gpio_hal.h File Reference

#include "hal_types.h"
#include "exti.h"

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Classes
struct	gpio_dev

Macros
#define	Bit_RESET   0
#define	Bit_SET   1

Typedefs
typedef enum gpio_pin_mode	gpio_pin_mode
	GPIO Pin modes. More...
typedef struct gpio_dev	gpio_dev

Enumerations
enum	gpio_pin_mode {   GPIO_INPUT_FLOATING, GPIO_OUTPUT_PP, GPIO_AF_OUTPUT_PP, GPIO_INPUT_ANALOG,   GPIO_INPUT_PD, GPIO_INPUT_PU, GPIO_OUTPUT_OD, GPIO_OUTPUT_OD_PU,   GPIO_AF_OUTPUT_OD, GPIO_AF_OUTPUT_OD_PU, GPIO_PIN_MODE_LAST }
	GPIO Pin modes. More...
enum	GPIOSpeed_t { GPIO_speed_2MHz = 0x00, GPIO_speed_25MHz = 0x01, GPIO_speed_50MHz = 0x02, GPIO_speed_100MHz = 0x03 }

Functions
void	gpio_init (const gpio_dev *const dev)
void	gpio_init_all (void)
void	gpio_set_mode (const gpio_dev *const dev, uint8_t pin, gpio_pin_mode mode)
static void	gpio_set_af_mode (const gpio_dev *const dev, uint8_t pin, uint8_t mode)
static INLINE void	gpio_write_bit (const gpio_dev *const dev, uint8_t pin, uint8_t val)
static INLINE uint8_t	gpio_read_bit (const gpio_dev *const dev, uint8_t pin)
static void	gpio_toggle_bit (const gpio_dev *const dev, uint8_t pin)
static afio_exti_port	gpio_exti_port (const gpio_dev *const dev)
static void	gpio_set_speed (const gpio_dev *const dev, uint8_t pin, GPIOSpeed_t gpio_speed)
static void	afio_exti_select (afio_exti_port gpio_port, afio_exti_num pin)

Variables
const gpio_dev	gpioa
const gpio_dev *const	_GPIOA
const gpio_dev	gpiob
const gpio_dev *const	_GPIOB
const gpio_dev	gpioc
const gpio_dev *const	_GPIOC
const gpio_dev	gpiod
const gpio_dev *const	_GPIOD
const gpio_dev	gpioe
const gpio_dev *const	_GPIOE
const gpio_dev	gpiof
const gpio_dev *const	_GPIOF
const gpio_dev	gpiog
const gpio_dev *const	_GPIOG

Macro Definition Documentation

Bit_RESET

#define Bit_RESET   0

Definition at line 39 of file gpio_hal.h.

Referenced by gpio_read_bit().

Bit_SET

#define Bit_SET   1

Definition at line 40 of file gpio_hal.h.

Referenced by gpio_read_bit().

Typedef Documentation

gpio_dev

typedef struct gpio_dev gpio_dev

GPIO device type

gpio_pin_mode

typedef enum gpio_pin_mode gpio_pin_mode

GPIO Pin modes.

These only allow for 50MHZ max output speeds; if you want slower, use direct register access.

Enumeration Type Documentation

gpio_pin_mode

enum gpio_pin_mode

GPIO Pin modes.

These only allow for 50MHZ max output speeds; if you want slower, use direct register access.

Enumerator
GPIO_INPUT_FLOATING	Input floating.
GPIO_OUTPUT_PP	Output push-pull.
GPIO_AF_OUTPUT_PP	Alternate function output push-pull.
GPIO_INPUT_ANALOG	Analog input.
GPIO_INPUT_PD	Input pull-down.
GPIO_INPUT_PU	Input pull-up.
GPIO_OUTPUT_OD	Output open-drain.
GPIO_OUTPUT_OD_PU	Output open-drain with pullUp
GPIO_AF_OUTPUT_OD	Alternate function output open drain.
GPIO_AF_OUTPUT_OD_PU	Alternate function output open drain with pullup
GPIO_PIN_MODE_LAST

Definition at line 23 of file gpio_hal.h.

GPIOSpeed_t

enum GPIOSpeed_t

Enumerator
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)

Definition at line 42 of file gpio_hal.h.

Function Documentation

afio_exti_select()

static void afio_exti_select ( afio_exti_port  gpio_port, afio_exti_num  pin  )

inlinestatic

Definition at line 168 of file gpio_hal.h.

Referenced by exti_attach_interrupt(), and exti_attach_interrupt_pri().

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gpio_exti_port()

static afio_exti_port gpio_exti_port ( const gpio_dev *const  dev )

inlinestatic

Definition at line 153 of file gpio_hal.h.

Referenced by F4Light::GPIO::_attach_interrupt().

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gpio_init()

void gpio_init

(

const gpio_dev *const

dev

)

Initialize a GPIO device.

gpio_init_all()

void gpio_init_all

(

void

)

Initialize and reset all available GPIO devices.

Definition at line 90 of file gpio_hal.c.

Referenced by F4Light::GPIO::init().

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gpio_read_bit()

static INLINE uint8_t gpio_read_bit ( const gpio_dev *const  dev, uint8_t  pin  )

static

Definition at line 130 of file gpio_hal.h.

Referenced by F4Light::DigitalSource::_read(), F4Light::GPIO::_read(), i2c_bus_reset(), is_usb_connected(), and F4Light::GPIO::usb_connected().

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gpio_set_af_mode()

static void gpio_set_af_mode ( const gpio_dev *const  dev, uint8_t  pin, uint8_t  mode  )

inlinestatic

Set the alternate function mode of a GPIO pin.

Parameters

dev	GPIO device.
pin	Pin on the device whose mode to set, 0–15.
mode	alternate function mode to set the pin to.

See also

gpio_pin_mode

Definition at line 102 of file gpio_hal.h.

Referenced by F4Light::GPIO::_pinMode(), F4Light::UARTDriver::begin(), i2c_lowLevel_init(), pwmInitializeInput(), spi_gpio_master_cfg(), and usb_periphcfg().

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gpio_set_mode()

void gpio_set_mode	(	const gpio_dev *const	dev,
		uint8_t	pin,
		gpio_pin_mode	mode
	)

Set the mode of a GPIO pin.

Definition at line 125 of file gpio_hal.c.

Referenced by F4Light::GPIO::_pinMode(), F4Light::UARTDriver::begin(), boardInit(), i2c_master_release_bus(), F4Light::SPIDevice::init(), Soft_I2C::init_hw(), F4Light::DigitalSource::mode(), pwmInitializeInput(), F4Light::AnalogSource::setup_read(), spi_gpio_master_cfg(), spi_gpio_slave_cfg(), F4Light::AnalogSource::stop_read(), usb_close(), usb_periphcfg(), and usb_setParams().

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gpio_set_speed()

static void gpio_set_speed ( const gpio_dev *const  dev, uint8_t  pin, GPIOSpeed_t  gpio_speed  )

inlinestatic

Definition at line 161 of file gpio_hal.h.

Referenced by F4Light::GPIO::_pinMode(), F4Light::GPIO::_setSpeed(), F4Light::SPIDevice::init(), Soft_I2C::init_hw(), F4Light::DigitalSource::mode(), and spi_gpio_master_cfg().

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gpio_toggle_bit()

static void gpio_toggle_bit ( const gpio_dev *const  dev, uint8_t  pin  )

inlinestatic

Definition at line 145 of file gpio_hal.h.

Referenced by F4Light::GPIO::_toggle(), and F4Light::DigitalSource::toggle().

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gpio_write_bit()

static INLINE void gpio_write_bit ( const gpio_dev *const  dev, uint8_t  pin, uint8_t  val  )

static

Definition at line 115 of file gpio_hal.h.

Referenced by __attribute__(), F4Light::DigitalSource::_write(), F4Light::GPIO::_write(), boardInit(), i2c_bus_reset(), i2c_master_release_bus(), F4Light::SPIDevice::init(), F4Light::AnalogSource::setup_read(), and F4Light::AnalogSource::stop_read().

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Variable Documentation

_GPIOA

const gpio_dev* const _GPIOA

GPIO port A device.

Definition at line 23 of file gpio_hal.c.

Referenced by usb_periphcfg().

_GPIOB

const gpio_dev* const _GPIOB

GPIO port B device.

Definition at line 31 of file gpio_hal.c.

_GPIOC

const gpio_dev* const _GPIOC

GPIO port C device.

Definition at line 39 of file gpio_hal.c.

_GPIOD

const gpio_dev* const _GPIOD

GPIO port D device.

Definition at line 47 of file gpio_hal.c.

_GPIOE

const gpio_dev* const _GPIOE

GPIO port E device.

Definition at line 55 of file gpio_hal.c.

_GPIOF

const gpio_dev* const _GPIOF

GPIO port F device.

Definition at line 63 of file gpio_hal.c.

_GPIOG

const gpio_dev* const _GPIOG

GPIO port G device.

Definition at line 71 of file gpio_hal.c.

gpioa

const gpio_dev gpioa

Definition at line 17 of file gpio_hal.c.

gpiob

const gpio_dev gpiob

Definition at line 25 of file gpio_hal.c.

gpioc

const gpio_dev gpioc

Definition at line 33 of file gpio_hal.c.

gpiod

const gpio_dev gpiod

Definition at line 41 of file gpio_hal.c.

gpioe

const gpio_dev gpioe

Definition at line 49 of file gpio_hal.c.

gpiof

const gpio_dev gpiof

Definition at line 57 of file gpio_hal.c.

gpiog

const gpio_dev gpiog

Definition at line 65 of file gpio_hal.c.