Diff: light_show.cpp

Revision:

24:52319c0a14b8

Child:

25:d48f46d753fd

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/light_show.cpp	Sat Jan 30 20:07:55 2016 +0000
@@ -0,0 +1,52 @@
+#include "light_show.h"
+
+void Light_show::drive ()
+{
+//        printf("Updating RGB values...\r\n");
+    for (i=0; i<3; i++) {
+        if (!(rgb & (0x1 << i) )) {
+            if ( in > WAIT[i]) {
+//                    printf("%d, %d, result: %d\r\n", rgb, (0x1 << i), (!(rgb & (0x1 << i)) ) );
+                rgb_c[i] = -cos((in - WAIT[i])*SCALE[i]) + 1;
+            } else {
+                rgb_c[i] = 0.0;
+            }
+        } else
+            rgb_c[i] = 0.0;
+        pc->printf("%f\t",rgb_c[i]);
+    }
+    pc->printf("\n\r");
+//        exit(0);
+}
+
+void Light_show::randomize_params()
+{
+    float rand_seed = t.read();
+    pc->printf("%f\n\r", rand_seed);
+    int rand_int = t.read() * 7919;
+
+    time_t seconds = time(NULL);
+    pc->printf("Time as seconds since January 1, 1970 = %d\n\r", seconds);
+
+    srand(rand_int);
+    pc->printf("A random %d\r\n", rand() );
+
+    // generate random values in 0.0 - 1.0
+    uint8_t blah;
+    for (int j = 0; j < 3; j++) {
+        srand(rand_int+j);
+        blah = rand();
+        SCALE[j] = (float) blah;
+        SCALE[j] /= (float) 0xff;
+        SCALE[j] = SCALE[j]*HPI + 1;
+        pc->printf("scale %d, %f\n\r", i, SCALE[i]);
+        srand(blah+j % 17 + 7);
+        blah = rand();
+        WAIT[j] = (float) blah;
+        WAIT[j] /= (float) 0xff;
+        WAIT[j] *= HPI;
+        pc->printf("wait %d, %f\n\r", i, WAIT[i]);
+    }
+    rgb = 0x0;
+    printf("Params Initialized\r\n");
+}
\ No newline at end of file