Add random-color display example

1 files changed, 34 insertions, 0 deletions

diff --git a/c/randomcolor/randomcolor.c b/c/randomcolor/randomcolor.c
new file mode 100644
index 0000000..9afe79b
--- /dev/null
+++ b/c/randomcolor/randomcolor.c
@@ -0,0 +1,34 @@
+/* Random Color Display for RVController
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include "rvcontroller-ecalls.h"
+
+char color[] = "123456";
+char channel[] = "A1";
+char chars[] = "0123456789ABCDEF";
+
+void randomize() {
+	for (int i=0;i<=5;i++) {
+		color[i] = chars[randomint(0,15)];
+	}
+}
+
+void main(void) {
+	for (int y=0;y<=5;y++) {
+		channel[1] = '1' + y;
+		for (int x=0;x<=19;x++) {
+			channel[0] = 'A' + x;
+			randomize();
+			digiline_send(channel,color);
+		}
+	}
+
+	for (;;) {
+		channel[0] = randomint('A','T');
+		channel[1] = randomint('1','6');
+		randomize();
+		digiline_send(channel,color);
+	}
+}