Release Notes for

STM32F4xx CMSIS

Copyright © 2017 STMicroelectronics

Purpose

This driver provides the CMSIS device for the stm32f4xx products.

Update History

Main Changes

  • Add MCO2PRE[2:0] and MCO2[1:0] bits definition within CMSIS files.

Main Changes

  • Added new atomic register access macros in stm32f4xx.h file.
  • Update FLASH_SCALE2_LATENCY4_FREQ value to 120MHz instead of 12MHz.
  • Update the GCC startup file to be aligned to IAR/Keil IDE.
  • STM32F410/412/413/423:
    • Fix wrong defined value for wake-up pin 3 (PWR_CSR_EWUP3).

Main Changes

  • All source files: update disclaimer to add reference to the new license agreement.
  • Correct ETH bits definitions to be in line with naming used in the STM32F4 reference manual documents.

Main Changes

  • Add missing definition FLASH_CR_ERRIE to the CMSIS header file.
  • Remove unsupported “GPIOF_BASE” and “GPIOG_BASE” defines from STM32F412Vx device.
  • Add new atomic register access macros in stm32f4xx.h file.
  • Add LSI maximum startup time datasheet value: LSI_STARTUP_TIME.
  • Fix a typo in CMSIS STM32F4xx version macro (__STM32F4xx_CMSIS_VERSION).

Main Changes

  • system_stm32f4xx.c:
    • Protect Vector table modification following SRAM or FLASH preprocessor directive by a generic preprocessor directive : USER_VECT_TAB_ADDRESS
    • Update SystemInit_ExtMemCtl() API to initialize the tmpreg variable before each time out loop condition.
  • Add License.md and Readme.md files required for GitHub publication
  • Improve GCC startup files robustness.
  • Fix wrong value for GPIO_MODER_MODE8_Msk and GPIO_MODER_MODE2_Pos.
  • Update max number of host channels in FS for STM32F446:
    • Update USB_OTG_FS_HOST_MAX_CHANNEL_NBR value from 8 to 12.
  • Add SMBDEN and SMBHEN bit definition for STM32F410Tx device.

Main Changes

  • All header files
    • Update to use new BSD License format
  • MDK-ARM startup files
    • Update to fix invalid config wizard annotations

Main Changes

  • stm32f446xx.h file
    • Update to support HW flow control on UART4 and UART5 instances
  • stm32f412xx.h, stm32f413xx.h and stm32f423xx.h files
    • Remove unused IS_USB_ALL_INSTANCE() assert macro
  • All header files
    • Remove unused IS_TIM_SYNCHRO_INSTANCE() assert macro
  • system_stm32f4xx.c file
    • Update SystemInit() API to don’t reset RCC registers to its reset values

Main Changes

  • CRYP:
    • Update CMSIS devices with correct CRYP data input register name: DIN instead of DR
    • Add Bits definition for CRYP CR ALGOMODE AES GCM/CCM
  • HASH:
    • Update HASH_DIGEST_TypeDef structure: resize the HR register
    • Remove MDMAT Bits definition
  • TIM:
    • Add requires TIM assert macros:
    • IS_TIM_SYNCHRO_INSTANCE()
    • IS_TIM_CLOCKSOURCE_TIX_INSTANCE()
    • IS_TIM_CLOCKSOURCE_ITRX_INSTANCE()
  • RCC
    • Add RCC_CSR_BORRSTF bits definition
  • GPIO
    • Fix GPIO BRR bits definition
    • Adjust the GPIO present on STM32F412 devices
  • SAI
    • Fix frame length in SAI_xFRCR_FSALL & SAI_xFRCR_FRL bits description
  • USB:
    • Add missing Bits Definitions in USB_OTG_DOEPMSK register
    • USB_OTG_DOEPMSK_AHBERRM
    • USB_OTG_DOEPMSK_OTEPSPRM
    • USB_OTG_DOEPMSK_BERRM
    • USB_OTG_DOEPMSK_NAKM
    • USB_OTG_DOEPMSK_NYETM
    • Add missing Bits Definitions in USB_OTG_DIEPINT register
    • USB_OTG_DIEPINT_INEPNM
    • USB_OTG_DIEPINT_AHBERR
    • USB_OTG_DOEPINT_OUTPKTERR
    • USB_OTG_DOEPINT_NAK
    • USB_OTG_DOEPINT_STPKTRX
    • Add missing Bits Definitions in USB_OTG_DCFG register
    • USB_OTG_DCFG_XCVRDLY
    • USB_OTG_DCFG_ERRATIM
    • Update USB OTG max number of endpoints (6 FS and 9 HS instead of 5 and 8)
  • I2C/FMPI2C
    • Align Bit naming for FMPI2C_CR1 register: FMPI2C_CR1_DFN–> FMPI2C_CR1_DNF
    • Add IS_SMBUS_ALL_INSTANCE() define
  • DFSDM
    • Align Bit naming for DFSDM_FLTICR register: DFSDM_FLTICR_CLRSCSDF–> DFSDM_FLTICR_CLRSCDF
  • PWR
    • Remove PWR_CSR_WUPP define: feature not available on STM32F469xx/479xx devices

Main Changes

  • Remove Date and Version from all header files
  • USB_OTG register clean up: remove duplicated bits definitions
  • stm32f401xc.h, stm32f401xe.h, stm32f411xe.h files
    • Remove BKPSRAM_BASE define: feature not available
  • stm32f405xx.h, stm32f407xx.h files
    • Rename HASH_RNG_IRQn to RNG_IRQn: HASH instance not available
  • stm32f410xx.h, stm32f412xx.h, stm32f413xx.h, stm32f423xx.h files
    • Add missing wake-up pins defines
  • stm32f412cx.h files
    • Add support of USART3 instance

Main Changes

  • General updates in header files to support LL drivers
    • Align Bit naming for RCC_CSR register (ex: RCC_CSR_PADRSTF –> RCC_CSR_PINRSTF)
    • Add new defines for RCC features support:
    • RCC PLLI2S and RCC PLLSAI support
    • RCC PLLR I2S clock source and RCC PLLR system clock support
    • RCC SAI1A PLL source and RCC SAI1B PLL source support
    • RCC AHB2 support
    • Add RCC_DCKCFGR_PLLI2SDIVQ_X and RCC_DCKCFGR_PLLSAIDIVQ_X bits definition
    • Add new defines for RCC_PLLI2SCFGR_RST_VALUE, RCC_PLLSAICFGR_RST_VALUE and RCC_PLLCFGR_RST_VALUE
    • Add new defines for RTC features support:
    • RTC Tamper 2 support
    • RTC AF2 mapping support
    • Align Bit naming for RTC_CR and RTC_TAFCR registers (ex: RTC_CR_BCK –> RTC_CR_BKP)
    • Add new define to manage RTC backup register number: RTC_BKP_NUMBER
    • Rename IS_UART_INSTANCE() macro to IS_UART_HALFDUPLEX_INSTANCE()
    • Add new defines to check LIN instance: IS_UART_LIN_INSTANCE
    • Remove USART6 instance from STM32F410Tx header file
    • Rename IS_I2S_ALL_INSTANCE_EXT() macro to IS_I2S_EXT_ALL_INSTANCEE()
    • Add IS_I2S_APB1_INSTANCE() macro to check if I2S instance mapping: API1 or APB2
    • Remove SPI_I2S_SUPPORT define for SPI I2S features support: I2S feature is available on all STM32F4xx devices
    • Add SPI_I2S_FULLDUPLEX_SUPPORT define for STM32F413xx/423xx devices
    • Align SPI_I2SCFGR bit naming: SPI_I2SCFGR_ASTRTEN bit is missing for STM32F412xx devices
    • Add new I2S_APB1_APB2_FEATURE define for STM32F4xx devices where I2S IP’s are splited between RCC APB1 and APB2 interfaces
    • Add new FLASH_SR_RDERR define in FLASH_SR register
    • Add FLASH_OTP_BASE and FLASH_OTP_END defnes to manage FLASH OPT area
    • Add bit definitions for ETH_MACDBGR register
    • Add new defines ADC1_COMMON_BASE and ADC123_COMMON_BASE to replace ADC_BASE define
    • Add new defines ADC1_COMMON and ADC123_COMMON to replace ADC define
    • Add new ADC macros: IS_ADC_COMMON_INSTANCE() and IS_ADC_MULTIMODE_MASTER_INSTANCE()
    • Add new defines for ADC multi mode features support
    • Add new ADC aliases ADC_CDR_RDATA_MST and ADC_CDR_RDATA_SLV for compatibilities with all STM32 Families
    • Update TIM CNT and ARR register mask on 32-bits
    • Add new TIM_OR_TI1_RMP define in TIM_OR register
    • Add new TIM macros to check TIM feature instance support:
    • IS_TIM_COUNTER_MODE_SELECT_INSTANCE()
    • IS_TIM_CLOCK_DIVISION_INSTANCE()
    • IS_TIM_COMMUTATION_EVENT_INSTANCE()
    • IS_TIM_OCXREF_CLEAR_INSTANCE()
    • IS_TIM_CLOCKSOURCE_ETRMODE1_INSTANCE()
    • IS_TIM_CLOCKSOURCE_ETRMODE2_INSTANCE()
    • IS_TIM_REPETITION_COUNTER_INSTANCE()
    • IS_TIM_ENCODER_INTERFACE_INSTANCE()
    • IS_TIM_HALL_SENSOR_INTERFACE_INSTANCE()
    • IS_TIM_BREAK_INSTANCE()
  • CAN_IER register clean up: remove duplicated bit definitions
  • USB_OTG register: fix the wrong defined values for USB_OTG_GAHBCFG bits

Main Changes

  • Add support of STM32F413xx and STM32F423xx devices
    • Add “stm32f413xx.h” and “stm32f423xx.h” files
    • Add startup files “startup_stm32f413xx.s” and “startup_stm32f423xx.s” for EWARM, MDK-ARM and SW4STM32 toolchains
    • Add Linker files “stm32f413xx_flash.icf”, “stm32f413xx_sram.icf”, “stm32f423xx_flash.icf” and “stm32f423xx_sram.icf” used within EWARM Workspaces
  • All header files
    • Use _Pos and _Mask macro for all Bit Definitions
    • Update LPTIM_OR Bit Definition
    • Update the defined frequencies by scale for USB exported constants
    • Add UID_BASE, FLASHSIZE_BASE and PACKAGE_BASE defines
    • Add new define DAC_CHANNEL2_SUPPORT to manage DAC channel2 support
    • Use new DAC1 naming
    • Rename PWR_CSR_UDSWRDY define to PWR_CSR_UDRDY in PWR_CSR register
    • Align Bit naming for EXTI_IMR and EXTI_EMR registers (ex: EXTI_IMR_MR0 –> EXTI_IMR_IM0)
    • Add new EXTI_IMR_IM define in EXTI_IMR register
    • Add missing DMA registers definition
    • Add macro to check SMBUS instance support
  • stm32f412cx.h, stm32f412zx.h, stm32f412vx.h, stm32f412rx.h files
    • Add missing SYSCFG register: CFGR2
  • stm32f405xx.h, stm32f407xx.h, stm32f427xx.h, stm32f429xx.h files
    • Remove HASH_RNG_IRQn in IRQn_Type enumeration
  • stm32f405xx.h, stm32f407xx.h, stm32f415xx.h, stm32f417xx.h files
    • Remove I2C FLTR register as not supported
  • stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h files
    • Add missing Bit Definition of ETH_MACDBGR register
  • system_stm32f4xx.c file
    • Add APBPrescTable declaration

Main Changes

  • stm32f412rx.h, stm32f412vx.h and stm32f412zx.h files:
    • Add QSPI1_V2_1L define to manage the QSPI DMA2 limitation

Main Changes

  • Add support of STM32F412Cx, STM32F412Rx, STM32F412Vx and STM32F412Zx devices
    • Add “stm32f412Cx.h”, “stm32f412Rx.h”, “stm32f412Vx.h” and “stm32f412Zx.h” files
    • Add startup files “startup_stm32f412cx.s”, “startup_stm32f412rx.s”, “startup_stm32f412vx.s” and “startup_stm32f412zx.s” for EWARM, MDK-ARM and SW4STM32 toolchains
    • Add Linker files “stm32f412cx_flash.icf”, “stm32f412cx_sram.icf”, “stm32f412rx_flash.icf”, “stm32f412rx_sram.icf”, “stm32f412vx_flash.icf”, “stm32f412vx_sram.icf”, “stm32f412zx_flash.icf” and “stm32f412zx_sram.icf” used within EWARM Workspaces
  • Header files for all STM32 devices
    • Remove uint32_t cast and keep only Misra Cast (U) to avoid two types cast duplication
    • Correct some bits definition to be in line with naming used in the Reference Manual
    • WWDG_CR_Tx changed to WWDG_CR_T_x
    • WWDG_CFR_Wx changed to WWDG_CFR_W_x
    • WWDG_CFR_WDGTBx changed to WWDG_CFR_WDGTB_x
  • stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f446xx.h, stm32f469xx.h, stm32f479xx.h files
    • Correct some bits definition to be in line with naming used in the Reference Manual
    • DCMI_RISR_x changed to DCMI_RIS_x
    • DCMI_RISR_OVF_RIS changed to DCMI_RIS_OVR_RIS
    • DCMI_IER_OVF_IE changed to DCMI_IER_OVR_IE
  • stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h, stm32f446xx.h files
    • Correct some bits definition to be in line with naming used in the Reference Manual
    • SAI_xFRCR_FSPO changed to SAI_xFRCR_FSPOL
    • Rename IS_SAI_BLOCK_PERIPH to IS_SAI_ALL_INSTANCE
  • stm32f410cx.h, stm32f410rx.h, stm32f410tx.h files and stm32f446xx.h
    • Remove FMPI2C_CR1_SWRST and FMPI2C_CR1_WUPEN Bit definition for I2C_CR1 register
  • stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h files
    • Add missing bits definitions for DMA2D_CR, DMA2D_FGPFCCR, DMA2D_BGPFCCR, DMA2D_OPFCCR registers
  • stm32f401xc.h, stm32f401xe.h, stm32f411xe.h files
    • Add missing RCC_DCKCFGR register in RCC_TypeDef structure
    • Add missing Bit definition for RCC_DCKCFGR register
  • system_stm32f4xx.c
    • Update SystemInit_ExtMemCtl() API to fix delay optimization problem with GCC compiler: index variable is declared as volatile
  • stm32f4xx.h
    • Rename __STM32F4xx_CMSIS_DEVICE_VERSION_xx defines to __STM32F4_CMSIS_VERSION_xx (MISRA-C 2004 rule 5.1)

Main Changes

  • Header file for all STM32 devices
    • Rename ADC overrun flags definitions : ADC_CSR_DOVR1, ADC_CSR_DOVR2 and ADC_CSR_DOVR3 are replaced respectively by ADC_CSR_OVR1, ADC_CSR_OVR2 and ADC_CSR_OVR3 to be aligned with reference manuals
    • Add missing bits definitions for DAC : DAC_CR_DMAUDRIE1 and DAC_CR_DMAUDRIE2
    • Update CMSIS driver to be compliant with MISRA C 2004 rule 10.6
    • Remove the double definition of USB_OTG_HS_MAX_IN_ENDPOINTS and add a new one for USB_OTG_HS_MAX_OUT_ENDPOINTS
  • stm32f446xx.h, stm32f469xx.h, stm32f479xx.h files
    • Change the bit definition value of QUADSPI_CR_FTHRES
  • stm32f446xx.h, stm32f469xx.h, stm32f479xx.h, stm32f429xx.h, stm32f439xx.h files
    • Rename the LTDC_GCR_DTEN to LTDC_GCR_DEN in order to be aligned with the reference manual
    • Rename DCMI_MISR bit definitions to DCMI_MIS
    • Rename DCMI_ICR_OVF_ISC to DCMI_ICR_OVR_ISC
    • Add missing bits definitions for DCMI_ESCR, DCMI_ESUR, DCMI_CWSTRT, DCMI_CWSIZE, DCMI_DR registers
  • stm32f407xx.h, stm32f417xx.h, stm32f427xx.h, stm32f437xx.h files
    • Rename DCMI_MISR bit definitions to DCMI_MIS
    • Rename DCMI_ICR_OVF_ISC to DCMI_ICR_OVR_ISC
    • Add missing bits definitions for DCMI_ESCR, DCMI_ESUR, DCMI_CWSTRT, DCMI_CWSIZE, DCMI_DR registers
  • stm32f410cx.h, stm32f410rx.h, stm32f410tx.h files
    • Update the LPTIM SNGSTRT defined value
  • stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h files
    • Rename the DMA2D_IFSR bit definitions to DMA2D_IFCR
  • stm32f427xx.h, stm32f429xx.h, stm32f437xx.h, stm32f439xx.h, stm32f469xx.h, stm32f479xx.h, stm32f446xx.h files
    • Correct a wrong value of SAI_xCR2_CPL definition bit

Main Changes

  • system_stm32f4xx.c file
    • update SystemInit_ExtMemCtl() function implementation to allow the possibility of simultaneous use of DATA_IN_ExtSRAM and DATA_IN_ExtSDRAM
  • stm32f4xx.h file
    • add symbols for STM32F411xC devices
  • stm32f405xx.h, stm32f407xx.h, stm32f415xx.h, stm32f417xx.h files
    • add FSMC_BCRx_CPSIZE bits definitions
    • remove FSMC_BWTRx_CLKDIV and FSMC_BWTRx_DATLAT bits definitions
  • stm32f429xx.h, stm32f427xx.h, stm32f437xx.h files
    • add FMC_BCRx_CPSIZE bits definitions
    • remove FMC_BWTRx_CLKDIV and FMC_BWTRx_DATLAT bits definitions
  • stm32f446xx.h, stm32f469xx.h and stm32f479xx.h
    • update USB_OTG_GlobalTypeDef registers structure to remove ADP control registers
    • add USB_OTG_DOEPMSK_OTEPSPRM and USB_OTG_DOEPINT_OTEPSPR bits definitions
    • Remove ADP related bits definitions
    • add IS_PCD_ALL_INSTANCE() and IS_HCD_ALL_INSTANCE() macros

Main Changes

  • “stm32f469xx.h”, “stm32f479xx.h”
    • Update bits definition for DSI_WPCR and DSI_TCCR registers

Main Changes

  • Add support of STM32F469xx and STM32F479xx devices
    • Add “stm32f469xx.h” and “stm32f479xx.h” files
    • Add startup files “startup_stm32f469xx.s” and “startup_stm32f479xx.s” for EWARM, MDK-ARM and SW4STM32 toolchains
    • Add Linker files “stm32f469xx_flash.icf”, “stm32f469xx_sram.icf”, “stm32f479xx_flash.icf” and “stm32f479xx_sram.icf” used within EWARM Workspaces
  • Add support of STM32F410xx devices
    • Add “stm32f410cx.h”, “stm32f410tx.h” and “stm32f410rx.h” files
    • Add startup files “startup_stm32f410cx.s”, “startup_stm32f410rx.s” and “startup_stm32f410tx.s” for EWARM, MDK-ARM and SW4STM32 toolchains
    • Add Linker files “stm32f410cx_flash.icf”, “stm32f410cx_sram.icf”, “stm32f410rx_flash.icf”, “stm32f410tx_sram.icf”, “stm32f410tx_flash.icf”, and “stm32f410rx_sram.icf” used within EWARM Workspaces

Main Changes

  • “stm32f405xx.h”, “stm32f407xx.h”, “stm32f415xx.h” and “stm32f417xx.h”
    • Update FSMC_BTRx_DATAST and FSMC_BWTRx_DATAST (where x can be 1, 2, 3 and 4) mask on 8bits instead of 4bits
  • “stm32f427xx.h”, “stm32f437xx.h”, “stm32f429xx.h” and “stm32f439xx.h”
    • Update the defined mask value for SAI_xSR_FLVL_2
  • “stm32f415xx.h”, “stm32f417xx.h”, “stm32f437xx.h” and “stm32f439xx.h”
    • HASH alignement with bits namming used in documentation
    • Rename HASH_IMR_DINIM to HASH_IMR_DINIE
    • Rename HASH_IMR_DCIM to HASH_IMR_DCIE
    • Rename HASH_STR_NBW to HASH_STR_NBW
  • system_stm32f4xx.c
    • Remove __IO on constant table declaration
    • Implement workaround to cover RCC limitation regarding peripheral enable delay
    • SystemInit_ExtMemCtl() update GPIO configuration when external SDRAM is used

Main Changes

  • Header file for all STM32 devices
    • Update SRAM2, SRAM3 and BKPSRAM Bit-Banding base address defined values
    • Keep reference to SRAM3 only for STM32F42xx and STM32F43xx devices
    • Remove CCMDATARAM_BB_BASE: the CCM Data RAM region is not accessible via Bit-Banding
    • Update the RTC_PRER_PREDIV_S defined value to 0x00007FFF instead of 0x00001FFF

Main Changes

  • Add support of STM32F446xx devices
    • Add “stm32f446xx.h” file
    • Add startup file “startup_stm32f446xx.s” for EWARM, MDK-ARM and TrueSTUDIO toolchains
    • Add Linker files “stm32f446xx_flash.icf” and “stm32f446xx_sram.icf” used within EWARM Workspaces
  • Header file for all STM32 devices
    • Add missing bits definition in the EXTI IMR, EMR, RTSR, FTSR, SWIER and PR registers
    • Update RCC_AHB1RSTR_OTGHRST bit definition
    • Update PWR_CR_VOS bits definition for STM32F40xx and STM32F41xx devices
    • update SAI_xCR1_MCKDIV bit definition

Main Changes

  • stm32f4xx.h
    • Add new constant definition STM32F4
  • system_stm32f4xx.c
    • Fix SDRAM configuration in SystemInit_ExtMemCtl(): change RowBitsNumber from 11 to 12 (for MT48LC4M32B2 available on STM324x9I_EVAL board)
  • Header file for all STM32 devices
    • Add missing bits definition for CAN, FMC and USB peripherals
    • GPIO_TypeDef: change the BSRR register definition, the two 16-bits definition BSRRH and BSRRL are merged in a single 32-bits definition BSRR

Main Changes

  • Add support of STM32F411xExx devices
    • Add “stm32f411xe.h” file
    • Add startup file “startup_stm32f411xx.s” for EWARM, MDK-ARM and TrueSTUDIO toolchains
  • All header files
    • Add missing defines for GPIO LCKR Register
    • Add defines for memories base and end addresses: FLASH, SRAM, BKPSRAM and CCMRAM.
    • Add the following aliases for IRQ number and handler definition to ensure compatibility across the product lines of STM32F4 Series;

      • example for STM32F405xx.h

        #define FMC_IRQn FSMC_IRQn #define FMC_IRQHandler FSMC_IRQHandler

      • and for STM32F427xx.h

        #define FSMC_IRQn FMC_IRQn #define FSMC_IRQHandler FMC_IRQHandler

  • “stm32f401xc.h” and “stm32f401xe.h”: update to be in line with latest version of the Reference manual
    • Remove RNG registers structures and the corresponding bit definitions
    • Remove any occurrence to RNG (clock enable, clock reset,…)
    • Add the following bit definition for PWR CR registerAdd the following bit definition for PWR CR register
      • #define PWR_CR_ADCDC1 ((uint32_t)0x00002000)
      • #define PWR_CR_LPLVDS ((uint32_t)0x00000400)
      • #define PWR_CR_MRLVDS ((uint32_t)0x00000800)
  • “stm32f427xx.h”, “stm32f437xx.h”, “stm32f429xx.h” and “stm32f439xx.h”
    • Add a new legacy bit definition for PWR to be in line with latest version of the Reference manual
      • #define PWR_CR_LPUDS PWR_CR_LPLVDS
      • #define PWR_CR_MRUDS PWR_CR_MRLVDS
  • Update startup files for EWARM toolchain to cope with compiler enhancement of the V7.10 version
  • system_stm32f4xx.c
    • Remove dependency vs. the HAL, to allow using this file without the need to have the HAL drivers
      • Include stm32f4xx.h instead of stm32f4xx_hal.h
      • Add definition of HSE_VALUE and HSI_VALUE, if they are not yet defined in the compilation scope (these values are defined in stm32f4xx_hal_conf).
    • Use “__IO const” instead of “__I”, to avoid any compilation issue when __cplusplus switch is defined

Main Changes

  • Update based on STM32Cube specification
  • This version and later has to be used only with STM32CubeF4 based development

Main Changes

  • Add support of STM32F401xExx devices
  • Update startup files “startup_stm32f401xx.s” for EWARM, MDK-ARM, TrueSTUDIO and Ride toolchains: Add SPI4 interrupt handler entry in the vector table

Main Changes

  • system_stm32f4xx.c : Update FMC SDRAM configuration (RBURST mode activation)
  • Update startup files “startup_stm32f427_437xx.s” and “startup_stm32f429_439xx.s” for TrueSTUDIO and Ride toolchains and maintain the old name of startup files for legacy purpose

Main Changes

  • Add support of STM32F429/439xx and STM32F401xCxx devices
  • Update definition of STM32F427/437xx devices : extension of the features to include system clock up to 180MHz, dual bank Flash, reduced STOP Mode current, SAI, PCROP, SDRAM and DMA2D
  • stm32f4xx.h
    • Add the following device defines :
      • “#define STM32F40_41xxx” for all STM32405/415/407/417xx devices
      • “#define STM32F427_437xx” for all STM32F427/437xx devices
      • “#define STM32F429_439xx” for all STM32F429/439xx devices
      • “#define STM32F401xx” for all STM32F401xx devices
    • Maintain the old device define for legacy purpose
    • Update IRQ handler enumeration structure to support all STM32F4xx Family devices.
  • Add new startup files “startup_stm32f40_41xxx.s”,“startup_stm32f427_437xx.s”, “startup_stm32f429_439xx.s” and “startup_stm32f401xx.s” for all toolchains and maintain the old name for startup files for legacy purpose
  • system_stm32f4xx.c
    • Update the system configuration to support all STM32F4xx Family devices.

Main Changes

  • Official release for STM32F427x/437x devices.
  • stm32f4xx.h
    • Update product define: replace “#define STM32F4XX” by “#define STM32F40XX” for STM32F40x/41x devices
    • Add new product define: “#define STM32F427X” for STM32F427x/437x devices.
  • Add new startup files “startup_stm32f427x.s” for all toolchains
  • rename startup files “startup_stm32f4xx.s” by “startup_stm32f40xx.s” for all toolchains
  • system_stm32f4xx.c
    • Prefetch Buffer enabled
    • Add reference to STM32F427x/437x devices and STM324x7I_EVAL board
    • SystemInit_ExtMemCtl() function
      • Add configuration of missing FSMC address and data lines
      • Change memory type to SRAM instead of PSRAM (PSRAM is available only on STM324xG-EVAL RevA) and update timing values

Main Changes

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

Main Changes

  • All source files: update disclaimer to add reference to the new license agreement
  • stm32f4xx.h
    • Correct bit definition: RCC_AHB2RSTR_HSAHRST changed to RCC_AHB2RSTR_HASHRST

Main Changes

  • First official release for STM32F40x/41x devices
  • Add startup file for TASKING toolchain
  • system_stm32f4xx.c: driver’s comments update

Main Changes

  • Official version (V1.0.0) Release Candidate2 for STM32F40x/41x devices
  • stm32f4xx.h
    • Add define for Cortex-M4 revision __CM4_REV
    • Correct RCC_CFGR_PPRE2_DIV16 bit (in RCC_CFGR register) value to 0x0000E000
    • Correct some bits definition to be in line with naming used in the Reference Manual (RM0090)
      • GPIO_OTYPER_IDR_x changed to GPIO_IDR_IDR_x
      • GPIO_OTYPER_ODR_x changed to GPIO_ODR_ODR_x
      • SYSCFG_PMC_MII_RMII changed to SYSCFG_PMC_MII_RMII_SEL
      • RCC_APB2RSTR_SPI1 changed to RCC_APB2RSTR_SPI1RST
      • DBGMCU_APB1_FZ_DBG_IWDEG_STOP changed to DBGMCU_APB1_FZ_DBG_IWDG_STOP
      • PWR_CR_PMODE changed to PWR_CR_VOS
      • PWR_CSR_REGRDY changed to PWR_CSR_VOSRDY
      • Add new define RCC_AHB1ENR_CCMDATARAMEN
      • Add new defines SRAM2_BASE, CCMDATARAM_BASE and BKPSRAM_BASE
    • GPIO_TypeDef structure: in the comment change AFR[2] address mapping to 0x20-0x24 instead of 0x24-0x28
  • system_stm32f4xx.c
    • SystemInit(): add code to enable the FPU
    • SetSysClock(): change PWR_CR_PMODE by PWR_CR_VOS
    • SystemInit_ExtMemCtl(): remove commented values
  • startup (for all compilers)
    • Delete code used to enable the FPU (moved to system_stm32f4xx.c file)
    • File’s header updated

Main Changes

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