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Suspend support for the visualizer

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pull/488/head
Fred Sundvik 8 years ago
parent 315edb4826
commit b93d07198a
3 changed files with 103 additions and 30 deletions
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2
example_integration/visualizer_user.c
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@ -65,7 +65,7 @@ static keyframe_animation_t startup_animation = {
.num_frames = 4,
.loop = false,
.frame_lengths = {0, MS2ST(1000), MS2ST(5000), 0},
.frame_functions = {display_welcome, keyframe_animate_backlight_color, keyframe_no_operation, user_visualizer_inited},
.frame_functions = {display_welcome, keyframe_animate_backlight_color, keyframe_no_operation, enable_visualization},
};
// The color animation animates the LCD color when you change layers

114
visualizer.c
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@ -52,10 +52,14 @@ static visualizer_keyboard_status_t current_status = {
.layer = 0xFFFFFFFF,
.default_layer = 0xFFFFFFFF,
.leds = 0xFFFFFFFF,
.suspended = false,
};
static bool same_status(visualizer_keyboard_status_t* status1, visualizer_keyboard_status_t* status2) {
return memcmp(status1, status2, sizeof(visualizer_keyboard_status_t)) == 0;
return status1->layer == status2->layer &&
status1->default_layer == status2->default_layer &&
status1->leds == status2->leds &&
status1->suspended == status2->suspended;
}
static event_source_t layer_changed_event;
@ -104,6 +108,17 @@ void stop_keyframe_animation(keyframe_animation_t* animation) {
}
}
void stop_all_keyframe_animations(void) {
for (int i=0;i<MAX_SIMULTANEOUS_ANIMATIONS;i++) {
if (animations[i]) {
animations[i]->current_frame = animations[i]->num_frames;
animations[i]->time_left_in_frame = 0;
animations[i]->need_update = true;
animations[i] = NULL;
}
}
}
static bool update_keyframe_animation(keyframe_animation_t* animation, visualizer_state_t* state, systime_t delta, systime_t* sleep_time) {
dprintf("Animation frame%d, left %d, delta %d\n", animation->current_frame,
animation->time_left_in_frame, delta);
@ -252,7 +267,19 @@ bool keyframe_display_layer_bitmap(keyframe_animation_t* animation, visualizer_s
}
#endif // LCD_ENABLE
bool user_visualizer_inited(keyframe_animation_t* animation, visualizer_state_t* state) {
bool keyframe_disable_lcd_and_backlight(keyframe_animation_t* animation, visualizer_state_t* state) {
(void)animation;
(void)state;
return false;
}
bool keyframe_enable_lcd_and_backlight(keyframe_animation_t* animation, visualizer_state_t* state) {
(void)animation;
(void)state;
return false;
}
bool enable_visualization(keyframe_animation_t* animation, visualizer_state_t* state) {
(void)animation;
(void)state;
dprint("User visualizer inited\n");
@ -268,13 +295,15 @@ static THD_FUNCTION(visualizerThread, arg) {
event_listener_t event_listener;
chEvtRegister(&layer_changed_event, &event_listener, 0);
visualizer_state_t state = {
.status = {
.default_layer = 0xFFFFFFFF,
.layer = 0xFFFFFFFF,
.leds = 0xFFFFFFFF,
},
visualizer_keyboard_status_t initial_status = {
.default_layer = 0xFFFFFFFF,
.layer = 0xFFFFFFFF,
.leds = 0xFFFFFFFF,
.suspended = false,
};
visualizer_state_t state = {
.status = initial_status,
.current_lcd_color = 0,
#ifdef LCD_ENABLE
.font_fixed5x8 = gdispOpenFont("fixed_5x8"),
@ -301,17 +330,36 @@ static THD_FUNCTION(visualizerThread, arg) {
bool enabled = visualizer_enabled;
if (!same_status(&state.status, &current_status)) {
if (visualizer_enabled) {
state.status = current_status;
update_user_visualizer_state(&state);
state.prev_lcd_color = state.current_lcd_color;
if (current_status.suspended) {
stop_all_keyframe_animations();
visualizer_enabled = false;
state.status = current_status;
user_visualizer_suspend(&state);
}
else {
state.status = current_status;
update_user_visualizer_state(&state);
state.prev_lcd_color = state.current_lcd_color;
}
}
}
if (!enabled && state.status.suspended && current_status.suspended == false) {
// Setting the status to the initial status will force an update
// when the visualizer is enabled again
state.status = initial_status;
state.status.suspended = false;
stop_all_keyframe_animations();
user_visualizer_resume(&state);
}
sleep_time = TIME_INFINITE;
for (int i=0;i<MAX_SIMULTANEOUS_ANIMATIONS;i++) {
if (animations[i]) {
update_keyframe_animation(animations[i], &state, delta, &sleep_time);
}
}
// The animation can enable the visualizer
// And we might need to update the state when that happens
// so don't sleep
if (enabled != visualizer_enabled) {
sleep_time = 0;
}
@ -354,7 +402,24 @@ void visualizer_init(void) {
LOWPRIO, visualizerThread, NULL);
}
void visualizer_set_state(uint32_t default_state, uint32_t state, uint32_t leds) {
void update_status(bool changed) {
if (changed) {
chEvtBroadcast(&layer_changed_event);
}
#ifdef USE_SERIAL_LINK
static systime_t last_update = 0;
systime_t current_update = chVTGetSystemTimeX();
systime_t delta = current_update - last_update;
if (changed || delta > MS2ST(10)) {
last_update = current_update;
visualizer_keyboard_status_t* r = begin_write_current_status();
*r = current_status;
end_write_current_status();
}
#endif
}
void visualizer_update(uint32_t default_state, uint32_t state, uint32_t leds) {
// Note that there's a small race condition here, the thread could read
// a state where one of these are set but not the other. But this should
// not really matter as it will be fixed during the next loop step.
@ -379,25 +444,22 @@ void visualizer_set_state(uint32_t default_state, uint32_t state, uint32_t leds)
.layer = state,
.default_layer = default_state,
.leds = leds,
.suspended = current_status.suspended,
};
if (!same_status(&current_status, &new_status)) {
changed = true;
current_status = new_status;
}
}
if (changed) {
chEvtBroadcast(&layer_changed_event);
update_status(changed);
}
}
#ifdef USE_SERIAL_LINK
static systime_t last_update = 0;
systime_t current_update = chVTGetSystemTimeX();
systime_t delta = current_update - last_update;
if (changed || delta > MS2ST(10)) {
last_update = current_update;
visualizer_keyboard_status_t* r = begin_write_current_status();
*r = current_status;
end_write_current_status();
}
#endif
void visualizer_suspend(void) {
current_status.suspended = true;
update_status(true);
}
void visualizer_resume(void) {
current_status.suspended = false;
update_status(true);
}

17
visualizer.h
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@ -38,8 +38,12 @@ SOFTWARE.
// This need to be called once at the start
void visualizer_init(void);
// This should be called before every matrix scan
void visualizer_set_state(uint32_t default_state, uint32_t state, uint32_t leds);
// This should be called at every matrix scan
void visualizer_update(uint32_t default_state, uint32_t state, uint32_t leds);
// This should be called when the keyboard goes to suspend state
void visualizer_suspend(void);
// This should be called when the keyboard wakes up from suspend state
void visualizer_resume(void);
// If you need support for more than 8 keyframes per animation, you can change this
#define MAX_VISUALIZER_KEY_FRAMES 8
@ -50,6 +54,7 @@ typedef struct {
uint32_t layer;
uint32_t default_layer;
uint32_t leds; // See led.h for available statuses
bool suspended;
} visualizer_keyboard_status_t;
// The state struct is used by the various keyframe functions
@ -108,13 +113,19 @@ bool keyframe_set_backlight_color(keyframe_animation_t* animation, visualizer_st
bool keyframe_display_layer_text(keyframe_animation_t* animation, visualizer_state_t* state);
// Displays a bitmap (0/1) of all the currently active layers
bool keyframe_display_layer_bitmap(keyframe_animation_t* animation, visualizer_state_t* state);
bool keyframe_disable_lcd_and_backlight(keyframe_animation_t* animation, visualizer_state_t* state);
bool keyframe_enable_lcd_and_backlight(keyframe_animation_t* animation, visualizer_state_t* state);
// Call this once, when the initial animation has finished, alternatively you can call it
// directly from the initalize_user_visualizer function (the animation can be null)
bool user_visualizer_inited(keyframe_animation_t* animation, visualizer_state_t* state);
bool enable_visualization(keyframe_animation_t* animation, visualizer_state_t* state);
// These two functions have to be implemented by the user
void initialize_user_visualizer(visualizer_state_t* state);
void update_user_visualizer_state(visualizer_state_t* state);
void user_visualizer_suspend(visualizer_state_t* state);
void user_visualizer_resume(visualizer_state_t* state);
#endif /* VISUALIZER_H */

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