TI<->µC High-Level-Protocol
	Last modified: 01/28/2002 mmddyyyy by Burkart
	Last modified: 07/18/2002 mmddyyyy by Burkart


Table of contents
=================
1.  Required packet types
2.1 Start procedure 1 (µC on first)
2.2 Start procedure 2 (TI on first)
2.3 General login procedure
3.1 Logout procedure 1 (TI shutdown)
3.2 Logout procedure 2 (µC-forced logout)
4.1 Ping 1 (TI -> µC)
4.2 Ping 2 (µC -> TI)
5.1 TI send radio packet
5.2 µC sent radio packet
6.1 µC received radio packet
6.2 µC received complete radio (multi-)packet
6.3 TI request radio packet
7.1 TI reset
7.2 µC shutdown
7.3 TI power-down
7.4 TI change radio channel
8.  Packet definitions


1. Required packet types
========================
Class LOGIN:
- µC (re)started
- TI started
- µC logged in
- µC logging in
- TI login data
- TI software version
- µC software version
Class LOGOUT:
- TI exit
- µC logged out
Class GENERAL PURPOSE:
- TI/µC ACK
Class UUSEND:
- TI send radio packet
- µC sent radio packet
Class UURECV:
- µC received radio packet
- µC received complete radio (multi-)packet
- TI request radio packet
- µC send radio packet
Class PING:
- TI/µC ping
Class SYSTEM:
- TI reset
- µC shutdown
- TI power-down
- TI change radio channel


2.1 Start procedure 1 (µC on first)
===================================
- µC (re)started
  [no reply]
- TI started
- µC ACK
- [see General login procedure]


2.2 Start procedure 2 (TI on first)
===================================
- TI started
  [no reply]
- µC (re)started
- [see General login procedure]


2.3 General login procedure
===========================
- TI software version
- µC software version
* TI displays both software versions
* TI has user entering login name
- [pause]
- TI login data
- µC logging in
- TI ACK
* TI displays "Logging in..."
- [pause]
- µC logged in
- TI ACK
* TI displays "Logged in!"


3.1 Logout procedure 1 (TI shutdown)
====================================
- TI exit
- µC ACK
* TI displays "Logging out..."
- [pause]
- µC logged out
- TI ACK
* TI software exits


3.2 Logout procedure 2 (µC-forced logout)
=========================================
- µC logged out
- TI ACK
* TI displays "Disconnected"


4.1 Ping 1 (TI -> µC)
=====================
- TI ping
- µC ACK


4.2 Ping 2 (µC -> TI)
=====================
- µC ping
- TI ACK


5.1 TI send radio packet
========================
- TI send radio packet
- µC ACK
* TI displays "Sending..."


5.2 µC sent radio packet
========================
- µC sent radio packet
- TI ACK


6.1 µC received radio packet
============================
- µC received radio packet
- TI ACK


6.2 µC received complete radio (multi-)packet
=============================================
- µC received complete radio (multi-)packet
- TI ACK


6.3 TI request radio packet
===========================
- TI request radio packet
- µC send radio packet
- TI ACK


7.1 TI reset
============
- TI reset
* µC resets itself


7.2 µC shutdown
===============
- µC shutdown
* TI displays system message
* TI software exits


7.3 TI power-down
=================
- TI power-down
- µC ACK
* µC goes into idle/power-down mode


7.4 TI change radio channel
===========================
- TI change radio channel
- µC ACK
* µC changes radio channel


8. Packet definitions
=====================
Class LOGIN:

- µC (re)started
  1 Byte 10h

- TI started
  1 Byte 11h

- µC logged in
  1 Byte 12h

- µC logging in
  1 Byte 13h

- TI login data
  1 Byte 14h
  8 Byte Username

- TI software version
  1 Byte 15h
  1 Byte 82h for TI-82
  1 Byte Hi-Version
  1 Byte Lo-Version

- µC software version
  1 Byte 16h
  1 Byte 51h for AT89C51
  1 Byte 32h for 32kB SRAM (62256)
  1 Byte Hi-Version
  1 Byte Lo-Version

Class LOGOUT:

- TI exit
  1 Byte 20h

- µC logged out
  1 Byte 21h

Class GENERAL PURPOSE:

- TI/µC ACK
  1 Byte 30h

Class UUSEND:

- TI send radio packet
         1 Byte 40h
         1 Byte Content-ID
  length-2 Byte radio packet data

- µC sent radio packet
  1 Byte 41h

Class UURECV:

- µC received radio packet
  1 Byte 51h

- µC received complete radio (multi-)packet
  1 Byte 52h
  1 Byte Content-ID
  1 Word packet length

- TI request radio packet
  1 Byte 53h
  1 Word offset
  1 Word length

- µC send radio packet
         1 Byte 54h
         1 Byte Content-ID
  length-2 Byte radio packet data

Class PING:

- TI/µC ping
  1 Byte 60h

Class SYSTEM:

- TI reset
  1 Byte 70h

- µC shutdown
  1 Byte 71h
  n Byte ASCIIZ-String system message

- TI power-down
  1 Byte 72h
  1 Byte 00h (reserved; to be power-down mode specifier)

- TI change radio channel
  1 Byte 73h
  1 Byte channel; Hardware 2.0: 0=Channel 1 (433.92 MHz), 1=Channel 2 (434.33 MHz)