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# Release Notes for STM32F105/7xx, STM32F2xx and STM32F4xx USB OTG Driver

Copyright 2012 STMicroelectronics

## Contents

1. Update History
2. License

## Update History

### V2.1.0 / 19-March-2012

Main Changes

- Official support of STM32F4xx devices
- All source files: license disclaimer text update and add link to the License file on ST Internet
- Unmask Session request interrupt to handle the connect event during the core start-up
- Remove any reference to the USB HS external I2C PHY
- Update optimization pragma for AR Compiler
- Handle Correctly the Low Speed device connection in HS mode
- Add a wrapper to isolate the library from the low level driver: connection done through ISR structure
- Miscellaneous bug fix

### V2.0.0 / 22-July-2011

Main Changes

- Second official version supporting STM32F105/7 and STM32F2xx devices
- Rename the Library from "STM32_USB_HOST_Driver" to "STM32_USB_OTG_Driver"
- Add support for STM32F2xx devices
- Add support for Device and OTG modes
- Change HCD layer to support High speed core
- Change the Low level driver to support multi core support for Host mode
- Add Stop mechanism for Host and Device modes
- Change VBUS enabling method, to use the external or the internal VBUS when using the ULPI

### V1.0.0 - 11/29/2010

- Created

## License

Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this package except in compliance with the License. You may obtain a copy of the License at:

http://www.st.com/software_license_agreement_liberty_v2
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

For complete documentation on STM32 Microcontrollers visit www.st.com/STM32