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# RGB LED Library Release Notes
Provides functions for controlling an RGB LED. This library implements color mixing and brightness control using PWM blocks.
### What's Included?
* API for using PWMs to control an RGB LED
* Color mixing and brightness control
### What Changed?
#### v1.2.1
* Fixed issue with potentially uninitialized variables
#### v1.2.0
* Migrate all internal function calls to HAL APIs
#### v1.1.1
* Minor update for documentation & branding
#### v1.1.0
* Update color format form 0x00BBGGRR to 0x00RRGGBB
* Fixed unnecessary reliance on internal HAL PWM structure members
#### v1.0.0
* Initial release
### Supported Software and Tools
This version of the RGB LED library was validated for compatibility with the following Software and Tools:
| Software and Tools | Version |
| :--- | :----: |
| ModusToolbox Software Environment | 2.2.1 |
| GCC Compiler | 9.3.1 |
| IAR Compiler | 8.4 |
| ARM Compiler 6 | 6.11 |
Minimum required ModusToolbox Software Environment: v2.0
### More information
* [API Reference Guide](https://cypresssemiconductorco.github.io/rgb-led/html/index.html)
* [Cypress Semiconductor, an Infineon Technologies Company](http://www.cypress.com)
* [Cypress Semiconductor GitHub](https://github.com/cypresssemiconductorco)
* [ModusToolbox](https://www.cypress.com/products/modustoolbox-software-environment)
* [PSoC 6 Code Examples using ModusToolbox IDE](https://github.com/cypresssemiconductorco/Code-Examples-for-ModusToolbox-Software)
* [PSoC 6 Middleware](https://github.com/cypresssemiconductorco/psoc6-middleware)
* [PSoC 6 Resources - KBA223067](https://community.cypress.com/docs/DOC-14644)
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