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#include "led.h"
#include "ws2812.h"
#include "util.h"
#include "bsp/board.h"
#define ONBOARD_LED_PIN 25
static struct ws2812 onboard_led;
int led_mode;
bool led_reset;
uint32_t led_blink_ms;
uint32_t led_rgb;
bool led_blip_reset;
bool led_blip;
uint32_t led_blip_ms;
uint32_t led_blip_rgb;
void
led_init(void)
{
led_reset = true;
led_mode = LED_ON;
led_rgb = SOFT_WHITE;
led_blip = false;
led_blip_rgb = HARD_WHITE;
ws2812_init(&onboard_led, pio0, ONBOARD_LED_PIN);
}
void
led_task(void)
{
static uint32_t start_ms = 0;
static bool state = false;
if (led_blip_reset) {
start_ms = board_millis();
led_blip = true;
ws2812_put(&onboard_led, led_blip_rgb);
state = true;
led_blip_reset = false;
}
if (led_blip) {
if (state && board_millis() - start_ms > led_blip_ms) {
ws2812_put(&onboard_led, led_rgb);
state = false;
} else if (board_millis() - start_ms > 2 * led_blip_ms) {
led_blip = false;
led_reset = true;
}
}
if (led_blip) return;
switch (led_mode) {
case LED_OFF:
if (led_reset) {
led_rgb = 0;
ws2812_put(&onboard_led, led_rgb);
}
break;
case LED_ON:
if (led_reset) {
ws2812_put(&onboard_led, led_rgb);
}
break;
case LED_BLINK:
if (led_reset) {
start_ms = board_millis();
state = true;
ws2812_put(&onboard_led, led_rgb);
}
if (board_millis() - start_ms < led_blink_ms)
return;
start_ms += led_blink_ms;
state = !state;
ws2812_put(&onboard_led, state ? led_rgb : 0);
break;
}
led_reset = false;
}
void
led_set_mode(int mode, uint32_t rgb, uint32_t ms)
{
led_mode = mode;
led_rgb = rgb;
led_blink_ms = ms;
}
void
led_start_blip(uint32_t rgb, uint32_t ms)
{
if (led_blip) return;
led_blip_rgb = rgb;
led_blip_ms = ms;
led_blip_reset = true;
}
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