RFM DNT24C, Руководство по интеграции

Страница: 38 / 42

www.RFM.com Technical s1.678.684.2000 Page 38 of 83
© 2011 by RF Monolithics, Inc. E-mail: tech_sup@rfm.com DNT24 Integration Guide - 10/19/11
SetRemoteRegister command and reply format details are shown in Tables 7.3.15 and 7.3.16:
Set Remote Register Command
Byte Offset Field Description
0x00 Start-of-Packet 0xFB = Indicates start of protocol formatted message
0x01 Length Number of bytes in message following this byte
0x02 Packet Type 0x07 = SetRemoteRegister
0x03 - 0x05 Destination MAC Address Destination MAC address, in Little Endian byte order
0x06 Register Offset Register offset in its bank
0x07 Register Bank Register bank number
0x08 Register Size Register size in bytes
0x09 - 0x18 Register Value Register contents
Table 7.3.15
Set Remote Register Reply
Byte Offset Field Description
0x00 Start-of-Packet 0xFB = Indicates start of protocol formatted message
0x01 Length 0x06 = Number of bytes in message following this byte
0x02 Packet Type 0x17 = SetRemoteRegisterReply
0x03 Status Error status: 0x00 = no error, 0xE1 = invalid argument
0x04 - 0x06 Originator MAC Address Originator’s MAC address, in Little Endian byte order
0x07 RSSI Packet RX power in dBm, -128 to 126, or 127 if invalid
Table 7.3.16
RxData event packet format details are shown in Figure Table 7.3.17:
RX Data Packet
Byte Offset Field Description
0x00 Start-of-Packet 0xFB = Indicates start of protocol formatted message
0x01 Length 0x00 to 0x6D = Number of bytes in message following this byte
0x02 Packet Type 0x26 = RxData event message
0x03 - 0x05 Originator MAC Address Originator’s MAC address, in Little Endian byte order
0x06 RSSI Packet RX power in dBm, -128 to 126, or 127 if invalid
0x07 - 0x73 Rx Data Up to 105 bytes of data from Base, up to 109 bytes from Router or Remote
Table 7.3.17