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* Use extra comptible = "zmk,behavior-global" to add behaviors to global bindings for event notification. * Implement mod-tap, as a keymap binding and global one to skip tap if other keycode pressed while held.xmkb
Pete Johanson
4 years ago
20 changed files with 307 additions and 100 deletions
@ -0,0 +1,9 @@ |
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/ { |
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behaviors { |
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mt: behavior_mod_tap { |
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compatible = "zmk,behavior-mod-tap", "zmk,behavior-global"; |
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label = "MOD_TAP"; |
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#binding-cells = <2>; |
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}; |
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}; |
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}; |
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# Copyright (c) 2020, Pete Johanson |
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# SPDX-License-Identifier: MIT |
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description: Mod-Tap Beavhior |
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compatible: "zmk,behavior-mod-tap" |
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include: two_param.yaml |
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description: | |
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Specify the the global behaviors bound to state changes |
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compatible: "zmk,global-bindings" |
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properties: |
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bindings: |
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type: phandles |
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required: true |
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/*
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* Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com> |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#define DT_DRV_COMPAT zmk_behavior_mod_tap |
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#include <device.h> |
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#include <drivers/behavior.h> |
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#include <logging/log.h> |
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#include <zmk/events.h> |
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); |
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struct behavior_mod_tap_config { }; |
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struct behavior_mod_tap_data { |
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u16_t pending_press_positions; |
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}; |
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static int behavior_mod_tap_init(struct device *dev) |
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{ |
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return 0; |
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}; |
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static int on_keymap_binding_pressed(struct device *dev, u32_t position, u32_t mods, u32_t keycode) |
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{ |
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struct behavior_mod_tap_data *data = dev->driver_data; |
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LOG_DBG("mods: %d, keycode: %d", mods, keycode); |
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WRITE_BIT(data->pending_press_positions, position, true); |
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return zmk_events_modifiers_pressed(mods); |
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} |
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// They keycode is passed by the "keymap" based on the parameter created as part of the assignment.
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static int on_keymap_binding_released(struct device *dev, u32_t position, u32_t mods, u32_t keycode) |
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{ |
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struct behavior_mod_tap_data *data = dev->driver_data; |
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LOG_DBG("mods: %d, keycode: %d", mods, keycode); |
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zmk_events_modifiers_released(mods); |
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if (data->pending_press_positions & BIT(position)) { |
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zmk_events_keycode_pressed(keycode); |
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k_msleep(10); |
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zmk_events_keycode_released(keycode); |
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} |
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return 0; |
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} |
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static int on_keycode_pressed(struct device *dev, u32_t keycode) |
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{ |
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struct behavior_mod_tap_data *data = dev->driver_data; |
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data->pending_press_positions = 0; |
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LOG_DBG("pressing: %d", keycode); |
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return 0; |
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} |
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static int on_keycode_released(struct device *dev, u32_t keycode) |
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{ |
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LOG_DBG("releasing: %d", keycode); |
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return 0; |
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} |
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static const struct behavior_driver_api behavior_mod_tap_driver_api = { |
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// These callbacks are all optional, and define which kinds of events the behavior can handle.
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// They can reference local functions defined here, or shared event handlers.
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.binding_pressed = on_keymap_binding_pressed, |
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.binding_released = on_keymap_binding_released, |
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.keycode_pressed = on_keycode_pressed, |
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.keycode_released = on_keycode_released |
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// Other optional callbacks a behavior can implement
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// .on_mouse_moved
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// .on_sensor_data - Any behaviour that wants to be linked to a censor can implement this behavior
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}; |
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static const struct behavior_mod_tap_config behavior_mod_tap_config = {}; |
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static struct behavior_mod_tap_data behavior_mod_tap_data; |
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DEVICE_AND_API_INIT(behavior_key_press, DT_INST_LABEL(0), behavior_mod_tap_init, |
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&behavior_mod_tap_data, |
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&behavior_mod_tap_config, |
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APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, |
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&behavior_mod_tap_driver_api); |
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