XBee® Wi-Fi RF Modules
© 2013 Digi International, Inc. 85
Modem Status
Frame Type: (0x8A)
RF module status messages are sent from the module in response to specific conditions.
Example: The following API frame is returned when a module is powered on in API
mode.
Frame Fields Offset Example Description
API Packet
Start
Delimiter
0 0x7E
Length
MSB 1 0x00
Number of bytes between the length and the checksum
LSB 2 0x02
API Frame
Specific Data
API Frame
Identifier
3 0x8A
Status 4 0x00
0 = Hardware reset or power up
1 = Watchdog timer reset
2 = Joined
3 = No longer joined to access point
4 = IP configuration error
Whenever the most significant bit of the Status byte is set,
the WiFi transceiver is reporting a problem.
These are the most likely modem status codes from the
WiFi transceiver:
0x82 = Send or join command issued without first
connecting from access point
0x83 = Access point not found
0x84 = PSK not configured
0x87 = SSID not found
0x88 = Failed to join with security enabled
0x8A = Invalid channel
0x8E = Failed to join access point
Checksum 5 0x75
0xFF minus the 8 bit sum of bytes from offset 3 to this
byte.
Note: New modem status codes may be added in future firmware releases.
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