pipe_arch.c File Reference

linux named pipe handling More...

#include "mcu_periph/pipe.h"
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <pthread.h>
#include <sys/select.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "rt_priority.h"

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Macros
#define	PIPE_THREAD_PRIO   10

Functions
static void *	pipe_thread (void *data)
	check for new pipe packets to receive. More...
void	pipe_arch_init (void)
void	pipe_arch_periph_init (struct pipe_periph *p, char *read_name, char *write_name)
	Initialize the PIPE peripheral. More...
int	pipe_char_available (struct pipe_periph *p)
	Get number of bytes available in receive buffer. More...
uint8_t	pipe_getch (struct pipe_periph *p)
	Get the last character from the receive buffer. More...
void	pipe_receive (struct pipe_periph *p)
	Read bytes from PIPE. More...
void	pipe_send_message (struct pipe_periph *p, long fd)
	Send a message. More...
void	pipe_send_raw (struct pipe_periph *p, long fd, uint8_t *buffer, uint16_t size)
	Send a packet from another buffer. More...

Variables
static pthread_mutex_t	pipe_mutex = PTHREAD_MUTEX_INITIALIZER

Detailed Description

linux named pipe handling

Definition in file pipe_arch.c.

Macro Definition Documentation

PIPE_THREAD_PRIO

#define PIPE_THREAD_PRIO   10

Definition at line 42 of file pipe_arch.c.

Function Documentation

pipe_arch_init()

void pipe_arch_init

(

void

)

Definition at line 48 of file pipe_arch.c.

References pipe_mutex, and pipe_thread().

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pipe_arch_periph_init()

void pipe_arch_periph_init	(	struct pipe_periph *	p,
		char *	read_name,
		char *	write_name
	)

Initialize the PIPE peripheral.

Allocate UdpSocket struct and create and bind the PIPE socket.

Definition at line 76 of file pipe_arch.c.

References p.

Referenced by pipe_periph_init().

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pipe_char_available()

int pipe_char_available

(

struct pipe_periph *

p

)

Get number of bytes available in receive buffer.

Parameters

p	pointer to PIPE peripheral

Returns

number of bytes available in receive buffer

Definition at line 104 of file pipe_arch.c.

References p, pipe_mutex, and PIPE_RX_BUFFER_SIZE.

Referenced by pipe_periph_init(), and pipe_receive().

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pipe_getch()

uint8_t pipe_getch

(

struct pipe_periph *

p

)

Get the last character from the receive buffer.

Parameters

p	pointer to PIPE peripheral

Returns

last byte

Definition at line 120 of file pipe_arch.c.

References p, pipe_mutex, and PIPE_RX_BUFFER_SIZE.

Referenced by pipe_periph_init().

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pipe_receive()

void pipe_receive

(

struct pipe_periph *

p

)

Read bytes from PIPE.

Definition at line 132 of file pipe_arch.c.

References p, pipe_char_available(), pipe_mutex, and PIPE_RX_BUFFER_SIZE.

Referenced by pipe_thread().

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pipe_send_message()

void pipe_send_message	(	struct pipe_periph *	p,
		long	fd
	)

Send a message.

Definition at line 160 of file pipe_arch.c.

References p.

Referenced by pipe_periph_init().

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pipe_send_raw()

void pipe_send_raw	(	struct pipe_periph *	p,
		long	fd,
		uint8_t *	buffer,
		uint16_t	size
	)

Send a packet from another buffer.

Definition at line 182 of file pipe_arch.c.

References p.

pipe_thread()

static void * pipe_thread ( void *  data )

static

check for new pipe packets to receive.

Definition at line 193 of file pipe_arch.c.

References fd, get_rt_prio(), pipe_receive(), and PIPE_THREAD_PRIO.

Referenced by pipe_arch_init().

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Variable Documentation

pipe_mutex

pthread_mutex_t pipe_mutex = PTHREAD_MUTEX_INITIALIZER

static

Definition at line 46 of file pipe_arch.c.

Referenced by pipe_arch_init(), pipe_char_available(), pipe_getch(), and pipe_receive().