Compile error when LCD_USE_SSD1306 set to true

[shingle01]

I thought I'd see if I could get the OLED display working on esp32. Unfortunately, I get the following compile error.

Compiling .pio\build\esp32\src\FsEeprom.cpp.o In file included from src/BrewManiac.cpp:354:0: src/ui.h: In function 'void uiLcdDrawSymbol(byte, byte, byte)': src/ui.h:264:96: error: invalid conversion from 'const char' to 'const uint8_t {aka const unsigned char}' [-fpermissive] display.drawXbm(x,y,FontWidth,FontHeight,(const char)SymbolMaps[_reservedChar2SymbolId[sid]]); ^ In file included from lib/esp8266-oled-ssd1306-4.0.0/src/SSD1306Wire.h:34:0, from lib/esp8266-oled-ssd1306-4.0.0/src/SSD1306.h:33, from src/ui.h:24, from src/BrewManiac.cpp:354: lib/esp8266-oled-ssd1306-4.0.0/src/OLEDDisplay.h:175:10: note: initializing argument 5 of 'void OLEDDisplay::drawXbm(int16_t, int16_t, int16_t, int16_t, const uint8_t)' void drawXbm(int16_t x, int16_t y, int16_t width, int16_t height, const uint8_t xbm); ^ In file included from src/BrewManiac.cpp:354:0: src/ui.h: In function 'void uiLcdDrawSymbolBmp(byte, byte, SymbolId)': src/ui.h:282:94: error: invalid conversion from 'const char' to 'const uint8_t {aka const unsigned char}' [-fpermissive] display.drawXbm(XofCol(col),YofRow(row),FontWidth,FontHeight,(const char)SymbolMaps[symbol]); ^ In file included from lib/esp8266-oled-ssd1306-4.0.0/src/SSD1306Wire.h:34:0, from lib/esp8266-oled-ssd1306-4.0.0/src/SSD1306.h:33, from src/ui.h:24, from src/BrewManiac.cpp:354: lib/esp8266-oled-ssd1306-4.0.0/src/OLEDDisplay.h:175:10: note: initializing argument 5 of 'void OLEDDisplay::drawXbm(int16_t, int16_t, int16_t, int16_t, const uint8_t)' void drawXbm(int16_t x, int16_t y, int16_t width, int16_t height, const uint8_t xbm); ^ In file included from src/BrewManiac.cpp:354:0: src/ui.h: In function 'void uiLcdInitialize()': src/ui.h:299:31: error: invalid conversion from 'const char' to 'const uint8_t {aka const unsigned char}' [-fpermissive] display.setFont(Cousine_10); ^ In file included from lib/esp8266-oled-ssd1306-4.0.0/src/SSD1306Wire.h:34:0, from lib/esp8266-oled-ssd1306-4.0.0/src/SSD1306.h:33, from src/ui.h:24, from src/BrewManiac.cpp:354: lib/esp8266-oled-ssd1306-4.0.0/src/OLEDDisplay.h:201:10: note: initializing argument 1 of 'void OLEDDisplay::setFont(const uint8_t)' void setFont(const uint8_t *fontData); ^ *** [.pio\build\esp32\src\BrewManiac.cpp.o] Error 1 =============================================== [FAILED] Took 9.58 seconds =============================================== Environment Status Duration

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esp32 FAILED 00:00:09.580 ========================================= 1 failed, 0 succeeded in 00:00:09.580 ========================================= The terminal process "C:\Users\shingle.platformio\penv\Scripts\platformio.exe 'run', '--environment', 'esp32'" terminated with exit code: 1.

Terminal will be reused by tasks, press any key to close it.

[vitotai]

You must have wrong OLED library Check the line 175 in OLEDDisplay.h

https://github.com/vitotai/BrewManiacEsp8266/blob/b959125d6e6eecb8307cd41a4131f3a8a483e2aa/lib/esp8266-oled-ssd1306-4.0.0/src/OLEDDisplay.h#L175

Your error message shows: drawXbm(int16_t x, int16_t y, int16_t width, int16_t height, const uint8_t xbm);

It is: void drawXbm(int16_t x, int16_t y, int16_t width, int16_t height, const uint8_t *xbm);

[shingle01]

That's what I have:

[vitotai]

My fault. A new target for ESP32 with OLED is now added. However, I have not tested it. All my OLED lcds died, and I don't want to buy more.

[shingle01]

Tested and working. Thanks.