Main Changes

Maintenance Release

• Add support for STM32G491xx and STM32G4A1 part numbers

• General updates to fix known defects and enhancements implementation

• HAL/LL GPIO update
  • Enhancement GPIO_TogglePin API to allow the toggling of many pins
  • Update GPIO initialization sequence to avoid unwanted pulse on GPIO Pin’s
• HAL/LL HRTIM update
  • Constants renaming:
    • Rename HAL constants HRTIM_TIMEEVENT_… and HRTIM_TIMEEVENTRESETMODE_… respectively HRTIM_EVENTCOUNTER_… and HRTIM_EVENTCOUNTER_RSTMODE_… to reflect their relation to external event counters.
    • Rename LL constants LL_HRTIM_OUTPUTSET_TIM… and LL_HRTIM_OUTPUTRESET_TIM… to make them compliant to the CMSIS bits definitions they correspond to.
    • Warning: Possible compatibility break with CubeMX 5.6.0 and previous versions!
  • Constants removal:
    • Remove unused HAL constants HRTIM_RSYNCUPDATE_… and HRTIM_TIMEEVENTCOUNTER_….
    • Remove unused LL constant LL_HRTIM_RESETTRIG_OTHER5_CMP4 as the definition it corresponds to (HRTIM_RSTR_TIMFCMP4) exists neither in the CMSIS nor in the reference manual.
• HAL/LL I2S update
  • Update HAL_I2S_DMAStop() API to be more safe
    • Add a check on BSY, TXE and RXNE flags before disabling the I2S
  • Update HAL_I2S_DMAStop() API to fix multi-call transfer issue(to avoid re-initializing the I2S for the next transfer).
    • Add __HAL_I2SEXT_FLUSH_RX_DR() and __HAL_I2S_FLUSH_RX_DR() macros to flush the remaining data inside DR registers.
    • Add new ErrorCode define: HAL_I2S_ERROR_BUSY_LINE_RX
• HAL/LL SPI update
  • Update HAL_SPI_Init() API
    • To avoid setting the BaudRatePrescaler in case of Slave Motorola Mode
    • Use the bit-mask for SPI configuration
  • Update Transmit/Receive processes in half-duplex mode
    • Disable the SPI instance before setting BDIOE bit
  • Update SPI_DMAReceiveCplt() API to handle efficiently the repeated transfers.
    • Disable TX DMA request only in bidirectional receive mode.
  • Fix wrong timeout management
    • Calculate Timeout based on a software loop to avoid blocking issue if Systick is disabled
• HAL SAI update
  • Update HAL_SAI_Init() API to correct the formula in case of SPDIF is wrong
• HAL/LL ADC update
  • Update Channel & external trigger to support STM32G491/STM32G4A1 embedded with 3 ADC:
    • IS_ADC_EXTRIG, IS_ADC_CHANNEL, IS_ADC_EXTRIGINJ, ADC_IS_INDEPENDENT.
    • IS_LL_ADC_REG_TRIG_SOURCE, IS_LL_ADC_INJ_TRIG_SOURCE, __LL_ADC_IS_CHANNEL_INTERNAL_AVAILABLE.
  • Update note in ll_adc.h & hal_adc.h to highlight that the ADC with transfers DMA and ADC mode auto delay can work simultaneously.
• HAL COMP update
  • Update Blanking sources to support STM32G491/STM32G4A1 embedded with 4 COMP:
    • IS_COMP_BLANKINGSRC_INSTANCE
• HAL OPAMP update
  • Update hal_opamp_ex.c to support STM32G491/STM32G4A1 embedded with 4 OPAMP (OPAMP1/OPAMP2/OPAMP3/OPAMP6):
• HAL FLASH update
  • Update FLASH Latency comment param to list all supported flash latency values.
  • Update FLASH_PAGE_NB to return the right page number(256 pages for devices embedded with 512KB flash size and 64 for devices embedded with 128KB flash size)
• HAL/LL RCC update
  • Update Table 1. HCLK clock frequency for STM32G4xx devices to be aligned with referance manual RM0440
  • Update peripheral clock to support STM32G491/STM32G4A1 devices:
    • HAL_RCCEx_GetPeriphCLKConfig
    • IS_RCC_PERIPHCLOCK
• HAL/LL TIM driver
  • Align HAL/LL TIM driver with latest updates and enhancements
  • Add new macros to enable and disable the fast mode when using the one pulse mode to output a waveform with a minimum delay
    • __HAL_TIM_ENABLE_OCxFAST() and __HAL_TIM_DISABLE_OCxFAST().
  • Update HAL_TIMEx_MasterConfigSynchronization() API to avoid functional errors and assert fails when using some TIM instances as input trigger.
    • Replace IS_TIM_SYNCHRO_INSTANCE() macro by IS_TIM_MASTER_INSTANCE() macro.
    • Add IS_TIM_SLAVE_INSTANCE() macro to check on TIM_SMCR_MSM bit.
  • Remove ‘register’ storage class specifier from LL TIM driver.
  • Add new API HAL_TIM_DMABurst_MultiWriteStart() allowing to configure the DMA Burst to transfer multiple Data from the memory to the TIM peripheral
  • Add new API HAL_TIM_DMABurst_MultiReadStart() allowing to configure the DMA Burst to transfer Data from the TIM peripheral to the memory
• HAL/LL UART driver
  • Update UART polling processes to handle efficiently the Lock mechanism
    • Move the process unlock at the top of the HAL_UART_Receive() and HAL_UART_Transmit() API.
  • Update UART BRR calculation for ROM size gain
  • Remove ‘register’ storage class specifier from LL UART driver.
• HAL/LL USART driver
  • Remove ‘register’ storage class specifier from LL USART driver.
• HAL/LL USB driver
  • Fix USB Bulk transfer double buffer mode
  • Remove register keyword from USB defined macros as no more supported by c++ compiler
  • minor rework USBD_Start and USBD_Stop API, stop device to be handled by HAL_PCD_DeInit()
  • Correct some word spelling issues

Development Toolchains and Compilers

• IAR Embedded Workbench for ARM (EWARM) toolchain V8.40.1
• RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.29
• STM32CubeIDE toolchain V1.4.0

Supported Devices

• STM32G431/41xx
• STM32G471xx
• STM32G473/83xx
• STM32G474/84xx
• STM32G491/A1xx

Main Changes

Maintenance Release

• General updates to fix known defects and enhancements implementation

• HAL/LL CRYP update
  • Correct MISRA C:2012 warnings reported by rules 2.2_c, 10.1_R6, 10.3, 10.4_a, 10.6, 12.1, 13.5 15.7
  • Perform a new check mechanism on the cryp buffer size in Encryption et Decryption API
    • Add IS_CRYP_BUFFERSIZE() macro
  • Clean up the HAL_CRYP_Resume() API to avoid infinite loop due to an early interruption during resumption process
    • Remove __HAL_CRYP_ENABLE_IT() and __HAL_CRYP_ENABLE() API .
  • Add new parameter in the CRYP_HandleTypeDef structure
    • Add SizesSum_saved to save the SizesSum when processing is suspended
    • Update the HAL_CRYP_Suspend() and HAL_CRYP_Resume() API by adding this new parameter
  • Add missing interruptions re-enabling operations following an all flags clear-up in the CRYP_PhaseProcessingResume() API
  • Support AAD with all possible byte sizes, not only multiple of 4 bytes
    • Update CRYP_GCMCCM_SetHeaderPhase() API
    • Add new parameter HeaderWidthUnit in the CRYP_ConfigTypeDef structure which contains the Cryp Header Width Unit
    • Add new definition of the CRYP Header size Unit
      • CRYP_HEADERWIDTHUNIT_WORD
      • CRYP_HEADERWIDTHUNIT_BYTE
  • Support data encryption and decryption with length not only multiple of 16 bytes
    • Update IS_CRYP_BUFFERSIZE() macro
    • Update AES functions : CRYP_AES_ProcessData() / CRYP_AES_IT() / CRYP_AESCCM_Process() / CRYP_AESGCM_Process_DMA()
    • Update CRYP_GCMCCM_SetPayloadPhase_IT() API
• HAL/LL FMAC update
  • General updates to comply to internal coding rules.
• HAL GPIO update
  • Update the GPIO initialization sequence in HAL_GPIO_Init() API to avoid unwanted glitches on GPIO pins.
  • Add missing GPIO Alternate Function definitions:
    • GPIO_AF2_TIM16, GPIO_AF9_TIM8, GPIO_AF11_TIM8, GPIO_AF12_TIM1.
• HAL HRTIM update
  • Update HAL_HRTIM_WaveformCompareConfig() to clear HRTIM_TIMxCR.DELCMP bitfield when the auto-delayed protection mode is disabled.
  • Correct some “HRTIM_OUTPUTSET_TIMxx” constant names which are not compliant with Timer Events Mapping specified in the reference manual
    • Remove HRTIM_OUTPUTSET_TIMCEV1_TIMACMP1, HRTIM_OUTPUTSET_TIMEEV5_TIMDCMP2 , HRTIM_OUTPUTRESET_TIMCEV1_TIMACMP1 and HRTIM_OUTPUTRESET_TIMEEV5_TIMDCMP2
    • Add HRTIM_OUTPUTSET_TIMEEV5_TIMCCMP2 and HRTIM_OUTPUTSET_TIMCEV2_TIMACMP3 , HRTIM_OUTPUTRESET_TIMCEV2_TIMACMP3 and HRTIM_OUTPUTRESET_TIMEEV5_TIMCCMP2
    • Update HRTIM_OUTPUTSET_TIMCEV2_TIMACMP2 and HRTIM_OUTPUTRESET_TIMCEV2_TIMACMP2 definitions
  • Update HAL_HRTIM_DLLCalibrationStart() and HAL_HRTIM_DLLCalibrationStart_IT() API by setting HRTIM state ready to avoid some unstable behavior of the TIMER E.
  • Add new check field in the IS_HRTIM_EVENTSRC() macro to check also on EVENT
  • Add a new check in the HAL_HRTIM_EventConfig() API on event and event source through the IS_HRTIM_EVENTSRC() macro
  • Remove UPDGAT bits reset from the HRTIM_TimingUnitWaveform_Control() API
  • Add a lock and unlock handle process in the HAL_HRTIM_SimpleOCChannelConfig() API
• HAL I2C update
  • Update I2C_DMAAbort() APIs to fix hardfault issue when hdmatx and hdmarx parameters in i2c handle aren’t initialized (NULL pointer).
    • Add additional check on hi2c->hdmtx and hi2c->hdmarx before resetting DMA Tx/Rx complete callbacks
  • Fix HAL I2C slave interrupt handling issue with I2C sequential transfers.
    • Update I2C_Slave_ISR_IT() and I2C_Slave_ISR_DMA() APIs to check on STOP condition and handle it before clearing the ADDR flag
• HAL LPTIM update
  • Add a polling mechanism to check on LPTIM_FLAG_XXOK flags in different API
    • Add LPTIM_WaitForFlag() API to wait for flag set.
    • Perform new checks on HAL_LPTIM_STATE_TIMEOUT.
  • Apply digital filter for external clock for all LPTIM clock source.
    • Update HAL_LPTIM_Init() API
  • Correct the input1source and input2source selection
    • Update LL_LPTIM_SetInput1Src and LL_LPTIM_SetInput2Src
      • Remove WRITE_REG and replace it by MODIFY_REG
• HAL/LL RTC update
  • Update API HAL_RTC_SetAlarm_IT() to allow changing alarm time “on the fly” simply by calling the API again.
  • Update API LL_RTC_BKP_SetRegister() and API LL_RTC_BKP_GetRegister() to comply to rules 2.2 and 13.2 of MISRAC-2012.
• HAL SPI update
  • Update the “Rx DMA transfer complete callback” to disable the Tx DMA request only in case of full-duplex mode and not it in half-duplex mode.
• HAL TIM update
  • Update Encoder interface mode to keep TIM_CCER_CCxNP bits low
    • Add TIM_ENCODERINPUTPOLARITY_RISING and TIM_ENCODERINPUTPOLARITY_FALLING definitions to determine encoder input polarity.
    • Add IS_TIM_ENCODERINPUT_POLARITY() macro to check the encoder input polarity.
    • Update HAL_TIM_Encoder_Init() API
      • Replace IS_TIM_IC_POLARITY() macro by IS_TIM_ENCODERINPUT_POLARITY() macro.
  • Provide new API to set and clear UIFREMAP
    • Add new definition for TIM Update Interrupt Flag Remap
      • TIM_UIFREMAP_DISABLE
      • TIM_UIFREMAP_ENABLE
    • Add new macro in HAL driver to enable and desable the Update Interrupt Flag Remap
      • __HAL_TIM_UIFREMAP_ENABLE()
      • __HAL_TIM_UIFREMAP_DISABLE()/__HAL_TIM_GET_UIFCPY macro
    • Add new mechanism to check whether the update interrupt flag (UIF) copy is set or not
      • Add the __HAL_TIM_GET_UIFCPY() macro in the HAL driver
      • Add LL_TIM_IsActiveUIFCPY() API in the LL driver
    • Add new macro to check on the Update Interrupt Flag Remap mode
      • IS_TIM_UIFREMAP_MODE()
  • Remove useless TIM trigger selector
  • Fix bug when using multiple DMA request to different channels of same timer
    • Introduce DMA burst state management mechanism
      • Add a new structure for DMA Burst States definition : HAL_TIM_DMABurstStateTypeDef
      • Update __HAL_TIM_RESET_HANDLE_STATE to support DMABurstState
      • Add a new API HAL_TIM_DMABurstState() to get the actual state of a DMA burst operation
      • Add DMABurstState, the DMA burst operation state, in the TIM_HandleTypeDef structure
      • Add new API TIM_DMAErrorCCxN() for TIM DMA error callback (complementary channel)
      • Add new API TIM_DMADelayPulseNCplt() for TIM DMA Delay Pulse complete callback (complementary channel)
  • Implement TIM channel state management mechanism
    • Add new macro
      • TIM_CHANNEL_STATE_SET_ALL and TIM_CHANNEL_N_STATE_SET_ALL
      • TIM_CHANNEL_STATE_SET and TIM_CHANNEL_N_STATE_SET
      • TIM_CHANNEL_STATE_GET and TIM_CHANNEL_N_STATE_GET
    • Add new API HAL_TIM_GetActiveChannel()
    • Add new API HAL_TIM_GetChannelState() to get actual state of the TIM channel
    • Add a new structure for TIM channel States definition : HAL_TIM_ChannelStateTypeDef
    • Update __HAL_TIM_RESET_HANDLE_STATE to support ChannelState and ChannelNState
    • Add a new element in the TIM_HandleTypeDef structure : ChannelState to manage TIM channel operation stat.
    • Add a new element in the TIM_HandleTypeDef structure : ChannelNState to manage TIM complementary channel operation state
• HAL/LL USART update
  • Add support to the Receiver Timeout Interrupt in the HAL_USART_IRQHandler
  • Fix wrong value for SlaveMode field in USART handle after HAL_USARTEx_DisableSlaveMode() call
    • Set USART_SLAVEMODE_DISABLE instead of USART_SLAVEMODE_ENABLE
• HAL USB update
  • Improve USB endpoint out re-enabling with double-buffer mode.
• LL UTILS update
  • API UTILS_SetFlashLatency() renamed LL_SetFlashLatency() and set exportable.
  • API LL_PLL_ConfigSystemClock_HSI() and API LL_PLL_ConfigSystemClock_HSE() updated to set back the AHB prescaler to 1 after it has been temporarily set to 2 to avoid undershoot when configuring PLL at high frequencies.

Development Toolchains and Compilers

• IAR Embedded Workbench for ARM (EWARM) toolchain V8.32.3
• RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.27.1
• STM32CubeIDE toolchain v1.3.0

Supported Devices

• STM32G431/41xx
• STM32G471xx
• STM32G473/83xx
• STM32G474/84xx

Main Changes

Maintenance Release

Maintenance release of HAL (Hardware Abstraction Layer) and LL (Low layers) drivers to support STM32G431/41xx, STM32G471xx, STM32G473/83xx and STM32G474/84xx.

Contents

Additional features and changes :

Headline
General: Support of device STM32G483xx in HAL and LL drivers
COMP: Suppress Deglitcher mode - Not supported on STM32G4 series
HAL: Change naming of the IRQn 2 to RTC_TAMP_LSECSS_IRQn
HRTIM: HRTIM_OUTPUTRESET_TIMAEVx renamed to HRTIM_OUTPUTRESET_TIMEVx
TIM: Add new macro to configure fast mode
TIM: Master Slave Mode (MSM) is now configurable

Bugs fix :

Headline
General : redefinition of registers with adjusted address MUST be volatile
DMA : DMA2 instance cannot be configured in LL drivers
GPIO: HAL_GPIO_DeInit() bug on EXTI management
GPIO: Compilation warning with IAR v8.30
HAL: Correct potential issue within HAL_SetTickFreq() function
HRTIM: HRTIM_TIMxCR.DELCMP isn’t systematically programmed
HRTIM: Fault source programming isn’t wrong in HAL_HRTIM_FaultConfig
HRTIM : Useless Assignment at function HAL_HRTIM_SimpleOCChannelConfig
RCC: Should not overwrite Tick priority
RTC: HAL_RTCEx_SetWakeUpTimer WUTWF management reworked to be aligned with Reference Manual
RTC: INITF can rise too early when entering init mode just after exiting
RTC : fix issue in define with STM32L4 LL RTC month macros
RTC : Remove ALRBWF and ALRAWF bits
TIM: CodeSonar warnings about useless assignment in HAL_TIMEx_ConfigBreakInput()

Development Toolchains and Compilers

• IAR Embedded Workbench for ARM (EWARM) toolchain V8.20.2
• RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.25
• System Workbench STM32 (SW4STM32) toolchain V2.7.2

Supported Devices

• STM32G431/41xx
• STM32G471xx
• STM32G473/83xx
• STM32G474/84xx

Main Changes

First release

First official release of HAL (Hardware Abstraction Layer) and LL (Low layers) drivers to support STM32G431/41xx, STM32G471xx, STM32G473/83xx and STM32G474/84xx.

Development Toolchains and Compilers

• IAR Embedded Workbench for ARM (EWARM) toolchain V8.20.2
• RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.25
• System Workbench STM32 (SW4STM32) toolchain V2.7.2

Supported Devices

• STM32G431/41xx
• STM32G471xx
• STM32G473xx
• STM32G474/84xx