MCP Responses From Serial Adapter
This section describes the format of MCP response messages passed from the Serial Adapter to an External Computer.
Data Packet Received
Purpose: This is the message used by the Serial Adapter to deliver packets to the External Computer which have been received by the Serial Adapter over the radio.
Message Format:
BYTE | response (ASCII ‘d’, 64H) | |
BYTE | rssi | ;Radio signal strength of received |
|
| :packet |
BYTE | pinstat | |
BYTE | len H | ;Length of the user message |
BYTE | len L |
|
BYTE | srcaddr H | ;IP Address of source |
BYTE | srcaddr 3 |
|
BYTE | srcaddr 2 |
|
BYTE | srcaddr L |
|
BYTES | user message |
|
Status Indication of Transmitted Packet
Purpose: This message informs the External Computer of the status of the most recent data message sent to the Serial Adapter with the Transmit Data Packet command. The response contains a duplicate of the sequence number provided in the original Trans- mit Data Packet message, as well as the length and destination address. In addition, a StatusInd code is provided which indi- cates whether the message was sent successfully to the TCP/IP stack or not.
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