You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
3.2 KiB
86 lines
3.2 KiB
/* |
|
* Copyright (c) 2020 The ZMK Contributors |
|
* |
|
* 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/hid.h> |
|
#include <dt-bindings/zmk/hid_usage_pages.h> |
|
#include <zmk/endpoints.h> |
|
|
|
static int hid_listener_keycode_pressed(const struct zmk_keycode_state_changed *ev) { |
|
int err, explicit_mods_changed, implicit_mods_changed; |
|
|
|
LOG_DBG("usage_page 0x%02X keycode 0x%02X implicit_mods 0x%02X explicit_mods 0x%02X", |
|
ev->usage_page, ev->keycode, ev->implicit_modifiers, ev->explicit_modifiers); |
|
err = zmk_hid_press(ZMK_HID_USAGE(ev->usage_page, ev->keycode)); |
|
if (err < 0) { |
|
LOG_DBG("Unable to press keycode"); |
|
return err; |
|
} |
|
explicit_mods_changed = zmk_hid_register_mods(ev->explicit_modifiers); |
|
implicit_mods_changed = zmk_hid_implicit_modifiers_press(ev->implicit_modifiers); |
|
if (ev->usage_page != HID_USAGE_KEY && |
|
(explicit_mods_changed > 0 || implicit_mods_changed > 0)) { |
|
err = zmk_endpoints_send_report(HID_USAGE_KEY); |
|
if (err < 0) { |
|
LOG_ERR("Failed to send key report for changed mofifiers for consumer page event (%d)", |
|
err); |
|
} |
|
} |
|
|
|
return zmk_endpoints_send_report(ev->usage_page); |
|
} |
|
|
|
static int hid_listener_keycode_released(const struct zmk_keycode_state_changed *ev) { |
|
int err, explicit_mods_changed, implicit_mods_changed; |
|
|
|
LOG_DBG("usage_page 0x%02X keycode 0x%02X implicit_mods 0x%02X explicit_mods 0x%02X", |
|
ev->usage_page, ev->keycode, ev->implicit_modifiers, ev->explicit_modifiers); |
|
err = zmk_hid_release(ZMK_HID_USAGE(ev->usage_page, ev->keycode)); |
|
if (err < 0) { |
|
LOG_DBG("Unable to release keycode"); |
|
return err; |
|
} |
|
|
|
explicit_mods_changed = zmk_hid_unregister_mods(ev->explicit_modifiers); |
|
// There is a minor issue with this code. |
|
// If LC(A) is pressed, then LS(B), then LC(A) is released, the shift for B will be released |
|
// prematurely. This causes if LS(B) to repeat like Bbbbbbbb when pressed for a long time. |
|
// Solving this would require keeping track of which key's implicit modifiers are currently |
|
// active and only releasing modifiers at that time. |
|
implicit_mods_changed = zmk_hid_implicit_modifiers_release(); |
|
; |
|
if (ev->usage_page != HID_USAGE_KEY && |
|
(explicit_mods_changed > 0 || implicit_mods_changed > 0)) { |
|
err = zmk_endpoints_send_report(HID_USAGE_KEY); |
|
if (err < 0) { |
|
LOG_ERR("Failed to send key report for changed mofifiers for consumer page event (%d)", |
|
err); |
|
} |
|
} |
|
return zmk_endpoints_send_report(ev->usage_page); |
|
} |
|
|
|
int hid_listener(const zmk_event_t *eh) { |
|
const struct zmk_keycode_state_changed *kc_ev = as_zmk_keycode_state_changed(eh); |
|
if (kc_ev) { |
|
if (kc_ev->state) { |
|
hid_listener_keycode_pressed(kc_ev); |
|
} else { |
|
hid_listener_keycode_released(kc_ev); |
|
} |
|
return 0; |
|
} |
|
return 0; |
|
} |
|
|
|
ZMK_LISTENER(hid_listener, hid_listener); |
|
ZMK_SUBSCRIPTION(hid_listener, zmk_keycode_state_changed);
|
|
|