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Major mod-tap improvements. 

* Track active mods when mods or keycode
  events occur.
* Use the tracked mods when releasing or
  generating keycode events.
* Track pending/used status in one array, for
  improved storage efficency.
xmkb
Pete Johanson 4 years ago
parent
f548f2a87c
commit
8bba1fb738
1 changed files with 123 additions and 88 deletions
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  1. 211
      app/src/behaviors/behavior_mod_tap.c

211
app/src/behaviors/behavior_mod_tap.c
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@ -33,16 +33,22 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL); @@ -33,16 +33,22 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
break; \
}
struct pending_mod_tap_item {
struct active_mod_tap_item {
u32_t keycode;
u8_t mods;
bool pending;
zmk_mod_flags active_mods;
};
struct captured_keycode_state_change_item {
struct keycode_state_changed* event;
zmk_mod_flags active_mods;
};
struct behavior_mod_tap_config { };
struct behavior_mod_tap_data {
struct pending_mod_tap_item pending_mod_taps[ZMK_BHV_MOD_TAP_MAX_HELD];
struct pending_mod_tap_item triggered_mod_taps[ZMK_BHV_MOD_TAP_MAX_HELD];
struct keycode_state_changed* pending_key_presses[ZMK_BHV_MOD_TAP_MAX_PENDING_KC];
struct active_mod_tap_item active_mod_taps[ZMK_BHV_MOD_TAP_MAX_HELD];
struct captured_keycode_state_change_item captured_keycode_events[ZMK_BHV_MOD_TAP_MAX_PENDING_KC];
};
bool have_pending_mods(char *label) {
@ -50,8 +56,8 @@ bool have_pending_mods(char *label) { @@ -50,8 +56,8 @@ bool have_pending_mods(char *label) {
struct behavior_mod_tap_data *data = dev->driver_data;
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
if (data->pending_mod_taps[i].mods) {
LOG_DBG("Found pending mods for %d and keycode 0x%02X", data->pending_mod_taps[i].mods, data->pending_mod_taps[i].keycode);
if (data->active_mod_taps[i].mods) {
LOG_DBG("Found pending mods for %d and keycode 0x%02X", data->active_mod_taps[i].mods, data->active_mod_taps[i].keycode);
return true;
}
}
@ -59,19 +65,54 @@ bool have_pending_mods(char *label) { @@ -59,19 +65,54 @@ bool have_pending_mods(char *label) {
return false;
}
bool have_pending_keycode(struct behavior_mod_tap_data *data, u32_t keycode)
struct captured_keycode_state_change_item* find_pending_keycode(struct behavior_mod_tap_data *data, u32_t keycode)
{
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_PENDING_KC; i++) {
if (data->pending_key_presses[i] == NULL) {
if (data->captured_keycode_events[i].event == NULL) {
continue;
}
if (data->pending_key_presses[i]->keycode == keycode) {
return true;
if (data->captured_keycode_events[i].event->keycode == keycode) {
return &data->captured_keycode_events[i];
}
}
return false;
return NULL;
}
zmk_mod_flags behavior_mod_tap_active_mods(struct behavior_mod_tap_data *data)
{
zmk_mod_flags mods = 0;
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
mods |= data->active_mod_taps[i].mods;
}
return mods;
}
int behavior_mod_tap_capture_keycode_event(struct behavior_mod_tap_data *data, struct keycode_state_changed *ev)
{
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_PENDING_KC; i++) {
if (data->captured_keycode_events[i].event != NULL) {
continue;
}
data->captured_keycode_events[i].event = ev;
data->captured_keycode_events[i].active_mods = behavior_mod_tap_active_mods(data);
return 0;
}
return -ENOMEM;
}
void behavior_mod_tap_update_active_mods_state(struct behavior_mod_tap_data *data, zmk_mod_flags used_flags)
{
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
if ((data->active_mod_taps[i].mods & used_flags) == data->active_mod_taps[i].mods) {
data->active_mod_taps[i].pending = false;
}
}
}
// How to pass context to subscription?!
@ -81,39 +122,25 @@ int behavior_mod_tap_listener(const struct zmk_event_header *eh) @@ -81,39 +122,25 @@ int behavior_mod_tap_listener(const struct zmk_event_header *eh)
struct device *dev = device_get_binding(DT_INST_LABEL(0));
struct keycode_state_changed *ev = cast_keycode_state_changed(eh);
struct behavior_mod_tap_data *data = dev->driver_data;
struct captured_keycode_state_change_item* pending_keycode;
if (ev->state) {
LOG_DBG("Have pending mods, capturing keycode 0x%02X event to ressend later", ev->keycode);
TOGGLE_FIRST(data->pending_key_presses, ZMK_BHV_MOD_TAP_MAX_PENDING_KC, NULL, ev);
behavior_mod_tap_capture_keycode_event(data, ev);
return ZMK_EV_EVENT_CAPTURED;
} else if (have_pending_keycode(data, ev->keycode)) {
zmk_mod_flags mods = 0;
} else if ((pending_keycode = find_pending_keycode(data, ev->keycode)) != NULL) {
LOG_DBG("Key released, going to activate mods then send pending key presses");
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
memcpy(&data->triggered_mod_taps[i], &data->pending_mod_taps[i], sizeof(struct pending_mod_tap_item));
data->pending_mod_taps[i].mods = 0;
data->pending_mod_taps[i].keycode = 0;
}
LOG_DBG("After swapping, do I have pending mods? %s", (have_pending_mods(DT_INST_LABEL(0)) ? "true" : "false"));
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
mods |= data->triggered_mod_taps[i].mods;
}
LOG_DBG("Setting mods: %d", mods);
LOG_DBG("Setting mods: %d", pending_keycode->active_mods);
zmk_hid_register_mods(mods);
zmk_hid_register_mods(pending_keycode->active_mods);
behavior_mod_tap_update_active_mods_state(data, pending_keycode->active_mods);
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_PENDING_KC; i++) {
if (data->pending_key_presses[i] == NULL) {
continue;
}
ZMK_EVENT_RELEASE(pending_keycode->event);
k_msleep(10);
struct keycode_state_changed *ev = data->pending_key_presses[i];
data->pending_key_presses[i] = NULL;
ZMK_EVENT_RAISE(ev);
k_msleep(10);
}
pending_keycode->event = NULL;
pending_keycode->active_mods = 0;
}
}
return 0;
@ -133,82 +160,90 @@ static int on_keymap_binding_pressed(struct device *dev, u32_t position, u32_t m @@ -133,82 +160,90 @@ static int on_keymap_binding_pressed(struct device *dev, u32_t position, u32_t m
struct behavior_mod_tap_data *data = dev->driver_data;
LOG_DBG("mods: %d, keycode: 0x%02X", mods, keycode);
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
if (data->pending_mod_taps[i].mods != 0) {
if (data->active_mod_taps[i].mods != 0) {
continue;
}
data->pending_mod_taps[i].mods = mods;
data->pending_mod_taps[i].keycode = keycode;
zmk_mod_flags active_mods = behavior_mod_tap_active_mods(data);
data->active_mod_taps[i].active_mods = active_mods;
data->active_mod_taps[i].mods = mods;
data->active_mod_taps[i].keycode = keycode;
data->active_mod_taps[i].pending = true;
return 0;
}
LOG_WRN("Failed to record mod-tap activation, at maximum concurrent mod-tap activations");
return -ENOMEM;
}
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;
bool sending_keycode = false;
bool sent_pending_key_presses = false;
struct keycode_state_changed *pending_key_presses[ZMK_BHV_MOD_TAP_MAX_PENDING_KC];
LOG_DBG("mods: %d, keycode: %d", mods, keycode);
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
if (data->triggered_mod_taps[i].mods == mods && data->triggered_mod_taps[i].keycode == keycode) {
LOG_DBG("Releasing triggered mods: %d", mods);
zmk_hid_unregister_mods(mods);
data->triggered_mod_taps[i].mods = 0;
data->triggered_mod_taps[i].keycode = 0;
break;
}
}
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_HELD; i++) {
if (data->pending_mod_taps[i].mods == mods && data->pending_mod_taps[i].keycode == keycode) {
sending_keycode = true;
data->pending_mod_taps[i].mods = 0;
data->pending_mod_taps[i].keycode = 0;
break;
}
}
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_PENDING_KC; i++) {
pending_key_presses[i] = data->pending_key_presses[i];
data->pending_key_presses[i] = NULL;
}
struct active_mod_tap_item *item = &data->active_mod_taps[i];
if (item->mods == mods && item->keycode == keycode) {
if (item->pending) {
LOG_DBG("Sending un-triggered mod-tap for keycode: 0x%02X", keycode);
if (item->active_mods) {
LOG_DBG("Registering recorded active mods captured when mod-tap initially activated: 0x%02X", item->active_mods);
behavior_mod_tap_update_active_mods_state(data, item->active_mods);
zmk_hid_register_mods(item->active_mods);
}
struct keycode_state_changed *key_press = create_keycode_state_changed(USAGE_KEYPAD, item->keycode, true);
ZMK_EVENT_RAISE_AFTER(key_press, behavior_mod_tap);
k_msleep(10);
if (sending_keycode) {
struct keycode_state_changed *key_press = create_keycode_state_changed(USAGE_KEYPAD, keycode, true);
LOG_DBG("Sending un-triggered mod-tap for keycode: 0x%02X", keycode);
ZMK_EVENT_RAISE(key_press);
k_msleep(10);
}
for (int j = 0; j < ZMK_BHV_MOD_TAP_MAX_PENDING_KC; j++) {
if (data->captured_keycode_events[j].event == NULL) {
continue;
}
struct keycode_state_changed *ev = data->captured_keycode_events[j].event;
data->captured_keycode_events[i].event = NULL;
data->captured_keycode_events[i].active_mods = 0;
LOG_DBG("Re-sending latched key press for usage page 0x%02X keycode 0x%02X state %s", ev->usage_page, ev->keycode, (ev->state ? "pressed" : "released"));
ZMK_EVENT_RELEASE(ev);
k_msleep(10);
}
for (int i = 0; i < ZMK_BHV_MOD_TAP_MAX_PENDING_KC; i++) {
if (pending_key_presses[i] == NULL) {
continue;
}
struct keycode_state_changed *key_release = create_keycode_state_changed(USAGE_KEYPAD, keycode, false);
LOG_DBG("Sending un-triggered mod-tap release for keycode: 0x%02X", keycode);
ZMK_EVENT_RAISE_AFTER(key_release, behavior_mod_tap);
k_msleep(10);
struct keycode_state_changed *ev = pending_key_presses[i];
sent_pending_key_presses = true;
LOG_DBG("Re-sending latched key press for usage page 0x%02X keycode 0x%02X state %s", ev->usage_page, ev->keycode, (ev->state ? "pressed" : "released"));
ZMK_EVENT_RELEASE(ev);
k_msleep(10);
}
if (item->active_mods) {
LOG_DBG("Unregistering recorded active mods captured when mod-tap initially activated: 0x%02X", item->active_mods);
zmk_hid_unregister_mods(item->active_mods);
zmk_endpoints_send_report(USAGE_KEYPAD);
}
if (sending_keycode) {
struct keycode_state_changed *key_release = create_keycode_state_changed(USAGE_KEYPAD, keycode, false);
LOG_DBG("Sending un-triggered mod-tap release for keycode: 0x%02X", keycode);
ZMK_EVENT_RAISE(key_release);
}
} else {
LOG_DBG("Releasing triggered mods: %d", mods);
zmk_hid_unregister_mods(mods);
zmk_endpoints_send_report(USAGE_KEYPAD);
}
if (!sending_keycode && !sent_pending_key_presses) {
// Need to ensure the mod release is propagated.
zmk_endpoints_send_report(USAGE_KEYPAD);
item->mods = 0;
item->keycode = 0;
item->active_mods = 0;
LOG_DBG("Removing mods %d from active_mods for other held mod-taps", mods);
for (int j = 0; j < ZMK_BHV_MOD_TAP_MAX_HELD; j++) {
if (data->active_mod_taps[j].active_mods & mods) {
LOG_DBG("Removing 0x%02X from active mod tap mods 0x%02X keycode 0x%02X", mods, data->active_mod_taps[j].mods, data->active_mod_taps[j].keycode);
data->active_mod_taps[j].active_mods &= ~mods;
}
}
break;
}
}
return 0;

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