rgb-led-string: Christmas tree mod after real-world testing

projects/rgb-led-string/main.c

@@ -6,7 +6,7 @@
 
 static unsigned char jiffies;
 
-// #define CHRISTMAS_TREE 1
+#define CHRISTMAS_TREE 1
 
 #define rgb_return(r, g, b)	do { send_rgb((r), (g), (b)); return 1; } while(0)
 
@@ -232,14 +232,16 @@ static unsigned char midstar_pixel(unsigned char pos)
 static void background(unsigned char pos)
 {
 #ifdef CHRISTMAS_TREE
-	switch ((pos >> 4) & 3) {
-	case 0: if (pos & 1) send_rgb(7, 0, 0); else send_rgb(0, 7, 0);
+	switch ((pos >> 3) & 3) {
+	//case 0: if (pos & 1) send_rgb(7, 0, 7); else send_rgb(0, 7, 5);
+	//case 0: if (pos & 1) send_rgb(0, 0, 7); else send_rgb(7, 7, 7);
+	case 0: if (pos & 1) send_rgb(0, 0, 7); else send_rgb(0, 7, 0);
 		break;
-	case 1: if (pos & 1) send_rgb(0, 0, 7); else send_rgb(7, 7, 7);
+	case 1: if (pos & 1) send_rgb(7, 0, 7); else send_rgb(7, 0, 0);
 		break;
-	case 2: if (pos & 1) send_rgb(7, 0, 7); else send_rgb(0, 7, 5);
+	case 2: if (pos & 1) send_rgb(7, 5, 0); else send_rgb(7, 7, 7);
 		break;
-	case 3: if (pos & 1) send_rgb(7, 5, 0); else send_rgb(7, 7, 7);
+	case 3: if (pos & 1) send_rgb(7, 0, 0); else send_rgb(0, 7, 0);
 		break;
 	}
 #else