/* * Copyright (c) 2020 Peter Johanson * * SPDX-License-Identifier: MIT */ #define DT_DRV_COMPAT zmk_behavior_mod_tap #include #include #include #include #include #include LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); struct behavior_mod_tap_config { }; struct behavior_mod_tap_data { u16_t pending_press_positions; }; int behavior_mod_tap_listener(const struct zmk_event_header *eh) { if (is_keycode_state_changed(eh)) { struct device *dev = device_get_binding(DT_INST_LABEL(0)); const struct keycode_state_changed *ev = cast_keycode_state_changed(eh); if (ev->state) { struct behavior_mod_tap_data *data = dev->driver_data; data->pending_press_positions = 0; } } return 0; } ZMK_LISTENER(behavior_mod_tap, behavior_mod_tap_listener); ZMK_SUBSCRIPTION(behavior_mod_tap, keycode_state_changed); static int behavior_mod_tap_init(struct device *dev) { return 0; }; static int on_keymap_binding_pressed(struct device *dev, u32_t position, u32_t mods, u32_t keycode) { struct behavior_mod_tap_data *data = dev->driver_data; LOG_DBG("mods: %d, keycode: %d", mods, keycode); WRITE_BIT(data->pending_press_positions, position, true); return zmk_events_modifiers_pressed(mods); } // They keycode is passed by the "keymap" based on the parameter created as part of the assignment. static int on_keymap_binding_released(struct device *dev, u32_t position, u32_t mods, u32_t keycode) { struct behavior_mod_tap_data *data = dev->driver_data; LOG_DBG("mods: %d, keycode: %d", mods, keycode); zmk_events_modifiers_released(mods); if (data->pending_press_positions & BIT(position)) { zmk_events_keycode_pressed(USAGE_KEYPAD, keycode); k_msleep(10); zmk_events_keycode_released(USAGE_KEYPAD, keycode); } return 0; } static const struct behavior_driver_api behavior_mod_tap_driver_api = { .binding_pressed = on_keymap_binding_pressed, .binding_released = on_keymap_binding_released, }; static const struct behavior_mod_tap_config behavior_mod_tap_config = {}; static struct behavior_mod_tap_data behavior_mod_tap_data; DEVICE_AND_API_INIT(behavior_mod_tap, DT_INST_LABEL(0), behavior_mod_tap_init, &behavior_mod_tap_data, &behavior_mod_tap_config, APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &behavior_mod_tap_driver_api);