X-mas: WIP

diff --git a/xmas-lights/firmware/main.c b/xmas-lights/firmware/main.c
index 2cb17f207e15beb122e94a068dbca9afa5dcbf1d..4db811b30219f19171bdd31babe02cabf35d3e80 100644 (file)
--- a/xmas-lights/firmware/main.c
+++ b/xmas-lights/firmware/main.c
@@ -394,6 +394,52 @@ static void usb_init(void)
        usb_event_pending = 1;
 }
 
+/*** Effects ***/
+
+#if 0
+
+static void effect(void)
+{
+       static u32 last_update = 0;
+       static byte b = 0;
+
+       if (ms_ticks - last_update < 30)
+               return;
+       last_update = ms_ticks;
+
+#define DIM 15/16
+       for (uint j=0; j < NPIX_NUM_LEDS; j++)
+               neopixel_set(j, neopixel_leds[j][0]*DIM, neopixel_leds[j][1]*DIM, neopixel_leds[j][2]*DIM);
+       neopixel_set(b, 0, 0, 255);
+       neopixel_set((b + NPIX_NUM_LEDS/3) % NPIX_NUM_LEDS, 0, 255, 0);
+       neopixel_set((b + 2*NPIX_NUM_LEDS/3) % NPIX_NUM_LEDS, 255, 0, 0);
+       b = (b + 1) % NPIX_NUM_LEDS;
+}
+
+#else
+
+static void effect(void)
+{
+       static u32 last_update = 0;
+       static byte b = 0;
+
+       if (ms_ticks - last_update < 60)
+               return;
+       last_update = ms_ticks;
+
+// #define DIM 1/2
+#define DIM 0
+       for (uint j=0; j < NPIX_NUM_LEDS; j++)
+               neopixel_set(j, neopixel_leds[j][0]*DIM, neopixel_leds[j][1]*DIM, neopixel_leds[j][2]*DIM);
+       for (uint k=0; k<NPIX_NUM_LEDS/20; k++) {
+               neopixel_set((b + 20*k) % NPIX_NUM_LEDS, 0, 255, 0);
+               neopixel_set((b + 20*k + 5) % NPIX_NUM_LEDS, 0, 255, 0);
+       }
+       b = (b + 1) % NPIX_NUM_LEDS;
+}
+
+#endif
+
 /*** Main ***/
 
 int main(void)
@@ -407,19 +453,22 @@ int main(void)
 
        debug_printf("Hello, world!\n");
 
-       uint i=0;
        u32 last_blink = 0;
 
        for (;;) {
                if (ms_ticks - last_blink >= 100) {
                        last_blink = ms_ticks;
                        debug_led_toggle();
+#if 0
                        if (!got_first_message) {
+                               static uint i;
                                neopixel_set(i, 0, 0, 7);
                                i = (i+1) % NPIX_NUM_LEDS;
                                neopixel_set(i, 0, 255, 0);
                        }
+#endif
                }
+               effect();
                if (usb_event_pending) {
                        usbd_poll(usbd_dev);
                        usb_event_pending = 0;