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diff --git a/keyboards/handwired/onekey/keymaps/i2c_scanner/readme.md b/keyboards/handwired/onekey/keymaps/i2c_scanner/readme.md new file mode 100644 index 000000000..ce6357a9c --- /dev/null +++ b/keyboards/handwired/onekey/keymaps/i2c_scanner/readme.md @@ -0,0 +1,36 @@ +# i2c_scanner + +Aiming to provide a more qmk friendly version of <https://playground.arduino.cc/Main/I2cScanner/> + +> This very simple ~~sketch~~ keymap scans the I2C-bus for devices. If a device is found, it is reported to the ~~Arduino serial monitor~~ console. + + +## Flashing + +Pick a target that is aligned to the MCU you want to test: + +```console +make handwired/onekey/elite_c:i2c_scanner:flash # also 32u4 + dfu bootloader +make handwired/onekey/promicro:i2c_scanner:flash +make handwired/onekey/teensy_2:i2c_scanner:flash + +# ChibiOS is currently 'best effort' and might not report accurate results +make handwired/onekey/proton_c:i2c_scanner:flash +``` + +others might work with additional configuration. + +## Usage + +Output is viewable through a compatible tool <https://docs.qmk.fm/#/newbs_testing_debugging?id=debugging-tools>. + +You can change the wires, and plug-in I2C devices while the i2c_scanner is running. + +The output of the console will look like this: + +``` +Listening: +Scanning... + I2C device found at address 0x20 +done +``` |