SYSTEM - System Utils#

System API.

This module contains functions to read information such as RAM and Flash size, device unique ID, chip revision, family, and part number from DEVINFO and SCB blocks. Functions to configure and read status from FPU are available for compatible devices.

Modules#

SYSTEM_ChipRevision_TypeDef

SYSTEM_CalAddrVal_TypeDef

Enumerations#

enum

SYSTEM_PartFamily_TypeDef {

systemPartFamilyEfm32Gecko = _DEVINFO_PART_DEVICE_FAMILY_EFM32G

systemPartFamilyEfm32Giant = _DEVINFO_PART_DEVICE_FAMILY_EFM32GG

systemPartFamilyEfm32Giant11B = _DEVINFO_PART_DEVICE_FAMILY_EFM32GG11B

systemPartFamilyEfm32Giant12B = _DEVINFO_PART_DEVICE_FAMILY_EFM32GG12B

systemPartFamilyEfm32Tiny = _DEVINFO_PART_DEVICE_FAMILY_EFM32TG

systemPartFamilyEfm32Tiny11B = _DEVINFO_PART_DEVICE_FAMILY_EFM32TG11B

systemPartFamilyEfm32Leopard = _DEVINFO_PART_DEVICE_FAMILY_EFM32LG

systemPartFamilyEfm32Wonder = _DEVINFO_PART_DEVICE_FAMILY_EFM32WG

systemPartFamilyEfm32Zero = _DEVINFO_PART_DEVICE_FAMILY_EFM32ZG

systemPartFamilyEfm32Happy = _DEVINFO_PART_DEVICE_FAMILY_EFM32HG

systemPartFamilyEfm32Pearl1B = _DEVINFO_PART_DEVICE_FAMILY_EFM32PG1B

systemPartFamilyEfm32Jade1B = _DEVINFO_PART_DEVICE_FAMILY_EFM32JG1B

systemPartFamilyEfm32Pearl12B = _DEVINFO_PART_DEVICE_FAMILY_EFM32PG12B

systemPartFamilyEfm32Jade12B = _DEVINFO_PART_DEVICE_FAMILY_EFM32JG12B

systemPartFamilyEzr32Wonder = _DEVINFO_PART_DEVICE_FAMILY_EZR32WG

systemPartFamilyEzr32Leopard = _DEVINFO_PART_DEVICE_FAMILY_EZR32LG

systemPartFamilyEzr32Happy = _DEVINFO_PART_DEVICE_FAMILY_EZR32HG

systemPartFamilyMighty1P = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG1P

systemPartFamilyMighty1B = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG1B

systemPartFamilyMighty1V = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG1V

systemPartFamilyBlue1P = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG1P

systemPartFamilyBlue1B = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG1B

systemPartFamilyBlue1V = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG1V

systemPartFamilyFlex1P = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG1P

systemPartFamilyFlex1B = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG1B

systemPartFamilyFlex1V = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG1V

systemPartFamilyMighty12P = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG12P

systemPartFamilyMighty12B = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG12B

systemPartFamilyMighty12V = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG12V

systemPartFamilyBlue12P = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG12P

systemPartFamilyBlue12B = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG12B

systemPartFamilyBlue12V = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG12V

systemPartFamilyFlex12P = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG12P

systemPartFamilyFlex12B = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG12B

systemPartFamilyFlex12V = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG12V

systemPartFamilyMighty13P = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG13P

systemPartFamilyMighty13B = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG13B

systemPartFamilyMighty13V = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG13V

systemPartFamilyBlue13P = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG13P

systemPartFamilyBlue13B = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG13B

systemPartFamilyBlue13V = _DEVINFO_PART_DEVICE_FAMILY_EFR32BG13V

systemPartFamilyFlex13P = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG13P

systemPartFamilyFlex13B = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG13B

systemPartFamilyFlex13V = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG13V

systemPartFamilyZen13P = _DEVINFO_PART_DEVICE_FAMILY_EFR32ZG13P

systemPartFamilyZen13L = _DEVINFO_PART_DEVICE_FAMILY_EFR32ZG13L

systemPartFamilyZen13S = _DEVINFO_PART_DEVICE_FAMILY_EFR32ZG13S

systemPartFamilyMighty14P = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG14P

systemPartFamilyMighty14B = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG14B

systemPartFamilyMighty14V = _DEVINFO_PART_DEVICE_FAMILY_EFR32MG14V

systemPartFamilyFlex14P = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG14P

systemPartFamilyFlex14B = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG14B

systemPartFamilyFlex14V = _DEVINFO_PART_DEVICE_FAMILY_EFR32FG14V

systemPartFamilyZen14P = _DEVINFO_PART_DEVICE_FAMILY_EFR32ZG14P

systemPartFamilyGecko = _DEVINFO_PART_DEVICE_FAMILY_G

systemPartFamilyGiant = _DEVINFO_PART_DEVICE_FAMILY_GG

systemPartFamilyTiny = _DEVINFO_PART_DEVICE_FAMILY_TG

systemPartFamilyLeopard = _DEVINFO_PART_DEVICE_FAMILY_LG

systemPartFamilyWonder = _DEVINFO_PART_DEVICE_FAMILY_WG

systemPartFamilyZero = _DEVINFO_PART_DEVICE_FAMILY_ZG

systemPartFamilyHappy = _DEVINFO_PART_DEVICE_FAMILY_HG

systemPartFamilyUnknown = 0xFF

}

Family identifiers.

enum

SYSTEM_FpuAccess_TypeDef {

fpuAccessDenied = (0x0 << 20)

fpuAccessPrivilegedOnly = (0x5 << 20)

fpuAccessReserved = (0xA << 20)

fpuAccessFull = (0xF << 20)

}

Floating point co-processor access modes.

enum

SYSTEM_SecurityCapability_TypeDef {

securityCapabilityUnknown

securityCapabilityNA

securityCapabilityBasic

securityCapabilityRoT

securityCapabilitySE

securityCapabilityVault

}

Family security capability.

Functions#

void

SYSTEM_ChipRevisionGet(SYSTEM_ChipRevision_TypeDef *rev)

Get a chip major/minor revision.

bool

SYSTEM_GetCalibrationValue(volatile uint32_t *regAddress)

Get a factory calibration value for a given peripheral register.

SYSTEM_SecurityCapability_TypeDef

SYSTEM_GetSecurityCapability(void)

Get family security capability.

uint64_t

SYSTEM_GetUnique(void)

Get the unique number for this device.

uint8_t

SYSTEM_GetProdRev(void)

Get the production revision for this part.

uint32_t

SYSTEM_GetSRAMBaseAddress(void)

Get the SRAM Base Address.

uint16_t

SYSTEM_GetSRAMSize(void)

Get the SRAM size (in KB).

uint16_t

SYSTEM_GetFlashSize(void)

Get the flash size (in KB).

uint32_t

SYSTEM_GetFlashPageSize(void)

Get the flash page size in bytes.

uint16_t

SYSTEM_GetPartNumber(void)

Get the MCU part number.

uint8_t

SYSTEM_GetCalibrationTemperature(void)

Get the calibration temperature (in degrees Celsius).

SYSTEM_PartFamily_TypeDef

SYSTEM_GetFamily(void)

Get the MCU family identifier.

void

SYSTEM_FpuAccessModeSet(SYSTEM_FpuAccess_TypeDef accessMode)

Set floating point co-processor (FPU) access mode.

Enumeration Documentation#

SYSTEM_PartFamily_TypeDef#

SYSTEM_PartFamily_TypeDef

Family identifiers.

Enumerator
systemPartFamilyEfm32Gecko	EFM32 Gecko Device Family.
systemPartFamilyEfm32Giant	EFM32 Giant Gecko Series 0 Device Family.
systemPartFamilyEfm32Giant11B	EFM32 Giant Gecko Series 1 Configuration 1 Basic Device Family.
systemPartFamilyEfm32Giant12B	EFM32 Giant Gecko Series 1 Configuration 2 Basic Device Family.
systemPartFamilyEfm32Tiny	EFM32 Tiny Gecko Device Family.
systemPartFamilyEfm32Tiny11B	EFM32 Tiny Gecko 11 Device Family.
systemPartFamilyEfm32Leopard	EFM32 Leopard Gecko Device Family.
systemPartFamilyEfm32Wonder	EFM32 Wonder Gecko Device Family.
systemPartFamilyEfm32Zero	EFM32 Zero Gecko Device Family.
systemPartFamilyEfm32Happy	EFM32 Happy Gecko Device Family.
systemPartFamilyEfm32Pearl1B	EFM32 Pearl Gecko Series 1 Configuration 1 Basic Device Family.
systemPartFamilyEfm32Jade1B	EFM32 Jade Gecko Series 1 Configuration 1 Basic Device Family.
systemPartFamilyEfm32Pearl12B	EFM32 Pearl Gecko Series 1 Configuration 2 Basic Device Family.
systemPartFamilyEfm32Jade12B	EFM32 Jade Gecko Series 1 Configuration 2 Basic Device Family.
systemPartFamilyEzr32Wonder	EZR32 Wonder Device Family.
systemPartFamilyEzr32Leopard	EZR32 Leopard Device Family.
systemPartFamilyEzr32Happy	EZR32 Happy Device Family.
systemPartFamilyMighty1P	EFR32 Mighty Gecko Series 1 Configuration 1 Premium Device Family.
systemPartFamilyMighty1B	EFR32 Mighty Gecko Series 1 Configuration 1 Basic Device Family.
systemPartFamilyMighty1V	EFR32 Mighty Gecko Series 1 Configuration 1 Value Device Family.
systemPartFamilyBlue1P	EFR32 Blue Gecko Series 1 Configuration 1 Premium Device Family.
systemPartFamilyBlue1B	EFR32 Blue Gecko Series 1 Configuration 1 Basic Device Family.
systemPartFamilyBlue1V	EFR32 Blue Gecko Series 1 Configuration 1 Value Device Family.
systemPartFamilyFlex1P	EFR32 Flex Gecko Series 1 Configuration 1 Premium Device Family.
systemPartFamilyFlex1B	EFR32 Flex Gecko Series 1 Configuration 1 Basic Device Family.
systemPartFamilyFlex1V	EFR32 Flex Gecko Series 1 Configuration 1 Value Device Family.
systemPartFamilyMighty12P	EFR32 Mighty Gecko Series 1 Configuration 2 Premium Device Family.
systemPartFamilyMighty12B	EFR32 Mighty Gecko Series 1 Configuration 2 Basic Device Family.
systemPartFamilyMighty12V	EFR32 Mighty Gecko Series 1 Configuration 2 Value Device Family.
systemPartFamilyBlue12P	EFR32 Blue Gecko Series 1 Configuration 2 Premium Device Family.
systemPartFamilyBlue12B	EFR32 Blue Gecko Series 1 Configuration 2 Basic Device Family.
systemPartFamilyBlue12V	EFR32 Blue Gecko Series 1 Configuration 2 Value Device Family.
systemPartFamilyFlex12P	EFR32 Flex Gecko Series 1 Configuration 2 Premium Device Family.
systemPartFamilyFlex12B	EFR32 Flex Gecko Series 1 Configuration 2 Basic Device Family.
systemPartFamilyFlex12V	EFR32 Flex Gecko Series 1 Configuration 2 Value Device Family.
systemPartFamilyMighty13P	EFR32 Mighty Gecko Series 1 Configuration 3 Premium Device Family.
systemPartFamilyMighty13B	EFR32 Mighty Gecko Series 1 Configuration 3 Basic Device Family.
systemPartFamilyMighty13V	EFR32 Mighty Gecko Series 1 Configuration 3 Value Device Family.
systemPartFamilyBlue13P	EFR32 Blue Gecko Series 1 Configuration 3 Premium Device Family.
systemPartFamilyBlue13B	EFR32 Blue Gecko Series 1 Configuration 3 Basic Device Family.
systemPartFamilyBlue13V	EFR32 Blue Gecko Series 1 Configuration 3 Value Device Family.
systemPartFamilyFlex13P	EFR32 Flex Gecko Series 1 Configuration 3 Premium Device Family.
systemPartFamilyFlex13B	EFR32 Flex Gecko Series 1 Configuration 3 Basic Device Family.
systemPartFamilyFlex13V	EFR32 Flex Gecko Series 1 Configuration 3 Value Device Family.
systemPartFamilyZen13P	EFR32 Zen Gecko Series 1 Configuration 3 Premium Device Family.
systemPartFamilyZen13L	EFR32 Zen Gecko Series 1 Configuration 3 Led Device Family.
systemPartFamilyZen13S	EFR32 Zen Gecko Series 1 Configuration 3 Sensor Device Family.
systemPartFamilyMighty14P	EFR32 Mighty Gecko Series 1 Configuration 4 Premium Device Family.
systemPartFamilyMighty14B	EFR32 Mighty Gecko Series 1 Configuration 4 Basic Device Family.
systemPartFamilyMighty14V	EFR32 Mighty Gecko Series 1 Configuration 4 Value Device Family.
systemPartFamilyFlex14P	EFR32 Flex Gecko Series 1 Configuration 4 Premium Device Family.
systemPartFamilyFlex14B	EFR32 Flex Gecko Series 1 Configuration 4 Basic Device Family.
systemPartFamilyFlex14V	EFR32 Flex Gecko Series 1 Configuration 4 Value Device Family.
systemPartFamilyZen14P	EFR32 Zen Gecko Series 1 Configuration 4 Premium Device Family.
systemPartFamilyGecko	Gecko Device Family.
systemPartFamilyGiant	Giant Gecko Device Family.
systemPartFamilyTiny	Tiny Gecko Device Family.
systemPartFamilyLeopard	Leopard Gecko Device Family.
systemPartFamilyWonder	Wonder Gecko Device Family.
systemPartFamilyZero	Zero Gecko Device Family.
systemPartFamilyHappy	Happy Gecko Device Family.
systemPartFamilyUnknown	Unknown Device Family.

Definition at line 57 of file platform/emlib/inc/em_system.h

SYSTEM_FpuAccess_TypeDef#

SYSTEM_FpuAccess_TypeDef

Floating point co-processor access modes.

Enumerator
fpuAccessDenied	Access denied, any attempted access generates a NOCP UsageFault.
fpuAccessPrivilegedOnly	Privileged access only, an unprivileged access generates a NOCP UsageFault.
fpuAccessReserved	Reserved.
fpuAccessFull	Full access.

Definition at line 306 of file platform/emlib/inc/em_system.h

SYSTEM_SecurityCapability_TypeDef#

SYSTEM_SecurityCapability_TypeDef

Family security capability.

Enumerator
securityCapabilityUnknown	Unknown security capability.
securityCapabilityNA	Security capability not applicable.
securityCapabilityBasic	Basic security capability.
securityCapabilityRoT	Root of Trust security capability.
securityCapabilitySE	Secure Element security capability.
securityCapabilityVault	Secure Vault security capability.

Definition at line 50 of file platform/emlib/inc/em_system_generic.h

Function Documentation#

SYSTEM_ChipRevisionGet#

void SYSTEM_ChipRevisionGet (SYSTEM_ChipRevision_TypeDef * rev)

Get a chip major/minor revision.

Parameters

[out]

rev

A location to place the chip revision information.

Definition at line 69 of file platform/emlib/src/em_system.c

SYSTEM_GetCalibrationValue#

bool SYSTEM_GetCalibrationValue (volatile uint32_t * regAddress)

Get a factory calibration value for a given peripheral register.

Parameters

[in]

regAddress

The peripheral calibration register address to get a calibration value for. If the calibration value is found, this register is updated with the calibration value.

Returns

True if a calibration value exists, false otherwise.

Definition at line 123 of file platform/emlib/src/em_system.c

SYSTEM_GetSecurityCapability#

SYSTEM_SecurityCapability_TypeDef SYSTEM_GetSecurityCapability (void )

Get family security capability.

Parameters

N/A

Note

This function retrieves the family security capability based on the device number. The device number is one letter and 3 digits: DEVICENUMBER = (alpha-'A')*1000 + numeric. i.e. 0d = "A000"; 1123d = "B123". The security capabilities are represented by SYSTEM_SecurityCapability_TypeDef.

Returns

Security capability of MCU.

Definition at line 165 of file platform/emlib/src/em_system.c

SYSTEM_GetUnique#

uint64_t SYSTEM_GetUnique (void )

Get the unique number for this device.

Parameters

N/A

Returns

Unique number for this device.

Definition at line 216 of file platform/emlib/src/em_system.c

SYSTEM_GetProdRev#

uint8_t SYSTEM_GetProdRev (void )

Get the production revision for this part.

Parameters

N/A

Returns

Production revision for this part.

Definition at line 236 of file platform/emlib/src/em_system.c

SYSTEM_GetSRAMBaseAddress#

uint32_t SYSTEM_GetSRAMBaseAddress (void )

Get the SRAM Base Address.

Parameters

N/A

Note

This function is used to retrieve the base address of the SRAM.

Returns

Base address SRAM (32-bit unsigned integer).

Definition at line 259 of file platform/emlib/src/em_system.c

SYSTEM_GetSRAMSize#

uint16_t SYSTEM_GetSRAMSize (void )

Get the SRAM size (in KB).

Parameters

N/A

Note

This function retrieves SRAM size by reading the chip device info structure. If your binary is made for one specific device only, use SRAM_SIZE instead.

Returns

Size of internal SRAM (in KB).

Definition at line 276 of file platform/emlib/src/em_system.c

SYSTEM_GetFlashSize#

uint16_t SYSTEM_GetFlashSize (void )

Get the flash size (in KB).

Parameters

N/A

Note

This function retrieves flash size by reading the chip device info structure. If your binary is made for one specific device only, use FLASH_SIZE instead.

Returns

Size of internal flash (in KB).

Definition at line 310 of file platform/emlib/src/em_system.c

SYSTEM_GetFlashPageSize#

uint32_t SYSTEM_GetFlashPageSize (void )

Get the flash page size in bytes.

Parameters

N/A

Note

This function retrieves flash page size by reading the chip device info structure. If your binary is made for one specific device only, use FLASH_PAGE_SIZE instead.

Returns

Page size of internal flash in bytes.

Definition at line 335 of file platform/emlib/src/em_system.c

SYSTEM_GetPartNumber#

uint16_t SYSTEM_GetPartNumber (void )

Get the MCU part number.

Parameters

N/A

Returns

The part number of MCU.

Definition at line 374 of file platform/emlib/src/em_system.c

SYSTEM_GetCalibrationTemperature#

uint8_t SYSTEM_GetCalibrationTemperature (void )

Get the calibration temperature (in degrees Celsius).

Parameters

N/A

Returns

Calibration temperature in Celsius.

Definition at line 394 of file platform/emlib/src/em_system.c

SYSTEM_GetFamily#

SYSTEM_PartFamily_TypeDef SYSTEM_GetFamily (void )

Get the MCU family identifier.

Parameters

N/A

Note

This function retrieves family ID by reading the chip's device info structure in flash memory. Users can retrieve family ID directly by reading DEVINFO->PART item and decode with mask and shift #defines defined in <part_family>_devinfo.h (refer to code below for details).

Returns

Family identifier of MCU.

Definition at line 421 of file platform/emlib/src/em_system.c

SYSTEM_FpuAccessModeSet#

void SYSTEM_FpuAccessModeSet (SYSTEM_FpuAccess_TypeDef accessMode)

Set floating point co-processor (FPU) access mode.

Parameters

[in]

accessMode

Floating point co-processor access mode. See SYSTEM_FpuAccess_TypeDef for details.

Definition at line 350 of file platform/emlib/inc/em_system.h