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facab8c5a7
esp-idf/examples/protocols/asio/udp_echo_server
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Djordje Nedic facab8c5a7 tools: Increase the minimal supported CMake version to 3.16 
This updates the minimal supported version of CMake to 3.16, which in turn enables us to use more CMake features and have a cleaner build system.
This is the version that provides most new features and also the one we use in our latest docker image for CI.
2022-06-01 06:35:02 +00:00
..
main Build & config: Remove leftover files from the unsupported "make" build system 2021-11-11 15:32:36 +01:00
asio_udp_server_test.py CI: fix connection failures in asio example tests 2021-06-07 04:04:14 +00:00
CMakeLists.txt tools: Increase the minimal supported CMake version to 3.16 2022-06-01 06:35:02 +00:00
README.md build system: Use CMake-based build system as default when describing commands 2019-07-08 17:31:27 +10:00
sdkconfig.defaults partition_table: Add a "single factory app (large)" option for 1.5MB app size 2021-04-16 16:40:47 +10:00

README.md

Asio UDP echo server example

Simple Asio UDP echo server using WiFi STA or Ethernet.

Example workflow

  • Wi-Fi or Ethernet connection is established, and IP address is obtained.
  • Asio UDP server is started on port number defined through the project configuration
  • Server receives and echoes back messages transmitted from client

Running the example

  • Open the project configuration menu (idf.py menuconfig) to configure Wi-Fi or Ethernet. See "Establishing Wi-Fi or Ethernet Connection" section in examples/protocols/README.md for more details.
  • Set server port number in menuconfig, "Example configuration".
  • Run idf.py -p PORT flash monitor to build and upload the example to your board and connect to it's serial terminal.
  • Wait for the board to connect to WiFi or Ethernet (note the IP address).
  • You can now send a UDP message and check it is repeated, for example using netcat nc -u IP PORT.

See the README.md file in the upper level 'examples' directory for more information about examples.