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Implemented HOVERCAR variant

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Major:
- created HOVERCAR variant (selectable via platformio.ini) for driving via 2 pedals: Brake (on cmd1) and Throttle (on cmd2)
- implemented "Double tapping" on Brake pedal to engage Reverse driving
- implemented that Brake pedal stops the vehicle but does not go to Reverse, to prevend unintended Reverse driving
- implemented ADC Protection when GND and Vcc wire are disconnected. The functionality can be enabled/disabled via #define ADC_PROTECT_ENA
- updated error handling: in case of major error the motors will be disabled for improved safety

Minor:
- fixed bug on low-pass filter for not reaching exact "0" value
- calibrated the ADC Battery voltage reading
- other minor visual updates
This commit is contained in:
EmanuelFeru
2019-12-31 13:35:01 +01:00
parent 183776ceb2
commit b4b23bbe9b
22 changed files with 389 additions and 193 deletions
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README.md
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@@ -149,10 +149,13 @@ Most robust way for input is to use the ADC and potis. It works well even on 1m
---
## Examples
Have a look at the config.h in the Inc directory. That's where you configure to firmware to match your project.
Currently supported: Wii Nunchuck, analog potentiometer and PPM-Sum signal from a RC remote.
A good example of control via UART, eg. from an Arduino or raspberryPi, can be found here:
https://github.com/p-h-a-i-l/hoverboard-firmware-hack
This firmware offers currently 4 variants (selectable in platformio.ino):
- **VARIANT_ADC**: In this variant the motors are controlled by two potentiometers connected to the Left sensor cable (long wired)
- **VARIANT_USART3**: In this variant the motors are controlled via Serial protocol on USART3 Right sensor cable (short wired). The commands can be sent from an Arduino. Check out the [hoverserial.ino](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/tree/master/02_Arduino/hoverserial) as an example sketch.
- **HOVERCAR**: In this variant the motors are controlled by two pedals Brake and Throttle. Reverse is engaged by double tapping on the Brake pedal at standstill.
- **TRANSPOTTER**: This build is for Transpotter which is a hoverboard based transportation system. For more details on how to build it check [here](https://github.com/NiklasFauth/hoverboard-firmware-hack/wiki/Build-Instruction:-TranspOtter) and [here](https://hackaday.io/project/161891-transpotter-ng).
Of course the firmware can be further customized for other needs or projects.
---
## Acknowledgements