I2C:ReadRegister8

Request

Index Word	Description
0	Header 0x00090080 Cmd 0x0009 Param 2 Xlat 0
1	u8, device ID
2	u8, register

Response

Index Word	Description
0	Header 0x00090080 Cmd 0x0009 Param 2 Xlat 0
1	Result code
2	u8, value read from register

Description

Reads the given I2C device's register.