安信可 udp_server示例¶

udp_server Example¶

Configuration project¶

By default, the connected wifi AP in this project is ssid=”ssid” and password=”password”. You need to modify it according to your own AP configuration.

#define ROUTER_SSID "ssid"
#define ROUTER_PWD "password"

Server default configuration

IP Address: station IPv4 addr
Port: 7878

The current project supports simultaneous access of 4 clients, you are at src/udp_ Server.c can modify the following macro definitions to modify the maximum number of connections.

build and download¶

Compile with instructions and download firmware.

make -j16 flash p=/dev/ttyUSB0 b=921600

j16 is the number of cores in the system

Example Output¶

Server started successfully¶

(other log)...
[WF][SM] Exiting connecting state
[WF][SM] State Action ###connecting### --->>> ###wifiConnected_ipObtaining###
[WF][PF] Using profile, idx is @0
[WF][SM] Entering wifiConnected_ipObtaining state
[WF][SM] DHCP Starting...0x42014a5c
[APP] [EVT] connected 4488
-----------------> AABA Request:
A-MSDU: Permitted
Block Ack Policy: Immediate Block Ack
TID: 0
Number of Buffers: 64
-----------------> AABA Response:
A-MSDU: Not Permitted
Block Ack Policy: Immediate Block Ack
TID: 0
Number of Buffers: 8
ssn: 0
timeout: 0
tid 0
IP:192.168.1.100
MASK: 255.255.255.0
Gateway: 192.168.1.1
[lwip] netif status callback
IP: 192.168.1.100
MK: 255.255.255.0
GW: 192.168.1.1
[WF][SM] Exiting wifiConnected_ipObtaining state
[WF][SM] State Action ###wifiConnected_ipObtaining### --->>> ###wifiConnected_IPOK###
[WF][SM] Entering wifiConnected_IPOK state
[APP] [EVT] GOT IP 5093
[SYS] Memory left is 156144 Bytes
udp server start ip:192.168.1.100:7878

Message Receiving and Sending¶

(other log)...
[     10402][INFO: main.c:  65] 192.168.1.106:hellc
[     12005][INFO: main.c:  65] 192.168.1.106:hellc
[     12758][INFO: main.c:  65] 192.168.1.106:hellc
[     17812][INFO: main.c:  65] 192.168.1.107:Hello Server
[     18516][INFO: main.c:  65] 192.168.1.107:Hello Server
[     19070][INFO: main.c:  65] 192.168.1.107:Hello Server
[     19874][INFO: main.c:  65] 192.168.1.107:Hello Server
[     20428][INFO: main.c:  65] 192.168.1.107:Hello Server
[     20832][INFO: main.c:  65] 192.168.1.107:Hello Server
[     21286][INFO: main.c:  65] 192.168.1.107:Hello Server
[     52940][INFO: main.c:  65] 192.168.1.107:close

When a close is received, the current connection is closed.

Troubleshooting¶

For any technical queries, please open an [issue](https://github.com/Ai-Thinker-Open/Ai-Thinker-WB2/issues) on GitHub. We will get back to you soon.