SYSCFG Initialization and Configuration functions. More...

Collaboration diagram for SYSCFG Initialization and Configuration functions:

Functions
void	SYSCFG_BreakConfig (uint32_t SYSCFG_Break)
	Connects the selected parameter to the break input of TIM1. More...

void	SYSCFG_BypassParityCheckDisable (void)
	Disables the parity check on RAM. More...

void	SYSCFG_ClearFlag (uint32_t SYSCFG_Flag)
	Clears the selected SYSCFG flag. More...

void	SYSCFG_DeInit (void)
	Deinitializes the SYSCFG registers to their default reset values. More...

void	SYSCFG_DMAChannelRemapConfig (uint32_t SYSCFG_DMARemap, FunctionalState NewState)
	Configures the DMA channels remapping. More...

void	SYSCFG_EncoderRemapConfig (uint32_t SYSCFG_EncoderRemap)
	Configures the remapping capabilities of encoder mode. @ note This feature implement the so-called M/T method for measuring speed and position using quadrature encoders. More...

void	SYSCFG_EXTILineConfig (uint8_t EXTI_PortSourceGPIOx, uint8_t EXTI_PinSourcex)
	Selects the GPIO pin used as EXTI Line. More...

FlagStatus	SYSCFG_GetFlagStatus (uint32_t SYSCFG_Flag)
	Checks whether the specified SYSCFG flag is set or not. More...

void	SYSCFG_I2CFastModePlusConfig (uint32_t SYSCFG_I2CFastModePlus, FunctionalState NewState)
	Configures the I2C fast mode plus driving capability. More...

void	SYSCFG_ITConfig (uint32_t SYSCFG_IT, FunctionalState NewState)
	Enables or disables the selected SYSCFG interrupts. More...

void	SYSCFG_MemoryRemapConfig (uint32_t SYSCFG_MemoryRemap)
	Configures the memory mapping at address 0x00000000. More...

void	SYSCFG_SRAMWRPEnable (uint32_t SYSCFG_SRAMWRP)
	Enables the ICODE SRAM write protection. More...

void	SYSCFG_TriggerRemapConfig (uint32_t SYSCFG_TriggerRemap, FunctionalState NewState)
	Configures the remapping capabilities of DAC/TIM triggers. More...

void	SYSCFG_USBInterruptLineRemapCmd (FunctionalState NewState)
	Remaps the USB interrupt lines. More...

Detailed Description

SYSCFG Initialization and Configuration functions.

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         ##### SYSCFG Initialization and Configuration functions #####
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Function Documentation

void SYSCFG_BreakConfig ( uint32_t SYSCFG_Break )

Connects the selected parameter to the break input of TIM1.

Note: The selected configuration is locked and can be unlocked by system reset

Parameters

SYSCFG_Break

selects the configuration to be connected to break input of TIM1 This parameter can be any combination of the following values:

SYSCFG_Break_PVD: PVD interrupt is connected to the break input of TIM1.
SYSCFG_Break_SRAMParity: SRAM Parity error is connected to the break input of TIM1.
SYSCFG_Break_HardFault: Lockup output of CortexM4 is connected to the break input of TIM1.

Return values

None

Definition at line 426 of file stm32f30x_syscfg.c.

void SYSCFG_BypassParityCheckDisable ( void )

Disables the parity check on RAM.

Note: Disabling the parity check on RAM locks the configuration bit. To re-enable the parity check on RAM perform a system reset.

Parameters

None

Return values

None

Definition at line 441 of file stm32f30x_syscfg.c.

void SYSCFG_ClearFlag ( uint32_t SYSCFG_Flag )

Clears the selected SYSCFG flag.

Parameters

SYSCFG_Flag

selects the flag to be cleared. This parameter can be any combination of the following values:

SYSCFG_FLAG_PE: SRAM parity error flag.

Return values

None

Definition at line 506 of file stm32f30x_syscfg.c.

void SYSCFG_DeInit ( void )

Deinitializes the SYSCFG registers to their default reset values.

Deinitializes the Alternate Functions (remap and EXTI configuration) registers to their default reset values.

Parameters

None

Return values

None

Note: MEM_MODE bits are not affected by APB reset. MEM_MODE bits took the value from the user option bytes.

Definition at line 108 of file stm32f30x_syscfg.c.

void SYSCFG_DMAChannelRemapConfig	(	uint32_t	SYSCFG_DMARemap,
		FunctionalState	NewState
	)

Configures the DMA channels remapping.

Parameters

SYSCFG_DMARemap

selects the DMA channels remap. This parameter can be one of the following values:

SYSCFG_DMARemap_TIM17: Remap TIM17 DMA requests from DMA1 channel1 to channel2
SYSCFG_DMARemap_TIM16: Remap TIM16 DMA requests from DMA1 channel3 to channel4
SYSCFG_DMARemap_TIM6DAC1Ch1: Remap TIM6/DAC1 DMA requests from DMA2 channel 3 to DMA1 channel 3
SYSCFG_DMARemap_TIM7DAC1Ch2: Remap TIM7/DAC2 DMA requests from DMA2 channel 4 to DMA1 channel 4
SYSCFG_DMARemap_ADC2ADC4: Remap ADC2 and ADC4 DMA requests from DMA2 channel1/channel3 to channel3/channel4
SYSCFG_DMARemap_DAC2Ch1: Remap DAC2 DMA requests to DMA1 channel5
SYSCFG_DMARemapCh2_SPI1_RX: Remap SPI1 RX DMA1 CH2 requests
SYSCFG_DMARemapCh4_SPI1_RX: Remap SPI1 RX DMA CH4 requests
SYSCFG_DMARemapCh6_SPI1_RX: Remap SPI1 RX DMA CH6 requests
SYSCFG_DMARemapCh3_SPI1_TX: Remap SPI1 TX DMA CH2 requests
SYSCFG_DMARemapCh5_SPI1_TX: Remap SPI1 TX DMA CH5 requests
SYSCFG_DMARemapCh7_SPI1_TX: Remap SPI1 TX DMA CH7 requests
SYSCFG_DMARemapCh7_I2C1_RX: Remap I2C1 RX DMA CH7 requests
SYSCFG_DMARemapCh3_I2C1_RX: Remap I2C1 RX DMA CH3 requests
SYSCFG_DMARemapCh5_I2C1_RX: Remap I2C1 RX DMA CH5 requests
SYSCFG_DMARemapCh6_I2C1_TX: Remap I2C1 TX DMA CH6 requests
SYSCFG_DMARemapCh2_I2C1_TX: Remap I2C1 TX DMA CH2 requests
SYSCFG_DMARemapCh4_I2C1_TX: Remap I2C1 TX DMA CH4 requests
SYSCFG_DMARemapCh4_ADC2: Remap ADC2 DMA1 Ch4 requests
SYSCFG_DMARemapCh2_ADC2: Remap ADC2 DMA1 Ch2 requests

NewState new state of the DMA channel remapping. This parameter can be: Enable or Disable.

Note: When enabled, DMA channel of the selected peripheral is remapped; When disabled, Default DMA channel is mapped to the selected peripheral; By default TIM17 DMA requests is mapped to channel 1 use SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Enable) to remap TIM17 DMA requests to DMA1 channel 2 use SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_TIM17, Disable) to map TIM17 DMA requests to DMA1 channel 1 (default mapping)

Return values

None

Definition at line 192 of file stm32f30x_syscfg.c.

void SYSCFG_EncoderRemapConfig ( uint32_t SYSCFG_EncoderRemap )

Configures the remapping capabilities of encoder mode. @ note This feature implement the so-called M/T method for measuring speed and position using quadrature encoders.

Parameters

SYSCFG_EncoderRemap

selects the remap option for encoder mode. This parameter can be one of the following values:

SYSCFG_EncoderRemap_No: No remap
SYSCFG_EncoderRemap_TIM2: Timer 2 IC1 and IC2 connected to TIM15 IC1 and IC2
SYSCFG_EncoderRemap_TIM3: Timer 3 IC1 and IC2 connected to TIM15 IC1 and IC2
SYSCFG_EncoderRemap_TIM4: Timer 4 IC1 and IC2 connected to TIM15 IC1 and IC2

Return values

None

Definition at line 286 of file stm32f30x_syscfg.c.

void SYSCFG_EXTILineConfig	(	uint8_t	EXTI_PortSourceGPIOx,
		uint8_t	EXTI_PinSourcex
	)

Selects the GPIO pin used as EXTI Line.

Parameters

EXTI_PortSourceGPIOx	: selects the GPIO port to be used as source for EXTI lines where x can be (A, B, C, D, E or F).
EXTI_PinSourcex	specifies the EXTI line to be configured. This parameter can be EXTI_PinSourcex where x can be (0..15)

Return values

None

Definition at line 402 of file stm32f30x_syscfg.c.

FlagStatus SYSCFG_GetFlagStatus ( uint32_t SYSCFG_Flag )

Checks whether the specified SYSCFG flag is set or not.

Parameters

SYSCFG_Flag

specifies the SYSCFG flag to check. This parameter can be one of the following values:

SYSCFG_FLAG_PE: SRAM parity error flag.

Return values

The	new state of SYSCFG_Flag (SET or RESET).

Definition at line 474 of file stm32f30x_syscfg.c.

void SYSCFG_I2CFastModePlusConfig	(	uint32_t	SYSCFG_I2CFastModePlus,
		FunctionalState	NewState
	)

Configures the I2C fast mode plus driving capability.

Parameters

SYSCFG_I2CFastModePlus

selects the pin. This parameter can be one of the following values:

SYSCFG_I2CFastModePlus_PB6: Configure fast mode plus driving capability for PB6
SYSCFG_I2CFastModePlus_PB7: Configure fast mode plus driving capability for PB7
SYSCFG_I2CFastModePlus_PB8: Configure fast mode plus driving capability for PB8
SYSCFG_I2CFastModePlus_PB9: Configure fast mode plus driving capability for PB9
SYSCFG_I2CFastModePlus_I2C1: Configure fast mode plus driving capability for I2C1 pins
SYSCFG_I2CFastModePlus_I2C2: Configure fast mode plus driving capability for I2C2 pins

NewState

new state of the DMA channel remapping. This parameter can be:

ENABLE: Enable fast mode plus driving capability for selected I2C pin
DISABLE: Disable fast mode plus driving capability for selected I2C pin

Note: For I2C1, fast mode plus driving capability can be enabled on all selected I2C1 pins using SYSCFG_I2CFastModePlus_I2C1 parameter or independently on each one of the following pins PB6, PB7, PB8 and PB9.; For remaing I2C1 pins (PA14, PA15...) fast mode plus driving capability can be enabled only by using SYSCFG_I2CFastModePlus_I2C1 parameter.; For all I2C2 pins fast mode plus driving capability can be enabled only by using SYSCFG_I2CFastModePlus_I2C2 parameter.

Return values

None

Definition at line 344 of file stm32f30x_syscfg.c.

void SYSCFG_ITConfig	(	uint32_t	SYSCFG_IT,
		FunctionalState	NewState
	)

Enables or disables the selected SYSCFG interrupts.

Parameters

SYSCFG_IT	specifies the SYSCFG interrupt sources to be enabled or disabled. This parameter can be one of the following values: SYSCFG_IT_IXC: Inexact Interrupt SYSCFG_IT_IDC: Input denormal Interrupt SYSCFG_IT_OFC: Overflow Interrupt SYSCFG_IT_UFC: Underflow Interrupt SYSCFG_IT_DZC: Divide-by-zero Interrupt SYSCFG_IT_IOC: Invalid operation Interrupt
NewState	new state of the specified SYSCFG interrupts. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 376 of file stm32f30x_syscfg.c.

void SYSCFG_MemoryRemapConfig ( uint32_t SYSCFG_MemoryRemap )

Configures the memory mapping at address 0x00000000.

Parameters

SYSCFG_MemoryRemap

selects the memory remapping. This parameter can be one of the following values:

SYSCFG_MemoryRemap_Flash: Main Flash memory mapped at 0x00000000
SYSCFG_MemoryRemap_SystemMemory: System Flash memory mapped at 0x00000000
SYSCFG_MemoryRemap_SRAM: Embedded SRAM mapped at 0x00000000

Return values

None

Definition at line 136 of file stm32f30x_syscfg.c.

void SYSCFG_SRAMWRPEnable ( uint32_t SYSCFG_SRAMWRP )

Enables the ICODE SRAM write protection.

Note: Enabling the ICODE SRAM write protection locks the configuration bit. To disable the ICODE SRAM write protection perform a system reset.

Parameters

None

Return values

None

Definition at line 454 of file stm32f30x_syscfg.c.

void SYSCFG_TriggerRemapConfig	(	uint32_t	SYSCFG_TriggerRemap,
		FunctionalState	NewState
	)

Configures the remapping capabilities of DAC/TIM triggers.

Parameters

SYSCFG_TriggerRemap	selects the trigger to be remapped. This parameter can be one of the following values: SYSCFG_TriggerRemap_DACTIM3: Remap DAC trigger from TIM8 to TIM3 SYSCFG_TriggerRemap_TIM1TIM17: Remap TIM1 ITR3 from TIM4 TRGO to TIM17 OC SYSCFG_TriggerRemap_DACHRTIM1_TRIG1: Remap DAC trigger to HRTIM1 TRIG1 SYSCFG_TriggerRemap_DACHRTIM1_TRIG2: Remap DAC trigger to HRTIM1 TRIG2
NewState	new state of the trigger mapping. This parameter can be: ENABLE or DISABLE.

Note: ENABLE: Enable fast mode plus driving capability for selected pin; DISABLE: Disable fast mode plus driving capability for selected pin

Return values

None

Definition at line 240 of file stm32f30x_syscfg.c.

void SYSCFG_USBInterruptLineRemapCmd ( FunctionalState NewState )

Remaps the USB interrupt lines.

Parameters

NewState	new state of the mapping of USB interrupt lines. This parameter can be:
ENABLE	Remap the USB interrupt line as following: USB Device High Priority (USB_HP) interrupt mapped to line 74. USB Device Low Priority (USB_LP) interrupt mapped to line 75. USB Wakeup Interrupt (USB_WKUP) interrupt mapped to line 76.
DISABLE	Use the default USB interrupt line: USB Device High Priority (USB_HP) interrupt mapped to line 19. USB Device Low Priority (USB_LP) interrupt mapped to line 20. USB Wakeup Interrupt (USB_WKUP) interrupt mapped to line 42.

Return values

None

Definition at line 312 of file stm32f30x_syscfg.c.