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Beginning support for multiple TDs

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This commit is contained in:
kurtis-lew 2021-05-24 16:00:59 -07:00
parent 4461167d82
commit 2d0613c372
1 changed files with 107 additions and 51 deletions
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158
app/src/behaviors/behavior_tap_dance.c
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@ -20,9 +20,11 @@ LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
#if DT_HAS_COMPAT_STATUS_OKAY(DT_DRV_COMPAT)
#define ZMK_BHV_TAP_DANCE_MAX_HELD 10
#define ZMK_BHV_TAP_DANCE_POSITION_FREE ULONG_MAX
struct behavior_tap_dance_config {
struct behavior_tap_dance_config {
uint32_t tapping_term_ms;
int behavior_count;
struct zmk_behavior_binding *behaviors;
@ -31,6 +33,7 @@ struct behavior_tap_dance_config {
struct active_tap_dance {
// tap dance data
int counter;
bool dance_begun;
uint32_t position;
const struct behavior_tap_dance_config *config;
// timer data
@ -41,11 +44,69 @@ struct active_tap_dance {
struct zmk_behavior_binding_event event;
};
struct active_tap_dance the_tap_dance;
struct active_tap_dance active_tap_dances[ZMK_BHV_TAP_DANCE_MAX_HELD] = {};
static struct active_tap_dance *store_tap_dance(uint32_t position,
const struct behavior_tap_dance_config *config) {
LOG_DBG("Position Detected at %d", position);
for (int i = 0; i < ZMK_BHV_TAP_DANCE_MAX_HELD; i++) {
struct active_tap_dance *const tap_dance = &active_tap_dances[i];
if (tap_dance->position != ZMK_BHV_TAP_DANCE_POSITION_FREE || tap_dance->timer_cancelled) {
tap_dance->counter++;
LOG_DBG("Counter balue currently at: %d", tap_dance->counter);
continue;
}
tap_dance->counter = 1;
tap_dance->position = position;
tap_dance->config = config;
tap_dance->release_at = 0;
tap_dance->timer_started = false;
tap_dance->timer_cancelled = false;
return tap_dance;
}
return NULL;
}
static struct active_tap_dance *find_tap_dance(uint32_t position) {
for (int i = 0; i < ZMK_BHV_TAP_DANCE_MAX_HELD; i++) {
if (active_tap_dances[i].position == position && !active_tap_dances[i].timer_cancelled) {
return &active_tap_dances[i];
}
}
return NULL;
}
static void clear_tap_dance(struct active_tap_dance *tap_dance) {
LOG_DBG("Clearing Tap Dance");
tap_dance-> position = ZMK_BHV_TAP_DANCE_POSITION_FREE;
tap_dance->position = ZMK_BHV_TAP_DANCE_POSITION_FREE;
}
static int stop_timer(struct active_tap_dance *tap_dance) {
int timer_cancel_result = k_delayed_work_cancel(&tap_dance->release_timer);
if (timer_cancel_result == -EINPROGRESS) {
// too late to cancel, we'll let the timer handler clear up.
tap_dance->timer_cancelled = true;
}
return timer_cancel_result;
}
static inline int release_tap_dance_behavior(struct active_tap_dance *tap_dance,
int64_t timestamp) {
LOG_DBG("Release Tap Dance Behavior");
LOG_DBG("Counter finally value: %d", tap_dance->counter);
struct zmk_behavior_binding binding = tap_dance->config->behaviors[(tap_dance->counter) - 1];
struct zmk_behavior_binding_event event = {
.position = tap_dance->position,
.timestamp = timestamp,
};
if (tap_dance->counter <= tap_dance->config->behavior_count) {
behavior_keymap_binding_pressed(&binding, event);
behavior_keymap_binding_released(&binding, event);
} else {
LOG_DBG("Counter exceeded number of keybinds");
}
clear_tap_dance(tap_dance);
return 0;
}
static int on_tap_dance_binding_pressed(struct zmk_behavior_binding *binding,
@ -53,31 +114,35 @@ static int on_tap_dance_binding_pressed(struct zmk_behavior_binding *binding,
LOG_DBG("On Binding Pressed");
const struct device *dev = device_get_binding(binding->behavior_dev);
const struct behavior_tap_dance_config *cfg = dev->config;
if (!the_tap_dance.timer_started){
LOG_DBG("Initializing Tap Dance");
the_tap_dance.timer_started = true;
the_tap_dance.counter = 0;
the_tap_dance.position = event.position;
the_tap_dance.config = cfg;
the_tap_dance.release_at = 0;
the_tap_dance.timer_cancelled = false;
the_tap_dance.timer_started = false;
struct active_tap_dance *tap_dance;
tap_dance = find_tap_dance(event.position);
if (tap_dance != NULL) {
stop_timer(tap_dance);
// release_tap_dance_behavior(tap_dance, event.timestamp);
}
else {
LOG_DBG("Incrementing Tap Dance");
tap_dance = store_tap_dance(event.position, cfg);
if (tap_dance == NULL) {
LOG_ERR("unable to store tap dance, did you press more than %d tap_dance?",
ZMK_BHV_TAP_DANCE_MAX_HELD);
return ZMK_BEHAVIOR_OPAQUE;
}
the_tap_dance.counter ++;
the_tap_dance.event = event;
LOG_DBG("Counter is now at value: %d", the_tap_dance.counter);
return ZMK_BEHAVIOR_OPAQUE;
return ZMK_BEHAVIOR_OPAQUE;
}
static int on_tap_dance_binding_released(struct zmk_behavior_binding *binding,
struct zmk_behavior_binding_event event) {
struct zmk_behavior_binding_event event) {
LOG_DBG("On Binding Released");
struct active_tap_dance *tap_dance = &the_tap_dance;
struct active_tap_dance *tap_dance = find_tap_dance(event.position);
if (tap_dance == NULL) {
LOG_ERR("ACTIVE TAP DANCE CLEARED TOO EARLY");
return ZMK_BEHAVIOR_OPAQUE;
}
/*if (tap_dance->position != 0 && tap_dance->modified_key_keycode != 0) {
LOG_DBG("Another key was pressed while the sticky key was pressed. Act like a normal key.");
return release_sticky_key_behavior(tap_dance, event.timestamp);
}*/
// No other key was pressed. Start the timer.
tap_dance->timer_started = true;
tap_dance->release_at = event.timestamp + tap_dance->config->tapping_term_ms;
@ -92,25 +157,15 @@ static int on_tap_dance_binding_released(struct zmk_behavior_binding *binding,
void behavior_tap_dance_timer_handler(struct k_work *item) {
LOG_DBG("Timer Handler Called");
struct active_tap_dance *tap_dance =
CONTAINER_OF(item, struct active_tap_dance, release_timer);
struct active_tap_dance *tap_dance = CONTAINER_OF(item, struct active_tap_dance, release_timer);
if (tap_dance->position == ZMK_BHV_TAP_DANCE_POSITION_FREE) {
return;
}
if (tap_dance->timer_cancelled) {
tap_dance->timer_cancelled = false;
} else {
if (the_tap_dance.counter <= the_tap_dance.config->behavior_count) {
behavior_keymap_binding_pressed(&the_tap_dance.config->behaviors[the_tap_dance.counter-1], the_tap_dance.event);
behavior_keymap_binding_released(&the_tap_dance.config->behaviors[the_tap_dance.counter-1], the_tap_dance.event);
}
else{
LOG_DBG("Counter exceeded number of keybinds");
}
clear_tap_dance(tap_dance);
release_tap_dance_behavior(tap_dance, tap_dance->release_at);
}
the_tap_dance.counter = 0;
the_tap_dance.timer_started = false;
}
static const struct behavior_driver_api behavior_tap_dance_driver_api = {
@ -130,12 +185,14 @@ static const struct behavior_driver_api behavior_tap_dance_driver_api = {
#define TRANSFORMED_BINDINGS(node) \
{ UTIL_LISTIFY(DT_INST_PROP_LEN(node, bindings), _TRANSFORM_ENTRY, node) }
static int behavior_tap_dance_init(const struct device *dev) {
static int behavior_tap_dance_init(const struct device *dev) {
static bool init_first_run = true;
if (init_first_run) {
k_delayed_work_init(&the_tap_dance.release_timer,
behavior_tap_dance_timer_handler);
the_tap_dance.position = ZMK_BHV_TAP_DANCE_POSITION_FREE;
for (int i = 0; i < ZMK_BHV_TAP_DANCE_MAX_HELD; i++) {
k_delayed_work_init(&active_tap_dances[i].release_timer,
behavior_tap_dance_timer_handler);
active_tap_dances[i].position = ZMK_BHV_TAP_DANCE_POSITION_FREE;
}
}
init_first_run = false;
return 0;
@ -144,19 +201,18 @@ static int behavior_tap_dance_init(const struct device *dev) {
struct behavior_tap_dance_data {};
static struct behavior_tap_dance_data behavior_tap_dance_data;
#define KP_INST(n) \
static struct zmk_behavior_binding \
behavior_tap_dance_config_##n##_bindings[DT_INST_PROP_LEN(n, bindings)] = \
TRANSFORMED_BINDINGS(n); \
static struct behavior_tap_dance_config behavior_tap_dance_config_##n = { \
.tapping_term_ms = DT_INST_PROP(n, tapping_term_ms), \
.behaviors = behavior_tap_dance_config_##n##_bindings, \
.behavior_count = DT_INST_PROP_LEN(n, bindings) \
}; \
DEVICE_AND_API_INIT(behavior_tap_dance_##n, DT_INST_LABEL(n), behavior_tap_dance_init, &behavior_tap_dance_data, \
&behavior_tap_dance_config_##n, APPLICATION, CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, \
&behavior_tap_dance_driver_api);
#define KP_INST(n) \
static struct zmk_behavior_binding \
behavior_tap_dance_config_##n##_bindings[DT_INST_PROP_LEN(n, bindings)] = \
TRANSFORMED_BINDINGS(n); \
static struct behavior_tap_dance_config behavior_tap_dance_config_##n = { \
.tapping_term_ms = DT_INST_PROP(n, tapping_term_ms), \
.behaviors = behavior_tap_dance_config_##n##_bindings, \
.behavior_count = DT_INST_PROP_LEN(n, bindings)}; \
DEVICE_AND_API_INIT(behavior_tap_dance_##n, DT_INST_LABEL(n), behavior_tap_dance_init, \
&behavior_tap_dance_data, &behavior_tap_dance_config_##n, APPLICATION, \
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT, &behavior_tap_dance_driver_api);
DT_INST_FOREACH_STATUS_OKAY(KP_INST)
#endif