uas-ugv/main/U8g2lib.hh

#pragma once

#include "Print.h"
#include "u8g2.h"
#include "u8g2_esp32_hal.h"

class U8G2 : public Print {
 protected:
  u8g2_t       u8g2;
  u8x8_char_cb cpp_next_cb; /*  the cpp interface has its own decoding function
                               for the Arduino print command */
 public:
  u8g2_uint_t tx, ty;

  U8G2(void) {
    cpp_next_cb = u8x8_ascii_next;
    home();
  }
  u8x8_t *getU8x8(void) { return u8g2_GetU8x8(&u8g2); }
  u8g2_t *getU8g2(void) { return &u8g2; }

  uint32_t getBusClock(void) { return u8g2_GetU8x8(&u8g2)->bus_clock; }
  void     setBusClock(uint32_t clock_speed) {
    u8g2_GetU8x8(&u8g2)->bus_clock = clock_speed;
  }

  void setI2CAddress(uint8_t adr) { u8g2_SetI2CAddress(&u8g2, adr); }

  void enableUTF8Print(void) { cpp_next_cb = u8x8_utf8_next; }
  void disableUTF8Print(void) { cpp_next_cb = u8x8_ascii_next; }

  /* u8x8 interface */
  uint8_t getCols(void) { return u8x8_GetCols(u8g2_GetU8x8(&u8g2)); }
  uint8_t getRows(void) { return u8x8_GetRows(u8g2_GetU8x8(&u8g2)); }
  void    drawTile(uint8_t x, uint8_t y, uint8_t cnt, uint8_t *tile_ptr) {
    u8x8_DrawTile(u8g2_GetU8x8(&u8g2), x, y, cnt, tile_ptr);
  }

#ifdef U8X8_WITH_USER_PTR
  void *getUserPtr() { return u8g2_GetUserPtr(&u8g2); }
  void  setUserPtr(void *p) { u8g2_SetUserPtr(&u8g2, p); }
#endif

#ifdef U8X8_USE_PINS
  /* set the menu pins before calling begin() or initDisplay() */
  void setMenuSelectPin(uint8_t val) { u8g2_SetMenuSelectPin(&u8g2, val); }
  void setMenuPrevPin(uint8_t val) { u8g2_SetMenuPrevPin(&u8g2, val); }
  void setMenuNextPin(uint8_t val) { u8g2_SetMenuNextPin(&u8g2, val); }
  void setMenuUpPin(uint8_t val) { u8g2_SetMenuUpPin(&u8g2, val); }
  void setMenuDownPin(uint8_t val) { u8g2_SetMenuDownPin(&u8g2, val); }
  void setMenuHomePin(uint8_t val) { u8g2_SetMenuHomePin(&u8g2, val); }
#endif

  /* return 0 for no event or U8X8_MSG_GPIO_MENU_SELECT, */
  /* U8X8_MSG_GPIO_MENU_NEXT, U8X8_MSG_GPIO_MENU_PREV, */
  /* U8X8_MSG_GPIO_MENU_HOME */
  uint8_t getMenuEvent(void) { return u8x8_GetMenuEvent(u8g2_GetU8x8(&u8g2)); }

  void initDisplay(void) { u8g2_InitDisplay(&u8g2); }

  void clearDisplay(void) { u8g2_ClearDisplay(&u8g2); }

  void setPowerSave(uint8_t is_enable) { u8g2_SetPowerSave(&u8g2, is_enable); }

  void setFlipMode(uint8_t mode) { u8g2_SetFlipMode(&u8g2, mode); }

  void setContrast(uint8_t value) { u8g2_SetContrast(&u8g2, value); }

  void setDisplayRotation(const u8g2_cb_t *u8g2_cb) {
    u8g2_SetDisplayRotation(&u8g2, u8g2_cb);
  }

  bool begin(void) {
    /* note: call to u8x8_utf8_init is not required here, this is done in the
     * setup procedures before */
    initDisplay();
    clearDisplay();
    setPowerSave(0);
    return 1;
  }

  void beginSimple(void) {
    /* does not clear the display and does not wake up the display */
    /* user is responsible for calling clearDisplay() and setPowerSave(0) */
    initDisplay();
  }

#ifdef U8X8_USE_PINS
  /* use U8X8_PIN_NONE if a pin is not required */
  bool begin(uint8_t menu_select_pin, uint8_t menu_next_pin,
             uint8_t menu_prev_pin, uint8_t menu_up_pin = U8X8_PIN_NONE,
             uint8_t menu_down_pin = U8X8_PIN_NONE,
             uint8_t menu_home_pin = U8X8_PIN_NONE) {
    setMenuSelectPin(menu_select_pin);
    setMenuNextPin(menu_next_pin);
    setMenuPrevPin(menu_prev_pin);
    setMenuUpPin(menu_up_pin);
    setMenuDownPin(menu_down_pin);
    setMenuHomePin(menu_home_pin);
    return begin();
  }
#endif

  /* u8g2  */

#ifdef U8G2_WITH_CLIP_WINDOW_SUPPORT
  void setMaxClipWindow(void) { u8g2_SetMaxClipWindow(&u8g2); }
  void setClipWindow(u8g2_uint_t clip_x0, u8g2_uint_t clip_y0,
                     u8g2_uint_t clip_x1, u8g2_uint_t clip_y1) {
    u8g2_SetClipWindow(&u8g2, clip_x0, clip_y0, clip_x1, clip_y1);
  }
#endif /* U8G2_WITH_CLIP_WINDOW_SUPPORT */

  u8g2_uint_t getDisplayHeight(void) { return u8g2_GetDisplayHeight(&u8g2); }
  u8g2_uint_t getDisplayWidth(void) { return u8g2_GetDisplayWidth(&u8g2); }

  /* u8g2_buffer.c */
  void sendBuffer(void) { u8g2_SendBuffer(&u8g2); }
  void clearBuffer(void) { u8g2_ClearBuffer(&u8g2); }

  void    firstPage(void) { u8g2_FirstPage(&u8g2); }
  uint8_t nextPage(void) { return u8g2_NextPage(&u8g2); }

  uint8_t *getBufferPtr(void) { return u8g2_GetBufferPtr(&u8g2); }
  uint8_t  getBufferTileHeight(void) { return u8g2_GetBufferTileHeight(&u8g2); }
  uint8_t  getBufferTileWidth(void) { return u8g2_GetBufferTileWidth(&u8g2); }
  uint8_t  getPageCurrTileRow(void) {
    return u8g2_GetBufferCurrTileRow(&u8g2);
  }  // obsolete
  void setPageCurrTileRow(uint8_t row) {
    u8g2_SetBufferCurrTileRow(&u8g2, row);
  }  // obsolete
  uint8_t getBufferCurrTileRow(void) {
    return u8g2_GetBufferCurrTileRow(&u8g2);
  }
  void setBufferCurrTileRow(uint8_t row) {
    u8g2_SetBufferCurrTileRow(&u8g2, row);
  }

  // this should be renamed to setBufferAutoClear
  void setAutoPageClear(uint8_t mode) { u8g2_SetAutoPageClear(&u8g2, mode); }

  /* u8g2_hvline.c */
  void setDrawColor(uint8_t color_index) {
    u8g2_SetDrawColor(&u8g2, color_index);
  }
  uint8_t getDrawColor(void) { return u8g2_GetDrawColor(&u8g2); }
  void drawPixel(u8g2_uint_t x, u8g2_uint_t y) { u8g2_DrawPixel(&u8g2, x, y); }
  void drawHLine(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w) {
    u8g2_DrawHLine(&u8g2, x, y, w);
  }
  void drawVLine(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t h) {
    u8g2_DrawVLine(&u8g2, x, y, h);
  }
  void drawHVLine(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t len, uint8_t dir) {
    u8g2_DrawHVLine(&u8g2, x, y, len, dir);
  }

  /* u8g2_box.c */
  void drawFrame(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h) {
    u8g2_DrawFrame(&u8g2, x, y, w, h);
  }
  void drawRFrame(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h,
                  u8g2_uint_t r) {
    u8g2_DrawRFrame(&u8g2, x, y, w, h, r);
  }
  void drawBox(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h) {
    u8g2_DrawBox(&u8g2, x, y, w, h);
  }
  void drawRBox(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h,
                u8g2_uint_t r) {
    u8g2_DrawRBox(&u8g2, x, y, w, h, r);
  }

  /* u8g2_circle.c */
  void drawCircle(u8g2_uint_t x0, u8g2_uint_t y0, u8g2_uint_t rad,
                  uint8_t opt = U8G2_DRAW_ALL) {
    u8g2_DrawCircle(&u8g2, x0, y0, rad, opt);
  }
  void drawDisc(u8g2_uint_t x0, u8g2_uint_t y0, u8g2_uint_t rad,
                uint8_t opt = U8G2_DRAW_ALL) {
    u8g2_DrawDisc(&u8g2, x0, y0, rad, opt);
  }
  void drawEllipse(u8g2_uint_t x0, u8g2_uint_t y0, u8g2_uint_t rx,
                   u8g2_uint_t ry, uint8_t opt = U8G2_DRAW_ALL) {
    u8g2_DrawEllipse(&u8g2, x0, y0, rx, ry, opt);
  }
  void drawFilledEllipse(u8g2_uint_t x0, u8g2_uint_t y0, u8g2_uint_t rx,
                         u8g2_uint_t ry, uint8_t opt = U8G2_DRAW_ALL) {
    u8g2_DrawFilledEllipse(&u8g2, x0, y0, rx, ry, opt);
  }

  /* u8g2_line.c */
  void drawLine(u8g2_uint_t x1, u8g2_uint_t y1, u8g2_uint_t x2,
                u8g2_uint_t y2) {
    u8g2_DrawLine(&u8g2, x1, y1, x2, y2);
  }

  /* u8g2_bitmap.c */
  void setBitmapMode(uint8_t is_transparent) {
    u8g2_SetBitmapMode(&u8g2, is_transparent);
  }
  void drawBitmap(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t cnt, u8g2_uint_t h,
                  const uint8_t *bitmap) {
    u8g2_DrawBitmap(&u8g2, x, y, cnt, h, bitmap);
  }
  void drawXBM(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h,
               const uint8_t *bitmap) {
    u8g2_DrawXBM(&u8g2, x, y, w, h, bitmap);
  }
  void drawXBMP(u8g2_uint_t x, u8g2_uint_t y, u8g2_uint_t w, u8g2_uint_t h,
                const uint8_t *bitmap) {
    u8g2_DrawXBMP(&u8g2, x, y, w, h, bitmap);
  }

  /* u8g2_polygon.c */
  void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2,
                    int16_t y2) {
    u8g2_DrawTriangle(&u8g2, x0, y0, x1, y1, x2, y2);
  }

  /* u8log_u8g2.c */
  void drawLog(u8g2_uint_t x, u8g2_uint_t y, class U8G2LOG &u8g2log);

  /* u8g2_font.c */

  void setFont(const uint8_t *font) { u8g2_SetFont(&u8g2, font); }
  void setFontMode(uint8_t is_transparent) {
    u8g2_SetFontMode(&u8g2, is_transparent);
  }
  void setFontDirection(uint8_t dir) { u8g2_SetFontDirection(&u8g2, dir); }

  int8_t getAscent(void) { return u8g2_GetAscent(&u8g2); }
  int8_t getDescent(void) { return u8g2_GetDescent(&u8g2); }

  void setFontPosBaseline(void) { u8g2_SetFontPosBaseline(&u8g2); }
  void setFontPosBottom(void) { u8g2_SetFontPosBottom(&u8g2); }
  void setFontPosTop(void) { u8g2_SetFontPosTop(&u8g2); }
  void setFontPosCenter(void) { u8g2_SetFontPosCenter(&u8g2); }

  void setFontRefHeightText(void) { u8g2_SetFontRefHeightText(&u8g2); }
  void setFontRefHeightExtendedText(void) {
    u8g2_SetFontRefHeightExtendedText(&u8g2);
  }
  void setFontRefHeightAll(void) { u8g2_SetFontRefHeightAll(&u8g2); }

  /*
  uint8_t u8g2_IsGlyph(u8g2_t *u8g2, uint16_t requested_encoding);
  int8_t u8g2_GetGlyphWidth(u8g2_t *u8g2, uint16_t requested_encoding);
  u8g2_uint_t u8g2_GetStrWidth(u8g2_t *u8g2, const char *s);
  u8g2_uint_t u8g2_GetUTF8Width(u8g2_t *u8g2, const char *str);
  */

  u8g2_uint_t drawGlyph(u8g2_uint_t x, u8g2_uint_t y, uint16_t encoding) {
    return u8g2_DrawGlyph(&u8g2, x, y, encoding);
  }
  u8g2_uint_t drawStr(u8g2_uint_t x, u8g2_uint_t y, const char *s) {
    return u8g2_DrawStr(&u8g2, x, y, s);
  }
  u8g2_uint_t drawUTF8(u8g2_uint_t x, u8g2_uint_t y, const char *s) {
    return u8g2_DrawUTF8(&u8g2, x, y, s);
  }
  u8g2_uint_t drawExtUTF8(u8g2_uint_t x, u8g2_uint_t y, uint8_t to_left,
                          const uint16_t *kerning_table, const char *s) {
    return u8g2_DrawExtUTF8(&u8g2, x, y, to_left, kerning_table, s);
  }

  u8g2_uint_t getStrWidth(const char *s) { return u8g2_GetStrWidth(&u8g2, s); }
  u8g2_uint_t getUTF8Width(const char *s) {
    return u8g2_GetUTF8Width(&u8g2, s);
  }

  // not required any more, enable UTF8 for print
  // void printUTF8(const char *s) { tx += u8g2_DrawUTF8(&u8g2, tx, ty, s); }

  /* virtual function for print base class */
  size_t write(uint8_t v) {
    uint16_t e = cpp_next_cb(&(u8g2.u8x8), v);

    if (e < 0x0fffe) tx += u8g2_DrawGlyph(&u8g2, tx, ty, e);
    return 1;
  }

  size_t write(const uint8_t *buffer, size_t size) {
    size_t cnt = 0;
    while (size > 0) {
      cnt += write(*buffer++);
      size--;
    }
    return cnt;
  }

  /* user interface */
  /*
  uint8_t u8g2_UserInterfaceSelectionList(u8g2_t *u8g2, const char *title,
  uint8_t start_pos, const char *sl); uint8_t u8g2_UserInterfaceMessage(u8g2_t
  *u8g2, const char *title1, const char *title2, const char *title3, const char
  *buttons); uint8_t u8g2_UserInterfaceInputValue(u8g2_t *u8g2, const char
  *title, const char *pre, uint8_t *value, uint8_t lo, uint8_t hi, uint8_t
  digits, const char *post);
  */

  uint8_t userInterfaceSelectionList(const char *title, uint8_t start_pos,
                                     const char *sl) {
    return u8g2_UserInterfaceSelectionList(&u8g2, title, start_pos, sl);
  }
  uint8_t userInterfaceMessage(const char *title1, const char *title2,
                               const char *title3, const char *buttons) {
    return u8g2_UserInterfaceMessage(&u8g2, title1, title2, title3, buttons);
  }
  uint8_t userInterfaceInputValue(const char *title, const char *pre,
                                  uint8_t *value, uint8_t lo, uint8_t hi,
                                  uint8_t digits, const char *post) {
    return u8g2_UserInterfaceInputValue(&u8g2, title, pre, value, lo, hi,
                                        digits, post);
  }

  /* LiquidCrystal compatible functions */
  void home(void) {
    tx = 0;
    ty = 0;
    u8x8_utf8_init(u8g2_GetU8x8(&u8g2));
  }
  void clear(void) {
    home();
    clearDisplay();
    clearBuffer();
  }
  void noDisplay(void) { u8g2_SetPowerSave(&u8g2, 1); }
  void display(void) { u8g2_SetPowerSave(&u8g2, 0); }
  void setCursor(u8g2_uint_t x, u8g2_uint_t y) {
    tx = x;
    ty = y;
  }

  /* u8glib compatible functions */
  void sleepOn(void) { u8g2_SetPowerSave(&u8g2, 1); }
  void sleepOff(void) { u8g2_SetPowerSave(&u8g2, 0); }
  void setColorIndex(uint8_t color_index) {
    u8g2_SetDrawColor(&u8g2, color_index);
  }
  uint8_t     getColorIndex(void) { return u8g2_GetDrawColor(&u8g2); }
  int8_t      getFontAscent(void) { return u8g2_GetAscent(&u8g2); }
  int8_t      getFontDescent(void) { return u8g2_GetDescent(&u8g2); }
  int8_t      getMaxCharHeight(void) { return u8g2_GetMaxCharHeight(&u8g2); }
  int8_t      getMaxCharWidth(void) { return u8g2_GetMaxCharWidth(&u8g2); }
  u8g2_uint_t getHeight() { return u8g2_GetDisplayHeight(&u8g2); }
  u8g2_uint_t getWidth() { return u8g2_GetDisplayWidth(&u8g2); }
};

void u8x8_SetPin_HW_I2C(u8x8_t *u8x8, uint8_t reset, uint8_t clock,
                        uint8_t data) {
  u8x8_SetPin(u8x8, U8X8_PIN_RESET, reset);
  u8x8_SetPin(u8x8, U8X8_PIN_I2C_CLOCK, clock);
  u8x8_SetPin(u8x8, U8X8_PIN_I2C_DATA, data);
}

class U8G2_SSD1306_128X64_NONAME_F_HW_I2C : public U8G2 {
 public:
  U8G2_SSD1306_128X64_NONAME_F_HW_I2C(const u8g2_cb_t *rotation,
                                      uint8_t          reset = U8X8_PIN_NONE,
                                      uint8_t          clock = U8X8_PIN_NONE,
                                      uint8_t          data  = U8X8_PIN_NONE)
      : U8G2() {
    u8g2_Setup_ssd1306_i2c_128x64_noname_f(
        &u8g2, rotation, u8g2_esp32_i2c_byte_cb, u8g2_esp32_gpio_and_delay_cb);
    u8x8_SetPin_HW_I2C(getU8x8(), reset, clock, data);
  }
};