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Part 1 – AT Commands for All Universal IP Devices Chapter 6 – UDP AT Commands
Universal IP AT Commands Reference Guide (Document S000457K) 41
Chapter 6 – UDP AT Commands for All
Universal IP Devices
Set Commands
#PERSISTENTSOCKET - Persistent Socket
Description: If enabled and the physical connection is present, a socket will be created automatically.
Note: This command is for all devices except the SocketEthernet IP (MT100SEM-IP).
Syntax: AT#PERSISTENTSOCKET=<Persistentsocket value>,<Result Codes>
AT#PERSISTENTSOCKET? Read or display the current setting (or AT#VALL ).
Values: 0 – Persistent socket is disabled
1 – The TCP originate is started (#OTCP=1)
2 – The TCP listener is started (#LTCPSTART=1)
3 – The UDP originate is started (#OUDP=1)
4 – The UDP listener is started (#LUDPSTART=1)
Result Codes: 0 – All result codes will be suppressed during socket connection/disconnection
1 – All result codes will be displayed during socket connection/disconnection
Defaults: 0,1
Example: AT#PERSISTENTSOCKET=1,0
#UDPPACKETMIN – UDP Client Transmit Packet Minimum Size
Description: This parameter determines the minimum packet size the UDP Client will transmit.
Note: This value cannot be larger then the internal maximum UIP UDP payload size.
Note: This command is for all devices except the SocketWireless Wi-Fi (MT810SWM-IP).
Syntax: AT#UDPPACKETMIN=<parameter1>
AT#UDPPACKETMIN? Read or display the current setting.
Values: parameter 1
value = 0-65535 – the size of the packet in bytes; a setting of 65535 will allow the min packet
size allowed by the UIP stack
Responses: \r\n#UDPPACKETMIN: VALUE\r\n
\r\nOK\r\n
\r\nERROR\r\n
Examples:
send: AT#UDPPACKETMIN=300\r
reply: \r\nOK\r\n
send: AT#UDPPACKETMIN?\r
reply: \r\n#UDPPACKETMIN: 300\r\n
reply: \r\nOK\r\n