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Updated Variant USART (markdown)

Candas1
2023-02-13 09:43:28 +01:00
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Variant-USART.md

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This variant can be used to control the board from another board(e.g. Arduino, ESP32, ESP8266,RASPBERRY PI) or a computer via a serial protocol.<br />
The example [Arduino sketch](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/blob/master/Arduino/hoverserial/hoverserial.ino) will send commands and process the feedback.<br />
Voltage [Control Mode](https://github.com/EFeru/hoverboard-firmware-hack-FOC#foc-firmware) is used by default for this variant.
You can also test this variant with following [Web Tool](https://github.com/Candas1/Hoverboard-Web-Serial-Control), it let's you control the board and trace feedback values.<br>
This [Python code](https://github.com/kosni68/HoverSerial) inspired by the code shared in this [issue](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/issues/157) can also be used to control the firmware.
## :gear: Configuration/Parameters
Voltage [Control Mode](https://github.com/EFeru/hoverboard-firmware-hack-FOC#foc-firmware) is used by default.<br>
Use CONTROL_SERIAL_USART2 and FEEDBACK_SERIAL_USART2 for left sensor cable(default).<br> CONTROL_SERIAL_USART3 and FEEDBACK_SERIAL_USART3 for the right sensor cable(5v tolerant).<br>
SIDEBOARD_SERIAL_USART2 or SIDEBOARD_SERIAL_USART3 parameters can be used instead of CONTROL_SERIAL_USART2 or CONTROL_SERIAL_USART3 to enable a different [protocol](https://github.com/EFeru/hoverboard-firmware-hack-FOC/issues/143) implemented on the [sideboard firmware](https://github.com/EFeru/hoverboard-sideboard-hack-GD). It can also be used with the [Web tool](https://github.com/Candas1/Hoverboard-Web-Serial-Control#protocol---hovercar) for testing the different control modes/types.<br>