Add layer condition example to encoder callback function (#15490)
Co-authored-by: filterpaper <filterpaper@localhost>
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@ -87,6 +87,43 @@ bool encoder_update_user(uint8_t index, bool clockwise) {
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!> If you return `true`, this will allow the keyboard level code to run, as well. Returning `false` will override the keyboard level code. Depending on how the keyboard level function is set up.
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Layer conditions can also be used with the callback function like the following:
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```c
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bool encoder_update_user(uint8_t index, bool clockwise) {
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if (get_highest_layer(layer_state|default_layer_state) > 0) {
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if (index == 0) {
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if (clockwise) {
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tap_code(KC_WH_D);
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} else {
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tap_code(KC_WH_U);
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}
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} else if (index == 1) {
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if (clockwise) {
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tap_code(KC_VOLU);
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} else {
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tap_code(KC_VOLD);
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}
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}
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} else { /* Layer 0 */
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if (index == 0) {
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if (clockwise) {
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tap_code(KC_PGDN);
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} else {
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tap_code(KC_PGUP);
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}
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} else if (index == 1) {
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if (clockwise) {
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tap_code(KC_DOWN);
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} else {
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tap_code(KC_UP);
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}
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}
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}
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return false;
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}
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```
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## Hardware
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The A an B lines of the encoders should be wired directly to the MCU, and the C/common lines should be wired to ground.
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