udp_arch.c File Reference

#include "mcu_periph/udp.h"
#include "udp_socket.h"
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <pthread.h>
#include <sys/select.h>
#include "rt_priority.h"

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Macros
#define	UDP_THREAD_PRIO   10

Functions
static void *	udp_thread (void *data)
	check for new udp packets to receive or send. More...
void	udp_arch_init (void)
void	udp_arch_periph_init (struct udp_periph *p, char *host, int port_out, int port_in, bool broadcast)
	Initialize the UDP peripheral. More...
uint16_t	udp_char_available (struct udp_periph *p)
	Get number of bytes available in receive buffer. More...
uint8_t	udp_getch (struct udp_periph *p)
	Get the last character from the receive buffer. More...
void	udp_receive (struct udp_periph *p)
	Read bytes from UDP. More...
void	udp_send_message (struct udp_periph *p, long fd)
	Send a message. More...
void	udp_send_raw (struct udp_periph *p, long fd, uint8_t *buffer, uint16_t size)
	Send a packet from another buffer. More...

Variables
static pthread_mutex_t	udp_mutex = PTHREAD_MUTEX_INITIALIZER

Macro Definition Documentation

#define UDP_THREAD_PRIO   10

Definition at line 38 of file udp_arch.c.

Referenced by udp_thread().

Function Documentation

void udp_arch_init

(

void

)

Definition at line 44 of file udp_arch.c.

References udp_thread().

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void udp_arch_periph_init	(	struct udp_periph *	p,
		char *	host,
		int	port_out,
		int	port_in,
		bool	broadcast
	)

Initialize the UDP peripheral.

Allocate UdpSocket struct and create and bind the UDP socket.

Definition at line 69 of file udp_arch.c.

References udp_periph::network, and udp_socket_create().

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uint16_t udp_char_available

(

struct udp_periph *

p

)

Get number of bytes available in receive buffer.

Parameters

p	pointer to UDP peripheral

Returns

number of bytes available in receive buffer

Definition at line 81 of file udp_arch.c.

References udp_periph::rx_extract_idx, udp_periph::rx_insert_idx, and UDP_RX_BUFFER_SIZE.

uint8_t udp_getch

(

struct udp_periph *

p

)

Get the last character from the receive buffer.

Parameters

p	pointer to UDP peripheral

Returns

last byte

Definition at line 97 of file udp_arch.c.

References udp_periph::rx_buf, udp_periph::rx_extract_idx, and UDP_RX_BUFFER_SIZE.

void udp_receive

(

struct udp_periph *

p

)

Read bytes from UDP.

Definition at line 109 of file udp_arch.c.

References UdpSocket::addr_in, if(), udp_periph::network, udp_periph::rx_buf, udp_periph::rx_insert_idx, UdpSocket::sockfd, udp_char_available(), and UDP_RX_BUFFER_SIZE.

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void udp_send_message	(	struct udp_periph *	p,
		long	fd
	)

Send a message.

Definition at line 142 of file udp_arch.c.

References UdpSocket::addr_out, if(), udp_periph::network, UdpSocket::sockfd, udp_periph::tx_buf, and udp_periph::tx_insert_idx.

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void udp_send_raw	(	struct udp_periph *	p,
		long	fd,
		uint8_t *	buffer,
		uint16_t	size
	)

Send a packet from another buffer.

Definition at line 168 of file udp_arch.c.

References UdpSocket::addr_out, udp_periph::network, and UdpSocket::sockfd.

static void * udp_thread ( void *  data )

static

check for new udp packets to receive or send.

Definition at line 181 of file udp_arch.c.

References fd, get_rt_prio(), udp_receive(), and UDP_THREAD_PRIO.

Referenced by udp_arch_init().

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Variable Documentation

pthread_mutex_t udp_mutex = PTHREAD_MUTEX_INITIALIZER

static

Definition at line 42 of file udp_arch.c.