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LED Matrix: Reactive effect buffers & advanced indicators
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@fauxpark
fauxpark committed Apr 15, 2021
1 parent 53eb35b commit b00ae9c
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Showing 2 changed files with 107 additions and 20 deletions.
117 changes: 97 additions & 20 deletions quantum/led_matrix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,12 @@
bool g_suspend_state = false;
led_eeconfig_t led_matrix_eeconfig; // TODO: would like to prefix this with g_ for global consistancy, do this in another pr
uint32_t g_led_timer;
#ifdef LED_MATRIX_FRAMEBUFFER_EFFECTS
uint8_t g_led_frame_buffer[MATRIX_ROWS][MATRIX_COLS] = {{0}};
#endif // LED_MATRIX_FRAMEBUFFER_EFFECTS
#ifdef LED_MATRIX_KEYREACTIVE_ENABLED
last_hit_t g_last_hit_tracker;
#endif // LED_MATRIX_KEYREACTIVE_ENABLED

// internals
static uint8_t led_last_enable = UINT8_MAX;
Expand All @@ -88,6 +94,9 @@ static uint32_t led_anykey_timer;

// double buffers
static uint32_t led_timer_buffer;
#ifdef LED_MATRIX_KEYREACTIVE_ENABLED
static last_hit_t last_hit_buffer;
#endif // LED_MATRIX_KEYREACTIVE_ENABLED

void eeconfig_read_led_matrix(void) { eeprom_read_block(&led_matrix_eeconfig, EECONFIG_LED_MATRIX, sizeof(led_matrix_eeconfig)); }

Expand All @@ -112,9 +121,6 @@ void eeconfig_debug_led_matrix(void) {
dprintf("led_matrix_eeconfig.flags = %d\n", led_matrix_eeconfig.flags);
}

uint8_t g_last_led_hit[LED_HITS_TO_REMEMBER] = {255};
uint8_t g_last_led_count = 0;

__attribute__((weak)) uint8_t led_matrix_map_row_column_to_led_kb(uint8_t row, uint8_t column, uint8_t *led_i) { return 0; }

uint8_t led_matrix_map_row_column_to_led(uint8_t row, uint8_t column, uint8_t *led_i) {
Expand Down Expand Up @@ -150,22 +156,42 @@ void process_led_matrix(uint8_t row, uint8_t col, bool pressed) {
led_anykey_timer = 0;
#endif // LED_DISABLE_TIMEOUT > 0

if (pressed) {
uint8_t led[8];
uint8_t led_count = led_matrix_map_row_column_to_led(row, col, led);
if (led_count > 0) {
for (uint8_t i = LED_HITS_TO_REMEMBER; i > 1; i--) {
g_last_led_hit[i - 1] = g_last_led_hit[i - 2];
}
g_last_led_hit[0] = led[0];
g_last_led_count = MIN(LED_HITS_TO_REMEMBER, g_last_led_count + 1);
}
} else {
#ifdef LED_MATRIX_KEYRELEASES
uint8_t led[8];
uint8_t led_count = led_matrix_map_row_column_to_led(row, .col, led);
#endif
#ifdef LED_MATRIX_KEYREACTIVE_ENABLED
uint8_t led[LED_HITS_TO_REMEMBER];
uint8_t led_count = 0;

# if defined(LED_MATRIX_KEYRELEASES)
if (!pressed)
# elif defined(LED_MATRIX_KEYPRESSES)
if (pressed)
# endif // defined(LED_MATRIX_KEYRELEASES)
{
led_count = led_matrix_map_row_column_to_led(row, col, led);
}

if (last_hit_buffer.count + led_count > LED_HITS_TO_REMEMBER) {
memcpy(&last_hit_buffer.x[0], &last_hit_buffer.x[led_count], LED_HITS_TO_REMEMBER - led_count);
memcpy(&last_hit_buffer.y[0], &last_hit_buffer.y[led_count], LED_HITS_TO_REMEMBER - led_count);
memcpy(&last_hit_buffer.tick[0], &last_hit_buffer.tick[led_count], (LED_HITS_TO_REMEMBER - led_count) * 2); // 16 bit
memcpy(&last_hit_buffer.index[0], &last_hit_buffer.index[led_count], LED_HITS_TO_REMEMBER - led_count);
last_hit_buffer.count--;
}

for (uint8_t i = 0; i < led_count; i++) {
uint8_t index = last_hit_buffer.count;
last_hit_buffer.x[index] = g_led_config.point[led[i]].x;
last_hit_buffer.y[index] = g_led_config.point[led[i]].y;
last_hit_buffer.index[index] = led[i];
last_hit_buffer.tick[index] = 0;
last_hit_buffer.count++;
}
#endif // LED_MATRIX_KEYREACTIVE_ENABLED

#if defined(LED_MATRIX_FRAMEBUFFER_EFFECTS) && !defined(DISABLE_LED_MATRIX_TYPING_HEATMAP)
if (led_matrix_eeconfig.mode == LED_MATRIX_TYPING_HEATMAP) {
process_led_matrix_typing_heatmap(row, col);
}
#endif // defined(LED_MATRIX_FRAMEBUFFER_EFFECTS) && !defined(DISABLE_LED_MATRIX_TYPING_HEATMAP)
}

static bool led_matrix_none(effect_params_t *params) {
Expand All @@ -189,9 +215,9 @@ static bool led_matrix_uniform_brightness(effect_params_t *params) {
}

static void led_task_timers(void) {
#if LED_DISABLE_TIMEOUT > 0
#if defined(LED_MATRIX_KEYREACTIVE_ENABLED) || LED_DISABLE_TIMEOUT > 0
uint32_t deltaTime = sync_timer_elapsed32(led_timer_buffer);
#endif // LED_DISABLE_TIMEOUT > 0
#endif // defined(LED_MATRIX_KEYREACTIVE_ENABLED) || LED_DISABLE_TIMEOUT > 0
led_timer_buffer = sync_timer_read32();

// Update double buffer timers
Expand All @@ -204,6 +230,18 @@ static void led_task_timers(void) {
}
}
#endif // LED_DISABLE_TIMEOUT > 0

// Update double buffer last hit timers
#ifdef LED_MATRIX_KEYREACTIVE_ENABLED
uint8_t count = last_hit_buffer.count;
for (uint8_t i = 0; i < count; ++i) {
if (UINT16_MAX - deltaTime < last_hit_buffer.tick[i]) {
last_hit_buffer.count--;
continue;
}
last_hit_buffer.tick[i] += deltaTime;
}
#endif // LED_MATRIX_KEYREACTIVE_ENABLED
}

static void led_task_sync(void) {
Expand All @@ -217,6 +255,9 @@ static void led_task_start(void) {

// update double buffers
g_led_timer = led_timer_buffer;
#ifdef LED_MATRIX_KEYREACTIVE_ENABLED
g_last_hit_tracker = last_hit_buffer;
#endif // LED_MATRIX_KEYREACTIVE_ENABLED

// next task
led_task_state = RENDERING;
Expand All @@ -235,6 +276,7 @@ static void led_task_render(uint8_t effect) {
switch (effect) {
case LED_MATRIX_NONE:
rendering = led_matrix_none(&led_effect_params);
break;
case LED_MATRIX_UNIFORM_BRIGHTNESS:
rendering = led_matrix_uniform_brightness(&led_effect_params);
break;
Expand Down Expand Up @@ -288,6 +330,7 @@ void led_matrix_task(void) {
led_task_render(effect);
if (effect) {
led_matrix_indicators();
led_matrix_indicators_advanced(&led_effect_params);
}
break;
case FLUSHING:
Expand All @@ -308,9 +351,43 @@ __attribute__((weak)) void led_matrix_indicators_kb(void) {}

__attribute__((weak)) void led_matrix_indicators_user(void) {}

void led_matrix_indicators_advanced(effect_params_t *params) {
/* special handling is needed for "params->iter", since it's already been incremented.
* Could move the invocations to led_task_render, but then it's missing a few checks
* and not sure which would be better. Otherwise, this should be called from
* led_task_render, right before the iter++ line.
*/
#if defined(LED_MATRIX_LED_PROCESS_LIMIT) && LED_MATRIX_LED_PROCESS_LIMIT > 0 && LED_MATRIX_LED_PROCESS_LIMIT < DRIVER_LED_TOTAL
uint8_t min = LED_MATRIX_LED_PROCESS_LIMIT * (params->iter - 1);
uint8_t max = min + LED_MATRIX_LED_PROCESS_LIMIT;
if (max > DRIVER_LED_TOTAL) max = DRIVER_LED_TOTAL;
#else
uint8_t min = 0;
uint8_t max = DRIVER_LED_TOTAL;
#endif
led_matrix_indicators_advanced_kb(min, max);
led_matrix_indicators_advanced_user(min, max);
}

__attribute__((weak)) void led_matrix_indicators_advanced_kb(uint8_t led_min, uint8_t led_max) {}

__attribute__((weak)) void led_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {}

void led_matrix_init(void) {
led_matrix_driver.init();

#ifdef LED_MATRIX_KEYREACTIVE_ENABLED
g_last_hit_tracker.count = 0;
for (uint8_t i = 0; i < LED_HITS_TO_REMEMBER; ++i) {
g_last_hit_tracker.tick[i] = UINT16_MAX;
}

last_hit_buffer.count = 0;
for (uint8_t i = 0; i < LED_HITS_TO_REMEMBER; ++i) {
last_hit_buffer.tick[i] = UINT16_MAX;
}
#endif // LED_MATRIX_KEYREACTIVE_ENABLED

if (!eeconfig_is_enabled()) {
dprintf("led_matrix_init_drivers eeconfig is not enabled.\n");
eeconfig_init();
Expand Down
10 changes: 10 additions & 0 deletions quantum/led_matrix.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,10 @@ void led_matrix_indicators(void);
void led_matrix_indicators_kb(void);
void led_matrix_indicators_user(void);

void led_matrix_indicators_advanced(effect_params_t *params);
void led_matrix_indicators_advanced_kb(uint8_t led_min, uint8_t led_max);
void led_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max);

void led_matrix_init(void);

void led_matrix_set_suspend_state(bool state);
Expand Down Expand Up @@ -133,3 +137,9 @@ extern led_eeconfig_t led_matrix_eeconfig;
extern bool g_suspend_state;
extern uint32_t g_led_timer;
extern led_config_t g_led_config;
#ifdef LED_MATRIX_KEYREACTIVE_ENABLED
extern last_hit_t g_last_hit_tracker;
#endif
#ifdef LED_MATRIX_FRAMEBUFFER_EFFECTS
extern uint8_t g_led_frame_buffer[MATRIX_ROWS][MATRIX_COLS];
#endif

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