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GPIO Read and Write
Functions

GPIO Read and Write
[GPIO_Private_Functions]

GPIO Read and Write. More...

Functions

uint8_t GPIO_ReadInputDataBit_mort (GPIO_TypeDef_mort *GPIOx, uint16_t GPIO_Pin)
 Reads the specified input port pin.
uint16_t GPIO_ReadInputData_mort (GPIO_TypeDef_mort *GPIOx)
 Reads the specified GPIO input data port.
uint8_t GPIO_ReadOutputDataBit_mort (GPIO_TypeDef_mort *GPIOx, uint16_t GPIO_Pin)
 Reads the specified output data port bit.
uint16_t GPIO_ReadOutputData_mort (GPIO_TypeDef_mort *GPIOx)
 Reads the specified GPIO output data port.
void GPIO_SetBits_mort (GPIO_TypeDef_mort *GPIOx, uint16_t GPIO_Pin)
 Sets the selected data port bits.
void GPIO_ResetBits_mort (GPIO_TypeDef_mort *GPIOx, uint16_t GPIO_Pin)
 Clears the selected data port bits.
void GPIO_WriteBit_mort (GPIO_TypeDef_mort *GPIOx, uint16_t GPIO_Pin, BitAction BitVal)
 Sets or clears the selected data port bit.
void GPIO_Write_mort (GPIO_TypeDef_mort *GPIOx, uint16_t PortVal)
 Writes data to the specified GPIO data port.
void GPIO_ToggleBits_mort (GPIO_TypeDef_mort *GPIOx, uint16_t GPIO_Pin)
 Toggles the specified GPIO pins.

Detailed Description

GPIO Read and Write. 

 ===============================================================================
                         ##### GPIO Read and Write #####
 ===============================================================================

Function Documentation

uint16_t GPIO_ReadInputData_mort ( GPIO_TypeDef_mort *  GPIOx )

Reads the specified GPIO input data port.

Parameters:
GPIOx,:where 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.

Definition at line 349 of file stm32f4xx_gpio_mort.c.

uint8_t GPIO_ReadInputDataBit_mort ( GPIO_TypeDef_mort *  GPIOx,
uint16_t  GPIO_Pin 
)

Reads the specified input port pin.

Parameters:
GPIOx,:where 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_Pin,:specifies 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 stm32f4xx_gpio_mort.c.

uint16_t GPIO_ReadOutputData_mort ( GPIO_TypeDef_mort *  GPIOx )

Reads the specified GPIO output data port.

Parameters:
GPIOx,:where 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.

Definition at line 392 of file stm32f4xx_gpio_mort.c.

uint8_t GPIO_ReadOutputDataBit_mort ( GPIO_TypeDef_mort *  GPIOx,
uint16_t  GPIO_Pin 
)

Reads the specified output data port bit.

Parameters:
GPIOx,:where 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_Pin,:specifies 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 stm32f4xx_gpio_mort.c.

void GPIO_ResetBits_mort ( GPIO_TypeDef_mort *  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:
GPIOx,:where 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_Pin,:specifies 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 stm32f4xx_gpio_mort.c.

void GPIO_SetBits_mort ( GPIO_TypeDef_mort *  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:
GPIOx,:where 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_Pin,:specifies 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 stm32f4xx_gpio_mort.c.

void GPIO_ToggleBits_mort ( GPIO_TypeDef_mort *  GPIOx,
uint16_t  GPIO_Pin 
)

Toggles the specified GPIO pins.

Parameters:
GPIOx,:where 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_Pin,:Specifies the pins to be toggled.
Return values:
None

Definition at line 496 of file stm32f4xx_gpio_mort.c.

void GPIO_Write_mort ( GPIO_TypeDef_mort *  GPIOx,
uint16_t  PortVal 
)

Writes data to the specified GPIO data port.

Parameters:
GPIOx,:where 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.
PortVal,:specifies the value to be written to the port output data register.
Return values:
None

Definition at line 480 of file stm32f4xx_gpio_mort.c.

void GPIO_WriteBit_mort ( GPIO_TypeDef_mort *  GPIOx,
uint16_t  GPIO_Pin,
BitAction  BitVal 
)

Sets or clears the selected data port bit.

Parameters:
GPIOx,:where 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_Pin,:specifies the port bit to be written. This parameter can be one of GPIO_Pin_x where x can be (0..15).
BitVal,:specifies 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 stm32f4xx_gpio_mort.c.

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