CoAP 客户端
功能概述
本例演示了如何实现一个简单的 CoAP 客户端。
环境要求
需要有一个能正常连接的 AP。
在 menuconfig 中配置 WiFi SSID 和 WiFi Password。
在 menuconfig 中配置 CoAP 服务器的 Target URI，例如：coap://example.com:5683。
编译和烧录
示例位置：examples/network/coap/client
编译、烧录等操作请参考：快速入门
运行结果
成功运行将输出如下日志
D/wifi [2.662] sta connected 42-C1-82-80-2A-15 channel 6 authmode 3
D/wm_nm_core [3.476] distribution WM_LWIP_EV event 0
I/wm_nm_core [3.480] sta got ip: 192.168.3.36
D/wm_nm_core [3.486] WM_NM_EV post event 4 success
I/coap_cli [3.490] wifi station start success, network is ready!
I/coap_cli [3.496] CoAP Client Start !
Received:
Hello World!
D/coap_cli [3.616] 10...
D/coap_cli [4.118] 9...
D/coap_cli [4.620] 8...
D/coap_cli [5.122] 7...
D/coap_cli [5.624] 6...
D/coap_cli [6.126] 5...
D/coap_cli [6.628] 4...
D/coap_cli [7.130] 3...
D/coap_cli [7.632] 2...
D/coap_cli [8.134] 1...
D/coap_cli [8.636] 0...
I/coap_cli [9.138] Starting again!
Received:
Hello World!