Wiznet W7500S2E Series User Manual page 23

Command
LINK PHY link status
LISTEN Listening on TCP
CONNECT Initiate TCP connection
TCP_STATUS TCP connection status
UDP Establish UDP
SEND Send the length
RCV Receive the length
RLEN Receive data length
DISCON Close socket
Clear network receiving
CLEAR
buffer
W7500S2E user manual
W7500S2E serial to Ethernet module
Function
length
R
W
W
R
W
W
W
R
W
W
20
Max
Parameters
0: PHY link not connect
-
1: PHY link connected
- -
- -
0: TCP closed
-
1: TCP connected
- -
Range: 0 ~ 2048
4
Default: 0 (any length)
Range: 0 ~ 2048
4
Default: 0 (any length)
- Remaining length to be received
- -
- -