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Made HOWTO a tiny bit better.

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Marcel
2025-03-04 20:26:23 +01:00
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Documentation/HOWTO-change-firmware-and-compile-it_MeesElectronics.md
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@@ -158,7 +158,20 @@ The new code:
}
};
A lot of the abilities of the board is defined here. Most of it is self explanatory. In a future update of this document it will be beter explained. For now, the above values should be good enough to get you started.
A lot of the abilities of the board is defined here. Most of it is self explanatory. The above values should be good enough to get you started.
|Name|What does it do|
|----|-------|
|IS_ESP32S3|Is the board an ESP32 S3|
|HAS_DISPLAY| Has the board a display|
|HAS_BLUETOOTH| Has the board Bluetooth|
|HAS_BLE|Has the board Bluetooth LE|
|HAS_PMU|Unknown yet|
|HAS_CONSOLE|RNode Bootstrap Console|
|HAS_EEPROM|All ESP32 have EEPROM|
|INTERFACE_COUNT|Unknown, set to 1|
|HAS_NP|Has the board a NeoPixel|
|EXTERNAL_LEDS|Has the board external LEDs|
The SPI bus is defined in the structs `interfaces`, `interface_cfg` and `interface_pins`. The comments in the code explain it well enough, I think. When the value of `interface_cfg[0]` is set to *false*, we can define all the IO pins in the struct `interface_pins`. The numbers are the GPIO numbers of the ESP32 S3. So 10 means GPIO10. If the value is set to -1 the pin is not used. For example, the SX1278 transceiver doesn't have a busy pin, so it is set to -1.