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# Change Log
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).
## [Unreleased]
### Changed
- Remove duplicate error bits clearing in serial `read()` implementation
- Optimize SPI implementation
- Use `pac` instead of `stm32` for PAC access and soft-deprecate the former
- Updated stm32f0 dependency to v0.10 (breaking change)
### Added
- Add 16bit SPI transfers
- Another example resembling a stop watch controlled via serial interface
### Fixed
- Incorrect PLLSRC bits when using HSE
## [v0.16.0] - 2020-02-02
### Added
- Another blinky example using a timer interrupt
### Changed
- Added "bypass" parameter to Rcc HSE configuration (breaking change)
- Add "usbsrc" function to Rcc configuration, used for selecting USB clock source
- For STM32F030, require use more specific feature flag, e.g. "stm32f030xc"
- Add `embedded-hal` `blocking::i2c::Read` implementation for I2C
- Added USB driver
### Fixed
- Timer: Fix use of wrong frequency when HCLK != PCLK
- RCC: Correct code to enable PLL
- RCC: Correct calculation of PLL multiplier
## [v0.15.2] - 2019-11-04
### Changed
- Re-enabled LTO
- Changed digital pin functionality to implement v2 versions
- Fixed a few deprecation warning and lints
- Enabled commented out and now available GPIOE support for 07x and 09x families
- Extract register block address only once
- Add DAC driver
## [v0.15.1] - 2019-08-11
### Fixed
- Clear UART errors in hardware after handling them
## [v0.15.0] - 2019-08-09
### Changed
- Updated stm32f0 dependency to v0.8.0 (breaking change)
- Made blinky example more universal by reducing CS
### Added
- Added fancier example moving a resource into an exception handler
## [v0.14.1] - 2019-06-06
### Added
- Support for CRS for devices with USB and HSI48
### Changed
- Clear error flags in serial read() before returning
- Revised feature flags for HSI48 clock support
## [v0.14.0] - 2019-04-25
### Changed
- Updated stm32f0 dependency to v0.7.0 (breaking change) - @jessebraham
- Bumped cortex-m dependency to ">=0.5.8,<0.7.0" to let user decide version
- Bumped cortex-m-rt dependency to v0.6.8
## [v0.13.0] - 2019-02-06
### Added
- Support for stm32f0x8 line - @jessebraham
- Support for capacitive touch sensing (TSC)
### Changed
- Updated to stm32-rs v0.6.0 - @HarkonenBade
- Updated the ADC code to use variants added in stm32-rs v0.6.0 - @HarkonenBade
- Improved serial `write_str` implementation
### Fixed
- Fixed ADC use trampling over the HSI48 clock settings
## [v0.12.0] - 2019-01-13
### Added
- Support for stm32f0x1 line - @jessebraham
- Support for HSE as a system clocksource (#25 - breaking change) - @zklapow
- Add ability to use a Tx/Rx only serial instance - @david-sawatzke
### Changed
- Optimize delay implemenation (#42) - @david-sawatzke
- Enforced more rigorous safety guarentees (#41 - Very breaking change) - @HarkonenBade
### Fixed
- Fixed panic in delay overflow handling for debug builds - @david-sawatzke
## [v0.11.1] - 2019-01-05
### Added
- Added peripheral definitions for the stm32f072xx line - @Yatekii
### Changed
- Fixed broken PC GPIO definitions with feature = "stm32f030" and feature = "stm32f070"
- More robust error handling for I2C
## [v0.11.0] - 2019-01-04
### Added
- Added ADC helper functions to read more intuitive values (#22) - @HarkonenBade
- Added interrupt enabling/disabling support to USART ports
- Added the option to have multiple Delay instances by cloning it - @david-sawatzke
### Changed
- Fixed a few clippy lints
### Removed
- Removed the free() method on the Delay provider (breaking change)
## [v0.10.1] - 2018-12-25
### Added
- Added Sync & Send ability to Pin
- Added initial implementation of an ADC interface (#13) - @HarkonenBade
- Added virtual-feature "device-selected" to simplify feature gating
### Changed
- Added overflow guards to delay
## [v0.10.0] - 2018-12-23
### Added
- Reworked GPIOs and added fully erased pins
- Timer support
- Support for STM32F070 - @jessebraham
- Additional peripheral support for STM32F030
- Watchdog support
### Changed
- Removed superfluous use statements
- Re-added Send ability for U(S)ART Rx/Tx
- Made crate to compile without features
- Eliminated a lot of unused warnings
### Fixed
- Fixed some comments
- Changed some prelude aliases to reflect crate name
### Removed
- Examples requiring additional driver crates
## [v0.9.0] - 2018-12-17
### Added
- Toggleable implementation for GPIOs
- Initial support for STM32F030
- LICENSE file
### Changed
- Updated stm32f0 dependency to v0.5.0.
- Interrupt handler to new #[interrupt] attribute
[Unreleased]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.16.0...HEAD
[v0.16.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.15.2...v0.16.0
[v0.15.2]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.15.1...v0.15.2
[v0.15.1]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.15.0...v0.15.1
[v0.15.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.14.1...v0.15.0
[v0.14.1]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.14.0...v0.14.1
[v0.14.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.13.0...v0.14.0
[v0.13.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.12.0...v0.13.0
[v0.12.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.11.1...v0.12.0
[v0.11.1]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.11.0...v0.11.1
[v0.11.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.10.1...v0.11.0
[v0.10.1]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.10.0...v0.10.1
[v0.10.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.9.0...v0.10.0
[v0.9.0]: https://github.com/stm32-rs/stm32f0xx-hal/compare/v0.8.0...v0.9.0