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# Release Notes for STM32F4xx Standard Peripherals Drivers

Copyright 2013 STMicroelectronics

## Contents

1. STM32F4xx Standard Peripherals Drivers update History
2. License

## STM32F4xx Standard Peripherals Drivers update History

### V1.1.0 / 11-Janury-2013

Main Changes

- Official release for STM32F427x/437x devices.
- stm32f4xx_cryp.c/.h

- Update CRYP_Init() function : add the support for new algorithms (GCM/CCM).
- Add new function : CRYP_PhaseConfig() used for new AES-GCM and AES-CCM algorithms.
- CRYP_InitTypeDef structure : update all structure fields from uint16_t to uint32_t and update all driver functions parameters and the correpondant define to be declared with uint32_t type.
- Replace the "CRYP_ContextSave->CR_bits9to2" by "CRYP_ContextSave->CurrentConfig".

- stm32f4xx_flash.c/.h

- Update FLASH sectors numbers "FLASH_Sector_x" with x = 0..23.
- Update FLASH_EraseAllSectors() function to support mass erase for STM32F427x/437x devices.

- stm32f4xx_gpio.c/.h

- Add Alternate functions for new peripherals: SPI4, SPI5, SPI6, UART7, UART8.

- Update all functions header comment.

- stm32f4xx_hash.c/.h

- Update HASH_GetDigest() function : add the HASH_DIGEST structure.
- Add new function HASH_AutoStartDigest().
- Update HASH_MsgDigest structure: to support SHA-224 and SHA-256 modes.
- Update HASH_Context structure.
- Update some define using bit definitions already declared in stm32f4xx.h.

- stm32f'xx_i2c.c/.h

- Add new functions:

- I2C_AnalogFilterCmd(): enable/disable the analog I2C filters.

- I2C_DigitalFilterConfig(): configure the digital I2C filters.

- stm32f4xx_pwr.c/.h

- Add new argument "PWR_Regulator_Voltage_Scale3" to PWR_MainRegulatorModeConfig() function to be in line with Reference Manual description.

- stm32f4xx_rcc.c/.h

- Add new definitions for new peripherals: SPI4, SPI5, SPI6, SAI1, UART7, UART8.
- Add a new parameter in RCC_PLLI2SConfig() function : PLLI2SQ to specifies the division factor for SAI1 clock.
- Add RCC_TIMCLKPresConfig() function : TIMER Prescaler selection.

- stm32l1xx_spi.c/.h

- Update to support SPI4, SPI5, SPI6.

- Update all functions header comment.

- stm32l1xx_usart.c/.h

- Update to support UART7 and UART8.
- Update all functions header comment.

### V1.0.2 / 05-March-2012

Main Changes

- All source files: license disclaimer text update and add link to the License file on ST Internet.
- stm32f4xx_dcmi.c

- DCMI_GetFlagStatus() function: fix test condition on RISR register, use if (dcmireg == 0x00) instead of if (dcmireg == 0x01)

- stm32f4xx_pwr.c

- PWR_PVDLevelConfig() function: remove value of the voltage threshold corresponding to each PVD detection level, user should refer to the electrical characteristics of the STM32 device datasheet to have the correct value

### V1.0.1 / 28-December-2011

Main Changes

- All source files: update disclaimer to add reference to the new license agreement
- stm32f4xx_rtc.c:

- In “RTC_FLAGS_MASK” define: add RTC_FLAG_RECALPF and RTC_FLAG_SHPF
- RTC_DeInit() function: add reset of the following registers: SHIFTR, CALR, ALRMASSR and ALRMBSSR
- RTC_SetTime() and RTC_SetDate() functions: add test condition on BYPSHAD flag before to test RSF flag (when Bypass mode is enabled, the RSF bit is never set).

### V1.0.0 / 30-September-2011

Main Changes

- First official release for STM32F40x/41x devices
- stm32f4xx_rtc.c: remove useless code from RTC_GetDate() function
- stm32f4xx_rcc.c, stm32f4xx_spi.c, stm32f4xx_wwdg.c and stm32f4xx_syscfg.c: driver's comments update

### V1.0.0RC2 / 26-September-2011

Main Changes

- Official version (V1.0.0) Release Candidate1 for STM32F40x/STM32F41x devices
- stm32f4xx_usart.h/.c

- Update procedure to check on overrun error interrupt pending bit, defines for the following flag are added:

- USART_IT_ORE_RX: this flag is set if overrun error interrupt occurs and RXNEIE bit is set
- USART_IT_ORE_ER: this flag is set if overrun error interrupt occurs and EIE bit is set

- stm32f4xx_tim.c

- TIM_UpdateRequestConfig(): correct function header's comment
- TIM_ICInit(): add assert macros to test if the passed TIM parameter has channel 2, 3 or 4

- stm32f4xx_pwr.h/.c

- Rename PWR_FLAG_REGRDY constant to PWR_CSR_REGRDY
- Rename PWR_FLAG_VOSRDY constant to PWR_CSR_VOSRDY
- Rename PWR_HighPerformanceModeCmd(FunctionalState NewState) function to PWR_MainRegulatorModeConfig(uint32_t PWR_Regulator_Voltage)

- stm32f4xx_rcc.h/.c

- RCC_AHB1PeriphClockCmd(): add new constant RCC_AHB1Periph_CCMDATARAMEN as value for RCC_AHB1Periph parameter

- stm32f4xx_spi.h

- IS_I2S_EXT_PERIPH(): add check on I2S3ext peripheral

### V1.0.0RC1 / 25-August-2011

Main Changes

- Official version (V1.0.0) Release Candidate1 for STM32F4xx devices

## 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