Alternatively, you can define them as `U8G2_DISPLAY_TABLE_I2C_EXTRA` and `U8G2_DISPLAY_TABLE_SPI_EXTRA` in an external file to avoid changing the source tree. Include the extra file on the `make` command line:
```
make EXTRA_CCFLAGS='-include $(TOP_DIR)/my_extras.h'
```
#### ESP32
Enable the desired entries for I²C and SPI displays in u8g2's sub-menu (run `make menuconfig`).
...
...
@@ -96,6 +101,11 @@ Add the desired fonts to the font table in [app/include/u8g2_fonts.h](../../../a
U8G2_FONT_TABLE_ENTRY(font_unifont_t_symbols) \
```
Alternatively, you can define this as `U8G2_FONT_TABLE_EXTRA` in an external file to avoid changing the source tree. Include the extra file on the `make` command line:
```
make EXTRA_CCFLAGS='-include $(TOP_DIR)/my_extras.h'
```
#### ESP32
Add the desired fonts to the font selection sub-entry via `make menuconfig`.