Modules | Classes | Macros | Enumerations | Functions

GPIO driver modules. More...

Collaboration diagram for GPIO:

Modules

 GPIO_Private_Functions
 
 GPIO_Exported_Constants
 
 GPIO_Exported_Types
 
 GPIO_Exported_Macros
 
 GPIO_Exported_Functions
 
 GPIO_Private_TypesDefinitions
 
 GPIO_Private_Defines
 
 GPIO_Private_Macros
 
 GPIO_Private_Variables
 
 GPIO_Private_FunctionPrototypes
 
 Configuration_Mode_enumeration
 
 Output_type_enumeration
 
 Output_Maximum_frequency_enumeration
 
 Configuration_Pull-Up_Pull-Down_enumeration
 
 Bit_SET_and_Bit_RESET_enumeration
 

Classes

struct  GPIO_InitTypeDef
 GPIO Init structure definition. More...
 

Macros

#define GPIO_Speed_100MHz   GPIO_High_Speed
 
#define GPIO_Speed_25MHz   GPIO_Medium_Speed
 
#define GPIO_Speed_2MHz   GPIO_Low_Speed
 
#define GPIO_Speed_50MHz   GPIO_Fast_Speed
 
#define IS_GPIO_ALL_PERIPH(PERIPH)
 
#define IS_GPIO_ALL_PERIPH(PERIPH)
 
#define IS_GPIO_ALL_PERIPH(PERIPH)
 
#define IS_GPIO_BIT_ACTION(ACTION)   (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
 
#define IS_GPIO_BIT_ACTION(ACTION)   (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
 
#define IS_GPIO_LIST_PERIPH(PERIPH)
 
#define IS_GPIO_MODE(MODE)
 
#define IS_GPIO_MODE(MODE)
 
#define IS_GPIO_OTYPE(OTYPE)   (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
 
#define IS_GPIO_OTYPE(OTYPE)   (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
 
#define IS_GPIO_PUPD(PUPD)
 
#define IS_GPIO_PUPD(PUPD)
 
#define IS_GPIO_SPEED(SPEED)
 
#define IS_GPIO_SPEED(SPEED)
 

Enumerations

enum  BitAction {
  Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET,
  Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET
}
 GPIO Bit SET and Bit RESET enumeration. More...
 
enum  BitAction {
  Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET,
  Bit_RESET = 0, Bit_SET, Bit_RESET = 0, Bit_SET
}
 GPIO Bit SET and Bit RESET enumeration. More...
 
enum  GPIOMode_TypeDef {
  GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03,
  GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03,
  GPIO_Mode_AIN = 0x0, GPIO_Mode_IN_FLOATING = 0x04, GPIO_Mode_IPD = 0x28, GPIO_Mode_IPU = 0x48,
  GPIO_Mode_Out_OD = 0x14, GPIO_Mode_Out_PP = 0x10, GPIO_Mode_AF_OD = 0x1C, GPIO_Mode_AF_PP = 0x18,
  GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03
}
 GPIO Configuration Mode enumeration. More...
 
enum  GPIOMode_TypeDef {
  GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03,
  GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03,
  GPIO_Mode_AIN = 0x0, GPIO_Mode_IN_FLOATING = 0x04, GPIO_Mode_IPD = 0x28, GPIO_Mode_IPU = 0x48,
  GPIO_Mode_Out_OD = 0x14, GPIO_Mode_Out_PP = 0x10, GPIO_Mode_AF_OD = 0x1C, GPIO_Mode_AF_PP = 0x18,
  GPIO_Mode_IN = 0x00, GPIO_Mode_OUT = 0x01, GPIO_Mode_AF = 0x02, GPIO_Mode_AN = 0x03
}
 GPIO Configuration Mode enumeration. More...
 
enum  GPIOOType_TypeDef {
  GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01, GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01,
  GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01
}
 GPIO Output type enumeration. More...
 
enum  GPIOOType_TypeDef {
  GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01, GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01,
  GPIO_OType_PP = 0x00, GPIO_OType_OD = 0x01
}
 GPIO Output type enumeration. More...
 
enum  GPIOPuPd_TypeDef {
  GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00,
  GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01,
  GPIO_PuPd_DOWN = 0x02
}
 GPIO Configuration PullUp PullDown enumeration. More...
 
enum  GPIOPuPd_TypeDef {
  GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00,
  GPIO_PuPd_UP = 0x01, GPIO_PuPd_DOWN = 0x02, GPIO_PuPd_NOPULL = 0x00, GPIO_PuPd_UP = 0x01,
  GPIO_PuPd_DOWN = 0x02
}
 GPIO Configuration PullUp PullDown enumeration. More...
 
enum  GPIOSpeed_TypeDef {
  GPIO_Low_Speed = 0x00, GPIO_Medium_Speed = 0x01, GPIO_Fast_Speed = 0x02, GPIO_High_Speed = 0x03,
  GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03,
  GPIO_Speed_10MHz = 1, GPIO_Speed_2MHz, GPIO_Speed_50MHz, GPIO_Speed_Level_1 = 0x01,
  GPIO_Speed_Level_2 = 0x02, GPIO_Speed_Level_3 = 0x03
}
 GPIO Output Maximum frequency enumeration. More...
 
enum  GPIOSpeed_TypeDef {
  GPIO_Low_Speed = 0x00, GPIO_Medium_Speed = 0x01, GPIO_Fast_Speed = 0x02, GPIO_High_Speed = 0x03,
  GPIO_Speed_2MHz = 0x00, GPIO_Speed_25MHz = 0x01, GPIO_Speed_50MHz = 0x02, GPIO_Speed_100MHz = 0x03,
  GPIO_Speed_10MHz = 1, GPIO_Speed_2MHz, GPIO_Speed_50MHz, GPIO_Speed_Level_1 = 0x01,
  GPIO_Speed_Level_2 = 0x02, GPIO_Speed_Level_3 = 0x03
}
 GPIO Output Maximum frequency enumeration. More...
 

Functions

void GPIO_DeInit (GPIO_TypeDef *GPIOx)
 De-initializes the GPIOx peripheral registers to their default reset values. More...
 
void GPIO_Init (GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct)
 Initializes the GPIOx peripheral according to the specified parameters in the GPIO_InitStruct. More...
 
void GPIO_PinAFConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF)
 Changes the mapping of the specified pin. More...
 
void GPIO_PinLockConfig (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
 Locks GPIO Pins configuration registers. More...
 
uint16_t GPIO_ReadInputData (GPIO_TypeDef *GPIOx)
 Reads the specified GPIO input data port. More...
 
uint8_t GPIO_ReadInputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
 Reads the specified input port pin. More...
 
uint16_t GPIO_ReadOutputData (GPIO_TypeDef *GPIOx)
 Reads the specified GPIO output data port. More...
 
uint8_t GPIO_ReadOutputDataBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
 Reads the specified output data port bit. More...
 
void GPIO_ResetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
 Clears the selected data port bits. More...
 
void GPIO_SetBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
 Sets the selected data port bits. More...
 
void GPIO_StructInit (GPIO_InitTypeDef *GPIO_InitStruct)
 Fills each GPIO_InitStruct member with its default value. More...
 
void GPIO_ToggleBits (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin)
 Toggles the specified GPIO pins.. More...
 
void GPIO_Write (GPIO_TypeDef *GPIOx, uint16_t PortVal)
 Writes data to the specified GPIO data port. More...
 
void GPIO_WriteBit (GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
 Sets or clears the selected data port bit. More...
 

Detailed Description

GPIO driver modules.

Macro Definition Documentation

#define GPIO_Speed_100MHz   GPIO_High_Speed
#define GPIO_Speed_25MHz   GPIO_Medium_Speed
#define GPIO_Speed_2MHz   GPIO_Low_Speed
#define GPIO_Speed_50MHz   GPIO_Fast_Speed
#define IS_GPIO_ALL_PERIPH (   PERIPH)
Value:
(((PERIPH) == GPIOA) || \
((PERIPH) == GPIOB) || \
((PERIPH) == GPIOC) || \
((PERIPH) == GPIOD) || \
((PERIPH) == GPIOE) || \
((PERIPH) == GPIOF))
#define GPIOA
Definition: stm32f4xx.h:2110
#define GPIOB
Definition: stm32f4xx.h:2111
#define GPIOC
Definition: stm32f4xx.h:2112
#define GPIOD
Definition: stm32f4xx.h:2113
#define GPIOF
Definition: stm32f4xx.h:2115
#define GPIOE
Definition: stm32f4xx.h:2114

Definition at line 50 of file stm32f30x_gpio.h.

#define IS_GPIO_ALL_PERIPH (   PERIPH)
Value:
(((PERIPH) == GPIOA) || \
((PERIPH) == GPIOB) || \
((PERIPH) == GPIOC) || \
((PERIPH) == GPIOD) || \
((PERIPH) == GPIOE) || \
((PERIPH) == GPIOF) || \
((PERIPH) == GPIOG) || \
((PERIPH) == GPIOH) || \
((PERIPH) == GPIOI) || \
((PERIPH) == GPIOJ) || \
((PERIPH) == GPIOK))
#define GPIOK
Definition: stm32f4xx.h:2120
#define GPIOA
Definition: stm32f4xx.h:2110
#define GPIOB
Definition: stm32f4xx.h:2111
#define GPIOG
Definition: stm32f4xx.h:2116
#define GPIOJ
Definition: stm32f4xx.h:2119
#define GPIOC
Definition: stm32f4xx.h:2112
#define GPIOI
Definition: stm32f4xx.h:2118
#define GPIOD
Definition: stm32f4xx.h:2113
#define GPIOH
Definition: stm32f4xx.h:2117
#define GPIOF
Definition: stm32f4xx.h:2115
#define GPIOE
Definition: stm32f4xx.h:2114

Definition at line 50 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

#define IS_GPIO_ALL_PERIPH (   PERIPH)
Value:
(((PERIPH) == GPIOA) || \
((PERIPH) == GPIOB) || \
((PERIPH) == GPIOC) || \
((PERIPH) == GPIOD) || \
((PERIPH) == GPIOE) || \
((PERIPH) == GPIOF) || \
((PERIPH) == GPIOG) || \
((PERIPH) == GPIOH) || \
((PERIPH) == GPIOI))
#define GPIOA
Definition: stm32f4xx.h:2110
#define GPIOB
Definition: stm32f4xx.h:2111
#define GPIOG
Definition: stm32f4xx.h:2116
#define GPIOC
Definition: stm32f4xx.h:2112
#define GPIOI
Definition: stm32f4xx.h:2118
#define GPIOD
Definition: stm32f4xx.h:2113
#define GPIOH
Definition: stm32f4xx.h:2117
#define GPIOF
Definition: stm32f4xx.h:2115
#define GPIOE
Definition: stm32f4xx.h:2114

Definition at line 50 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

#define IS_GPIO_BIT_ACTION (   ACTION)    (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
#define IS_GPIO_BIT_ACTION (   ACTION)    (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
#define IS_GPIO_LIST_PERIPH (   PERIPH)
Value:
(((PERIPH) == GPIOA) || \
((PERIPH) == GPIOB) || \
((PERIPH) == GPIOD))
#define GPIOA
Definition: stm32f4xx.h:2110
#define GPIOB
Definition: stm32f4xx.h:2111
#define GPIOD
Definition: stm32f4xx.h:2113

Definition at line 57 of file stm32f30x_gpio.h.

#define IS_GPIO_MODE (   MODE)
#define IS_GPIO_MODE (   MODE)
#define IS_GPIO_OTYPE (   OTYPE)    (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
#define IS_GPIO_OTYPE (   OTYPE)    (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))
#define IS_GPIO_PUPD (   PUPD)
#define IS_GPIO_PUPD (   PUPD)
#define IS_GPIO_SPEED (   SPEED)
#define IS_GPIO_SPEED (   SPEED)

Enumeration Type Documentation

enum BitAction

GPIO Bit SET and Bit RESET enumeration.

Enumerator
Bit_RESET 
Bit_SET 
Bit_RESET 
Bit_SET 
Bit_RESET 
Bit_SET 
Bit_RESET 
Bit_SET 

Definition at line 113 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

enum BitAction

GPIO Bit SET and Bit RESET enumeration.

Enumerator
Bit_RESET 
Bit_SET 
Bit_RESET 
Bit_SET 
Bit_RESET 
Bit_SET 
Bit_RESET 
Bit_SET 

Definition at line 121 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

GPIO Configuration Mode enumeration.

Enumerator
GPIO_Mode_IN 

GPIO Input Mode

GPIO_Mode_OUT 

GPIO Output Mode

GPIO_Mode_AF 

GPIO Alternate function Mode

GPIO_Mode_AN 

GPIO Analog Mode

GPIO_Mode_IN 

GPIO Input Mode

GPIO_Mode_OUT 

GPIO Output Mode

GPIO_Mode_AF 

GPIO Alternate function Mode

GPIO_Mode_AN 

GPIO Analog Mode

GPIO_Mode_AIN 
GPIO_Mode_IN_FLOATING 
GPIO_Mode_IPD 
GPIO_Mode_IPU 
GPIO_Mode_Out_OD 
GPIO_Mode_Out_PP 
GPIO_Mode_AF_OD 
GPIO_Mode_AF_PP 
GPIO_Mode_IN 

GPIO Input Mode

GPIO_Mode_OUT 

GPIO Output Mode

GPIO_Mode_AF 

GPIO Alternate function Mode

GPIO_Mode_AN 

GPIO Analog In/Out Mode

Definition at line 64 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

GPIO Configuration Mode enumeration.

Enumerator
GPIO_Mode_IN 

GPIO Input Mode

GPIO_Mode_OUT 

GPIO Output Mode

GPIO_Mode_AF 

GPIO Alternate function Mode

GPIO_Mode_AN 

GPIO Analog Mode

GPIO_Mode_IN 

GPIO Input Mode

GPIO_Mode_OUT 

GPIO Output Mode

GPIO_Mode_AF 

GPIO Alternate function Mode

GPIO_Mode_AN 

GPIO Analog Mode

GPIO_Mode_AIN 
GPIO_Mode_IN_FLOATING 
GPIO_Mode_IPD 
GPIO_Mode_IPU 
GPIO_Mode_Out_OD 
GPIO_Mode_Out_PP 
GPIO_Mode_AF_OD 
GPIO_Mode_AF_PP 
GPIO_Mode_IN 

GPIO Input Mode

GPIO_Mode_OUT 

GPIO Output Mode

GPIO_Mode_AF 

GPIO Alternate function Mode

GPIO_Mode_AN 

GPIO Analog In/Out Mode

Definition at line 65 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

GPIO Output type enumeration.

Enumerator
GPIO_OType_PP 
GPIO_OType_OD 
GPIO_OType_PP 
GPIO_OType_OD 
GPIO_OType_PP 
GPIO_OType_OD 

Definition at line 77 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

GPIO Output type enumeration.

Enumerator
GPIO_OType_PP 
GPIO_OType_OD 
GPIO_OType_PP 
GPIO_OType_OD 
GPIO_OType_PP 
GPIO_OType_OD 

Definition at line 78 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

GPIO Configuration PullUp PullDown enumeration.

Enumerator
GPIO_PuPd_NOPULL 
GPIO_PuPd_UP 
GPIO_PuPd_DOWN 
GPIO_PuPd_NOPULL 
GPIO_PuPd_UP 
GPIO_PuPd_DOWN 
GPIO_PuPd_NOPULL 
GPIO_PuPd_UP 
GPIO_PuPd_DOWN 

Definition at line 101 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

GPIO Configuration PullUp PullDown enumeration.

Enumerator
GPIO_PuPd_NOPULL 
GPIO_PuPd_UP 
GPIO_PuPd_DOWN 
GPIO_PuPd_NOPULL 
GPIO_PuPd_UP 
GPIO_PuPd_DOWN 
GPIO_PuPd_NOPULL 
GPIO_PuPd_UP 
GPIO_PuPd_DOWN 

Definition at line 109 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

GPIO Output Maximum frequency enumeration.

Enumerator
GPIO_Low_Speed 

Low speed

GPIO_Medium_Speed 

Medium speed

GPIO_Fast_Speed 

Fast speed

GPIO_High_Speed 

High speed

GPIO_Speed_2MHz 

Low speed

GPIO_Speed_25MHz 

Medium speed

GPIO_Speed_50MHz 

Fast speed

GPIO_Speed_100MHz 

High speed on 30 pF (80 MHz Output max speed on 15 pF)

GPIO_Speed_10MHz 
GPIO_Speed_2MHz 
GPIO_Speed_50MHz 
GPIO_Speed_Level_1 

Fast Speed

GPIO_Speed_Level_2 

Meduim Speed

GPIO_Speed_Level_3 

High Speed

Definition at line 88 of file STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h.

GPIO Output Maximum frequency enumeration.

Enumerator
GPIO_Low_Speed 

Low speed

GPIO_Medium_Speed 

Medium speed

GPIO_Fast_Speed 

Fast speed

GPIO_High_Speed 

High speed

GPIO_Speed_2MHz 

Low speed

GPIO_Speed_25MHz 

Medium speed

GPIO_Speed_50MHz 

Fast speed

GPIO_Speed_100MHz 

High speed on 30 pF (80 MHz Output max speed on 15 pF)

GPIO_Speed_10MHz 
GPIO_Speed_2MHz 
GPIO_Speed_50MHz 
GPIO_Speed_Level_1 

Fast Speed

GPIO_Speed_Level_2 

Meduim Speed

GPIO_Speed_Level_3 

High Speed

Definition at line 89 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.h.

Function Documentation

void GPIO_DeInit ( GPIO_TypeDef GPIOx)

De-initializes the GPIOx peripheral registers to their default reset values.

Deinitializes the GPIOx peripheral registers to their default reset values.

Note
By default, The GPIO pins are configured in input floating mode (except JTAG pins).
Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
Return values
None
Note
By default, The GPIO pins are configured in input floating mode (except JTAG pins).
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
Return values
None
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
Return values
NoneDe-initializes the GPIOx peripheral registers to their default reset values.
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
Return values
None

Definition at line 127 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_Init ( GPIO_TypeDef GPIOx,
GPIO_InitTypeDef GPIO_InitStruct 
)

Initializes the GPIOx peripheral according to the specified parameters in the GPIO_InitStruct.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_InitStructpointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.
Return values
None
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_InitStructpointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.
Return values
None
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_InitStructpointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.
Note
GPIO_Pin: selects the pin to be configured: GPIO_Pin_0->GPIO_Pin_15 for GPIOA, GPIOB, GPIOC, GPIOD and GPIOE; GPIO_Pin_0->GPIO_Pin_2, GPIO_Pin_4, GPIO_Pin_6, GPIO_Pin_9 and GPIO_Pin_10 for GPIOF.
Return values
None
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
GPIO_InitStructpointer to a GPIO_InitTypeDef structure that contains the configuration information for the specified GPIO peripheral.
Return values
None

Definition at line 202 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_PinAFConfig ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_PinSource,
uint8_t  GPIO_AF 
)

Changes the mapping of the specified pin.

Writes data to the specified GPIO data port.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_PinSourcespecifies the pin for the Alternate function. This parameter can be GPIO_PinSourcex where x can be (0..15).
GPIO_AFSelectionselects the pin to used as Alternate function. This parameter can be one of the following values:
  • GPIO_AF_RTC_50Hz: Connect RTC_50Hz pin to AF0 (default after reset)
  • GPIO_AF_MCO: Connect MCO pin (MCO1 and MCO2) to AF0 (default after reset)
  • GPIO_AF_TAMPER: Connect TAMPER pins (TAMPER_1 and TAMPER_2) to AF0 (default after reset)
  • GPIO_AF_SWJ: Connect SWJ pins (SWD and JTAG)to AF0 (default after reset)
  • GPIO_AF_TRACE: Connect TRACE pins to AF0 (default after reset)
  • GPIO_AF_TIM1: Connect TIM1 pins to AF1
  • GPIO_AF_TIM2: Connect TIM2 pins to AF1
  • GPIO_AF_TIM3: Connect TIM3 pins to AF2
  • GPIO_AF_TIM4: Connect TIM4 pins to AF2
  • GPIO_AF_TIM5: Connect TIM5 pins to AF2
  • GPIO_AF_TIM8: Connect TIM8 pins to AF3
  • GPIO_AF_TIM9: Connect TIM9 pins to AF3
  • GPIO_AF_TIM10: Connect TIM10 pins to AF3
  • GPIO_AF_TIM11: Connect TIM11 pins to AF3
  • GPIO_AF_I2C1: Connect I2C1 pins to AF4
  • GPIO_AF_I2C2: Connect I2C2 pins to AF4
  • GPIO_AF_I2C3: Connect I2C3 pins to AF4
  • GPIO_AF_SPI1: Connect SPI1 pins to AF5
  • GPIO_AF_SPI2: Connect SPI2/I2S2 pins to AF5
  • GPIO_AF_SPI4: Connect SPI4 pins to AF5
  • GPIO_AF_SPI5: Connect SPI5 pins to AF5
  • GPIO_AF_SPI6: Connect SPI6 pins to AF5
  • GPIO_AF_SAI1: Connect SAI1 pins to AF6 for STM32F42xxx/43xxx devices.
  • GPIO_AF_SPI3: Connect SPI3/I2S3 pins to AF6
  • GPIO_AF_I2S3ext: Connect I2S3ext pins to AF7
  • GPIO_AF_USART1: Connect USART1 pins to AF7
  • GPIO_AF_USART2: Connect USART2 pins to AF7
  • GPIO_AF_USART3: Connect USART3 pins to AF7
  • GPIO_AF_UART4: Connect UART4 pins to AF8
  • GPIO_AF_UART5: Connect UART5 pins to AF8
  • GPIO_AF_USART6: Connect USART6 pins to AF8
  • GPIO_AF_UART7: Connect UART7 pins to AF8
  • GPIO_AF_UART8: Connect UART8 pins to AF8
  • GPIO_AF_CAN1: Connect CAN1 pins to AF9
  • GPIO_AF_CAN2: Connect CAN2 pins to AF9
  • GPIO_AF_TIM12: Connect TIM12 pins to AF9
  • GPIO_AF_TIM13: Connect TIM13 pins to AF9
  • GPIO_AF_TIM14: Connect TIM14 pins to AF9
  • GPIO_AF_OTG_FS: Connect OTG_FS pins to AF10
  • GPIO_AF_OTG_HS: Connect OTG_HS pins to AF10
  • GPIO_AF_ETH: Connect ETHERNET pins to AF11
  • GPIO_AF_FSMC: Connect FSMC pins to AF12
  • GPIO_AF_FMC: Connect FMC pins to AF12 for STM32F42xxx/43xxx devices.
  • GPIO_AF_OTG_HS_FS: Connect OTG HS (configured in FS) pins to AF12
  • GPIO_AF_SDIO: Connect SDIO pins to AF12
  • GPIO_AF_DCMI: Connect DCMI pins to AF13
  • GPIO_AF_LTDC: Connect LTDC pins to AF14 for STM32F429xx/439xx devices.
  • GPIO_AF_EVENTOUT: Connect EVENTOUT pins to AF15
Return values
None
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_PinSourcespecifies the pin for the Alternate function. This parameter can be GPIO_PinSourcex where x can be (0..15).
GPIO_AFSelectionselects the pin to used as Alternate function. This parameter can be one of the following values:
  • GPIO_AF_RTC_50Hz: Connect RTC_50Hz pin to AF0 (default after reset)
  • GPIO_AF_MCO: Connect MCO pin (MCO1 and MCO2) to AF0 (default after reset)
  • GPIO_AF_TAMPER: Connect TAMPER pins (TAMPER_1 and TAMPER_2) to AF0 (default after reset)
  • GPIO_AF_SWJ: Connect SWJ pins (SWD and JTAG)to AF0 (default after reset)
  • GPIO_AF_TRACE: Connect TRACE pins to AF0 (default after reset)
  • GPIO_AF_TIM1: Connect TIM1 pins to AF1
  • GPIO_AF_TIM2: Connect TIM2 pins to AF1
  • GPIO_AF_TIM3: Connect TIM3 pins to AF2
  • GPIO_AF_TIM4: Connect TIM4 pins to AF2
  • GPIO_AF_TIM5: Connect TIM5 pins to AF2
  • GPIO_AF_TIM8: Connect TIM8 pins to AF3
  • GPIO_AF_TIM9: Connect TIM9 pins to AF3
  • GPIO_AF_TIM10: Connect TIM10 pins to AF3
  • GPIO_AF_TIM11: Connect TIM11 pins to AF3
  • GPIO_AF_I2C1: Connect I2C1 pins to AF4
  • GPIO_AF_I2C2: Connect I2C2 pins to AF4
  • GPIO_AF_I2C3: Connect I2C3 pins to AF4
  • GPIO_AF_SPI1: Connect SPI1 pins to AF5
  • GPIO_AF_SPI2: Connect SPI2/I2S2 pins to AF5
  • GPIO_AF_SPI4: Connect SPI4 pins to AF5
  • GPIO_AF_SPI5: Connect SPI5 pins to AF5
  • GPIO_AF_SPI6: Connect SPI6 pins to AF5
  • GPIO_AF_SPI3: Connect SPI3/I2S3 pins to AF6
  • GPIO_AF_I2S3ext: Connect I2S3ext pins to AF7
  • GPIO_AF_USART1: Connect USART1 pins to AF7
  • GPIO_AF_USART2: Connect USART2 pins to AF7
  • GPIO_AF_USART3: Connect USART3 pins to AF7
  • GPIO_AF_UART4: Connect UART4 pins to AF8
  • GPIO_AF_UART5: Connect UART5 pins to AF8
  • GPIO_AF_USART6: Connect USART6 pins to AF8
  • GPIO_AF_UART7: Connect UART7 pins to AF8
  • GPIO_AF_UART8: Connect UART8 pins to AF8
  • GPIO_AF_CAN1: Connect CAN1 pins to AF9
  • GPIO_AF_CAN2: Connect CAN2 pins to AF9
  • GPIO_AF_TIM12: Connect TIM12 pins to AF9
  • GPIO_AF_TIM13: Connect TIM13 pins to AF9
  • GPIO_AF_TIM14: Connect TIM14 pins to AF9
  • GPIO_AF_OTG_FS: Connect OTG_FS pins to AF10
  • GPIO_AF_OTG_HS: Connect OTG_HS pins to AF10
  • GPIO_AF_ETH: Connect ETHERNET pins to AF11
  • GPIO_AF_FSMC: Connect FSMC pins to AF12
  • GPIO_AF_OTG_HS_FS: Connect OTG HS (configured in FS) pins to AF12
  • GPIO_AF_SDIO: Connect SDIO pins to AF12
  • GPIO_AF_DCMI: Connect DCMI pins to AF13
  • GPIO_AF_EVENTOUT: Connect EVENTOUT pins to AF15
Return values
None
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_PinSourcespecifies the pin for the Alternate function. This parameter can be GPIO_PinSourcex where x can be (0..15).
GPIO_AFselects the pin to be used as Alternate function. This parameter can be one of the following value:
  • GPIO_AF_0: JTCK-SWCLK, JTDI, JTDO/TRACESW0, JTMS-SWDAT, MCO, NJTRST, TRACED, TRACECK.
  • GPIO_AF_1: OUT, TIM2, TIM15, TIM16, TIM17.
  • GPIO_AF_2: COMP1_OUT, TIM1, TIM2, TIM3, TIM4, TIM8, TIM15, TIM16.
  • GPIO_AF_3: COMP7_OUT, TIM8, TIM15, Touch, HRTIM.
  • GPIO_AF_4: I2C1, I2C2, TIM1, TIM8, TIM16, TIM17.
  • GPIO_AF_5: IR_OUT, I2S2, I2S3, SPI1, SPI2, TIM8, USART4, USART5
  • GPIO_AF_6: IR_OUT, I2S2, I2S3, SPI2, SPI3, TIM1, TIM8
  • GPIO_AF_7: AOP2_OUT, CAN, COMP3_OUT, COMP5_OUT, COMP6_OUT, USART1, USART2, USART3.
  • GPIO_AF_8: COMP1_OUT, COMP2_OUT, COMP3_OUT, COMP4_OUT, COMP5_OUT, COMP6_OUT.
  • GPIO_AF_9: AOP4_OUT, CAN, TIM1, TIM8, TIM15.
  • GPIO_AF_10: AOP1_OUT, AOP3_OUT, TIM2, TIM3, TIM4, TIM8, TIM17.
  • GPIO_AF_11: TIM1, TIM8.
  • GPIO_AF_12: TIM1, HRTIM.
  • GPIO_AF_13: HRTIM, AOP2_OUT.
  • GPIO_AF_14: USBDM, USBDP.
  • GPIO_AF_15: OUT.
Note
The pin should already been configured in Alternate Function mode(AF) using GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF
Refer to the Alternate function mapping table in the device datasheet for the detailed mapping of the system and peripherals alternate function I/O pins.
Return values
None

Definition at line 579 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_PinLockConfig ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_Pin 
)

Locks GPIO Pins configuration registers.

Locks GPIO Pins configuration registers. The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.

Note
The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.
The configuration of the locked GPIO pins can no longer be modified until the next reset.
Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pinspecifies the port bit to be locked. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None
Note
The locked registers are GPIOx_MODER, GPIOx_OTYPER, GPIOx_OSPEEDR, GPIOx_PUPDR, GPIOx_AFRL and GPIOx_AFRH.
The configuration of the locked GPIO pins can no longer be modified until the next reset.
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pinspecifies the port bit to be locked. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None
Note
The configuration of the locked GPIO pins can no longer be modified until the next reset.
Parameters
GPIOxwhere x can be (A or B or D) to select the GPIO peripheral.
GPIO_Pinspecifies the port bit to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
GPIO_Pinspecifies the port bit to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None

Definition at line 277 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint16_t GPIO_ReadInputData ( GPIO_TypeDef GPIOx)

Reads the specified GPIO input data port.

Reads the specified input port pin.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
Return values
GPIOinput data port value.
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
Return values
GPIOinput data port value.
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
Return values
Theinput port pin value.
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
Return values
GPIOinput data port value.

Definition at line 349 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint8_t GPIO_ReadInputDataBit ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_Pin 
)

Reads the specified input port pin.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pinspecifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).
Return values
Theinput port pin value.
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pinspecifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).
Return values
Theinput port pin value.
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pinspecifies the port bit to read.
Note
This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.
Return values
Theinput port pin value.
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
GPIO_Pinspecifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).
Return values
Theinput port pin value.

Definition at line 323 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint16_t GPIO_ReadOutputData ( GPIO_TypeDef GPIOx)

Reads the specified GPIO output data port.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
Return values
GPIOoutput data port value.
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
Return values
GPIOoutput data port value.
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
Return values
GPIOoutput data port value.
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
Return values
GPIOoutput data port value.

Definition at line 392 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

uint8_t GPIO_ReadOutputDataBit ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_Pin 
)

Reads the specified output data port bit.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pinspecifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).
Return values
Theoutput port pin value.
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pinspecifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).
Return values
Theoutput port pin value.
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_PinSpecifies the port bit to read.
Note
This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.
Return values
Theoutput port pin value.
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
GPIO_Pinspecifies the port bit to read. This parameter can be GPIO_Pin_x where x can be (0..15).
Return values
Theoutput port pin value.

Definition at line 366 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_ResetBits ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_Pin 
)

Clears the selected data port bits.

Note
This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.
Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pinspecifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None
Note
This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pinspecifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pinspecifies the port bits to be written.
Note
This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.
Return values
None
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
GPIO_Pinspecifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None

Definition at line 433 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_SetBits ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_Pin 
)

Sets the selected data port bits.

Note
This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.
Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pinspecifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None
Note
This functions uses GPIOx_BSRR register to allow atomic read/modify accesses. In this way, there is no risk of an IRQ occurring between the read and the modify access.
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pinspecifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pinspecifies the port bits to be written.
Note
This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.
Return values
None
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
GPIO_Pinspecifies the port bits to be written. This parameter can be any combination of GPIO_Pin_x where x can be (0..15).
Return values
None

Definition at line 412 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_StructInit ( GPIO_InitTypeDef GPIO_InitStruct)

Fills each GPIO_InitStruct member with its default value.

Parameters
GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure which will be initialized.
Return values
None
Parameters
GPIO_InitStructpointer to a GPIO_InitTypeDef structure which will be initialized.
Return values
None
Parameters
GPIO_InitStruct: pointer to a GPIO_InitTypeDef structure which will be initialized.
Return values
None

Definition at line 254 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_ToggleBits ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_Pin 
)

Toggles the specified GPIO pins..

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_PinSpecifies the pins to be toggled.
Return values
None
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_PinSpecifies the pins to be toggled.
Return values
None

Definition at line 496 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_Write ( GPIO_TypeDef GPIOx,
uint16_t  PortVal 
)

Writes data to the specified GPIO data port.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
PortValspecifies the value to be written to the port output data register.
Return values
None
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
PortValspecifies the value to be written to the port output data register.
Return values
None
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
PortValspecifies the value to be written to the port output data register.
Return values
None
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
PortValspecifies the value to be written to the port output data register.
Return values
None

Definition at line 480 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.

void GPIO_WriteBit ( GPIO_TypeDef GPIOx,
uint16_t  GPIO_Pin,
BitAction  BitVal 
)

Sets or clears the selected data port bit.

Parameters
GPIOxwhere x can be (A..K) to select the GPIO peripheral for STM32F405xx/407xx and STM32F415xx/417xx devices x can be (A..I) to select the GPIO peripheral for STM32F42xxx/43xxx devices. x can be (A, B, C, D and H) to select the GPIO peripheral for STM32F401xx devices.
GPIO_Pinspecifies the port bit to be written. This parameter can be one of GPIO_Pin_x where x can be (0..15).
BitValspecifies the value to be written to the selected bit. This parameter can be one of the BitAction enum values:
  • Bit_RESET: to clear the port pin
  • Bit_SET: to set the port pin
Return values
None
Parameters
GPIOxwhere x can be (A..I) to select the GPIO peripheral for STM32F40xx/41xx and STM32F427x/437x devices.
GPIO_Pinspecifies the port bit to be written. This parameter can be one of GPIO_Pin_x where x can be (0..15).
BitValspecifies the value to be written to the selected bit. This parameter can be one of the BitAction enum values:
  • Bit_RESET: to clear the port pin
  • Bit_SET: to set the port pin
Return values
None
Parameters
GPIOxwhere x can be (A, B, C, D, E or F) to select the GPIO peripheral.
GPIO_Pinspecifies the port bit to be written.
Note
This parameter can be GPIO_Pin_x where x can be : (0..15) for GPIOA, GPIOB, GPIOC, GPIOD or GPIOE; (0..2, 4, 6, 9..10) for GPIOF.
Parameters
BitValspecifies the value to be written to the selected bit. This parameter can be one of the BitAction enumeration values:
  • Bit_RESET: to clear the port pin
  • Bit_SET: to set the port pin
Return values
None
Parameters
GPIOxwhere x can be (A..G) to select the GPIO peripheral.
GPIO_Pinspecifies the port bit to be written. This parameter can be one of GPIO_Pin_x where x can be (0..15).
BitValspecifies the value to be written to the selected bit. This parameter can be one of the BitAction enum values:
  • Bit_RESET: to clear the port pin
  • Bit_SET: to set the port pin
Return values
None

Definition at line 455 of file CMSIS/CM4/DeviceSupport/ST/STM32F4xx/stm32f4xx_gpio.c.



rosflight_firmware
Author(s): Daniel Koch , James Jackson
autogenerated on Thu Oct 24 2019 03:17:21