X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?p=tinyboard.git;a=blobdiff_plain;f=projects%2Frgb-led-string%2Fmain.c;h=dc968613c6d85b9878405e13dd712f9e06d1b086;hp=4c82f48b8f2bed6b97f3c74e471495b60aec8d56;hb=946b14619a2e67ddf5b8c06e5d41c812b221083a;hpb=0692e26c1a208ea9f5745e63e980b5dcbd100f75

diff --git a/projects/rgb-led-string/main.c b/projects/rgb-led-string/main.c
index 4c82f48..dc96861 100644
--- a/projects/rgb-led-string/main.c
+++ b/projects/rgb-led-string/main.c
@@ -4,17 +4,86 @@
 
 #include "rgbstring.h"
 
+unsigned char jiffies;
+
+typedef struct {
+	unsigned char type : 4;
+	unsigned char order : 4;
+} pixel_t;
+
+pixel_t pixels[STRIP_SIZE];
+
+
 int main(void)
 {
+	unsigned char i, start, rgb, jiffies;
 	init_log();
+	init_serial();
+
+	_delay_ms(3000/8);
+	CLKPR = _BV(CLKPCE);
+	CLKPR = 0;
 
-	log_set_state(3);
+	for (i = 0; i < STRIP_SIZE; i+= 23)
+		pixels[i].type = 2;
 
-	DDRB |= _BV(PB2);
 	while (1) {
-		PORTB |=  _BV( PB2 );
-		_delay_ms(200);
-		PORTB &=~ _BV( PB2 );
-		_delay_ms(200);
+		jiffies++;
+		if ((jiffies & 7) == 0) {
+			pixels[start].type = 1;
+			pixels[start].order = 14;
+		}
+
+		if ((jiffies & 7) == 3) {
+			pixels[start].type = 2;
+			pixels[start].order = 0;
+			start += 19;
+		}
+
+		start += 63;
+		if (start >= STRIP_SIZE)
+			start -= STRIP_SIZE;
+
+		for (i = 0; i < STRIP_SIZE; i++) {
+			unsigned char type = pixels[i].type;
+			unsigned char order = pixels[i].order;
+
+			switch (type) {
+			case 0:
+				send_rgb(0, 0, 4);
+				break;
+			case 1:
+			case 3:
+				send_rgb(
+					6+(1 << (order/2)),
+					6+(1 << (order/2)),
+					6+(1 << (order/2))
+				);
+				pixels[i].type = type == 3 ? 2 : 0;;
+				if (order > 1 && i) {
+					pixels[i-1].type = pixels[i-1].type == 2 ? 3 : 1;
+					pixels[i-1].order = order-1;
+				}
+				break;
+			case 2:
+				if (order >= 8) {
+					send_rgb(1 << ((15-order) / 2), 0, 0);
+				} else {
+					send_rgb(1 << (order/2), 0, 0);
+				}
+				if (++order >= 15)
+					pixels[i].type = 0;
+				pixels[i].order = order;
+				break;
+			}
+		}
+
+		end_frame();
+
+		_delay_ms(50);
+#if 0
+		log_byte(0xFa);
+		log_flush();
+#endif
 	}
 }