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#include "led.h"
#include "ws2812.h"
#include "util.h"
#include "bsp/board.h"
#define BLINK_DELAY 500
#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;
void
led_init(void)
{
led_reset = true;
led_mode = LED_ON;
led_rgb = SOFT_WHITE;
ws2812_init(&onboard_led, pio0, ONBOARD_LED_PIN);
}
void
led_task(void)
{
static uint32_t start_ms = 0;
static bool state = false;
switch (led_mode) {
case LED_OFF:
if (led_reset)
ws2812_put(&onboard_led, 0);
break;
case LED_ON:
if (led_reset)
ws2812_put(&onboard_led, WS2812_U32RGB(led_rgb));
break;
case LED_BLINK:
if (led_reset)
start_ms = board_millis();
if (board_millis() - start_ms < led_blink_ms)
return;
start_ms += led_blink_ms;
state = !state;
ws2812_put(&onboard_led, state ? WS2812_U32RGB(led_rgb) : 0);
break;
}
led_reset = false;
}
void
led_blip(uint32_t rgb)
{
uint32_t start;
ws2812_put(&onboard_led, WS2812_U32RGB(rgb));
start = board_millis();
while (board_millis() < start + BLINK_DELAY)
tud_task();
led_task();
}
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