document more protocol

from http://old.ethersex.de/index.php/Vaillant_X6_Schnittstelle

diff --git a/dumps/Portmon1.log.txt b/dumps/Portmon1.log.txt
index 285694d..0e7d04d 100644 (file)
--- a/dumps/Portmon1.log.txt
+++ b/dumps/Portmon1.log.txt
@@ -1,3 +1,22 @@
+protocol:
+
+send:
+
+LL TT XX XX EE CC
+
+LL - length of message (including checksum)
+TT - type of message
+       00 - main
+       01 - error checksum
+       02 - hardware version
+       03 - error?
+       0A - software version
+       80 - change params
+XX - data
+EE - expected return value (length of reply - 3 bytes)
+CC - checksum
+
+
 # hardware version
 > 07 02 00 00 00 04 C4 
 < 08 00 00 [ 93 0B 09 ] FB 0B