sxkbd

Firmware for RP2040-based corne split keyboard
git clone https://git.sinitax.com/sinitax/sxkbd
Log | Files | Refs | Submodules | README | LICENSE | sfeed.txt

led.c (1763B)

      1 #include "led.h"
      2 #include "ws2812.h"
      3 #include "util.h"
      4 
      5 #include "bsp/board.h"
      6 
      7 #define ONBOARD_LED_PIN 25
      8 
      9 static struct ws2812 onboard_led;
     10 
     11 int led_mode;
     12 bool led_reset;
     13 uint32_t led_blink_ms;
     14 uint32_t led_rgb;
     15 
     16 bool led_blip_reset;
     17 bool led_blip;
     18 uint32_t led_blip_ms;
     19 uint32_t led_blip_rgb;
     20 
     21 void
     22 led_init(void)
     23 {
     24 	led_reset = true;
     25 	led_mode = LED_ON;
     26 	led_rgb = SOFT_WHITE;
     27 	led_blip = false;
     28 	led_blip_rgb = HARD_WHITE;
     29 	ws2812_init(&onboard_led, pio0, ONBOARD_LED_PIN);
     30 }
     31 
     32 void
     33 led_task(void)
     34 {
     35 	static uint32_t start_ms = 0;
     36 	static bool state = false;
     37 
     38 	if (led_blip_reset) {
     39 		start_ms = board_millis();
     40 		led_blip = true;
     41 		ws2812_put(&onboard_led, led_blip_rgb);
     42 		state = true;
     43 		led_blip_reset = false;
     44 	}
     45 
     46 	if (led_blip) {
     47 		if (state && board_millis() - start_ms > led_blip_ms) {
     48 			ws2812_put(&onboard_led, led_rgb);
     49 			state = false;
     50 		} else if (board_millis() - start_ms > 2 * led_blip_ms) {
     51 			led_blip = false;
     52 			led_reset = true;
     53 		}
     54 	}
     55 
     56 	if (led_blip) return;
     57 
     58 	switch (led_mode) {
     59 	case LED_OFF:
     60 		if (led_reset) {
     61 			led_rgb = 0;
     62 			ws2812_put(&onboard_led, led_rgb);
     63 		}
     64 		break;
     65 	case LED_ON:
     66 		if (led_reset) {
     67 			ws2812_put(&onboard_led, led_rgb);
     68 		}
     69 		break;
     70 	case LED_BLINK:
     71 		if (led_reset) {
     72 			start_ms = board_millis();
     73 			state = true;
     74 			ws2812_put(&onboard_led, led_rgb);
     75 		}
     76 
     77 		if (board_millis() - start_ms < led_blink_ms)
     78 			return;
     79 		start_ms += led_blink_ms;
     80 
     81 		state = !state;
     82 		ws2812_put(&onboard_led, state ? led_rgb : 0);
     83 		break;
     84 	}
     85 
     86 	led_reset = false;
     87 }
     88 
     89 void
     90 led_set_mode(int mode, uint32_t rgb, uint32_t ms)
     91 {
     92 	led_mode = mode;
     93 	led_rgb = rgb;
     94 	led_blink_ms = ms;
     95 }
     96 
     97 void
     98 led_start_blip(uint32_t rgb, uint32_t ms)
     99 {
    100 	if (led_blip) return;
    101 	led_blip_rgb = rgb;
    102 	led_blip_ms = ms;
    103 	led_blip_reset = true;
    104 }