# HG changeset patch
# User František Kučera <franta-hg@frantovo.cz>
# Date 1513956070 -3600
# Node ID 2a4b8b3abe14415f87f3fe161007c485a3cf625f
# Parent  1ecfa42ca0d284096551a111ad573898e5198f42
documentation + LED position

diff -r 1ecfa42ca0d2 -r 2a4b8b3abe14 c++/rgb-assembler/rgb-assembler.cpp
--- a/c++/rgb-assembler/rgb-assembler.cpp	Fri Dec 22 16:10:56 2017 +0100
+++ b/c++/rgb-assembler/rgb-assembler.cpp	Fri Dec 22 16:21:10 2017 +0100
@@ -13,16 +13,43 @@
 typedef uint8_t command_t;
 typedef uint8_t sleep_t;
 typedef uint8_t color_t;
+typedef uint8_t led_t;
 
 // TODO: strong typedefs http://www.boost.org/doc/libs/1_61_0/libs/serialization/doc/strong_typedef.html ?
 
 const address_t MEMORY_SIZE = 1024;
 
+/**
+ * Skip to the given address.
+ * parameter: address_t
+ */
 const command_t CMD_GOTO = 0x70;
+
+/**
+ * Wait given time in ms.
+ * parameter: sleep_t
+ */
 const command_t CMD_SLEEP = 0xFF;
+
+/**
+ * Set RGB LED color.
+ * parameter: led_t LED number
+ * parameter: color_t red
+ * parameter: color_t green
+ * parameter: color_t blue
+ */
 const command_t CMD_COLOR = 0xAA;
+
+/**
+ * Stop program.
+ */
 const command_t CMD_END = 0xED;
-const command_t CMD_INVALID = 0x1; // placeholder for unsupported command
+
+/**
+ * Placeholder for unsupported command.
+ * Just for testing.
+ */
+const command_t CMD_INVALID = 0x1;
 
 /**
  * Reads data on given position in memory and increments the index (position).
@@ -67,6 +94,7 @@
 		write<command_t>(memory, a, CMD_SLEEP);
 		write<sleep_t>(memory, a, 255);
 		write<command_t>(memory, a, CMD_COLOR);
+		write<led_t>(memory, a, 23);
 		write<color_t>(memory, a, 0);
 		write<color_t>(memory, a, 200);
 		write<color_t>(memory, a, 255);
@@ -94,10 +122,11 @@
 			}
 			case CMD_COLOR:
 			{
+				led_t led = read<led_t>(memory, i);
 				color_t r = read<color_t>(memory, i);
 				color_t g = read<color_t>(memory, i);
 				color_t b = read<color_t>(memory, i);
-				wprintf(L"COLOR  %02X %02X %02X\n", r, g, b);
+				wprintf(L"COLOR  %02X %02X %02X → %d\n", r, g, b, led);
 				break;
 			}
 			case CMD_END: