > 8 || t > 6) return;

    uint8_t u0  = u - 1;
    uint8_t row = u0 & 0x03;
    uint8_t col = (t << 1) | (u0 >> 2);

    if (row >= 4 || col >= 14) return;

    char n = _ADV_KB_MAP[row][col].n;

    if (row == 2 && col == 0) { _fn   = pressed; return; }
    if (row == 2 && col == 1) { _shift = pressed; return; }
    if (row == 3 && col == 0) { _ctrl  = pressed; return; }
    if (row == 3 && col == 1) { _opt   = pressed; return; }
    if (row == 3 && col == 2) { _alt   = pressed; return; }
    if (!pressed) {
      if (n != '\0') _keyHeld = false;  // non-modifier released
      return;
    }
    if (n == '\0') return;

    _key       = _shift ? _ADV_KB_MAP[
modifiers method · c · L90-L98 (9 LOC)
firmware/boards/m5_cardputer_adv/core/Keyboard.h
  uint8_t modifiers() override {
    uint8_t m = MOD_NONE;
    if (_shift) m |= MOD_SHIFT;
    if (_fn)    m |= MOD_FN;
    if (_ctrl)  m |= MOD_CTRL;
    if (_alt)   m |= MOD_ALT;
    if (_opt)   m |= MOD_OPT;
    return m;
  }
getKey method · c · L99-L103 (5 LOC)
firmware/boards/m5_cardputer_adv/core/Keyboard.h
  char getKey() override {
    _available = false;
    return _key;
  }
NavigationImpl class · c · L5-L54 (50 LOC)
firmware/boards/m5_cardputer_adv/core/Navigation.h
class NavigationImpl : public INavigation
{
public:
  NavigationImpl(IKeyboard* kb) : _kb(kb) {}

  void begin() override {}

  void update() override {
    if (suppressKeys()) {
      updateState(DIR_NONE);
      return;
    }
    if (_kb && _kb->available()) {
      char c = _kb->peekKey();
      Direction dir = DIR_NONE;
      if      (c == ';')  dir = DIR_UP;
      else if (c == '.')  dir = DIR_DOWN;
      else if (c == '\n') dir = DIR_PRESS;
      else if (c == '\b') dir = DIR_BACK;
      else if (c == ',')  dir = DIR_LEFT;
      else if (c == '/')  dir = DIR_RIGHT;

      if (dir != DIR_NONE) {
        _kb->getKey();
        _heldDir = dir;
        updateState(dir);
        return;
      }
    }

    // While the physical key is still held, keep the press active so
    // pressDuration() accumulates real hold time.
    if (_heldDir != DIR_NONE) {
      if (_kb && _kb->isKeyHeld()) {
        updateState(_heldDir);
      } else {
        _heldDir = DIR_NONE;
        updateState(DI
update method · c · L12-L49 (38 LOC)
firmware/boards/m5_cardputer_adv/core/Navigation.h
  void update() override {
    if (suppressKeys()) {
      updateState(DIR_NONE);
      return;
    }
    if (_kb && _kb->available()) {
      char c = _kb->peekKey();
      Direction dir = DIR_NONE;
      if      (c == ';')  dir = DIR_UP;
      else if (c == '.')  dir = DIR_DOWN;
      else if (c == '\n') dir = DIR_PRESS;
      else if (c == '\b') dir = DIR_BACK;
      else if (c == ',')  dir = DIR_LEFT;
      else if (c == '/')  dir = DIR_RIGHT;

      if (dir != DIR_NONE) {
        _kb->getKey();
        _heldDir = dir;
        updateState(dir);
        return;
      }
    }

    // While the physical key is still held, keep the press active so
    // pressDuration() accumulates real hold time.
    if (_heldDir != DIR_NONE) {
      if (_kb && _kb->isKeyHeld()) {
        updateState(_heldDir);
      } else {
        _heldDir = DIR_NONE;
        updateState(DIR_NONE);
      }
      return;
    }

    updateState(DIR_NONE);
  }
PowerImpl class · c · L7-L34 (28 LOC)
firmware/boards/m5_cardputer_adv/core/Power.h
class PowerImpl : public IPower
{
public:
  void begin() override {
    pinMode(BAT_ADC_PIN, INPUT);
    analogReadMilliVolts(BAT_ADC_PIN);  // warm up ADC calibration (first call is slow)
  }

  uint8_t getBatteryPercentage() override {
    // analogReadMilliVolts uses factory ADC calibration (much more accurate than raw analogRead)
    float mv = (float)analogReadMilliVolts(BAT_ADC_PIN) * 2.0f; // voltage divider x2
    float pct = (mv - 3300.0f) / (4150.0f - 3350.0f) * 100.0f;
    if (pct < 0.0f)   pct = 0.0f;
    if (pct > 100.0f) pct = 100.0f;
    return (uint8_t)pct;
  }

  bool isCharging() override {
    // No charger IC — not detectable
    return false;
  }

  void powerOff() override {
    // No power IC — use deep sleep
    esp_deep_sleep_start();
  }
};
begin method · c · L10-L14 (5 LOC)
firmware/boards/m5_cardputer_adv/core/Power.h
public:
  void begin() override {
    pinMode(BAT_ADC_PIN, INPUT);
    analogReadMilliVolts(BAT_ADC_PIN);  // warm up ADC calibration (first call is slow)
  }
getBatteryPercentage method · c · L15-L23 (9 LOC)
firmware/boards/m5_cardputer_adv/core/Power.h
  uint8_t getBatteryPercentage() override {
    // analogReadMilliVolts uses factory ADC calibration (much more accurate than raw analogRead)
    float mv = (float)analogReadMilliVolts(BAT_ADC_PIN) * 2.0f; // voltage divider x2
    float pct = (mv - 3300.0f) / (4150.0f - 3350.0f) * 100.0f;
    if (pct < 0.0f)   pct = 0.0f;
    if (pct > 100.0f) pct = 100.0f;
    return (uint8_t)pct;
  }
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isCharging method · c · L24-L28 (5 LOC)
firmware/boards/m5_cardputer_adv/core/Power.h
  bool isCharging() override {
    // No charger IC — not detectable
    return false;
  }
powerOff method · c · L29-L33 (5 LOC)
firmware/boards/m5_cardputer_adv/core/Power.h
  void powerOff() override {
    // No power IC — use deep sleep
    esp_deep_sleep_start();
  }
SpeakerADV class · c · L11-L38 (28 LOC)
firmware/boards/m5_cardputer_adv/core/Speaker.h
class SpeakerADV : public SpeakerI2S {
public:
  void begin() override {
    SpeakerI2S::begin();
    _initES8311();
  }

private:
  void _initES8311() {
    static constexpr uint8_t regs[][2] = {
      {0x00, 0x80},  // RESET / CSM POWER ON
      {0x01, 0xB5},  // CLOCK_MANAGER / MCLK=BCLK
      {0x02, 0x18},  // CLOCK_MANAGER / MULT_PRE=3
      {0x0D, 0x01},  // SYSTEM / Power up analog circuitry
      {0x12, 0x00},  // SYSTEM / Power-up DAC
      {0x13, 0x10},  // SYSTEM / Enable output to HP drive
      {0x32, 0xBF},  // DAC / Volume ±0 dB
      {0x37, 0x08},  // DAC / Bypass DAC equalizer
    };
    for (const auto& r : regs) {
      Wire1.beginTransmission(0x18);
      Wire1.write(r[0]);
      Wire1.write(r[1]);
      Wire1.endTransmission();
    }
  }
};
begin method · c · L13-L17 (5 LOC)
firmware/boards/m5_cardputer_adv/core/Speaker.h
public:
  void begin() override {
    SpeakerI2S::begin();
    _initES8311();
  }
_initES8311 method · c · L18-L37 (20 LOC)
firmware/boards/m5_cardputer_adv/core/Speaker.h
private:
  void _initES8311() {
    static constexpr uint8_t regs[][2] = {
      {0x00, 0x80},  // RESET / CSM POWER ON
      {0x01, 0xB5},  // CLOCK_MANAGER / MCLK=BCLK
      {0x02, 0x18},  // CLOCK_MANAGER / MULT_PRE=3
      {0x0D, 0x01},  // SYSTEM / Power up analog circuitry
      {0x12, 0x00},  // SYSTEM / Power-up DAC
      {0x13, 0x10},  // SYSTEM / Enable output to HP drive
      {0x32, 0xBF},  // DAC / Volume ±0 dB
      {0x37, 0x08},  // DAC / Bypass DAC equalizer
    };
    for (const auto& r : regs) {
      Wire1.beginTransmission(0x18);
      Wire1.write(r[0]);
      Wire1.write(r[1]);
      Wire1.endTransmission();
    }
  }
createInstance method · cpp · L22-L36 (15 LOC)
firmware/boards/m5_cardputer/core/Device.cpp
Device* Device::createInstance() {
  pinMode(LCD_BL, OUTPUT);
  digitalWrite(LCD_BL, HIGH);
  pinMode(SD_CS, OUTPUT);
  digitalWrite(SD_CS, HIGH);
  sdSpi.begin(SPI_SCK_PIN, SPI_MISO_PIN, SPI_MOSI_PIN, -1);
  storageLFS.begin();
  bool sdOk = storageSD.begin(SD_CS, sdSpi);
  Serial.printf("[DEV] SD init %s (CS=%d SCK=%d MOSI=%d MISO=%d)\n",
    sdOk ? "OK" : "FAILED", SD_CS, SPI_SCK_PIN, SPI_MOSI_PIN, SPI_MISO_PIN);

  return new Device(display, power, &navigation, &keyboard,
                    &storageSD, &storageLFS, nullptr, &speaker);
}
DisplayImpl class · c · L5-L33 (29 LOC)
firmware/boards/m5_cardputer/core/Display.h
class DisplayImpl : public IDisplay
{
public:
  void setBrightness(uint8_t pct) override {
    if (pct > 100) pct = 100;

    static bool _ready = false;
    if (!_ready) {
      // Match M5GFX Light_PWM: GPIO38, ch7, 256 Hz, 9-bit (core 2.x API)
      ledcSetup(7, 256, 9);
      ledcAttachPin(LCD_BL, 7);
      _ready = true;
    }

    // Convert 0-100% → 0-255, then apply M5GFX offset formula
    // (freq=256, bits=9, offset=16, invert=false)
    uint8_t brightness = (uint8_t)((uint32_t)pct * 255 / 100);
    uint32_t duty = 0;
    if (brightness) {
      static constexpr uint32_t ofs = (16u * 259u) >> 8u; // = 16
      duty  = (uint32_t)brightness * (257u - ofs);
      duty += ofs * 255u;
      duty += 1u << 6u;  // 1 << (15 - PWM_BITS)
      duty >>= 7u;       // >> (16 - PWM_BITS)
    }
    ledcWrite(7, duty);
  }
};
setBrightness method · c · L8-L32 (25 LOC)
firmware/boards/m5_cardputer/core/Display.h
public:
  void setBrightness(uint8_t pct) override {
    if (pct > 100) pct = 100;

    static bool _ready = false;
    if (!_ready) {
      // Match M5GFX Light_PWM: GPIO38, ch7, 256 Hz, 9-bit (core 2.x API)
      ledcSetup(7, 256, 9);
      ledcAttachPin(LCD_BL, 7);
      _ready = true;
    }

    // Convert 0-100% → 0-255, then apply M5GFX offset formula
    // (freq=256, bits=9, offset=16, invert=false)
    uint8_t brightness = (uint8_t)((uint32_t)pct * 255 / 100);
    uint32_t duty = 0;
    if (brightness) {
      static constexpr uint32_t ofs = (16u * 259u) >> 8u; // = 16
      duty  = (uint32_t)brightness * (257u - ofs);
      duty += ofs * 255u;
      duty += 1u << 6u;  // 1 << (15 - PWM_BITS)
      duty >>= 7u;       // >> (16 - PWM_BITS)
    }
    ledcWrite(7, duty);
  }
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KeyboardImpl class · c · L32-L164 (133 LOC)
firmware/boards/m5_cardputer/core/Keyboard.h
class KeyboardImpl : public IKeyboard
{
public:
  void begin() override {
    for (uint8_t p : _KB_OUT) {
      gpio_reset_pin((gpio_num_t)p);
      gpio_set_direction((gpio_num_t)p, GPIO_MODE_OUTPUT);
      gpio_set_pull_mode((gpio_num_t)p, GPIO_PULLUP_PULLDOWN);
      gpio_set_level((gpio_num_t)p, 0);
    }
    for (uint8_t p : _KB_IN) {
      gpio_reset_pin((gpio_num_t)p);
      gpio_set_direction((gpio_num_t)p, GPIO_MODE_INPUT);
      gpio_set_pull_mode((gpio_num_t)p, GPIO_PULLUP_ONLY);
    }
  }

  void update() override {
    if (_available) return;

    // wait for all non-modifier keys released before accepting next key
    if (_waitRelease) {
      bool anyNonMod = false;
      for (int i = 0; i < 8; i++) {
        _setOutput(i);
        uint8_t bits = _readInput();
        if (!bits) continue;
        uint8_t yf = 3 - ((i > 3) ? (i - 4) : i);
        bool    x1 = (i > 3);
        for (int j = 0; j < 7; j++) {
          if (!(bits & (1 << j))) continue;
          uint8_t x =
begin method · c · L35-L48 (14 LOC)
firmware/boards/m5_cardputer/core/Keyboard.h
public:
  void begin() override {
    for (uint8_t p : _KB_OUT) {
      gpio_reset_pin((gpio_num_t)p);
      gpio_set_direction((gpio_num_t)p, GPIO_MODE_OUTPUT);
      gpio_set_pull_mode((gpio_num_t)p, GPIO_PULLUP_PULLDOWN);
      gpio_set_level((gpio_num_t)p, 0);
    }
    for (uint8_t p : _KB_IN) {
      gpio_reset_pin((gpio_num_t)p);
      gpio_set_direction((gpio_num_t)p, GPIO_MODE_INPUT);
      gpio_set_pull_mode((gpio_num_t)p, GPIO_PULLUP_ONLY);
    }
  }
update method · c · L49-L118 (70 LOC)
firmware/boards/m5_cardputer/core/Keyboard.h
  void update() override {
    if (_available) return;

    // wait for all non-modifier keys released before accepting next key
    if (_waitRelease) {
      bool anyNonMod = false;
      for (int i = 0; i < 8; i++) {
        _setOutput(i);
        uint8_t bits = _readInput();
        if (!bits) continue;
        uint8_t yf = 3 - ((i > 3) ? (i - 4) : i);
        bool    x1 = (i > 3);
        for (int j = 0; j < 7; j++) {
          if (!(bits & (1 << j))) continue;
          uint8_t x = x1 ? _KB_X1[j] : _KB_X2[j];
          if (_KB_MAP[yf][x].n != '\0') anyNonMod = true;
        }
      }
      _setOutput(0);
      if (anyNonMod) return;
      _waitRelease = false;
    }

    bool shiftSeen = false, fnSeen = false, ctrlSeen = false, altSeen = false, optSeen = false;

    // first pass: detect modifiers
    for (int i = 0; i < 8; i++) {
      _setOutput(i);
      uint8_t bits = _readInput();
      if (!bits) continue;
      uint8_t yf = 3 - ((i > 3) ? (i - 4) : i);
      bool    x1 = (
modifiers method · c · L122-L130 (9 LOC)
firmware/boards/m5_cardputer/core/Keyboard.h
  uint8_t modifiers() override {
    uint8_t m = MOD_NONE;
    if (_shift) m |= MOD_SHIFT;
    if (_fn)    m |= MOD_FN;
    if (_ctrl)  m |= MOD_CTRL;
    if (_alt)   m |= MOD_ALT;
    if (_opt)   m |= MOD_OPT;
    return m;
  }
getKey method · c · L131-L136 (6 LOC)
firmware/boards/m5_cardputer/core/Keyboard.h
  char getKey() override {
    _available   = false;
    _waitRelease = true;
    return _key;
  }
_setOutput method · c · L149-L154 (6 LOC)
firmware/boards/m5_cardputer/core/Keyboard.h
  void _setOutput(int i) {
    gpio_set_level((gpio_num_t)_KB_OUT[0], (i >> 0) & 1);
    gpio_set_level((gpio_num_t)_KB_OUT[1], (i >> 1) & 1);
    gpio_set_level((gpio_num_t)_KB_OUT[2], (i >> 2) & 1);
  }
_readInput method · c · L155-L163 (9 LOC)
firmware/boards/m5_cardputer/core/Keyboard.h
  uint8_t _readInput() {
    uint8_t bits = 0;
    for (int j = 0; j < 7; j++) {
      if (!gpio_get_level((gpio_num_t)_KB_IN[j]))
        bits |= (1 << j);
    }
    return bits;
  }
NavigationImpl class · c · L5-L54 (50 LOC)
firmware/boards/m5_cardputer/core/Navigation.h
class NavigationImpl : public INavigation
{
public:
  NavigationImpl(IKeyboard* kb) : _kb(kb) {}

  void begin() override {}

  void update() override {
    if (suppressKeys()) {
      updateState(DIR_NONE);
      return;
    }
    if (_kb && _kb->available()) {
      char c = _kb->peekKey();
      Direction dir = DIR_NONE;
      if      (c == ';')  dir = DIR_UP;
      else if (c == '.')  dir = DIR_DOWN;
      else if (c == '\n') dir = DIR_PRESS;
      else if (c == '\b') dir = DIR_BACK;
      else if (c == ',')  dir = DIR_LEFT;
      else if (c == '/')  dir = DIR_RIGHT;

      if (dir != DIR_NONE) {
        _kb->getKey();
        _heldDir = dir;
        updateState(dir);
        return;
      }
    }

    // While the physical key is still held, keep the press active so
    // pressDuration() accumulates real hold time.
    if (_heldDir != DIR_NONE) {
      if (_kb && _kb->isKeyHeld()) {
        updateState(_heldDir);
      } else {
        _heldDir = DIR_NONE;
        updateState(DI
Repobility — the code-quality scanner for AI-generated software · https://repobility.com
update method · c · L12-L49 (38 LOC)
firmware/boards/m5_cardputer/core/Navigation.h
  void update() override {
    if (suppressKeys()) {
      updateState(DIR_NONE);
      return;
    }
    if (_kb && _kb->available()) {
      char c = _kb->peekKey();
      Direction dir = DIR_NONE;
      if      (c == ';')  dir = DIR_UP;
      else if (c == '.')  dir = DIR_DOWN;
      else if (c == '\n') dir = DIR_PRESS;
      else if (c == '\b') dir = DIR_BACK;
      else if (c == ',')  dir = DIR_LEFT;
      else if (c == '/')  dir = DIR_RIGHT;

      if (dir != DIR_NONE) {
        _kb->getKey();
        _heldDir = dir;
        updateState(dir);
        return;
      }
    }

    // While the physical key is still held, keep the press active so
    // pressDuration() accumulates real hold time.
    if (_heldDir != DIR_NONE) {
      if (_kb && _kb->isKeyHeld()) {
        updateState(_heldDir);
      } else {
        _heldDir = DIR_NONE;
        updateState(DIR_NONE);
      }
      return;
    }

    updateState(DIR_NONE);
  }
PowerImpl class · c · L7-L34 (28 LOC)
firmware/boards/m5_cardputer/core/Power.h
class PowerImpl : public IPower
{
public:
  void begin() override {
    pinMode(BAT_ADC_PIN, INPUT);
    analogReadMilliVolts(BAT_ADC_PIN);  // warm up ADC calibration (first call is slow)
  }

  uint8_t getBatteryPercentage() override {
    // analogReadMilliVolts uses factory ADC calibration (much more accurate than raw analogRead)
    float mv = (float)analogReadMilliVolts(BAT_ADC_PIN) * 2.0f; // voltage divider x2
    float pct = (mv - 3300.0f) / (4150.0f - 3350.0f) * 100.0f;
    if (pct < 0.0f)   pct = 0.0f;
    if (pct > 100.0f) pct = 100.0f;
    return (uint8_t)pct;
  }

  bool isCharging() override {
    // No charger IC — not detectable
    return false;
  }

  void powerOff() override {
    // No power IC — use deep sleep
    esp_deep_sleep_start();
  }
};
begin method · c · L10-L14 (5 LOC)
firmware/boards/m5_cardputer/core/Power.h
public:
  void begin() override {
    pinMode(BAT_ADC_PIN, INPUT);
    analogReadMilliVolts(BAT_ADC_PIN);  // warm up ADC calibration (first call is slow)
  }
getBatteryPercentage method · c · L15-L23 (9 LOC)
firmware/boards/m5_cardputer/core/Power.h
  uint8_t getBatteryPercentage() override {
    // analogReadMilliVolts uses factory ADC calibration (much more accurate than raw analogRead)
    float mv = (float)analogReadMilliVolts(BAT_ADC_PIN) * 2.0f; // voltage divider x2
    float pct = (mv - 3300.0f) / (4150.0f - 3350.0f) * 100.0f;
    if (pct < 0.0f)   pct = 0.0f;
    if (pct > 100.0f) pct = 100.0f;
    return (uint8_t)pct;
  }
isCharging method · c · L24-L28 (5 LOC)
firmware/boards/m5_cardputer/core/Power.h
  bool isCharging() override {
    // No charger IC — not detectable
    return false;
  }
powerOff method · c · L29-L33 (5 LOC)
firmware/boards/m5_cardputer/core/Power.h
  void powerOff() override {
    // No power IC — use deep sleep
    esp_deep_sleep_start();
  }
createInstance method · cpp · L24-L33 (10 LOC)
firmware/boards/m5stickcplus_11/core/Device.cpp
Device* Device::createInstance() {
  pinMode(BTN_B, INPUT_PULLUP);
  pinMode(BTN_A, INPUT_PULLUP);
  Wire1.begin(INTERNAL_SDA, INTERNAL_SCL);  // Wire1: AXP192 + BM8563 share same internal I2C bus
  storageLFS.begin();

  return new Device(display, power, &navigation, nullptr,
                    nullptr, &storageLFS, nullptr, &speaker);
}
applyNavMode method · cpp · L34-L42 (9 LOC)
firmware/boards/m5stickcplus_11/core/Device.cpp
void Device::applyNavMode() {
  String mode = Config.get(APP_CONFIG_NAV_MODE, APP_CONFIG_NAV_MODE_DEFAULT);
  if (mode == "encoder") {
    switchNavigation(&encoderNavigation);
  } else {
    switchNavigation(&navigation);
  }
}
Provenance: Repobility (https://repobility.com) — every score reproducible from /scan/
boardHook method · cpp · L43-L57 (15 LOC)
firmware/boards/m5stickcplus_11/core/Device.cpp
void Device::boardHook() {
  static unsigned long _btnAHeld = 0;
  if (digitalRead(BTN_A) == LOW) {
    if (_btnAHeld == 0) _btnAHeld = millis();
    else if (millis() - _btnAHeld >= 3000) {
      Config.set(APP_CONFIG_NAV_MODE, APP_CONFIG_NAV_MODE_DEFAULT);
      Config.save(Storage);
      applyNavMode();
      _btnAHeld = 0;
    }
  } else {
    _btnAHeld = 0;
  }
}
DisplayImpl class · c · L8-L27 (20 LOC)
firmware/boards/m5stickcplus_11/core/Display.h
class DisplayImpl : public IDisplay
{
public:
  DisplayImpl(AXP192* axp) : _axp(axp) {}

  void setBrightness(uint8_t pct) override
  {
    if (pct > 100) pct = 100;
    if (pct == 0) {
      _axp->SetLDO2(false);   // cut LDO2 power → display off
    } else {
      _axp->SetLDO2(true);    // ensure LDO2 is enabled
      _axp->ScreenBreath(pct);
    }
  }

private:
  AXP192* _axp;
};
setBrightness method · c · L13-L23 (11 LOC)
firmware/boards/m5stickcplus_11/core/Display.h
  void setBrightness(uint8_t pct) override
  {
    if (pct > 100) pct = 100;
    if (pct == 0) {
      _axp->SetLDO2(false);   // cut LDO2 power → display off
    } else {
      _axp->SetLDO2(true);    // ensure LDO2 is enabled
      _axp->ScreenBreath(pct);
    }
  }
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