diff options
Diffstat (limited to 'app/src/hid_listener.c')
| -rw-r--r-- | app/src/hid_listener.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/app/src/hid_listener.c b/app/src/hid_listener.c new file mode 100644 index 0000000..69aa23e --- /dev/null +++ b/app/src/hid_listener.c @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2020 Peter Johanson <peter@peterjohanson.com> + * + * SPDX-License-Identifier: MIT + */ + +#include <drivers/behavior.h> +#include <logging/log.h> + +LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); + +#include <zmk/event-manager.h> +#include <zmk/events/keycode-state-changed.h> +#include <zmk/events/modifiers-state-changed.h> +#include <zmk/hid.h> +#include <zmk/endpoints.h> + + +static int hid_listener_keycode_pressed(u8_t usage_page, u32_t keycode) +{ + int err; + LOG_DBG("usage_page 0x%02X keycode 0x%02X", usage_page, keycode); + + switch (usage_page) { + case USAGE_KEYPAD: + err = zmk_hid_keypad_press(keycode); + if (err) { + LOG_ERR("Unable to press keycode"); + return err; + } + break; + case USAGE_CONSUMER: + err = zmk_hid_consumer_press(keycode); + if (err) { + LOG_ERR("Unable to press keycode"); + return err; + } + break; + } + + return zmk_endpoints_send_report(usage_page); +} + +static int hid_listener_keycode_released(u8_t usage_page, u32_t keycode) +{ + int err; + LOG_DBG("usage_page 0x%02X keycode 0x%02X", usage_page, keycode); + + switch (usage_page) { + case USAGE_KEYPAD: + err = zmk_hid_keypad_release(keycode); + if (err) { + LOG_ERR("Unable to release keycode"); + return err; + } + break; + case USAGE_CONSUMER: + err = zmk_hid_consumer_release(keycode); + if (err) { + LOG_ERR("Unable to release keycode"); + return err; + } + break; + } + return zmk_endpoints_send_report(usage_page); +} + +static int hid_listener_modifiers_pressed(zmk_mod_flags modifiers) +{ + LOG_DBG("modifiers %d", modifiers); + + zmk_hid_register_mods(modifiers); + return zmk_endpoints_send_report(USAGE_KEYPAD); +} + +static int hid_listener_modifiers_released(zmk_mod_flags modifiers) +{ + LOG_DBG("modifiers %d", modifiers); + + zmk_hid_unregister_mods(modifiers); + return zmk_endpoints_send_report(USAGE_KEYPAD); +} + +int hid_listener(const struct zmk_event_header *eh) +{ + if (is_keycode_state_changed(eh)) { + const struct keycode_state_changed *ev = cast_keycode_state_changed(eh); + if (ev->state) { + hid_listener_keycode_pressed(ev->usage_page, ev->keycode); + } else { + hid_listener_keycode_released(ev->usage_page, ev->keycode); + } + } else if (is_modifiers_state_changed(eh)) { + const struct modifiers_state_changed *ev = cast_modifiers_state_changed(eh); + if (ev->state) { + hid_listener_modifiers_pressed(ev->modifiers); + } else { + hid_listener_modifiers_released(ev->modifiers); + } + } + return 0; +} + +ZMK_LISTENER(hid_listener, hid_listener); +ZMK_SUBSCRIPTION(hid_listener, keycode_state_changed); +ZMK_SUBSCRIPTION(hid_listener, modifiers_state_changed);
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