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Retarget IO

A utility library to retarget the standard input/output (STDIO) messages to a UART port. With this library, you can directly print messages on a UART terminal using printf().

What's Included?

printf() support over a UART terminal
Support for GCC, IAR, and ARM toolchains
Thread safe write for NewLib

What Changed?

v1.3.0

Added support for checking whether data is being transmitted and waiting until done before finishing the deinit process
Added support for using with HAL v1 or v2

v1.2.0

Improve error handling
Add de-initialization of the mutex to cy_retarget_io_deinit
Update documentation for integration of the library in a RTOS environment.

v1.1.1

Minor update for documentation & branding

v1.1.0

Implemented system I/O retarget functions specific to ARM Compiler 6.
Made _write implementation thread-safe for Newlib.

v1.0.0

Initial release

Supported Software and Tools

This version of the Retarget IO was validated for compatibility with the following Software and Tools:

Software and Tools	Version
ModusToolbox™ Software Environment	2.4.0
GCC Compiler	10.3.1
IAR Compiler	8.4
ARM Compiler 6	6.11

Minimum required ModusToolbox™ Software Environment: v2.0

2.1 KiB Raw Blame History