SYSCFG

Functions
__STATIC_INLINE void	LL_SYSCFG_SetRemapMemory (uint32_t Memory)
	Set memory mapping at address 0x00000000 SYSCFG_MEMRMP MEM_MODE LL_SYSCFG_SetRemapMemory. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_GetRemapMemory (void)
	Get memory mapping at address 0x00000000 SYSCFG_MEMRMP MEM_MODE LL_SYSCFG_GetRemapMemory. More...
__STATIC_INLINE void	LL_SYSCFG_SetFlashBankMode (uint32_t Bank)
	Select Flash bank mode (Bank flashed at 0x08000000) SYSCFG_MEMRMP FB_MODE LL_SYSCFG_SetFlashBankMode. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_GetFlashBankMode (void)
	Get Flash bank mode (Bank flashed at 0x08000000) SYSCFG_MEMRMP FB_MODE LL_SYSCFG_GetFlashBankMode. More...
__STATIC_INLINE void	LL_SYSCFG_EnableFirewall (void)
	Firewall protection enabled SYSCFG_CFGR1 FWDIS LL_SYSCFG_EnableFirewall. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsEnabledFirewall (void)
	Check if Firewall protection is enabled or not SYSCFG_CFGR1 FWDIS LL_SYSCFG_IsEnabledFirewall. More...
__STATIC_INLINE void	LL_SYSCFG_EnableAnalogBooster (void)
	Enable I/O analog switch voltage booster. More...
__STATIC_INLINE void	LL_SYSCFG_DisableAnalogBooster (void)
	Disable I/O analog switch voltage booster. More...
__STATIC_INLINE void	LL_SYSCFG_EnableFastModePlus (uint32_t ConfigFastModePlus)
	Enable the I2C fast mode plus driving capability. SYSCFG_CFGR1 I2C_PBx_FMP LL_SYSCFG_EnableFastModePlus SYSCFG_CFGR1 I2Cx_FMP LL_SYSCFG_EnableFastModePlus. More...
__STATIC_INLINE void	LL_SYSCFG_DisableFastModePlus (uint32_t ConfigFastModePlus)
	Disable the I2C fast mode plus driving capability. SYSCFG_CFGR1 I2C_PBx_FMP LL_SYSCFG_DisableFastModePlus SYSCFG_CFGR1 I2Cx_FMP LL_SYSCFG_DisableFastModePlus. More...
__STATIC_INLINE void	LL_SYSCFG_EnableIT_FPU_IOC (void)
	Enable Floating Point Unit Invalid operation Interrupt SYSCFG_CFGR1 FPU_IE_0 LL_SYSCFG_EnableIT_FPU_IOC. More...
__STATIC_INLINE void	LL_SYSCFG_EnableIT_FPU_DZC (void)
	Enable Floating Point Unit Divide-by-zero Interrupt SYSCFG_CFGR1 FPU_IE_1 LL_SYSCFG_EnableIT_FPU_DZC. More...
__STATIC_INLINE void	LL_SYSCFG_EnableIT_FPU_UFC (void)
	Enable Floating Point Unit Underflow Interrupt SYSCFG_CFGR1 FPU_IE_2 LL_SYSCFG_EnableIT_FPU_UFC. More...
__STATIC_INLINE void	LL_SYSCFG_EnableIT_FPU_OFC (void)
	Enable Floating Point Unit Overflow Interrupt SYSCFG_CFGR1 FPU_IE_3 LL_SYSCFG_EnableIT_FPU_OFC. More...
__STATIC_INLINE void	LL_SYSCFG_EnableIT_FPU_IDC (void)
	Enable Floating Point Unit Input denormal Interrupt SYSCFG_CFGR1 FPU_IE_4 LL_SYSCFG_EnableIT_FPU_IDC. More...
__STATIC_INLINE void	LL_SYSCFG_EnableIT_FPU_IXC (void)
	Enable Floating Point Unit Inexact Interrupt SYSCFG_CFGR1 FPU_IE_5 LL_SYSCFG_EnableIT_FPU_IXC. More...
__STATIC_INLINE void	LL_SYSCFG_DisableIT_FPU_IOC (void)
	Disable Floating Point Unit Invalid operation Interrupt SYSCFG_CFGR1 FPU_IE_0 LL_SYSCFG_DisableIT_FPU_IOC. More...
__STATIC_INLINE void	LL_SYSCFG_DisableIT_FPU_DZC (void)
	Disable Floating Point Unit Divide-by-zero Interrupt SYSCFG_CFGR1 FPU_IE_1 LL_SYSCFG_DisableIT_FPU_DZC. More...
__STATIC_INLINE void	LL_SYSCFG_DisableIT_FPU_UFC (void)
	Disable Floating Point Unit Underflow Interrupt SYSCFG_CFGR1 FPU_IE_2 LL_SYSCFG_DisableIT_FPU_UFC. More...
__STATIC_INLINE void	LL_SYSCFG_DisableIT_FPU_OFC (void)
	Disable Floating Point Unit Overflow Interrupt SYSCFG_CFGR1 FPU_IE_3 LL_SYSCFG_DisableIT_FPU_OFC. More...
__STATIC_INLINE void	LL_SYSCFG_DisableIT_FPU_IDC (void)
	Disable Floating Point Unit Input denormal Interrupt SYSCFG_CFGR1 FPU_IE_4 LL_SYSCFG_DisableIT_FPU_IDC. More...
__STATIC_INLINE void	LL_SYSCFG_DisableIT_FPU_IXC (void)
	Disable Floating Point Unit Inexact Interrupt SYSCFG_CFGR1 FPU_IE_5 LL_SYSCFG_DisableIT_FPU_IXC. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsEnabledIT_FPU_IOC (void)
	Check if Floating Point Unit Invalid operation Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_0 LL_SYSCFG_IsEnabledIT_FPU_IOC. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsEnabledIT_FPU_DZC (void)
	Check if Floating Point Unit Divide-by-zero Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_1 LL_SYSCFG_IsEnabledIT_FPU_DZC. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsEnabledIT_FPU_UFC (void)
	Check if Floating Point Unit Underflow Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_2 LL_SYSCFG_IsEnabledIT_FPU_UFC. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsEnabledIT_FPU_OFC (void)
	Check if Floating Point Unit Overflow Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_3 LL_SYSCFG_IsEnabledIT_FPU_OFC. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsEnabledIT_FPU_IDC (void)
	Check if Floating Point Unit Input denormal Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_4 LL_SYSCFG_IsEnabledIT_FPU_IDC. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsEnabledIT_FPU_IXC (void)
	Check if Floating Point Unit Inexact Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_5 LL_SYSCFG_IsEnabledIT_FPU_IXC. More...
__STATIC_INLINE void	LL_SYSCFG_SetEXTISource (uint32_t Port, uint32_t Line)
	Configure source input for the EXTI external interrupt. SYSCFG_EXTICR1 EXTIx LL_SYSCFG_SetEXTISource SYSCFG_EXTICR2 EXTIx LL_SYSCFG_SetEXTISource SYSCFG_EXTICR3 EXTIx LL_SYSCFG_SetEXTISource SYSCFG_EXTICR4 EXTIx LL_SYSCFG_SetEXTISource. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_GetEXTISource (uint32_t Line)
	Get the configured defined for specific EXTI Line SYSCFG_EXTICR1 EXTIx LL_SYSCFG_GetEXTISource SYSCFG_EXTICR2 EXTIx LL_SYSCFG_GetEXTISource SYSCFG_EXTICR3 EXTIx LL_SYSCFG_GetEXTISource SYSCFG_EXTICR4 EXTIx LL_SYSCFG_GetEXTISource. More...
__STATIC_INLINE void	LL_SYSCFG_EnableSRAM2Erase (void)
	Enable SRAM2 Erase (starts a hardware SRAM2 erase operation. This bit is automatically cleared at the end of the SRAM2 erase operation.) More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsSRAM2EraseOngoing (void)
	Check if SRAM2 erase operation is on going SYSCFG_SCSR SRAM2BSY LL_SYSCFG_IsSRAM2EraseOngoing. More...
__STATIC_INLINE void	LL_SYSCFG_SetTIMBreakInputs (uint32_t Break)
	Set connections to TIM1/8/15/16/17 Break inputs SYSCFG_CFGR2 CLL LL_SYSCFG_SetTIMBreakInputs SYSCFG_CFGR2 SPL LL_SYSCFG_SetTIMBreakInputs SYSCFG_CFGR2 PVDL LL_SYSCFG_SetTIMBreakInputs SYSCFG_CFGR2 ECCL LL_SYSCFG_SetTIMBreakInputs. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_GetTIMBreakInputs (void)
	Get connections to TIM1/8/15/16/17 Break inputs SYSCFG_CFGR2 CLL LL_SYSCFG_GetTIMBreakInputs SYSCFG_CFGR2 SPL LL_SYSCFG_GetTIMBreakInputs SYSCFG_CFGR2 PVDL LL_SYSCFG_GetTIMBreakInputs SYSCFG_CFGR2 ECCL LL_SYSCFG_GetTIMBreakInputs. More...
__STATIC_INLINE uint32_t	LL_SYSCFG_IsActiveFlag_SP (void)
	Check if SRAM2 parity error detected SYSCFG_CFGR2 SPF LL_SYSCFG_IsActiveFlag_SP. More...
__STATIC_INLINE void	LL_SYSCFG_ClearFlag_SP (void)
	Clear SRAM2 parity error flag SYSCFG_CFGR2 SPF LL_SYSCFG_ClearFlag_SP. More...
__STATIC_INLINE void	LL_SYSCFG_EnableSRAM2PageWRP_0_31 (uint32_t SRAM2WRP)
__STATIC_INLINE void	LL_SYSCFG_EnableSRAM2PageWRP_32_63 (uint32_t SRAM2WRP)
	Enable SRAM2 page write protection for Pages in range 32 to 63. More...
__STATIC_INLINE void	LL_SYSCFG_LockSRAM2WRP (void)
	SRAM2 page write protection lock prior to erase SYSCFG_SKR KEY LL_SYSCFG_LockSRAM2WRP. More...
__STATIC_INLINE void	LL_SYSCFG_UnlockSRAM2WRP (void)
	SRAM2 page write protection unlock prior to erase SYSCFG_SKR KEY LL_SYSCFG_UnlockSRAM2WRP. More...

Detailed Description

Function Documentation

LL_SYSCFG_ClearFlag_SP()

__STATIC_INLINE void LL_SYSCFG_ClearFlag_SP

(

void

)

Clear SRAM2 parity error flag SYSCFG_CFGR2 SPF LL_SYSCFG_ClearFlag_SP.

Return values

None

Definition at line 893 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR2, SYSCFG_CFGR2_SPF);
}

LL_SYSCFG_DisableAnalogBooster()

__STATIC_INLINE void LL_SYSCFG_DisableAnalogBooster

(

void

)

Disable I/O analog switch voltage booster.

Note

When voltage booster is enabled, I/O analog switches are supplied by a dedicated voltage booster, from VDD power domain. This is the recommended configuration with low VDDA voltage operation.

The I/O analog switch voltage booster is relevant for peripherals using I/O in analog input: ADC, COMP, OPAMP. However, COMP and OPAMP inputs have a high impedance and voltage booster do not impact performance significantly. Therefore, the voltage booster is mainly intended for usage with ADC. SYSCFG_CFGR1 BOOSTEN LL_SYSCFG_DisableAnalogBooster

Return values

None

Definition at line 506 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_BOOSTEN);
}

LL_SYSCFG_DisableFastModePlus()

__STATIC_INLINE void LL_SYSCFG_DisableFastModePlus

(

uint32_t

ConfigFastModePlus

)

Disable the I2C fast mode plus driving capability. SYSCFG_CFGR1 I2C_PBx_FMP LL_SYSCFG_DisableFastModePlus
SYSCFG_CFGR1 I2Cx_FMP LL_SYSCFG_DisableFastModePlus.

Parameters

ConfigFastModePlus

This parameter can be a combination of the following values: LL_SYSCFG_I2C_FASTMODEPLUS_PB6 LL_SYSCFG_I2C_FASTMODEPLUS_PB7 LL_SYSCFG_I2C_FASTMODEPLUS_PB8 (*) LL_SYSCFG_I2C_FASTMODEPLUS_PB9 (*) LL_SYSCFG_I2C_FASTMODEPLUS_I2C1 LL_SYSCFG_I2C_FASTMODEPLUS_I2C2 (*) LL_SYSCFG_I2C_FASTMODEPLUS_I2C3 LL_SYSCFG_I2C_FASTMODEPLUS_I2C4 (*) (*) value not defined in all devices

Return values

None

Definition at line 550 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, ConfigFastModePlus);
}

LL_SYSCFG_DisableIT_FPU_DZC()

__STATIC_INLINE void LL_SYSCFG_DisableIT_FPU_DZC

(

void

)

Disable Floating Point Unit Divide-by-zero Interrupt SYSCFG_CFGR1 FPU_IE_1 LL_SYSCFG_DisableIT_FPU_DZC.

Return values

None

Definition at line 630 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_1);
}

LL_SYSCFG_DisableIT_FPU_IDC()

__STATIC_INLINE void LL_SYSCFG_DisableIT_FPU_IDC

(

void

)

Disable Floating Point Unit Input denormal Interrupt SYSCFG_CFGR1 FPU_IE_4 LL_SYSCFG_DisableIT_FPU_IDC.

Return values

None

Definition at line 660 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_4);
}

LL_SYSCFG_DisableIT_FPU_IOC()

__STATIC_INLINE void LL_SYSCFG_DisableIT_FPU_IOC

(

void

)

Disable Floating Point Unit Invalid operation Interrupt SYSCFG_CFGR1 FPU_IE_0 LL_SYSCFG_DisableIT_FPU_IOC.

Return values

None

Definition at line 620 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_0);
}

LL_SYSCFG_DisableIT_FPU_IXC()

__STATIC_INLINE void LL_SYSCFG_DisableIT_FPU_IXC

(

void

)

Disable Floating Point Unit Inexact Interrupt SYSCFG_CFGR1 FPU_IE_5 LL_SYSCFG_DisableIT_FPU_IXC.

Return values

None

Definition at line 670 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_5);
}

LL_SYSCFG_DisableIT_FPU_OFC()

__STATIC_INLINE void LL_SYSCFG_DisableIT_FPU_OFC

(

void

)

Disable Floating Point Unit Overflow Interrupt SYSCFG_CFGR1 FPU_IE_3 LL_SYSCFG_DisableIT_FPU_OFC.

Return values

None

Definition at line 650 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_3);
}

LL_SYSCFG_DisableIT_FPU_UFC()

__STATIC_INLINE void LL_SYSCFG_DisableIT_FPU_UFC

(

void

)

Disable Floating Point Unit Underflow Interrupt SYSCFG_CFGR1 FPU_IE_2 LL_SYSCFG_DisableIT_FPU_UFC.

Return values

None

Definition at line 640 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_2);
}

LL_SYSCFG_EnableAnalogBooster()

__STATIC_INLINE void LL_SYSCFG_EnableAnalogBooster

(

void

)

Enable I/O analog switch voltage booster.

Note

When voltage booster is enabled, I/O analog switches are supplied by a dedicated voltage booster, from VDD power domain. This is the recommended configuration with low VDDA voltage operation.

The I/O analog switch voltage booster is relevant for peripherals using I/O in analog input: ADC, COMP, OPAMP. However, COMP and OPAMP inputs have a high impedance and voltage booster do not impact performance significantly. Therefore, the voltage booster is mainly intended for usage with ADC. SYSCFG_CFGR1 BOOSTEN LL_SYSCFG_EnableAnalogBooster

Return values

None

Definition at line 487 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_BOOSTEN);
}

LL_SYSCFG_EnableFastModePlus()

__STATIC_INLINE void LL_SYSCFG_EnableFastModePlus

(

uint32_t

ConfigFastModePlus

)

Enable the I2C fast mode plus driving capability. SYSCFG_CFGR1 I2C_PBx_FMP LL_SYSCFG_EnableFastModePlus
SYSCFG_CFGR1 I2Cx_FMP LL_SYSCFG_EnableFastModePlus.

Parameters

ConfigFastModePlus

This parameter can be a combination of the following values: LL_SYSCFG_I2C_FASTMODEPLUS_PB6 LL_SYSCFG_I2C_FASTMODEPLUS_PB7 LL_SYSCFG_I2C_FASTMODEPLUS_PB8 (*) LL_SYSCFG_I2C_FASTMODEPLUS_PB9 (*) LL_SYSCFG_I2C_FASTMODEPLUS_I2C1 LL_SYSCFG_I2C_FASTMODEPLUS_I2C2 (*) LL_SYSCFG_I2C_FASTMODEPLUS_I2C3 LL_SYSCFG_I2C_FASTMODEPLUS_I2C4 (*) (*) value not defined in all devices

Return values

None

Definition at line 528 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, ConfigFastModePlus);
}

LL_SYSCFG_EnableFirewall()

__STATIC_INLINE void LL_SYSCFG_EnableFirewall

(

void

)

Firewall protection enabled SYSCFG_CFGR1 FWDIS LL_SYSCFG_EnableFirewall.

Return values

None

Definition at line 458 of file stm32l4xx_ll_system.h.

{
  CLEAR_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FWDIS);
}

LL_SYSCFG_EnableIT_FPU_DZC()

__STATIC_INLINE void LL_SYSCFG_EnableIT_FPU_DZC

(

void

)

Enable Floating Point Unit Divide-by-zero Interrupt SYSCFG_CFGR1 FPU_IE_1 LL_SYSCFG_EnableIT_FPU_DZC.

Return values

None

Definition at line 570 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_1);
}

LL_SYSCFG_EnableIT_FPU_IDC()

__STATIC_INLINE void LL_SYSCFG_EnableIT_FPU_IDC

(

void

)

Enable Floating Point Unit Input denormal Interrupt SYSCFG_CFGR1 FPU_IE_4 LL_SYSCFG_EnableIT_FPU_IDC.

Return values

None

Definition at line 600 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_4);
}

LL_SYSCFG_EnableIT_FPU_IOC()

__STATIC_INLINE void LL_SYSCFG_EnableIT_FPU_IOC

(

void

)

Enable Floating Point Unit Invalid operation Interrupt SYSCFG_CFGR1 FPU_IE_0 LL_SYSCFG_EnableIT_FPU_IOC.

Return values

None

Definition at line 560 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_0);
}

LL_SYSCFG_EnableIT_FPU_IXC()

__STATIC_INLINE void LL_SYSCFG_EnableIT_FPU_IXC

(

void

)

Enable Floating Point Unit Inexact Interrupt SYSCFG_CFGR1 FPU_IE_5 LL_SYSCFG_EnableIT_FPU_IXC.

Return values

None

Definition at line 610 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_5);
}

LL_SYSCFG_EnableIT_FPU_OFC()

__STATIC_INLINE void LL_SYSCFG_EnableIT_FPU_OFC

(

void

)

Enable Floating Point Unit Overflow Interrupt SYSCFG_CFGR1 FPU_IE_3 LL_SYSCFG_EnableIT_FPU_OFC.

Return values

None

Definition at line 590 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_3);
}

LL_SYSCFG_EnableIT_FPU_UFC()

__STATIC_INLINE void LL_SYSCFG_EnableIT_FPU_UFC

(

void

)

Enable Floating Point Unit Underflow Interrupt SYSCFG_CFGR1 FPU_IE_2 LL_SYSCFG_EnableIT_FPU_UFC.

Return values

None

Definition at line 580 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_2);
}

LL_SYSCFG_EnableSRAM2Erase()

__STATIC_INLINE void LL_SYSCFG_EnableSRAM2Erase

(

void

)

Enable SRAM2 Erase (starts a hardware SRAM2 erase operation. This bit is automatically cleared at the end of the SRAM2 erase operation.)

Note

This bit is write-protected: setting this bit is possible only after the correct key sequence is written in the SYSCFG_SKR register as described in the Reference Manual. SYSCFG_SCSR SRAM2ER LL_SYSCFG_EnableSRAM2Erase

Return values

None

Definition at line 827 of file stm32l4xx_ll_system.h.

{
  /* Starts a hardware SRAM2 erase operation*/
  SET_BIT(SYSCFG->SCSR, SYSCFG_SCSR_SRAM2ER);
}

LL_SYSCFG_EnableSRAM2PageWRP_0_31()

__STATIC_INLINE void LL_SYSCFG_EnableSRAM2PageWRP_0_31

(

uint32_t

SRAM2WRP

)

Definition at line 941 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->SWPR, SRAM2WRP);
}

LL_SYSCFG_EnableSRAM2PageWRP_32_63()

__STATIC_INLINE void LL_SYSCFG_EnableSRAM2PageWRP_32_63

(

uint32_t

SRAM2WRP

)

Enable SRAM2 page write protection for Pages in range 32 to 63.

Note

Write protection is cleared only by a system reset SYSCFG_SWPR2 PxWP LL_SYSCFG_EnableSRAM2PageWRP_32_63

Parameters

SRAM2WRP

This parameter can be a combination of the following values: LL_SYSCFG_SRAM2WRP_PAGE32 (*) LL_SYSCFG_SRAM2WRP_PAGE33 (*) LL_SYSCFG_SRAM2WRP_PAGE34 (*) LL_SYSCFG_SRAM2WRP_PAGE35 (*) LL_SYSCFG_SRAM2WRP_PAGE36 (*) LL_SYSCFG_SRAM2WRP_PAGE37 (*) LL_SYSCFG_SRAM2WRP_PAGE38 (*) LL_SYSCFG_SRAM2WRP_PAGE39 (*) LL_SYSCFG_SRAM2WRP_PAGE40 (*) LL_SYSCFG_SRAM2WRP_PAGE41 (*) LL_SYSCFG_SRAM2WRP_PAGE42 (*) LL_SYSCFG_SRAM2WRP_PAGE43 (*) LL_SYSCFG_SRAM2WRP_PAGE44 (*) LL_SYSCFG_SRAM2WRP_PAGE45 (*) LL_SYSCFG_SRAM2WRP_PAGE46 (*) LL_SYSCFG_SRAM2WRP_PAGE47 (*) LL_SYSCFG_SRAM2WRP_PAGE48 (*) LL_SYSCFG_SRAM2WRP_PAGE49 (*) LL_SYSCFG_SRAM2WRP_PAGE50 (*) LL_SYSCFG_SRAM2WRP_PAGE51 (*) LL_SYSCFG_SRAM2WRP_PAGE52 (*) LL_SYSCFG_SRAM2WRP_PAGE53 (*) LL_SYSCFG_SRAM2WRP_PAGE54 (*) LL_SYSCFG_SRAM2WRP_PAGE55 (*) LL_SYSCFG_SRAM2WRP_PAGE56 (*) LL_SYSCFG_SRAM2WRP_PAGE57 (*) LL_SYSCFG_SRAM2WRP_PAGE58 (*) LL_SYSCFG_SRAM2WRP_PAGE59 (*) LL_SYSCFG_SRAM2WRP_PAGE60 (*) LL_SYSCFG_SRAM2WRP_PAGE61 (*) LL_SYSCFG_SRAM2WRP_PAGE62 (*) LL_SYSCFG_SRAM2WRP_PAGE63 (*) (*) value not defined in all devices

Return values

None

Definition at line 988 of file stm32l4xx_ll_system.h.

{
  SET_BIT(SYSCFG->SWPR2, SRAM2WRP);
}

LL_SYSCFG_GetEXTISource()

__STATIC_INLINE uint32_t LL_SYSCFG_GetEXTISource

(

uint32_t

Line

)

Get the configured defined for specific EXTI Line SYSCFG_EXTICR1 EXTIx LL_SYSCFG_GetEXTISource
SYSCFG_EXTICR2 EXTIx LL_SYSCFG_GetEXTISource
SYSCFG_EXTICR3 EXTIx LL_SYSCFG_GetEXTISource
SYSCFG_EXTICR4 EXTIx LL_SYSCFG_GetEXTISource.

Parameters

Line

This parameter can be one of the following values: LL_SYSCFG_EXTI_LINE0 LL_SYSCFG_EXTI_LINE1 LL_SYSCFG_EXTI_LINE2 LL_SYSCFG_EXTI_LINE3 LL_SYSCFG_EXTI_LINE4 LL_SYSCFG_EXTI_LINE5 LL_SYSCFG_EXTI_LINE6 LL_SYSCFG_EXTI_LINE7 LL_SYSCFG_EXTI_LINE8 LL_SYSCFG_EXTI_LINE9 LL_SYSCFG_EXTI_LINE10 LL_SYSCFG_EXTI_LINE11 LL_SYSCFG_EXTI_LINE12 LL_SYSCFG_EXTI_LINE13 LL_SYSCFG_EXTI_LINE14 LL_SYSCFG_EXTI_LINE15

Return values

Returned

value can be one of the following values: LL_SYSCFG_EXTI_PORTA LL_SYSCFG_EXTI_PORTB LL_SYSCFG_EXTI_PORTC LL_SYSCFG_EXTI_PORTD LL_SYSCFG_EXTI_PORTE LL_SYSCFG_EXTI_PORTF (*) LL_SYSCFG_EXTI_PORTG (*) LL_SYSCFG_EXTI_PORTH LL_SYSCFG_EXTI_PORTI (*) (*) value not defined in all devices

Definition at line 813 of file stm32l4xx_ll_system.h.

{
  return (uint32_t)(READ_BIT(SYSCFG->EXTICR[Line & 0xFFU], (Line >> 16U)) >> POSITION_VAL(Line >> 16U));
}

LL_SYSCFG_GetFlashBankMode()

__STATIC_INLINE uint32_t LL_SYSCFG_GetFlashBankMode

(

void

)

Get Flash bank mode (Bank flashed at 0x08000000) SYSCFG_MEMRMP FB_MODE LL_SYSCFG_GetFlashBankMode.

Return values

Returned

value can be one of the following values: LL_SYSCFG_BANKMODE_BANK1 LL_SYSCFG_BANKMODE_BANK2

Definition at line 447 of file stm32l4xx_ll_system.h.

{
  return (uint32_t)(READ_BIT(SYSCFG->MEMRMP, SYSCFG_MEMRMP_FB_MODE));
}

LL_SYSCFG_GetRemapMemory()

__STATIC_INLINE uint32_t LL_SYSCFG_GetRemapMemory

(

void

)

Get memory mapping at address 0x00000000 SYSCFG_MEMRMP MEM_MODE LL_SYSCFG_GetRemapMemory.

Return values

Returned

value can be one of the following values: LL_SYSCFG_REMAP_FLASH LL_SYSCFG_REMAP_SYSTEMFLASH LL_SYSCFG_REMAP_SRAM LL_SYSCFG_REMAP_FMC (*) LL_SYSCFG_REMAP_QUADSPI (*) value not defined in all devices

Definition at line 421 of file stm32l4xx_ll_system.h.

{
  return (uint32_t)(READ_BIT(SYSCFG->MEMRMP, SYSCFG_MEMRMP_MEM_MODE));
}

LL_SYSCFG_GetTIMBreakInputs()

__STATIC_INLINE uint32_t LL_SYSCFG_GetTIMBreakInputs

(

void

)

Get connections to TIM1/8/15/16/17 Break inputs SYSCFG_CFGR2 CLL LL_SYSCFG_GetTIMBreakInputs
SYSCFG_CFGR2 SPL LL_SYSCFG_GetTIMBreakInputs
SYSCFG_CFGR2 PVDL LL_SYSCFG_GetTIMBreakInputs
SYSCFG_CFGR2 ECCL LL_SYSCFG_GetTIMBreakInputs.

Return values

Returned

value can be can be a combination of the following values: LL_SYSCFG_TIMBREAK_ECC LL_SYSCFG_TIMBREAK_PVD LL_SYSCFG_TIMBREAK_SRAM2_PARITY LL_SYSCFG_TIMBREAK_LOCKUP

Definition at line 873 of file stm32l4xx_ll_system.h.

{
  return (uint32_t)(READ_BIT(SYSCFG->CFGR2, SYSCFG_CFGR2_CLL | SYSCFG_CFGR2_SPL | SYSCFG_CFGR2_PVDL | SYSCFG_CFGR2_ECCL));
}

LL_SYSCFG_IsActiveFlag_SP()

__STATIC_INLINE uint32_t LL_SYSCFG_IsActiveFlag_SP

(

void

)

Check if SRAM2 parity error detected SYSCFG_CFGR2 SPF LL_SYSCFG_IsActiveFlag_SP.

Return values

State

of bit (1 or 0).

Definition at line 883 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->CFGR2, SYSCFG_CFGR2_SPF) == (SYSCFG_CFGR2_SPF));
}

LL_SYSCFG_IsEnabledFirewall()

__STATIC_INLINE uint32_t LL_SYSCFG_IsEnabledFirewall

(

void

)

Check if Firewall protection is enabled or not SYSCFG_CFGR1 FWDIS LL_SYSCFG_IsEnabledFirewall.

Return values

State

of bit (1 or 0).

Definition at line 468 of file stm32l4xx_ll_system.h.

{
  return !(READ_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FWDIS) == SYSCFG_CFGR1_FWDIS);
}

LL_SYSCFG_IsEnabledIT_FPU_DZC()

__STATIC_INLINE uint32_t LL_SYSCFG_IsEnabledIT_FPU_DZC

(

void

)

Check if Floating Point Unit Divide-by-zero Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_1 LL_SYSCFG_IsEnabledIT_FPU_DZC.

Return values

State

of bit (1 or 0).

Definition at line 690 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_1) == (SYSCFG_CFGR1_FPU_IE_1));
}

LL_SYSCFG_IsEnabledIT_FPU_IDC()

__STATIC_INLINE uint32_t LL_SYSCFG_IsEnabledIT_FPU_IDC

(

void

)

Check if Floating Point Unit Input denormal Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_4 LL_SYSCFG_IsEnabledIT_FPU_IDC.

Return values

State

of bit (1 or 0).

Definition at line 720 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_4) == (SYSCFG_CFGR1_FPU_IE_4));
}

LL_SYSCFG_IsEnabledIT_FPU_IOC()

__STATIC_INLINE uint32_t LL_SYSCFG_IsEnabledIT_FPU_IOC

(

void

)

Check if Floating Point Unit Invalid operation Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_0 LL_SYSCFG_IsEnabledIT_FPU_IOC.

Return values

State

of bit (1 or 0).

Definition at line 680 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_0) == (SYSCFG_CFGR1_FPU_IE_0));
}

LL_SYSCFG_IsEnabledIT_FPU_IXC()

__STATIC_INLINE uint32_t LL_SYSCFG_IsEnabledIT_FPU_IXC

(

void

)

Check if Floating Point Unit Inexact Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_5 LL_SYSCFG_IsEnabledIT_FPU_IXC.

Return values

State

of bit (1 or 0).

Definition at line 730 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_5) == (SYSCFG_CFGR1_FPU_IE_5));
}

LL_SYSCFG_IsEnabledIT_FPU_OFC()

__STATIC_INLINE uint32_t LL_SYSCFG_IsEnabledIT_FPU_OFC

(

void

)

Check if Floating Point Unit Overflow Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_3 LL_SYSCFG_IsEnabledIT_FPU_OFC.

Return values

State

of bit (1 or 0).

Definition at line 710 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_3) == (SYSCFG_CFGR1_FPU_IE_3));
}

LL_SYSCFG_IsEnabledIT_FPU_UFC()

__STATIC_INLINE uint32_t LL_SYSCFG_IsEnabledIT_FPU_UFC

(

void

)

Check if Floating Point Unit Underflow Interrupt source is enabled or disabled. SYSCFG_CFGR1 FPU_IE_2 LL_SYSCFG_IsEnabledIT_FPU_UFC.

Return values

State

of bit (1 or 0).

Definition at line 700 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->CFGR1, SYSCFG_CFGR1_FPU_IE_2) == (SYSCFG_CFGR1_FPU_IE_2));
}

LL_SYSCFG_IsSRAM2EraseOngoing()

__STATIC_INLINE uint32_t LL_SYSCFG_IsSRAM2EraseOngoing

(

void

)

Check if SRAM2 erase operation is on going SYSCFG_SCSR SRAM2BSY LL_SYSCFG_IsSRAM2EraseOngoing.

Return values

State

of bit (1 or 0).

Definition at line 838 of file stm32l4xx_ll_system.h.

{
  return (READ_BIT(SYSCFG->SCSR, SYSCFG_SCSR_SRAM2BSY) == (SYSCFG_SCSR_SRAM2BSY));
}

LL_SYSCFG_LockSRAM2WRP()

__STATIC_INLINE void LL_SYSCFG_LockSRAM2WRP

(

void

)

SRAM2 page write protection lock prior to erase SYSCFG_SKR KEY LL_SYSCFG_LockSRAM2WRP.

Return values

None

Definition at line 999 of file stm32l4xx_ll_system.h.

{
  /* Writing a wrong key reactivates the write protection */
  WRITE_REG(SYSCFG->SKR, 0x00);
}

LL_SYSCFG_SetEXTISource()

__STATIC_INLINE void LL_SYSCFG_SetEXTISource	(	uint32_t	Port,
		uint32_t	Line
	)

Configure source input for the EXTI external interrupt. SYSCFG_EXTICR1 EXTIx LL_SYSCFG_SetEXTISource
SYSCFG_EXTICR2 EXTIx LL_SYSCFG_SetEXTISource
SYSCFG_EXTICR3 EXTIx LL_SYSCFG_SetEXTISource
SYSCFG_EXTICR4 EXTIx LL_SYSCFG_SetEXTISource.

Parameters

Port	This parameter can be one of the following values: LL_SYSCFG_EXTI_PORTA LL_SYSCFG_EXTI_PORTB LL_SYSCFG_EXTI_PORTC LL_SYSCFG_EXTI_PORTD LL_SYSCFG_EXTI_PORTE LL_SYSCFG_EXTI_PORTF (*) LL_SYSCFG_EXTI_PORTG (*) LL_SYSCFG_EXTI_PORTH LL_SYSCFG_EXTI_PORTI (*) (*) value not defined in all devices
Line	This parameter can be one of the following values: LL_SYSCFG_EXTI_LINE0 LL_SYSCFG_EXTI_LINE1 LL_SYSCFG_EXTI_LINE2 LL_SYSCFG_EXTI_LINE3 LL_SYSCFG_EXTI_LINE4 LL_SYSCFG_EXTI_LINE5 LL_SYSCFG_EXTI_LINE6 LL_SYSCFG_EXTI_LINE7 LL_SYSCFG_EXTI_LINE8 LL_SYSCFG_EXTI_LINE9 LL_SYSCFG_EXTI_LINE10 LL_SYSCFG_EXTI_LINE11 LL_SYSCFG_EXTI_LINE12 LL_SYSCFG_EXTI_LINE13 LL_SYSCFG_EXTI_LINE14 LL_SYSCFG_EXTI_LINE15

Return values

None

Definition at line 772 of file stm32l4xx_ll_system.h.

{
  MODIFY_REG(SYSCFG->EXTICR[Line & 0xFFU], (Line >> 16U), Port << POSITION_VAL((Line >> 16U)));
}

LL_SYSCFG_SetFlashBankMode()

__STATIC_INLINE void LL_SYSCFG_SetFlashBankMode

(

uint32_t

Bank

)

Select Flash bank mode (Bank flashed at 0x08000000) SYSCFG_MEMRMP FB_MODE LL_SYSCFG_SetFlashBankMode.

Parameters

Bank	This parameter can be one of the following values: LL_SYSCFG_BANKMODE_BANK1 LL_SYSCFG_BANKMODE_BANK2

Return values

None

Definition at line 435 of file stm32l4xx_ll_system.h.

{
  MODIFY_REG(SYSCFG->MEMRMP, SYSCFG_MEMRMP_FB_MODE, Bank);
}

LL_SYSCFG_SetRemapMemory()

__STATIC_INLINE void LL_SYSCFG_SetRemapMemory

(

uint32_t

Memory

)

Set memory mapping at address 0x00000000 SYSCFG_MEMRMP MEM_MODE LL_SYSCFG_SetRemapMemory.

Parameters

Memory

This parameter can be one of the following values: LL_SYSCFG_REMAP_FLASH LL_SYSCFG_REMAP_SYSTEMFLASH LL_SYSCFG_REMAP_SRAM LL_SYSCFG_REMAP_FMC (*) LL_SYSCFG_REMAP_QUADSPI (*) value not defined in all devices

Return values

None

Definition at line 404 of file stm32l4xx_ll_system.h.

{
  MODIFY_REG(SYSCFG->MEMRMP, SYSCFG_MEMRMP_MEM_MODE, Memory);
}

LL_SYSCFG_SetTIMBreakInputs()

__STATIC_INLINE void LL_SYSCFG_SetTIMBreakInputs

(

uint32_t

Break

)

Set connections to TIM1/8/15/16/17 Break inputs SYSCFG_CFGR2 CLL LL_SYSCFG_SetTIMBreakInputs
SYSCFG_CFGR2 SPL LL_SYSCFG_SetTIMBreakInputs
SYSCFG_CFGR2 PVDL LL_SYSCFG_SetTIMBreakInputs
SYSCFG_CFGR2 ECCL LL_SYSCFG_SetTIMBreakInputs.

Parameters

Break

This parameter can be a combination of the following values: LL_SYSCFG_TIMBREAK_ECC LL_SYSCFG_TIMBREAK_PVD LL_SYSCFG_TIMBREAK_SRAM2_PARITY LL_SYSCFG_TIMBREAK_LOCKUP

Return values

None

Definition at line 856 of file stm32l4xx_ll_system.h.

{
  MODIFY_REG(SYSCFG->CFGR2, SYSCFG_CFGR2_CLL | SYSCFG_CFGR2_SPL | SYSCFG_CFGR2_PVDL | SYSCFG_CFGR2_ECCL, Break);
}

LL_SYSCFG_UnlockSRAM2WRP()

__STATIC_INLINE void LL_SYSCFG_UnlockSRAM2WRP

(

void

)

SRAM2 page write protection unlock prior to erase SYSCFG_SKR KEY LL_SYSCFG_UnlockSRAM2WRP.

Return values

None

Definition at line 1010 of file stm32l4xx_ll_system.h.

{
  /* unlock the write protection of the SRAM2ER bit */
  WRITE_REG(SYSCFG->SKR, 0xCA);
  WRITE_REG(SYSCFG->SKR, 0x53);
}