Boring documentation of message types.

arduino/micro/msgtypes.h

@@ -1,12 +1,53 @@
+/* Message breakdowns are structured like this:
+
+0xABCDEFGH
+
+A - Message type,
+B - Message size,
+C - First nibble,
+D - Second nibble
+Etcetera.
+*/
+
 #define A_STATUS 0
+// A - A_STATUS
+// B - Length: 1
+// C - Analogue pin number, starting at 0
+// D - State as per A_SHORT, etc, below
 #define A_RAW 1
+// A - A_RAW
+// B - Length: 2
+// C - Analogue pin number, starting at 0
+// DEF - Raw analogue value, 0-1023
 #define D_STATUS 2
+// A - D_STATUS
+// B - Length: 1
+// C - Digital pin number, starting at 0
+// D - 0 or 1
 #define CARD_NUM 3
+// A - CARD_NUM
+// B - Length: Varies
+// C... - Raw card data.
 #define D_SET 4
+// A - D_SET
+// B - Length: 1
+// C - Digital pin number, starting at 0
+// D - 0 or 1
 #define D_PULSE 5
+// A - D_PULSE
+// B - Length: 1
+// C - Digital pin number, starting at 0
+// D - Padding: 0
+// EFGHIJKL - unsigned long, pulse duration in milliseconds.
 #define EEPROM_SET 6
+// A - EEPROM_SET
+// B - Length: Varies
+// C - High byte of EEPROM address
+// D - Low byte of EEPROM address
+// E... - Value to write to EEPROM
 #define MORE_MSG 7
-
+// A - MORE_MSG
+// B - Length: 0
 
 // These aren't message types per se, they're analogue point states
 #define A_SHORT 0