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QMK Bot 2021-03-02 05:29:53 +00:00
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docs/feature_split_keyboard.md
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@ -109,6 +109,10 @@ Normally, when a diode is connected to an intersection, it is judged to be left.
#define SPLIT_HAND_MATRIX_GRID_LOW_IS_RIGHT #define SPLIT_HAND_MATRIX_GRID_LOW_IS_RIGHT
``` ```
Note that adding a diode at a previously unused intersection will effectively tell the firmware that there is a key held down at that point. You can instruct qmk to ignore that intersection by defining `MATRIX_MASKED` and then defining a `matrix_row_t matrix_mask[MATRIX_ROWS]` array in your keyboard config. Each bit of a single value (starting form the least-significant bit) is used to tell qmk whether or not to pay attention to key presses at that intersection.
While `MATRIX_MASKED` isn't necessary to use `SPLIT_HAND_MATRIX_GRID` successfully, without it you may experience issues trying to suspend your computer with your keyboard attached as the matrix will always report at least one key-press.
#### Handedness by EEPROM #### Handedness by EEPROM
This method sets the keyboard's handedness by setting a flag in the persistent storage (`EEPROM`). This is checked when the controller first starts up, and determines what half the keyboard is, and how to orient the keyboard layout. This method sets the keyboard's handedness by setting a flag in the persistent storage (`EEPROM`). This is checked when the controller first starts up, and determines what half the keyboard is, and how to orient the keyboard layout.