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mbed-os/targets/TARGET_Silicon_Labs/TARGET_EFM32/emlib/Changes_emlib.txt

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================ Revision history ============================================
Gecko Platform 2.7.1.0 (32-bit MCU SDK 5.9.1.0)
- No changes.
Gecko Platform 2.7.0.0 (32-bit MCU SDK 5.9.0.0)
* Added
- MSC_MassErase() function is added for Series-2 devices.
- Add remote frame support in EMLIB CAN.
* Fixed
- CHIP_Init() sets HFRCOEM23 clock as TRACECLK.
- EMLIB IADC: The definition of `iadcNegInputGnd` has been modified
to set PINNEG to 1. This prevents a polarity error when performing
IADC conversions between supply pins and ground.
- Fixed conversion of raw data in IADC_ConvertRawDataToResult().
- Fixed issue that could cause dcdcEm01LoadCurrent_mA, a parameter
of EMU_DCDCOptimizeSlice(),to be used before value assignment.
* Deprecated
- Functions in em_msc are placed in flash for Series-0 and
Series-1 devices, except for the EFM32G. MSC_WriteWordFast()
function is deprecated. Calling the MSC_WriteWordFast()
function will have the same effect as calling MSC_WriteWord().
Gecko Platform 2.6.1.0 (32-bit MCU SDK 5.8.1.0)
* Added
- The SE_OTPInit_t-struct has been expanded to include the options
to apply narrow and full-page locks. The documentation of the
existing struct-members has been improved.
* Fixed
- em_letimer: Previously, when calling LETIMER_Init() with
comp0Top=true, the code would always write to the COMP0 or TOP
register even if topValue was zero. This has now been changed
so that the COMP0 or TOP register is written only if the
topValue is != 0. This is to preserve backwards compatibility
with applications that call LETIMER_CompareSet() before
LETIMER_Init().
Gecko Platform 2.6.0.0 (32-bit MCU SDK 5.8.0.0)
* Added
- Added AES PCBC mode to em_crypto.
- Added support for PLFRCO on EFR32xG13 Rev D devices using the
em_cmu API. This oscillator is supported on some Rev D devices.
Note that using PLFRCO on previous revisions will result in an
assertion error, and code trying to enable this oscillator will
block and not return.
- Added support for LFRCO precision configuration for Series 2.
- Added LETIMER_CounterGet() and LETIMER_CounterSet() functions to
em_letimer.
- Added TIMER_SyncWait() function to em_timer.
* Fixed
- Corrected GPIO port D pin count for EFR32xG13, EFR32xG14 and xGM13
devices.
- In the license example for SLSTK3402A_EFM32PG12, reorder calls to
ACMP_Init and ACMP_VASetup in order to avoid ACMP_Init overwriting
registers set by ACMP_VASetup.
- Fixed GPIO availability info in CMSIS device header files for
Series 2.
- Added a workaround for EFM32ZG and EFM32HG devices that deals with a
problem reported in errata EMU_E107. (EMU_E107: An HF-IRQ received
during EM2 or EM3 entry would cause the EMU to ignore the
SLEEPDEEP-flag.)
5.7.0
* Added
- Added general support for EFM32GG12 and EFR32xG21.
- emdbg: Added DBGDisableDebugAccess() for debug lock abstraction.
- emcmu: Added CMUUSHFRCOFreqGet() function for getting current USHFRCO
frequencyon Series 0 and 1.
- empdm: New module supporting PDM (Pulse Density Modulation) peripheral.
- emldma: Added PDM sinal and source selector, added new LDMA descriptor
template for word(32bit) peripheral to memory tranfers.
- emrtc: Added support for all 6 compare channels on Series 1.
- emcmu: Added support for HFBUSPRESC in CMUClockPrescSet() and
CMUClockPrescGet().
- emcmu: Added missing RTCC prescaled clock freq calculation.
- emcmu: Added missing support for LETIMER1.
- emadc: Added support for prescaler and timebase calculation in SYNC mode
for HFPERCCLKdriven ADC.
- Updated multiple modules to use correct HFPER clock tree (A, B or C)
when calling CMUClockFreqGet()function.
- emse: New module, contains API for interfacing with the Secure
Element (SE) peripheral onSeries 2. Module contains functions to get
status information from the SE, interact with debuglocks, and write
keys and user data. The module is also used by mbed TLS when performing
accelerated crypto operations.
* Changed
- emcmu: CMUOscillatorEnable() will wait for the RDY flag to go low when
enable is false andwait is true for Series 1.
- emcmu: CMULFXOInit() will now check if configuration is necessary before
disabling the LFXO. On a soft reset, the LFXO might already be ready for
use with correct tuning values.
- emcmu: CMUHFXOInit() now returns early if HFXO is already selected
as SYSCLK.
- emcmu: Updated max frequency for WS2/1.0V scaling according to latest
datasheets.
* Fixed
- emwdog: Changing default oscillator for the watchdog from 1 kHz ULFRCO
to the 32.768 kHzLFRCO. This change is inside WDOGINITDEFAULT. Make sure
we wait for previous opera-tions to complete before applying any new
configurations to work correctly with the asynchronousperipheral.
- Adding a timeout so operations started when SYNCBUSY stays high will
complete.
- emmsc: Unlock the MSC before write/erase operations and return to the
previous state beforethe function returns.
- emadc: GPBIASACC is set to LOWACC when reading the internal temperature
sensor for Series2.
- emcmu: Fixed bug where HFRCODIV2 remains selected for certain
configurations after theDPLL is initialized.
* Removed
- emcmu: Removed CMUHFCLKLEPRESCREG case from switch statement inside the
functionCMUClockPrescSet(). This switch case is unnecessary since
HFCLKLE prescaler is automaticallyset when the HF clock is changed.
5.6.0
* Added
- EMLIB targets CMSIS version 5.3.0.
- MSC write and erase functions return an error code when the MSC register
interface is locked.
- Added initialization of HYSTERESIS0 and HYSTERESIS1 in ACMPInit() for
series-1 devices.
- Added function to route PRS output to GPIO pins for Series 0 and 1
- Added missing argument to CRYPTOInstructionSequenceExecute() inside
the CRYPTOEXECUTE20macro.
- Added support for setting and getting the LETIMER top value using the
new LETIMERTopGet()and LETIMERTopSet() functions.
- Added new member to the LETIMERInitTypeDef struct called topValue. This
value can beused to initialize the top value when using the LETIMER.
- Added const to CMUDPLLLock() argument and added new default initializer.
- Added handling of CLKIN and HFRCODIV2 in CMU.
- Added support for all 23 PRS channels for EFM32GG11.
- Added full EBI support for EFM32GG11.
* Changed
- Disable WREN in the MSCMassErase() function before returning.
- Added missing call to CMUOscillatorEnable() when HFXO AutoStart is used.
- WDOGnInit() will only wait for synchronization if the peripheral is
already enabled.
- When an instruction fetch results in a bus fault (e.g. from an external
device), the bus fault ispropagated to the core, but at the same time,
the data may be cached. This means that nexttime this instruction
is fetched, the core may get invalid data, but without any bus fault.
ICacheis now flushed at the event of a bus fault to work around this
issue.
- Fixed PCNTnCNTSIZE for multiple families.
5.5.0
* Added
- Added support additional HFPERCLK trees on EFM32 Giant Gecko 11.
- Added autoCsEnable parameter to USARInitSyncTypeDef and
USARTInitAsyncTypeDef forseries 0 parts.
- Added EMURamPowerUp() function for series 1 devices to power up all
SRAM blocks.
- Adding restoring of HFRCO frequency when calling EMUEnterEM2(true)
and voltage scaling is enabled in EM2/EM3.
- Added support for opamp OPA3.
* Fixed
- Fixed issue where TX data could be lost when calling
LEUARTTxDmaInEM2Enable() whentransmitter is enabled and sending data.
- Added support for unaligned data in CRYPTO AES functions.
- In ADC asynchronous clock mode, assert on ADC clock frequency less or
equal to 2/3 of theHFPER clock frequency.
- In ADCInit(), set ADC clock mode for correct ADC instance.
- Change behavior of GPIOEM4SetPinRetention() so it does not overwrite
GPIO retention configwhen SWUNLATCH is already set.
- Check RSTEN before waiting for register synchronization in BURTC module.
- Fixed bug with wait-state handling when low-voltage mode is used in
EM2/EM3. This was fixedby enabling automatic hardware handling of
wait-states.
- Changed minimum ’N’ requirement in CMUDPLLLock() from 32 to greater
than 300.
- Added support for USBLE clock in CMUClockFreqGet().
* Removed
- Removed support for PLFRCO in CMU.
5.4.0
* Added
- Added support for LCD dynamic charge distribution (low power feature).
- Added support for ECC memory initialization using the function
MSCEccConfigSet().
* Fixed
- Fixed bug in assert statement in COREInitNvicVectorTable().
- Fixed hardware bug when switching to EM4S when powering analog peripherals
from DVDD. This bugfix is active for EFM32GG11 and EFM32TG11.
- Ensure that RX/TX is disabled when configuring RX/TX DMA wakeup.
- Fixed bug with wait state handling when MSC is locked.
- Renamed ACMPCTRLPWRSELVREGVDD to ACMPCTRLPWRSELDVDD.
5.3.3
- em_cmu: 48 MHz HFRCO band selectable for devices that support it.
- em_emu: Added macro guards for BU mode functionality for series 0 devices.
5.3.2
- No changes.
5.3.1
- em_opamp: Corrected reload of default calibration trims in OPAMP_Enable()
for Series 0.
- em_core: Fixed invalid parameter in CORE_YIELD_CRITICAL and
CORE_YIELD_ATOMIC macros.
5.3.0
- em_chip: Updated PLFRCO tuning values.
- em_can: Fixed ID filter mask bug.
- em_gpio: Doc updates.
- em_gpio: Fixed bug in GPIO pin validation to enable PD9 on BGM121 modules.
- em_ldma: Added missing signals for EFM32GG11.
5.2.2:
- em_emu: Fixed bug in EMU_EM4Init(), The BUBODRSTDIS field was not initialized
as specified in function input parameters.
5.2.1:
- em_emu: Fixed a problem with handling of DCDC bypass current limiter
that may cause brownout reset.
- em_chip: Added workaround for errata DCDC-E206 for EFR32xG1x devices.
- em_cmu: Fixed handling of HFCLKLE prescaling at frequencies above 64 MHz.
5.2.0:
- em_cmu: Added flash wait state handling for all devices that can scale down
the voltage.
- em_adc: Fixed bug where ADC SINGLECTRLX register fields VREFSEL, PRSSEL and
FIFOOFACT was not cleared when calling ADC_InitSingle().
- em_msc: Removed call to SystemCoreClockGet() in MSC_Init.
- em_msc: MSC_WriteWordFast() can now only be used when executing code from
RAM on parts that include a flash write buffer.
- em_emu: Using VMON calibration values to set voltage thresholds when
calling EMU_VmonInit() and EMU_VmonHystInit(). The DI page contains
calibration values for 1.86 V and 2.98 V for each VMON channel. Updated
VMON supported voltage range to 1.62V-3.4V.
- em_emu: Added EMU_Save() and changed EMU_EnterEM2() and EMU_EnterEM3()
to only save the state if the restore parameter is true.
- em_usart: Fixed USART async baudrate calculation for EFM32HG devices.
The extra fractional bits in the CLKDIV register was not used.
- Added support for EFM32GG11B devices. This includes new modules for
Quad SPI (em_qspi) and CAN (em_can). This also includes
changes to other emlib modules in order to support the changes in the
register interface of the new device.
- em_cmu: Added DPLL support. Added support for asynchronous clocks for
ADC, reference clocks for QSPI and SDIO and USB rate clock. Added
functions to support the USHFRCO and clock select for HFXOX2.
- em_gpio: Using single cycle set and clear of DOUT on platforms
where this is supported.
- em_lesense: Added configuration of DACCHnEN and DACSTARTUP bits in
LESENSE->PERCTRL in LESENSE_Init() and init struct. Also changed
default values for LESENSE_AltExDesc_TypeDef and
LESENSE_ChDesc_TypeDef to be disabled by default.
5.1.3:
- No changes.
5.1.2:
Misc. bugfixes and improvements.
5.1.1:
- Enabled errata CMU_E113 workaround for EFM32GG revE.
5.1.0:
- em_timer: Added support for WTIMER0 and WTIMER1. Added EFM_ASSERT in
em_timer to check that operations on a 16 bit timer is always <= 0xFFFF.
- em_usart: Updated the baudrate sync calculation in USART_BaudrateSyncSet().
The calculated baudrate is not using any fractional bits and it is always
lower than or equal to the specified frequency.
- em_emu: added function EMU_DCDCConductionModeSet() to allow switching
between DCDC Low-Noise Continuous Conduction Mode (CCM) and
Discontinuous Conduction Mode (DCM).
- SYSTEM_GetSRAMSize() updated to return size of SRAM excluding RAMH for EFR32xG1.
- em_csen: Added support for CSEN (Capacitive Sense Module).
- em_adc: updated ADC_PosSel_TypeDef enum names.
- em_vdac: Added support for VDAC (voltage DAC).
- em_smu: Added support for SMU (Security Management Unit) module.
SMU is used to restrict access to device peripherals.
- Updated emlib to use the _SILICON_LABS_32B_SERIES_x,
_SILICON_LABS_32B_SERIES_x_CONFIG and _SILICON_LABS_GECKO_INTERNAL_SDID_x
macros instead of the _SILICON_LABS_32B_PLATFORM_x and
_SILICON_LABS_32B_PLATFORM_x_GEN_x macros.
- em_rtcc: added workarounds for errata RTCC_E203 and RTCC_E204 for
EFR32xG12, EFM32xG12, EFR32xG13 and EFM32xG13 devices.
- em_lesense: added LESENSE_DecoderPrsOut() for configuring PRS output
from the LESENSE decoder on EFM32xG12 and EFR32xG12.
- em_lesense: added support for the new evaluation modes for EFM32xG12 and
EFR32xG12.
- em_emu: added EMU_RamPowerDown() function for powering down a memory range
and deprecating EMU_MemPwrDown().
- em_emu: added support for voltage scaling.
- em_emu: added support for EM2 and 3 peripheral retention control.
- em_chip: added current consumption fixes for EFM32xG12 and EFR32xG12.
- em_emu: added support for DCDC EM01-LP mode.
- em_lesense: Support for Series 1 devices
- em_acmp: Added ACMP_ExternalInputSelect() which is used when the ACMP is
controlled by an external module like LESENSE.
5.0.0:
- em_core: New module, contains API for enabling/disabling interrupts
and implementing critical regions.
em_core replaces em_int which is deprecated and marked for removal in a
later release.
- em_emu: Added EMU_SetBiasMode() for Series 1 Configuration 1 devices.
- em_chip: Adding EMU_E210 errata fix in CHIP_Init().
- em_adc: Changed default value of negSel in ADC_INITSINGLE_DEFAULT
from adcNegSelAPORT0XCH1 to adcNegSelVSS.
- em_emu, em_cmu, em_chip, em_system: Added support for Series 1,
Configuration 2 parts (eg. EFR32MG12)
- em_gpio: Fixed GPIO_ExtIntConfig() to enable correct interrupt number on
Series 1 devices.
- em_ldma: Updated LDMA_Init() and LDMA_StartTransfer() to support pointers
to const memory.
- em_ldma: Adding LDMA_DESCRIPTOR_SINGLE_P2P_BYTE which can be used when
transfering bytes from one peripheral to another peripheral.
- em_i2c: Fixed bug that may clear IEN bits set by the user.
- em_emu: DCDC LN mode RCOBAND is now set based on LNFORCECCM.
- em_emu: Member dcdcLnCompCtrl added to EMU_DCDCInit_TypeDef. This parameter
allows configuraiton of 1uF or 4.7uF DCDC capacitor. 1uF is default for
Series 1 Device Configuration 1 while 4.7 is default for Series 1
Device Configuration 2 and later.
- Updated documentation with more code examples for em_assert, em_common,
em_cryotimer, em_gpcrc, em_ldma, em_msc, em_ramfunc, em_system, em_usart.
4.4.0:
- em_emu: Putting DCDC in bypass mode before entering EM4S.
- em_cmu: In the CMU_HFXOInit_TypeDef struct the following members have been
deprecated and are no longer in use: autoStartEm01, autoSelEm01, and
autoStartSelOnRacWakeup. Any application using the HFXO autostart feature
must use the CMU_HFXOAutostartEnable() function instead.
- em_emu: Updating DCDC LP comparator bias thresholds for EM2/3/4 according to
updated reference manual. The thresholds are compared to the
em234LoadCurrent_uA value of the EMU_DCDCInit_TypeDef struct.
- em_msc: Fix for errata FLASH_E201 - Potential program failure after power on
After a flash write the first word is checked to verify write operation. On
a verification failure the first word is re-programmed.
- em_adc: Enforcing at least 8 cycle aquisition time when reading ADC internal
temp sensor using a 1.25V reference on platform 2 generation 1 devices.
- em_adc: Setting GPBIASACC when initializing measurement of the ADC internal
temp sensor as documented in the reference manual.
- em_emu: Fix for errata EMU_E208 - Occasional Full Reset After Exiting EM4H
- em_cmu: Added the possibility to configure external clock as HFXO
and LFXO source via the CMU_HFXOInit() and CMU_LFXOInit() functions.
- em_emu: Added EMU_EnterEM4H and EMU_EnterEM4S functions.
- Fixed shift bug in ADC_EM2ClockConfig_TypeDef.
- Added bounds check on ADC prescaler.
- Updated ADC_INITSCAN_DEFAULT to match ADC_ScanInputClear().
4.3.1:
- EFR32 and EFM32PG/JG em_cmu: Added automatic switching to HFXO
PEAKDETSHUNTOPTMODE=CMD mode after the first enable. This means automatic
peak detection and shunt current optimization runs at the first call to
CMU_OscillatorEnable(cmuOsc_HFXO, true, true) or
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO) only.
Optimization can be restarted by calling CMU_OscillatorTuningOptimize(). This is
required if the temperature changes by more than 100degC.
- Added CMU_HFXOAutostartEnable() function to support automatic HFXO start and
select.
- Updated default timeouts for CMU_HFXOInit() to optimize HFXO startup
time. The startup time reduction depends on the oscillator specification.
The new defaults are safe for typical oscillator specifications.
- em_ldma: LDMA_StartTransfer() now only enable a DMA channel once.
- em_cmu: Fixed condtitional compilation bug in CMU_ClockSelectGet().
- em_usart: Fixed bug in USART_BaudrateCalc() function.
- em_usart: Improved corner cases in synchrounous baudrate calculation math.
- em_emu.c: EMU_DCDCLnRcoBandSet() calls EMU_DCDCOptimizeSlice() as the slice
configuration depends on RCO band.
4.3.0:
- em_cmu: Removed unused fields from CMU_HFXOInit_TypeDef. The removed fields
are regIshStartup and timeoutWarmSteady.
- em_rtc.h: Added RTC_CounterSet function for modifying the RTC Counter.
- em_burtc.c: Fixed bug when doing low frequency domain synchronization.
- em_gpio.c: Deprecated GPIO_IntConfig(), use new function GPIO_ExtIntConfig()
instead.
- Removed deprecated file em_part.h.
- em_dma.c: Replaced infinite loop on bus errors in default irq handler with
an assert.
- em_gpio.c: Use direct register write instead of BUS API in GPIO_PinModeSet
to prevent glitches.
- Fixed incorrect handling of CMU_CTRL_WSHFLE and CMU_HFPRESC_HFCLKLEPRESC in
em_cmu.c for EFM32 Pearl and Jade Gecko.
- Type enumerations cmuClock_HFLE and cmuSelect_HFCLKLE can now be used for
all families to select or reference the divided down HF clock for LE peripherals.
- Code size optimization in em_cmu.c.
- Added GPCRC support.
- Added support for WARNSEL, WINSEL and WDOGRSTDIS to em_wdog. Added interrupt
functions. Added support for multiple WDOG instances. Deprecated functions
WDOG_Enable(), WDOG_Feed(), WDOG_Init() and WDOG_Lock().
- GPIO_EM4GetPinWakeupCause() now returns the content of the EM4WU field from
the GPIO_IF register for platform 2 devices.
- Added function GPIO_SlewrateSet() to set slewrate for GPIO ports.
- Added fix for GPIO_E201 in CHIP_Init().
- Added function CMU_HFRCOBandGet() and CMU_HFRCOBandSet() for platform 2.
Functions with the same names are present for platform 1, but the parameter
and return types are different. Platform 1 and 2 also do not support the same
HFRCO/AUXHFRCO frequencies.
- Added HFLE wait-state control to CMU_HFRCOBandSet(). This is a bug on
EFM32 Wonder Gecko only as HFLE DIV4 is required at 24MHz, in between the 28HMz
and 21MHz HFRCO bands.
- Fixed reset-cause XMASKs for platform 2, gen 1 parts. Improved
documentation in em_rmu.c.
- Added support for configuring IrDA on USART1 for EFM32 Happy Gecko. The
function USART_InitIrDA() is deprecated, and replaced by USARTn_InitIrDA().
- Added module em_ramfunc. Fixed issue with calls from em_msc RAM code to Flash.
- Updated current limiter threshold equations for LNCLIMILIMSEL, LPCLIMILIMSEL
and DCDCZDETCTRL.
- Member type EMU_DcdcLnTransientMode_TypeDef in EMU_DCDCInit_TypeDef changed to
EMU_DcdcLnReverseCurrentControl_TypeDef to enable support for reverse current
limiter.
- EM2/3 current consumption optimization: Default value
emuDcdcAnaPeripheralPower_AVDD in EMU_DCDCINIT_DEFAULT for EFR32
changed to emuDcdcAnaPeripheralPower_DCDC.
- EM2/3 current consumption optimization: DCDC_LP_NFET_CNT updated to 7
4.2.3:
- Added DMA and LDMA functions to enable/disable channel requests.
4.2.2:
- em_gpio.c: Use direct register write instead of BUS API in GPIO_PinModeSet
to prevent glitches.
4.2.1:
- Added errata fix for an issue that may cause BOD resets in EM2 when using
DCDC-to-DVDD mode. The fix is implemented in EMU_DCDCInit().
- Added function EMU_DCDCPowerOff() for boards with physically disconnected DCDC.
- Current consumption is optimized for DCDC bypass mode. This update is
implemented in EMU_DCDCInit().
4.2.0:
- Updated I2C clock divider equation for platform 2 parts. Added constraints
to HFPER clock frequency in I2C_BusFreqSet().
- EMU EMU_EM23VregMode_TypeDef replaced with a bool.
- Added support for GPIO alternate drive strength and alternate control modes.
- DCDC setup is simplified. More tuning and optimization settings added to
EMU_DCDCInit().
- Added member pinRetentionMode to EMU_EM4Init_TypeDef.
- Added function EMU_UnlatchPinRetention() to support unlatching of pin
retention in EM4H/S.
- Fixed bug in ADC_InitScan() which caused a overwrite of single conversion
mode calibration values.
- Added support for CRYPTO module on EFM32 Pearl and Jade Gecko (em_crypto.c/h).
4.1.1:
- EMU_DCDCInit() updated with new parameters for EM2 and 3. Current consumption
with DCDC at expected levels for EFR32 and EFM32 Pearl and Jade Gecko.
- EMU_DCDCInit_TypeDef updated with more parameters. EMU_DcdcLpcmpBiasMode_TypeDef
is removed.
- More assertions added to EMU_DCDCInit().
- HFXO default parameters updated.
- ADC defaults updated.
- RMU pin mode set fixed.
- Added missing define for cmuSelect_ULFRCO.
- Added missing functions for handling peripheral interrupts.
- Added support for VMON.
4.1.0:
- New signature for RMU_ResetControl() function.
- The typedef EMU_EM23Init_TypeDef which is a parameter to EMU_EM23Init()
has got a new definition.
- Initial support _SILICON_LABS_32B_PLATFORM_2 devices added.
4.0.0:
- Use ARM CMSIS version 4.2.0.
- New style version macros in em_version.h.
3.20.14:
- USB release only.
3.20.13:
- Added new style family #defines in em_system.h, including EZR32 families.
- Fixed I2C_FREQ_STANDARD_MAX macros.
- Fixed bug in MSC_WriteWord which called internal functions that were linked
to flash for armgcc. All subsequent calls of MSC_WriteWord should now be
linked to RAM for all supported compilers. The internals of MSC_WriteWord()
will check the global variable SystemCoreClock in order to make sure the
frequency is high enough for flash operations. If the core clock frequency
is changed, software is responsible for calling MSC_Init or
SystemCoreClockGet in order to set the SystemCoreClock variable to the
correct value.
- Added errata fix IDAC_101.
3.20.12:
- Added errata fix EMU_108.
- #ifdef's now use register defines instead of a mix of register and family defines.
- Added a case for when there are only 4 DMA channels available:
Alignment was (correctly) defined at 7 bit, but got asserted for 8 bit, leading
to unpredictable tripped asserts.
- Added USART_INITPRSTRIGGER_DEFAULT defined structure to support HWCONF.
- Added support for LFC clock tree.
- Added CMU_USHFRCOBandSet() and CMU_USHFRCOBandGet().
3.20.10:
- Maintenance release, no changes.
3.20.9:
- Added support for Happy Gecko including support for the new oscillator USHFRCO.
- Added MSC_WriteWordFast() function. This flash write function has a similar
performance as the old MSC_WriteWord(), but it disables interrupts and
requires a core clock frequency of at least 14MHz. The new MSC_WriteWord()
is slower, but it does not disable interrupts and may be called with core
clock frequencies down to 1MHz.
- Fixed a bug in EMU_EnterEM4() that set other EM4 configuration bits to 0
on EM4 entry.
- Added EMU_EM23Init().
- Fixed a bug in CMU_FlashWaitStateControl() where it failed to set the
required wait-state configuration if the MSC is locked.
- Added EMU interrupt handling functions.
- BURTC_Reset() changed to use async reset RMU_CTRL_BURSTEN instead of
reset value writeback. This makes the function independent of a selected
and enabled clock.
- BURTC_Sync() now returns without waiting for BURTC->SYNCBUSY to clear
when no clock is selected in BURTC_CTRL_CLKSEL.
- Fixed assertion bug in ACMP_ChannelSet() that checked the negSel parameter
against the wrong upper bound.
3.20.7:
- Fixed CMU_MAX_FREQ_HFLE macro for Wonder family.
- Fixed MSC_WriteWord() bug.
- Added syncbusy wait in RTC_Reset() for Gecko family.
3.20.6:
- Corrected fix for Errata EMU_E107.
3.20.5:
- Updated license texts.
- Removed unnecessary fix for Wonder Gecko.
- Updated LFXO temperature compensation in CHIP_Init().
- Changed LESENSE_ScanStart, LESENSE_ScanStop, LESENSE_DecoderStart,
LESENSE_ResultBufferClear() and LESENSE_Reset() functions to wait until
CMD register writes complete in order to make sure CMD register writes do
not break each other, and for register values to be consistent when
returning from functions that write to the CMD register.
- Added fix for Errata EMU_E107.
- Added family to SYSTEM_ChipRevision_TypeDef.
- Fixed bug in function AES_OFB128 which failed on Zero Gecko.
- Fixed RMU_ResetCauseGet() to return correct reset causes.
- Fixed bug in RTC_CounterReset() which failed to reset counter immediately
after return on Gecko devices.
- Added static inline non-blocking USART receive functions (USART_Rx...).
- Added function SYSTEM_GetFamily().
- Added function DAC_ChannelOutputSet().
- Fixed MSC_WriteWord() to not use WDOUBLE if LPWRITE is set.
3.20.2:
- Fixed bug regarding when MEMINFO in DEVINFO was introduced.
The correct crossover is production revision 18.
- Fixed bug in WDOG_Feed() which does not feed the watchdog if the watchdog
is disabled. Previously, the watchdog was broken after WDOG_Feed() fed it
when it was disabled.
- Fixed issue in em_i2c.c, which should set the NACK bit in the I2C CMD
register for the next to last byte received. The exception is when only
one byte is to be received. Then the NACK bit must be set like the
previous code was doing.
- Added function BURTC_ClockFreqGet() in order to determine clock frequency
of BURTC.
- Fixed bug in BURTC_Reset() which made a subsequent call to BURTC_Init hang.
- Added support for the IDAC module on the Zero Gecko family, em_idac.c/h.
- Fixed bug in DAC_PrescaleCalc() which could return higher values than
the maximum prescaler value. The fix makes sure to return the max prescaler
value resulting in possible higher DAC frequency than requested.
- Fixed I2C_BusFreqSet to use documented values for Nlow and Nhigh values,
and do not decrement the div(isor) by one according to the formula because
this resulted in higher I2C bus frequencies than desired.
3.20.0:
- LEUART: Added LEUART_TxDmaInEM2Enable() and LEUART_RxDmaInEM2Enable() for
enabling and disabling DMA LEUART RX and Tx in EM2 support.
3.0.3:
- Internal release for testing Wonder Gecko support.
- SYSTEM: Added function to enable/disable FPU access on Wonder parts,
SYSTEM_FpuAccessModeSet().
- USART: Added USART_SpiTransfer() function.
3.0.2:
- MSC: In MSC_WriteWord(), added support for double word write cycle support
(WDOUBLE) on devices with more than 512KiBytes of Flash memory. This can
almost double the speed of the MSC_WriteWord function for large data sizes.
- MSC: In MSC_ErasePage(), added support for devices with Flash page size
larger than 512 bytes, like Giant and Leopard Gecko.
- CMU: Fixed bug in CMU_ClockDivSet(). Clear HFLE and HFCORECLKLEDIV flags when
the core runs at frequencies up to 32MHz.
- CMU: Fixed bug in CMU_ClockEnable(): Set the HFLE and HFCORECLKLEDIV flags
when the CORE clock runs at frequencies higher than 32MHz.
- CMU: Fixed bug in CMU_ClockSelectSet(): Set HFLE and DIV4 factor for peripheral
clock if HFCORE clock for LE is enabled and the CORE clock runs at
frequencies higher than 32MHz.
- BITBAND: Added BITBAND_PeripheralRead() and BITBAND_SRAMRead() functions.
- DMA: Added #ifndef EXCLUDE_DEFAULT_DMA_IRQ_HANDLER around DMA_IRQHandler in
order for the user to implement a custom IRQ handler or run without a DMA
IRQ handler by defining EXCLUDE_DEFAULT_DMA_IRQ_HANDLER with the -D compiler
option.
- BURTC: In functions BURTC_Init() and BURTC_CompareSet(), moved SYNCBUSY
loops in front of modifications of registers COMP0 and LPMODE.
- MSC: Fixed ram_code section error on Keil toolchain.
- MSC: Removed uneeded code from MSC init and deinit which would have no
effect (Big thanks to Martin Schreiber for reporting this bug!).
- System: Added access functions for reading some values out of the Device
Information page.
3.0.1:
- LFXO fix for Giant family.
- USART: Fix for EFM32TG108Fxx which does not have USART0.
- EBI: The write to the CTRL register now happens before the ROUTE registers
are set. This avoids potential glitches.
- LESENSE: Fix issue when using lesenseAltExMapACMP.
- TIMER: Fix compilation on devices where ADC is not available.
- LCD: Fix bug where Aloc field would not be set to 0.
- BURTC: Fix Reset function by adding reset of COMP0 register and removing
reset of POWERDOWN register. The POWERDOWN register cannot be used to
power up the blocks after it has been powered down.
- CMU: Fixed bug where ClockDivSet, ClockDivGet and ClockFreqGet didn't work for
cmuClock_LCDpre clock. Also corrected 3 wrongly typed constants.
- CMU: Fixed bug where LFBE field in LFCLKSEL was not cleared before setting
bit-value.
- CMU: Fixed bug with CMU_ClockSelectGet. Did not give correct return value
for cmuClock_LFB.
- I2C: Fixed bug where I2C_Init would set divisor depending on the previous
master/slave configuration, not the one set in the initialization.
- I2C: Fixed issue in the function I2C_BusFreqSet (called by I2C_Init). The
input parameter 'I2C_ClockHLR_TypeDef type' was not in use. The fix enables
the parameter to add support for 'i2cClockHLRAsymetric' and 'i2cClockHLRFast'
modes. In order to use 'i2cClockHLRAsymetric' and 'i2cClockHLRFast' the
frequency of the HFPER clock may need to be increased.
- OPAMP: Fixed bug in the function OPAMP_Enable where an incorrect register
was used when setting the OPA2 calibration value.
- LEUART: Fixed issue in LEUART_BaudrateSet when a high clock frequency and a
low baudrate can overflow the clock divisor register (CLKDIV). The fix uses
an assert statement to check whether the calculated clock divisor is out of
range.
- USART: Fixed issue in USART_BaudrateAsyncSet when a high clock frequency and
a low baudrate can overflow the clock divisor register (CLKDIV). The fix uses
an assert statement to check whether the calculated clock divisor is out of
range.
3.0.0:
- efm32lib renamed emlib, as it will include support for non-EFM32 devices
in the future
- Added CMSIS_V3 compatibility fixes, and use of CMSIS_V3 definitions
- See Device/Changes-EnergyMicro.txt for detailed path changes
- New prefixes of all files, efm32_<peripherqal>.c/h to em_<peripheral>.c/h
- New names for readme and changes files
- RMU - BUMODERST not masked away when EM4 bits has been set
- CMU - CMU_LFClkGet now accounts for ULFRCO bit for Tiny Gecko
2.4.1:
- New, open source friendly license
- Fixed BURTC initialization hang if init->enable was false
- Fixed CMU issue with USBC and USB checks not being used correctly
- Added CMU feature, missing TIMER3 support
- Improved accuracy of SPI mode for USART baudrate calculation
- Corrected USBC HFCLKNODIV setting to comply with new header file defines
2.4.0:
- Added efm32_version.h defining software version number
- Added BURTC support for Giant and Leopard Gecko
- Added RMU_ResetControl for BU reset flag
- Added some missing features to EMU for back up domain and EM4 support
- ADC TimebaseCalc(), Giant/Leopard Gecko have max 5 bits in TIMEBASE field
- Removed EMU Backup Power Domain threshold setings from EMU_BUPDInit, added
EMU_BUThresRangeSet() and EMU_BUThresholdSet() API calls. Threshold values
are factory calibrated and should not usually be overridden by the user.
2.3.2:
- Added Tiny Gecko and Giant Gecko support in RMU for new reset causes
- CMU_ClockFreqGet will now report correct clock rates if HFLE is set (/4)
- Added Giant Gecko specific MSC_MassErase(), erase entire flash
- Added Giant Gecko specific MSC_BusStrategy (inline) function
- MSC_Init() will now configure TIMEBASE correctly according to AUXHFRCO clock
rate for Tiny Gecko and Giant Gecko
2.3.0:
- USART - Added USART_InitPrsTrigger to initialize USART PRS triggered
transmissions.
- CMU - numerous updates, now supports full clock tree of Giant/Tiny Gecko
- CMU_ClockDivSet/Get will now use real dividend and not logarithmic values
as earlier. Prior enumerated values have been kept for backward compatibility.
- Added support for CMU HFLE and DIV4 factor for core clock for LE
peripherals
- Added support for alternate LCD segment animation range for Giant Gecko
- Fixed bug: Don't enable VCMP low power reference until after warm up,
allow biasprog value of 0 in VCMP_Init()
- Added support for ALTMAP (256MB address map) in EBI_BankAddress()
- TIMER_Init() will now reset CNT value
2.2.2:
- Added DAC0 channel 0 and 1 to ACMP for Tiny and Giant devices
- Fixed bug in CMU for MSC WAITSTATE configuration, leading to too high wait
states depending on clock rate
- Fixed bug in CMU for UART1 clock enable
2.2.1:
- UART_Reset() and LEUART_Reset() will now reset ROUTE register as well, this
will mean GPIO pins will not be driven after this call. Take care to ensure
that GPIO ROUTE register is configured after calls to *UART_Init*Sync
- Fixed problems with EFM_ASSERT when using UART in USART API
- Added Giant Gecko support for EBI (new modes and TFT direct drive)
- Added Giant Gecko support for CMU 2 WAIT STATES, and I2C1
- Added Giant Gecko support for UART1 in CMU
- Added Giant Gecko support for DMA LOOP and 2D Copy operations
2.1.0:
- EMU_Restore will now disable HFRCO if it was not enabled when entering
an Energy Mode
- Run time changes only applies to Gecko devices, filter out Tiny and Giant
for CHIP_Init();
- Added const specificers to various initialization structures, to ensure
they can reside in flash instead of SRAM
- Bugfix in efm32_i2c.c, keep returning i2cTransferInProgress until done
2.0.1:
- Changed enum OPAMP_PosSel_TypeDef. Enum value opaPosSelOpaIn changed from
DAC_OPA0MUX_POSSEL_OPA1IN to DAC_OPA0MUX_POSSEL_OPA0INP.
- Bugfix in efm32_lesense.h, LESENSE_ChClk_TypeDef now contains unshifted
values, fixed the implementation in efm32_lesense.c where the bug prevented
the sampleClk to be set to AUXHFRCO.
2.0.0:
- USART_Init-functions now calls USART_Reset() which will also disable/reset
interrupt
- USART_BaudrateSyncSet() now asserts on invalid oversample configuration
- Added initialization of parity bit in LEUART_Init()
- Added Tiny Gecko support for CMU, ULFRCO, LESENSE clocks and continuous
calibration
- Added Tiny Gecko support for GPIO, EM4 pin retention and wake up support
- Added Tiny Gecko support for I2S, SPI auto TX mode on USART
- Added Tiny Gecko support for CACHE mesasurements for MSC module
- Added Tiny Gecko support for LCD module (with no HIGH segment registers)
- Added Tiny Gecko support for TIMER, PWM 2x, (DT lock not supported)
- Added Tiny Gecko support for LESENSE module
- Added Tiny Gecko support for PRS input in PCNT
- Added Tiny Gecko support for async signals in PRS, PRS_SourceAsyncSignalSet()
- Initial support for some Giant Gecko features, where overlapping with Tiny
- Removed LPFEN / LPFREQ support from DAC
- Fixed comments around interrupt functions, making it clear it is bitwise
logical or interrupt flags
- Fixed PCNT initialization for external clock configurations, making sure
config is synchronized at startup to 3 clocks. Note fix only works for
>revC EFM32G devices.
- Fixed efm32_cmu.c, EFM_ASSERT statement for LEUART clock div logic was
inverted
- Fixed ADC_InitScan, PRSSEL shift value corrected
- Fixed CMU_ClockFreqGet for devices that do not have I2C
- Fixed I2C_TransferInit for devices with more than one I2C-bus (Giant Gecko)
- Changed ACMP_Disable() implementation, now only disables the ACMP instance
by clearing the EN bit in the CTRL register
- Removed ACMP_DisableNoReset() function
- Fixed ACMP_Init(), removed automatic enabling, added new structure member
"enaReq" for ACMP_Init_TypeDef to control, fixed the EFM_ASSERT of the
biasprog parameter
- Added default configuration macro ACMP_INIT_DEFAULT for ACMP_Init_TypeDef
- Fixed ACMP_CapsenseInit(), removed automatic enabling, added new structure member
"enaReq" for ACMP_CapsenseInit_TypeDef to control, fixed the EFM_ASSERT of
the biasprog parameter
- Changed the name of the default configuration macro for
ACMP_CapsenseInit_TypeDef to ACMP_CAPSENSE_INIT_DEFAULT
- Added RTC_Reset and RTC_CounterReset functions for RTC
1.3.0:
- MSC is automatically enabled/disabled when using the MSC API. This saves
power, and reduces errors due to not calling MSC_Init().
- Added API for controlling Cortex-M3 MPU (memory protection unit)
- Adjusted bit fields to comply with latest CMSIS release, see EFM_CMSIS
changes file for details
- Fixed issue with bit mask clearing in ACMP
- Functions ACMP_Enable and ACMP_DisableNoReset added
- Added comment about rev.C chips in PCNT, CMD_LTOPBIM not neccessary any more
- Added missing instance validity asserts to peripherals (ACMP, LEUART, USART)
- Fixed UART0 check in CMU_ClockFreqGet()
- Fixed command sync for PCNT before setting TOPB value during init
- Fixed instance validity check macro in PCNT
- Fixed TIMER_Reset() removed write to unimplemented timer channel registers
- Fixed EFM_ASSERT statements in ACMP, VCMP
- General code style update: added missing curly braces, default cases, etc.
1.2.1:
- Feature complete efm32lib, now also includes peripheral API for modules
AES,PCNT,MSC,ACMP,VCMP,LCD,EBI
- Fixed _TIMER_CC_CTRL_ICEDGE flags for correct timer configuration
- Fixed ADC calibration of Single and Scan mode of operation
- Added PCNT (ChipRev A/B PCNT0 errata NOT supported) and AES support
- Fixed conditional inclusion in efm32_emu.h
- Fixed code for LEUART0 for devices with multiple LEUARTs.
- Fixed incorrect setting of DOUT for GPIO configuration
1.1.4
- Fix for TIMER_INIT_DEFAULT
1.1.3:
- Added ADC, DAC, LETIMER, PRS, TIMER (except DTI) support
- Added utility for fetching chip revision (efm32_system.c/h)
- Removed RTC instance ref in API, only one RTC will be supported
(Affects also define in efm32_cmu.h)
- Added default init struct macros for LEUART, USART
- Added msbf parameter in USART synchronous init struct, USART_InitSync_TypeDef.
- Updated reset for I2C, USART, LEUART to also reset IEN register.
- Corrected fault in GPIO_PortOutSet()
1.1.2:
- Corrected minor issues in EMU, EM3 mode when restoring clocks
- Corrected RMU reset cause checking
- Changed GPIO enumerator symbols to start with gpio (from GPIO_)
- Changed CMU and WDOG enum typedefs to start with CMU_/WDOG_ (from cmu/wdog)
- Added USART/UART, LEUART, DMA, I2C support
1.1.1:
- First version including support for CMU, DBG, EMU, GPIO, RTC, WDOG
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