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2019-03-19 08:52:48 +01:00
2019-04-02 15:47:57 +02:00
This is just some STM32F4DISCOVERY demo application using Rust.
2019-04-11 20:21:41 +02:00
It has a simple serial command-interface for controlling (via GPIO) what the
LED ring does: cycle clock-wise, counter clock-wise, or follow the
accelerometer. The accelerometer is accessed via SPI.
The project also shows how to do unit testing and how to use GitLab CI.
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Serial interface
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The serial interface is configured on USART 2 and can be accessed using, for
example, an USB-to-serial cable connected to a ground pin, and RX to PA2 and TX
to PA3.
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The interface will output the following lines:
* `init` after initialization has finished
* `button` when the user button has been pressed
* `level` when the board is being held in a perfect level position (when in
acceleration mode)
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The following lines can be given as commands:
* `on` to turn all the leds on (and disable accelerometer/cycle mode)
* `off` to turn all the leds off (and disable accelerometer/cycle mode)
* `accel` to switch to accelerometer mode
* `cycle` to switch to cycle mode
* `stop` to freeze the LEDs in the current position
[0-clause BSD license](