pios_dio.h File Reference

Go to the source code of this file.

Macros
#define	DIO_NULL   ((uintptr_t) 0)
#define	DIO_BASE   ( (uintptr_t) GPIOA )
#define	DIO_PORT_OFFSET(port)   (((uintptr_t) (port)) - DIO_BASE)
#define	DIO_MAKE_TAG(port, pin)   ((uintptr_t) ((DIO_PORT_OFFSET(port) << 16) | ((uint16_t) (pin))))
#define	GPIOA_DIO(pin_num)   DIO_MAKE_TAG(GPIOA, 1<<(pin_num))
#define	GPIOB_DIO(pin_num)   DIO_MAKE_TAG(GPIOB, 1<<(pin_num))
#define	GPIOC_DIO(pin_num)   DIO_MAKE_TAG(GPIOC, 1<<(pin_num))
#define	GPIOD_DIO(pin_num)   DIO_MAKE_TAG(GPIOD, 1<<(pin_num))
#define	GPIOE_DIO(pin_num)   DIO_MAKE_TAG(GPIOE, 1<<(pin_num))
#define	GPIOF_DIO(pin_num)   DIO_MAKE_TAG(GPIOF, 1<<(pin_num))
#define	GET_DIO_PORT(dio)   ( (GPIO_TypeDef *) (((dio) >> 16) + DIO_BASE) )
#define	GET_DIO_PIN(dio)   ((dio) & 0xffff)
#define	_DIO_PRELUDE_RET(s)
#define	_DIO_PRELUDE
#define	DIO_SETREGS_FOURWIDE(reglow, reghigh, idx, val)
#define	DIO_SETREG_TWOWIDE(reg, idx, val)
#define	DIO_SETREG_ONEWIDE(reg, idx, val)

Typedefs
typedef uintptr_t	dio_tag_t

Enumerations
enum	dio_pin_function { DIO_PIN_INPUT = 0, DIO_PIN_OUTPUT = 1, DIO_PIN_ALTFUNC = 2, DIO_PIN_ANALOG = 3 }
enum	dio_pull { DIO_PULL_NONE = 0, DIO_PULL_UP, DIO_PULL_DOWN }

Functions
static void	dio_set_altfunc_output (dio_tag_t t, int alt_func, bool open_collector, enum dio_drive_strength strength)
	Configures a GPIO as alternate function output. More...
static void	dio_set_altfunc_input (dio_tag_t t, int alt_func, enum dio_pull pull)
	Configures a GPIO as alternate function input. More...
static void	dio_set_analog (dio_tag_t t)
	Configures a GPIO as analog. Disables pullups/pulldowns, etc. More...
static void	dio_set_output (dio_tag_t t, bool open_collector, enum dio_drive_strength strength, bool first_value)
	Configures a GPIO as an output. More...
static void	dio_toggle (dio_tag_t t)
	Toggles an output GPIO to the opposite level. More...
static void	dio_high (dio_tag_t t)
	Sets an output GPIO high. More...
static void	dio_low (dio_tag_t t)
	Sets an output GPIO low. More...
static void	dio_write (dio_tag_t t, bool high)
	Sets an output GPIO to a chosen logical level. More...
static void	dio_set_input (dio_tag_t t, enum dio_pull pull)
	Configures a GPIO as an input. More...
static bool	dio_read (dio_tag_t t)
	Reads a GPIO logical value. More...