Changes in TODO.

TODO

@@ -403,7 +403,6 @@ Infrastructure, what's next
 
 - commands:
   - ping
-  - pong
   - announce device
     - used to assign a 8-bit device id on a bus
     - needs a 8-byte serial number for the device
@@ -415,8 +414,9 @@ Infrastructure, what's next
     - make info about data available
   - value data
     - announce changes in a given module
-  - set value
+  - RQ: set value
     - allow to change a value
+  - RSP: set value (response to set value request)
   - request value info
     - make the node send the current value of a given module
 
@@ -435,7 +435,7 @@ Memory Layout:
 - 0x0040       : 8 bytes node id (never overwritten)
 - 0x0048       : 2 bytes maintenance system version
 - 0x004a-0x004f: reserved
-- 0x0050-0x09ff: maintenance system  (2485 bytes)
+- 0x0050-0x09ff: maintenance system  (2479 bytes)
 - 0x0a00-0x0a3f: working system; reset and IRQ vectors
 - 0x0a40-0x0a4f: reserved (later: pointer to version etc)
 - 0x0a50-end   : rest of working system
@@ -449,20 +449,11 @@ Interrupt-Vektoren:
 
 
 
-Interface Data (WAN):
-- 1 Byte interface num (0-3)
-- 1 Byte flags
-- 1 Byte address
-- child node addresses (for routers):
-  - 1 Byte start
-  - 1 Byte end
-- 1 Byte bit mask for data bit
-- 1 Byte address for data input port
-- 1 Byte address for data output port
-- 1 Byte address for data DDR port
-- 1 Byte bit mask for ATTN bit
-- 1 Byte address for ATTN input port
-- 1 Byte address for ATTN output port
-- 1 Byte address for ATTN DDR port
+Next:
+- receive COM packets
+- read/write FLASH
+
+
+