![](/media/cache/group/Dangerous-Situations26.png.50x50_q85.jpg)
CoAP example application for mbed OS 5
This application demonstrates how to connect to a CoAP server from mbed OS 5. It connects to coap://coap.me
, sends a message to /hello
and receives the response.
To build
- Open
mbed_app.json
and change thenetwork-interface
option to your connectivity method (more info). - Build the project in the online compiler or using mbed CLI.
- Flash the project to your development board.
- Attach a serial monitor to your board to see the debug messages (baud rate 115,200).
mbed_app.json
- Committer:
- Jan Jongboom
- Date:
- 2017-02-15
- Revision:
- 0:0681e205d0e9
File content as of revision 0:0681e205d0e9:
{ "config": { "network-interface":{ "help": "options are ETHERNET, WIFI_ESP8266, WIFI_ODIN, MESH_LOWPAN_ND, MESH_THREAD", "value": "ETHERNET" }, "mesh_radio_type": { "help": "options are ATMEL, MCR20", "value": "ATMEL" }, "esp8266-tx": { "help": "Pin used as TX (connects to ESP8266 RX)", "value": "D1" }, "esp8266-rx": { "help": "Pin used as RX (connects to ESP8266 TX)", "value": "D0" }, "esp8266-debug": { "value": true }, "wifi-ssid": { "value": "\"SSID\"" }, "wifi-password": { "value": "\"Password\"" }, "button": { "help": "Pin which you'll use as button (can be overriden per target below)", "value": "BUTTON1" }, "builtin_led_on": { "help": "Value to write to built-in LEDs to turn them on", "value": 1, "macro_name": "BUILTIN_LED_ON" }, "builtin_led_off": { "help": "Value to write to built-in LEDs to turn them off", "value": 0, "macro_name": "BUILTIN_LED_OFF" } }, "target_overrides": { "*": { "target.features_add": ["NANOSTACK", "LOWPAN_ROUTER", "COMMON_PAL"], "platform.stdio-baud-rate": 115200, "platform.stdio-convert-newlines": true, "mbed-mesh-api.6lowpan-nd-channel-page": 0, "mbed-mesh-api.6lowpan-nd-channel": 12, "mbed-trace.enable": 0 }, "K64F": { "button": "SW2", "builtin_led_on": 0, "builtin_led_off": 1 }, "HEXIWEAR": { "button": "PTA12", "esp8266-tx": "PTD3", "esp8266-rx": "PTD2" }, "NUCLEO_F401RE": { "button": "USER_BUTTON", "esp8266-tx": "D8", "esp8266-rx": "D2" }, "NUCLEO_F411RE": { "button": "USER_BUTTON", "esp8266-tx": "D8", "esp8266-rx": "D2" }, "NUMAKER_PFM_NUC472": { "button": "SW1", "builtin_led_on": 0, "builtin_led_off": 1 } } }