gpio.h File Reference

Go to the source code of this file.

Classes
struct	pulse

Macros
#define	SETUP_OK   0
#define	SETUP_DEVMEM_FAIL   1
#define	SETUP_MALLOC_FAIL   2
#define	SETUP_MMAP_FAIL   3
#define	GPIO_COUNT   54
#define	IN   0
#define	OUT   1
#define	ALT5   2
#define	ALT4   3
#define	ALT0   4
#define	ALT1   5
#define	ALT2   6
#define	ALT3   7
#define	PWM   8
#define	LOW   0
#define	HIGH   1
#define	PUD_OFF   0
#define	PUD_DOWN   1
#define	PUD_UP   2
#define	RATIO   1
#define	ANGLE   2

Functions
int	setup (void)
int	get_function (int gpio)
void	set_function (int gpio, int function, int pud)
int	input (int gpio)
void	output (int gpio, int value)
void	outputSequence (int gpio, int period, char *sequence)
struct pulse *	getPulse (int gpio)
void	pulseMilli (int gpio, int up, int down)
void	pulseMilliRatio (int gpio, int width, float ratio)
void	pulseMicro (int gpio, int up, int down)
void	pulseMicroRatio (int gpio, int width, float ratio)
void	pulseAngle (int gpio, float angle)
void	pulseRatio (int gpio, float ratio)
void	enablePWM (int gpio)
void	disablePWM (int gpio)
int	isPWMEnabled (int gpio)
void	cleanup (void)

Macro Definition Documentation

#define ALT0   4

Definition at line 34 of file gpio.h.

Referenced by initGPIO().

#define ALT1   5

Definition at line 35 of file gpio.h.

Referenced by initGPIO().

#define ALT2   6

Definition at line 36 of file gpio.h.

Referenced by initGPIO().

#define ALT3   7

Definition at line 37 of file gpio.h.

Referenced by initGPIO().

#define ALT4   3

Definition at line 33 of file gpio.h.

Referenced by initGPIO().

#define ALT5   2

Definition at line 32 of file gpio.h.

Referenced by initGPIO().

#define ANGLE   2

Definition at line 48 of file gpio.h.

Referenced by pulseAngle().

#define GPIO_COUNT   54

Definition at line 28 of file gpio.h.

Referenced by initGPIO(), py_disablePWM(), py_enablePWM(), py_get_function(), py_get_function_string(), py_getPulse(), py_input(), py_isPWMEnabled(), py_output(), py_output_sequence(), py_pulse(), py_pulseAngle(), py_pulseMicro(), py_pulseMicroRatio(), py_pulseMilli(), py_pulseMilliRatio(), py_pulseRatio(), and py_set_function().

#define HIGH   1

Definition at line 41 of file gpio.h.

Referenced by initGPIO().

#define IN   0

Definition at line 30 of file gpio.h.

Referenced by initGPIO(), and py_set_function().

#define LOW   0

Definition at line 40 of file gpio.h.

Referenced by initGPIO().

#define OUT   1

Definition at line 31 of file gpio.h.

Referenced by get_function(), initGPIO(), py_output(), py_output_sequence(), py_pulseAngle(), py_pulseMicro(), py_pulseMicroRatio(), py_pulseMilli(), py_pulseMilliRatio(), py_pulseRatio(), py_set_function(), and set_function().

#define PUD_DOWN   1

Definition at line 44 of file gpio.h.

Referenced by initGPIO(), py_set_function(), and set_pullupdn().

#define PUD_OFF   0

Definition at line 43 of file gpio.h.

Referenced by initGPIO(), and py_set_function().

#define PUD_UP   2

Definition at line 45 of file gpio.h.

Referenced by initGPIO(), py_set_function(), and set_pullupdn().

#define PWM   8

Definition at line 38 of file gpio.h.

Referenced by get_function(), initGPIO(), Test::main(), py_pulseAngle(), py_pulseMicro(), py_pulseMicroRatio(), py_pulseMilli(), py_pulseMilliRatio(), py_pulseRatio(), py_set_function(), and set_function().

#define RATIO   1

Definition at line 47 of file gpio.h.

Referenced by pulseRatio().

#define SETUP_DEVMEM_FAIL   1

Definition at line 24 of file gpio.h.

Referenced by module_setup(), and setup().

#define SETUP_MALLOC_FAIL   2

Definition at line 25 of file gpio.h.

Referenced by module_setup(), and setup().

#define SETUP_MMAP_FAIL   3

Definition at line 26 of file gpio.h.

Referenced by module_setup(), and setup().

#define SETUP_OK   0

Definition at line 23 of file gpio.h.

Referenced by module_setup(), py_disablePWM(), py_enablePWM(), py_get_function(), py_get_function_string(), py_getPulse(), py_input(), py_isPWMEnabled(), py_output(), py_output_sequence(), py_pulse(), py_pulseAngle(), py_pulseMicro(), py_pulseMicroRatio(), py_pulseMilli(), py_pulseMilliRatio(), py_pulseRatio(), py_set_function(), and setup().

Function Documentation

void cleanup

(

void

)

Definition at line 332 of file gpio.c.

References BLOCK_SIZE, and gpio_map.

Referenced by initGPIO().

void disablePWM

(

int

gpio

)

Definition at line 314 of file gpio.c.

References webiopi-client::gpio, gpio_threads, output(), and resetPWM().

Referenced by py_disablePWM(), and set_function().

void enablePWM

(

int

gpio

)

Definition at line 300 of file gpio.c.

References webiopi-client::gpio, gpio_threads, pwmLoop(), and resetPWM().

Referenced by py_enablePWM(), and set_function().

int get_function

(

int

gpio

)

Definition at line 139 of file gpio.c.

References FSEL_OFFSET, gpio_map, isPWMEnabled(), OUT, PWM, and webiopi-client::value.

Referenced by py_get_function(), py_get_function_string(), py_output(), py_output_sequence(), py_pulseAngle(), py_pulseMicro(), py_pulseMicroRatio(), py_pulseMilli(), py_pulseMilliRatio(), and py_pulseRatio().

struct pulse* getPulse

(

int

gpio

)

Definition at line 286 of file gpio.c.

References webiopi-client::gpio, and gpio_pulses.

Referenced by py_getPulse().

int input

(

int

gpio

)

Definition at line 153 of file gpio.c.

References gpio_map, PINLEVEL_OFFSET, and webiopi-client::value.

Referenced by py_input().

int isPWMEnabled

(

int

gpio

)

Definition at line 327 of file gpio.c.

References webiopi-client::gpio, and gpio_threads.

Referenced by get_function(), and py_isPWMEnabled().

void output	(	int	gpio,
		int	value
	)

Definition at line 163 of file gpio.c.

References CLR_OFFSET, gpio_map, and SET_OFFSET.

Referenced by disablePWM(), outputSequence(), pulseTS(), and py_output().

void outputSequence	(	int	gpio,
		int	period,
		char *	sequence
	)

Definition at line 178 of file gpio.c.

References output(), and webiopi-client::value.

Referenced by py_output_sequence().

void pulseAngle	(	int	gpio,
		float	angle
	)

Definition at line 269 of file gpio.c.

References ANGLE, webiopi-client::gpio, gpio_pulses, pulseMicro(), pulse::type, and pulse::value.

Referenced by py_pulseAngle().

void pulseMicro	(	int	gpio,
		int	up,
		int	down
	)

Definition at line 250 of file gpio.c.

References pulseOrSaveTS().

Referenced by pulseAngle(), pulseMicroRatio(), pulseRatio(), and py_pulseMicro().

void pulseMicroRatio	(	int	gpio,
		int	width,
		float	ratio
	)

Definition at line 262 of file gpio.c.

References pulseMicro().

Referenced by py_pulseMicroRatio().

void pulseMilli	(	int	gpio,
		int	up,
		int	down
	)

Definition at line 231 of file gpio.c.

References pulseOrSaveTS().

Referenced by pulseMilliRatio(), and py_pulseMilli().

void pulseMilliRatio	(	int	gpio,
		int	width,
		float	ratio
	)

Definition at line 243 of file gpio.c.

References pulseMilli().

Referenced by py_pulseMilliRatio().

void pulseRatio	(	int	gpio,
		float	ratio
	)

Definition at line 278 of file gpio.c.

References webiopi-client::gpio, gpio_pulses, pulseMicro(), RATIO, pulse::type, and pulse::value.

Referenced by py_pulse(), and py_pulseRatio().

void set_function	(	int	gpio,
		int	function,
		int	pud
	)

Definition at line 121 of file gpio.c.

References disablePWM(), enablePWM(), FSEL_OFFSET, gpio_map, OUT, PWM, and set_pullupdn().

Referenced by py_set_function().

int setup

(

void

)

Definition at line 93 of file cambot.py.

References BCM2708_GPIO_BASE, BCM2709_GPIO_BASE, BLOCK_SIZE, get_rpi_revision(), gpio_map, number_of_cores(), PAGE_SIZE, cambot::set_speed(), cambot::setup(), SETUP_DEVMEM_FAIL, SETUP_MALLOC_FAIL, SETUP_MMAP_FAIL, SETUP_OK, and cambot::stop().

Referenced by webiopi.utils.loader::loadScript(), module_setup(), and setup().