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Add a function to blink n times.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-07-12 23:55:54 +02:00
parent cf103be82b
commit 8ec7171dc3
2 changed files with 63 additions and 4 deletions
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src/led/led.c
+62 -4
View File
@@ -28,6 +28,12 @@ led_driver_t *led_driver = NULL;
static uint32_t led_mode = MODE_NOT_MOUNTED;
static volatile bool blink_pending = false;
static volatile uint8_t blink_count = 0;
static volatile uint8_t blink_color = LED_COLOR_GREEN;
static volatile uint32_t blink_on_ms = 0;
static volatile uint32_t blink_off_ms = 0;
void led_set_mode(uint32_t mode) {
led_mode = mode;
}
@@ -36,12 +42,64 @@ uint32_t led_get_mode(void) {
return led_mode;
}
void led_blink_n_times(uint8_t count, uint8_t color, uint32_t on_ms, uint32_t off_ms) {
if (count == 0 || on_ms == 0 || off_ms == 0) {
return;
}
blink_count = count;
blink_color = color;
blink_on_ms = on_ms;
blink_off_ms = off_ms;
blink_pending = true;
}
void led_blinking_task(void) {
#if defined(PICO_PLATFORM) || defined(ESP_PLATFORM)
static uint32_t start_ms = 0;
static uint32_t stop_ms = 0;
static uint32_t last_led_update_ms = 0;
static uint8_t led_state = false;
static bool blink_active = false;
static bool blink_on = false;
static uint8_t blinks_remaining = 0;
static uint8_t active_blink_color = LED_COLOR_GREEN;
static uint32_t active_blink_on_ms = 0;
static uint32_t active_blink_off_ms = 0;
static uint32_t blink_deadline_ms = 0;
uint32_t now = board_millis();
if (blink_pending) {
blink_pending = false;
blink_active = true;
blink_on = true;
blinks_remaining = blink_count;
active_blink_color = blink_color;
active_blink_on_ms = blink_on_ms;
active_blink_off_ms = blink_off_ms;
blink_deadline_ms = now + active_blink_on_ms;
led_driver->set_color(active_blink_color, MAX_BTNESS, 1.0f);
return;
}
if (blink_active) {
if (now < blink_deadline_ms) {
return;
}
if (blink_on) {
blink_on = false;
blink_deadline_ms = now + active_blink_off_ms;
led_driver->set_color(LED_COLOR_OFF, 0, 0.0f);
return;
}
if (--blinks_remaining == 0) {
blink_active = false;
}
else {
blink_on = true;
blink_deadline_ms = now + active_blink_on_ms;
led_driver->set_color(active_blink_color, MAX_BTNESS, 1.0f);
return;
}
}
uint8_t state = led_state;
#ifdef PICO_DEFAULT_LED_PIN_INVERTED
state = !state;
@@ -54,7 +112,7 @@ void led_blinking_task(void) {
float progress = 0;
if (stop_ms > start_ms) {
progress = (float)(board_millis() - start_ms) / (stop_ms - start_ms);
progress = (float)(now - start_ms) / (stop_ms - start_ms);
}
if (!state) {
@@ -65,12 +123,12 @@ void led_blinking_task(void) {
}
// limit the frequency of LED status updates
if (board_millis() - last_led_update_ms > 2) {
if (now - last_led_update_ms > 2) {
led_driver->set_color(led_color, led_brightness, progress);
last_led_update_ms = board_millis();
last_led_update_ms = now;
}
if (board_millis() >= stop_ms){
if (now >= stop_ms){
start_ms = stop_ms;
led_state ^= 1; // toggle
stop_ms = start_ms + (led_state ? led_on : led_off);
src/led/led.h
+1
View File
@@ -63,6 +63,7 @@ enum {
extern void led_set_mode(uint32_t mode);
extern uint32_t led_get_mode(void);
extern void led_blink_n_times(uint8_t count, uint8_t color, uint32_t on_ms, uint32_t off_ms);
extern void led_blinking_task(void);
extern void led_off_all(void);
extern void led_init(void);