Detailed Description

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 the DEVINFO and SCB blocks. Functions to configure and read status from the FPU are available for compatible devices.

Data Structures
struct	SYSTEM_CalAddrVal_TypeDef

struct	SYSTEM_ChipRevision_TypeDef

Enumerations
enum	SYSTEM_PartFamily_TypeDef { systemPartFamilyEfm32Gecko = _DEVINFO_PART_DEVICE_FAMILY_EFM32G, systemPartFamilyEfm32Giant = _DEVINFO_PART_DEVICE_FAMILY_EFM32GG, systemPartFamilyEfm32Tiny = _DEVINFO_PART_DEVICE_FAMILY_EFM32TG, systemPartFamilyEfm32Leopard = _DEVINFO_PART_DEVICE_FAMILY_EFM32LG, systemPartFamilyEfm32Wonder = _DEVINFO_PART_DEVICE_FAMILY_EFM32WG, systemPartFamilyEfm32Zero = _DEVINFO_PART_DEVICE_FAMILY_EFM32ZG, systemPartFamilyEfm32Happy = _DEVINFO_PART_DEVICE_FAMILY_EFM32HG, systemPartFamilyEzr32Wonder = _DEVINFO_PART_DEVICE_FAMILY_EZR32WG, systemPartFamilyEzr32Leopard = _DEVINFO_PART_DEVICE_FAMILY_EZR32LG, systemPartFamilyEzr32Happy = _DEVINFO_PART_DEVICE_FAMILY_EZR32HG, 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 }

Functions
void	SYSTEM_ChipRevisionGet (SYSTEM_ChipRevision_TypeDef *rev)
	Get chip major/minor revision. More...

__STATIC_INLINE uint8_t	SYSTEM_GetCalibrationTemperature (void)
	Get the calibration temperature (in degrees Celsius). More...

bool	SYSTEM_GetCalibrationValue (volatile uint32_t *regAddress)
	Get factory calibration value for a given peripheral register. More...

__STATIC_INLINE SYSTEM_PartFamily_TypeDef	SYSTEM_GetFamily (void)
	Get family identifier of the MCU. More...

__STATIC_INLINE uint32_t	SYSTEM_GetFlashPageSize (void)
	Get the flash page size in bytes. More...

__STATIC_INLINE uint16_t	SYSTEM_GetFlashSize (void)
	Get the flash size (in KB). More...

__STATIC_INLINE uint16_t	SYSTEM_GetPartNumber (void)
	Get part number of the MCU. More...

__STATIC_INLINE uint8_t	SYSTEM_GetProdRev (void)
	Get the production revision for this part. More...

__STATIC_INLINE uint16_t	SYSTEM_GetSRAMSize (void)
	Get the SRAM size (in KB). More...

__STATIC_INLINE uint64_t	SYSTEM_GetUnique (void)
	Get the unique number for this device. More...

Enumeration Type Documentation

enum SYSTEM_PartFamily_TypeDef

Family identifiers.

Enumerator
systemPartFamilyEfm32Gecko	EFM32 Gecko Device Family
systemPartFamilyEfm32Giant	EFM32 Giant Gecko Device Family
systemPartFamilyEfm32Tiny	EFM32 Tiny Gecko 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
systemPartFamilyEzr32Wonder	EZR32 Wonder Device Family
systemPartFamilyEzr32Leopard	EZR32 Leopard Device Family
systemPartFamilyEzr32Happy	EZR32 Happy 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. The family id is missing on unprogrammed parts.

Definition at line 64 of file em_system.h.

Function Documentation

void SYSTEM_ChipRevisionGet ( SYSTEM_ChipRevision_TypeDef * rev )

Get chip major/minor revision.

Parameters

[out] rev Location to place chip revision info.

Definition at line 58 of file em_system.c.

References _ROMTABLE_PID0_FAMILYLSB_MASK, _ROMTABLE_PID0_FAMILYLSB_SHIFT, _ROMTABLE_PID0_REVMAJOR_MASK, _ROMTABLE_PID0_REVMAJOR_SHIFT, _ROMTABLE_PID1_FAMILYMSB_MASK, _ROMTABLE_PID1_FAMILYMSB_SHIFT, _ROMTABLE_PID2_REVMINORMSB_MASK, _ROMTABLE_PID2_REVMINORMSB_SHIFT, _ROMTABLE_PID3_REVMINORLSB_MASK, _ROMTABLE_PID3_REVMINORLSB_SHIFT, SYSTEM_ChipRevision_TypeDef::family, SYSTEM_ChipRevision_TypeDef::major, SYSTEM_ChipRevision_TypeDef::minor, and ROMTABLE.

Referenced by CHIP_Init(), and USBD_Init().

__STATIC_INLINE uint8_t SYSTEM_GetCalibrationTemperature ( void )

Get the calibration temperature (in degrees Celsius).

Returns: The calibration temperature in Celsius.

Definition at line 466 of file em_system.h.

References _DEVINFO_CAL_TEMP_MASK, _DEVINFO_CAL_TEMP_SHIFT, and DEVINFO.

bool SYSTEM_GetCalibrationValue ( volatile uint32_t * regAddress )

Get factory calibration value for a given peripheral register.

Parameters

[in] regAddress Peripheral calibration register address to get calibration value for. If a calibration value is found then this register is updated with the calibration value.

Returns: True if a calibration value exists, false otherwise.

Definition at line 93 of file em_system.c.

References SYSTEM_CalAddrVal_TypeDef::address, SYSTEM_CalAddrVal_TypeDef::calValue, and DEVINFO_BASE.

__STATIC_INLINE SYSTEM_PartFamily_TypeDef SYSTEM_GetFamily ( void )

Get family identifier of the MCU.

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

Returns: The family identifier of the MCU.

Definition at line 451 of file em_system.h.

References _DEVINFO_PART_DEVICE_FAMILY_MASK, _DEVINFO_PART_DEVICE_FAMILY_SHIFT, and DEVINFO.

__STATIC_INLINE uint32_t SYSTEM_GetFlashPageSize ( void )

Get the flash page size in bytes.

Note: This function retrievs the correct value by reading the chip device info structure. If your binary is made for one specific device only, FLASH_PAGE_SIZE can be used instead.

Returns: The page size of the internal flash in bytes.

Definition at line 383 of file em_system.h.

References _DEVINFO_MEMINFO_FLASH_PAGE_SIZE_MASK, _DEVINFO_MEMINFO_FLASH_PAGE_SIZE_SHIFT, DEVINFO, FLASH_PAGE_SIZE, and SYSTEM_GetProdRev().

__STATIC_INLINE uint16_t SYSTEM_GetFlashSize ( void )

Get the flash size (in KB).

Note: This function retrievs the correct value by reading the chip device info structure. If your binary is made for one specific device only, FLASH_SIZE can be used instead.

Returns: The size of the internal flash (in KB).

Definition at line 356 of file em_system.h.

References _DEVINFO_MSIZE_FLASH_MASK, _DEVINFO_MSIZE_FLASH_SHIFT, _DEVINFO_MSIZE_SRAM_MASK, _DEVINFO_MSIZE_SRAM_SHIFT, DEVINFO, and SYSTEM_GetProdRev().

__STATIC_INLINE uint16_t SYSTEM_GetPartNumber ( void )

Get part number of the MCU.

Returns: The part number of the MCU.

Definition at line 431 of file em_system.h.

References _DEVINFO_PART_DEVICE_NUMBER_MASK, _DEVINFO_PART_DEVICE_NUMBER_SHIFT, and DEVINFO.

__STATIC_INLINE uint8_t SYSTEM_GetProdRev ( void )

Get the production revision for this part.

Returns: Production revision for this part.

Definition at line 303 of file em_system.h.

References _DEVINFO_PART_PROD_REV_MASK, _DEVINFO_PART_PROD_REV_SHIFT, and DEVINFO.

Referenced by CHIP_Init(), SYSTEM_GetFlashPageSize(), SYSTEM_GetFlashSize(), and SYSTEM_GetSRAMSize().

__STATIC_INLINE uint16_t SYSTEM_GetSRAMSize ( void )

Get the SRAM size (in KB).

Note: This function retrievs the correct value by reading the chip device info structure. If your binary is made for one specific device only, SRAM_SIZE can be used instead.

Returns: The size of the internal SRAM (in KB).

Definition at line 321 of file em_system.h.

References _DEVINFO_MSIZE_FLASH_MASK, _DEVINFO_MSIZE_FLASH_SHIFT, _DEVINFO_MSIZE_SRAM_MASK, _DEVINFO_MSIZE_SRAM_SHIFT, DEVINFO, and SYSTEM_GetProdRev().

__STATIC_INLINE uint64_t SYSTEM_GetUnique ( void )

Get the unique number for this device.

Returns: Unique number for this device.

Definition at line 290 of file em_system.h.

References DEVINFO.

Detailed Description

Data Structures

Enumerations

Functions

Enumeration Type Documentation

Function Documentation