Modem Status - 0x8A
Description
This frame type is emitted in response to specific conditions. The status field of this frame indicates the device behavior.
Format
The following table provides the contents of the frame. For details on frame structure, see API frame format.
| Offset | Size | Frame Field | Description |
|---|---|---|---|
| 0 | 8-bit | Start Delimiter | Indicates the start of an API frame. |
| 1 | 16-bit | Length | Number of bytes between the length and checksum. |
| 3 | 8-bit | Frame type |
Modem Status - 0x8A |
| 4 | 8-bit | Modem status |
Complete list of modem statuses: 0x00 = Hardware reset or power up 0x01 = Watchdog timer reset 0x02 = Joined network 0x03 = Left network 0x06 = Coordinator started 0x07 = Network security key was updated 0x0B = Network woke up 0x0C = Network went to sleep 0x0D = Voltage supply limit exceeded 0x0E = Remote Manager connected 0x0F = Remote Manager disconnected 0x11 = Modem configuration changed while join in progress 0x12 = Access fault 0x13 = Fatal error 0x3B = Secure session successfully established 0x3C = Secure session ended 0x3D = Secure session authentication failed 0x3E = Coordinator detected a PAN ID conflict but took no action 0x3F = Coordinator changed PAN ID due to a conflict 0x32 = BLE Connect 0x33 = BLE Disconnect 0x34 = Bandmask configuration failed 0x35 = Cellular component update started 0x36 = Cellular component update failed 0x37 = Cellular component update completed 0x38 = XBee firmware update started 0x39 = XBee firmware update failed 0x3A = XBee firmware update applying 0x40 = Router PAN ID was changed by coordinator due to a conflict 0x42 = Network Watchdog timeout expired 0x80 through 0xFF = Stack error |
| EOF | 8-bit | Checksum |
0xFF minus the 8-bit sum of bytes from offset 3 to this byte (between length and checksum).
|
Modem status codes
Statuses for specific modem types are listed here.
Examples
Each example is written without escapes (AP = 1) and all bytes are represented in hex format. For brevity, the start delimiter, length, and checksum fields have been excluded.
Boot status
When a device powers up, it returns the following API frame:
7E 00 02 8A 00 75
| Frame type | Modem Status |
|---|---|
| 0x8A | 0x00 |
| Status | Hardware Reset |
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