Diff: main.cpp

Revision:

0:99f7625b7724

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat May 23 01:36:19 2015 +0000
@@ -0,0 +1,52 @@
+#include "mbed.h"
+#include "colors.h"
+
+#define NUM_LED 8
+
+//  hsv > rgb
+
+void h2rgb(float H, float *R, float *G, float *B) {
+    float S, V, C, H2, X;
+    S = 1.0;
+    V = 1.0;
+    C = V * S;
+    H = H - floor(H / 360.0) * 360.0;
+    H2 = H / 60.0;
+    X = C * (1.0 - fabs(fmodf(H2, 2.0) - 1.0));
+    if (H2 < 1.0) { *R = C; *G = X; *B = 0; }
+    else if (H2 < 2.0) { *R = X; *G = C; *B = 0; }
+    else if (H2 < 3.0) { *R = 0; *G = C, *B = X; }
+    else if (H2 < 4.0) { *R = 0; *G = X, *B = C; }
+    else if (H2 < 5.0) { *R = X; *G = 0, *B = C; }
+    else if (H2 < 6.0) { *R = C; *G = 0, *B = X; }
+    *R += V - C;
+    *G += V - C;
+    *B += V - C;
+}
+
+//  main
+
+Colors colorLEDs;
+
+float hue = 0.0;
+unsigned char colorData[NUM_LED][3];
+
+int main() {
+    //  setup
+    colorLEDs.setup(NUM_LED);
+    //  send
+    while (1) {
+        for (int i = 0; i < NUM_LED; i++) {
+            float r, g, b;
+            h2rgb(hue + i * 30.0, &r, &g, &b);
+            colorData[i][0] = r * 255;
+            colorData[i][1] = g * 255; 
+            colorData[i][2] = b * 255;
+            hue = hue + 0.05;
+        }
+        colorLEDs.send(colorData);
+        //  
+        hue += 0.05;
+        wait_us(2000);
+    }
+}