udp.c File Reference

arch independent UDP API More...

#include "mcu_periph/udp.h"
#include <string.h>

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Functions
void	udp_periph_init (struct udp_periph *p, char *host, int port_out, int port_in, bool broadcast)
	Initialize the UDP peripheral. More...
int WEAK	udp_check_free_space (struct udp_periph *p, long *fd, uint16_t len)
	Check if there is enough free space in the transmit buffer. More...
void WEAK	udp_put_byte (struct udp_periph *p, long fd, uint8_t data)
	Add one data byte to the tx buffer. More...
void WEAK	udp_put_buffer (struct udp_periph *p, long fd, const uint8_t *data, uint16_t len)

Detailed Description

arch independent UDP API

Definition in file udp.c.

Function Documentation

int WEAK udp_check_free_space	(	struct udp_periph *	p,
		long *	fd,
		uint16_t	len
	)

Check if there is enough free space in the transmit buffer.

Parameters

p	pointer to UDP peripheral
len	how many bytes of free space to check for

Returns

number of bytes available or 0 if not enough

Definition at line 83 of file udp.c.

References udp_periph::tx_insert_idx, and UDP_TX_BUFFER_SIZE.

Referenced by udp_periph_init().

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

Initialize the UDP peripheral.

Definition at line 60 of file udp.c.

References udp_periph::device, udp_periph::rx_extract_idx, udp_periph::rx_insert_idx, udp_periph::tx_insert_idx, udp_arch_periph_init(), udp_char_available(), udp_check_free_space(), udp_getch(), udp_put_buffer(), udp_put_byte(), and udp_send_message().

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void WEAK udp_put_buffer	(	struct udp_periph *	p,
		long	fd,
		const uint8_t *	data,
		uint16_t	len
	)

Definition at line 104 of file udp.c.

References udp_periph::tx_buf, udp_periph::tx_insert_idx, and UDP_TX_BUFFER_SIZE.

Referenced by udp_periph_init().

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void WEAK udp_put_byte	(	struct udp_periph *	p,
		long	fd,
		uint8_t	data
	)

Add one data byte to the tx buffer.

Parameters

p	pointer to UDP peripheral
data	byte to add to tx buffer

Definition at line 94 of file udp.c.

References udp_periph::tx_buf, udp_periph::tx_insert_idx, and UDP_TX_BUFFER_SIZE.

Referenced by udp_periph_init().

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