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authorlokher <lokher@gmail.com>2022-09-13 11:24:05 +0800
committerlokher <lokher@gmail.com>2022-09-13 11:24:05 +0800
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-# bluepill splittest
-
-This is the splittest example for the bluepill MCU.
-To trigger keypress, short together pins _B10_ and _B1_.
-
-## Keyboard Configuration
-
-The type of communication (bitbang, serial (half/full duplex)) is set by the keymap `config.h` file with variables with `SPLIT_` prefix.
-So this example uses:
-
-- `config.h` to set which SDI to use for serial. Either define `USE_SDI1_ON_STANDARD_ROLE_PINS`, `USE_SDI1_ON_ALTERNATE_ROLE_PINS` or `USE_SDI2` before the `#ifdef` that configures the default case when none of these variable is defined.
-- `post_config.h` for defining the communication pins between the halves once the keymap is configured.
-
-On your keyboard, you most likely will only use `config.h` because you'd have already chosen your communication scheme: serial type, SDI, pins.
-
-## Wiring
-
-### Switches
-
-- Add switches to both Bluepills across B10 and B1 pins
-
-### Handedness
-
-Have a look at the [handedness documentation](https://docs.qmk.fm/#/feature_split_keyboard?id=setting-handedness)
-
-- Add pull-up resistor to left side between VCC and A7
-- Add pull-down resistors to right side between GND and A7
-
-### Send power to the other half
-
-- Connect the following pins on both sides together: GND, VCC
-
-### Halves data connection
-
-Choose one of the connection type
-
-#### serial - bitbang
-
-- Connect the B8 pins on both sides together
-
-#### serial - usart half duplex
-
-Check the [documentation](https://docs.qmk.fm/#/serial_driver?id=usart-half-duplex) to determine the pull-up resistor.
-
-- To use the default usart (USART1) with the standard role pins,
- - Connect the A9 pins on both sides together and to add a pull-up resistor on one of these pins
- - Define USE_SDI1_ON_STANDARD_ROLE_PINS in config.h
-- To use the default usart (USART1) with the alternate role pins,
- - Connect the B6 pins on both sides together and to add a pull-up resistor on one of these pins
- - Define USE_SDI1_ON_ALTERNATE_ROLE_PINS in config.h
-- To use the usart2 (USART2) pins,
- - Connect the A2 pins on both sides together and to add a pull-up resistor on one of these pins
- - Define USE_SDI2 in config.h
-
-#### serial - usart full duplex
-
-- To use the default usart (USART1) with the standard role pins,
- - Connect the mpins on A9, A10 one to the other on each side
- - Define USE_SDI1_ON_STANDARD_ROLE_PINS in config.h
-- To use the default usart (USART1) with the alternate role pins,
- - Connect the pins B6, B7 one to the other on each side
- - Define USE_SDI1_ON_ALTERNATE_ROLE_PINS in config.h
-- To use the usart2 (USART2) pins,
- - Connect the pins A2, A3 one to the other on each side
- - Define USE_SDI2 in config.h