Martin Johnson / STM32F3-Discovery

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   Space_Invaders_Demo neopixels gpio_test_stm32f3_discovery gpio_test_systimer ... more

Embed: (wiki syntax)

« Back to documentation index

SYSCFG Initialization and Configuration functions
Functions

SYSCFG Initialization and Configuration functions
[SYSCFG_Private_Functions]

SYSCFG Initialization and Configuration functions. More...

Functions

void SYSCFG_DeInit (void)
 Deinitializes the SYSCFG registers to their default reset values.
void SYSCFG_MemoryRemapConfig (uint32_t SYSCFG_MemoryRemap)
 Configures the memory mapping at address 0x00000000.
void SYSCFG_DMAChannelRemapConfig (uint32_t SYSCFG_DMARemap, FunctionalState NewState)
 Configures the DMA channels remapping.
void SYSCFG_TriggerRemapConfig (uint32_t SYSCFG_TriggerRemap, FunctionalState NewState)
 Configures the remapping capabilities of DAC/TIM triggers.
void SYSCFG_EncoderRemapConfig (uint32_t SYSCFG_EncoderRemap)
 Configures the remapping capabilities of encoder mode.
void SYSCFG_USBInterruptLineRemapCmd (FunctionalState NewState)
 Remaps the USB interrupt lines.
void SYSCFG_I2CFastModePlusConfig (uint32_t SYSCFG_I2CFastModePlus, FunctionalState NewState)
 Configures the I2C fast mode plus driving capability.
void SYSCFG_ITConfig (uint32_t SYSCFG_IT, FunctionalState NewState)
 Enables or disables the selected SYSCFG interrupts.
void SYSCFG_EXTILineConfig (uint8_t EXTI_PortSourceGPIOx, uint8_t EXTI_PinSourcex)
 Selects the GPIO pin used as EXTI Line.
void SYSCFG_BreakConfig (uint32_t SYSCFG_Break)
 Connects the selected parameter to the break input of TIM1.
void SYSCFG_BypassParityCheckDisable (void)
 Disables the parity check on RAM.
void SYSCFG_ADCTriggerRemapConfig (uint32_t SYSCFG_ADCTriggerRemap, FunctionalState NewState)
 Configures the remapping capabilities of DAC/TIM triggers.
void SYSCFG_SRAMWRPEnable (uint32_t SYSCFG_SRAMWRP)
 Enables the ICODE SRAM write protection.
FlagStatus SYSCFG_GetFlagStatus (uint32_t SYSCFG_Flag)
 Checks whether the specified SYSCFG flag is set or not.
void SYSCFG_ClearFlag (uint32_t SYSCFG_Flag)
 Clears the selected SYSCFG flag.

Detailed Description

SYSCFG Initialization and Configuration functions. 

 ===============================================================================
         ##### SYSCFG Initialization and Configuration functions #####
 ===============================================================================

Function Documentation

void SYSCFG_ADCTriggerRemapConfig ( uint32_t  SYSCFG_ADCTriggerRemap,
FunctionalState  NewState 
)

Configures the remapping capabilities of DAC/TIM triggers.

Parameters:
SYSCFG_ADCTriggerRemap,:selects the ADC trigger to be remapped. This parameter can be one of the following values:

  • REMAPADCTRIGGER_ADC12_EXT2: Input trigger of ADC12 regular channel EXT2
  • REMAPADCTRIGGER_ADC12_EXT3: Input trigger of ADC12 regular channel EXT3
  • REMAPADCTRIGGER_ADC12_EXT5: Input trigger of ADC12 regular channel EXT5
  • REMAPADCTRIGGER_ADC12_EXT13: Input trigger of ADC12 regular channel EXT13
  • REMAPADCTRIGGER_ADC12_EXT15: Input trigger of ADC12 regular channel EXT15
  • REMAPADCTRIGGER_ADC12_JEXT3: Input trigger of ADC12 injected channel JEXT3
  • REMAPADCTRIGGER_ADC12_JEXT6: Input trigger of ADC12 injected channel JEXT6
  • REMAPADCTRIGGER_ADC12_JEXT13: Input trigger of ADC12 injected channel JEXT16
  • REMAPADCTRIGGER_ADC34_EXT5: Input trigger of ADC34 regular channel EXT5
  • REMAPADCTRIGGER_ADC34_EXT6: Input trigger of ADC34 regular channel EXT6
  • REMAPADCTRIGGER_ADC34_EXT15: Input trigger of ADC34 regular channel EXT15
  • REMAPADCTRIGGER_ADC34_JEXT5: Input trigger of ADC34 injected channel JEXT5
  • REMAPADCTRIGGER_ADC34_JEXT11: Input trigger of ADC34 injected channel JEXT11
  • REMAPADCTRIGGER_ADC34_JEXT14: Input trigger of ADC34 injected channel JEXT14
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 475 of file stm32f30x_syscfg.c.

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 430 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 445 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 545 of file stm32f30x_syscfg.c.

void SYSCFG_DeInit ( void   )

Deinitializes the SYSCFG 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 195 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 289 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, F, G, H).
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 406 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:
Thenew state of SYSCFG_Flag (SET or RESET).

Definition at line 516 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
  • SYSCFG_I2CFastModePlus_I2C3: Configure fast mode plus driving capability for I2C3 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 remaining 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 348 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 380 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
  • SYSCFG_MemoryRemap_FMC: External memory through FMC
Return values:
None

Definition at line 139 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 500 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 243 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 315 of file stm32f30x_syscfg.c.

Generated on Tue Jul 12 2022 17:34:46 by  doxygen 1.7.2