Benutzer:Siro

alias: Patrick

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I2C Protokoll

DEF:
Hardwareebene (i2c) layer0
Packetebene layer1

Vorderungen:

Alle Devices sollen die max. Busgeschwindigkeit verwenden

Alle Daten werden in Packeten übertragen

Alle Daten werden "gepollt"
Packet:

Header	Data
1 Byte	1-8 Byte

Header:

Bit 7	Bit 6	Bit 5	Bit 4	Bit 3 - 0
reserved	reserved	Command/!Data	Parity	Packetsize

Note: Parity can be EVEN, ODD, XOR, NONE, Parity does include packetsize-Bits and all DATA
Note: Command/!DATA marks this packet as COMMAND packet or as DATA packet

COMMAND PACKET
COMMAND PACKET: size 1
DATA: command
handled by layer1

DATA PACKET
handled by userprogram

COMMANDS

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