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esp-idf/examples/system/select
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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 uart: add default source clock for all targets 2022-05-09 11:26:30 +08:00
CMakeLists.txt tools: Increase the minimal supported CMake version to 3.16 2022-06-01 06:35:02 +00:00
example_test.py ci: run Example_GENERIC for C3 2021-03-15 10:27:07 +08:00
README.md Allow VFS file descriptors in select() 2018-05-18 08:06:33 +02:00
sdkconfig.ci example_tests: Deletes usage esp32c3 ECO0 in CI (by default ECO3) 2021-09-24 13:55:07 +08:00

README.md

Synchronous I/O multiplexing example

The example demonstrates the use of synchronous I/O multiplexing by the select() function with UART and socket file descriptors. The example starts three tasks:

  1. The first task writes periodically to the UART1 file descriptor.
  2. The second task writes periodically to the socket descriptor.
  3. Both UART1 and the socket are configured to act as loopbacks. The third task detects by the use of select() whether it is possible to read from UART1 or the socket, and receives the sent messages from the other tasks.

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