bmp_io.c File Reference

Simple character I/O library for BMP. More...

#include <stdarg.h>
#include <string.h>
#include "lpc17xx.h"
#include "bmp.h"

Functions
void	eth_putc (uint32_t c)
	Add character to ethernet-directed output stream.
static void	std_putc (uint32_t c)
	Add character to standard output stream.
static void	io_put_char (char *stream, uint32_t c)
	Add character to an output stream.
static void	io_put_str (char *stream, char *s, int d)
	Add string to an output stream.
static void	io_put_int (char *stream, int n, uint32_t d, uint32_t pad)
	Add signed integer to an output stream.
static void	io_put_uint (char *stream, uint32_t n, uint32_t d, uint32_t pad)
	Add unsigned integer to an output stream.
static void	io_put_zhex (char *stream, uint32_t n, uint32_t d)
	Add zero-padded hex integer to an output stream.
static void	io_put_hex (char *stream, uint32_t n, uint32_t d, uint32_t pad)
	Add hex integer to an output stream.
static void	io_put_mac (char *stream, uint8_t *s)
	Add MAC address to an output stream.
static void	io_put_ip (char *stream, uint8_t *s)
	Add IP address to an output stream.
void	io_printf (char *stream, char *f,...)
	Print to an output stream.

Variables
static const char	hex [] = "0123456789abcdef"
	Hexadecimal characters.
static uint32_t	sp_ptr
	Where in buffer to write, for 'sprintf'.
static uint32_t	tube_ptr
	Point in tube_buf to write.
static uint8_t	tube_buf [256]
	Accumulates chars to write to host.

Detailed Description

Simple character I/O library for BMP.

Copyright

© The University of Manchester - 2009-2015

Author

Steve Temple, APT Group, School of Computer Science

Function Documentation

eth_putc()

void eth_putc ( uint32_t  c )

extern

Add character to ethernet-directed output stream.

If the buffer is full or at end of line, push the buffer to the configured host machine.

Parameters

[in]

c

The character to write

std_putc()

static void std_putc ( uint32_t  c )

static

Add character to standard output stream.

If the buffer is full or at end of line, push the buffer to the configured host machine.

Parameters

[in]

c

The character to write

io_put_char()

static void io_put_char ( char *  stream, uint32_t  c  )

static

Add character to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	c	The character to write

io_put_str()

static void io_put_str ( char *  stream, char *  s, int  d  )

static

Add string to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	s	The string to write
[in]	d	Field width

io_put_int()

static void io_put_int ( char *  stream, int  n, uint32_t  d, uint32_t  pad  )

static

Add signed integer to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	n	The number to write
[in]	d	Field width
[in]	pad	Padding character (unused!)

io_put_uint()

static void io_put_uint ( char *  stream, uint32_t  n, uint32_t  d, uint32_t  pad  )

static

Add unsigned integer to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	n	The number to write
[in]	d	Field width
[in]	pad	Padding character (unused!)

io_put_zhex()

static void io_put_zhex ( char *  stream, uint32_t  n, uint32_t  d  )

static

Add zero-padded hex integer to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	n	The number to write
[in]	d	Field width

io_put_hex()

static void io_put_hex ( char *  stream, uint32_t  n, uint32_t  d, uint32_t  pad  )

static

Add hex integer to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	n	The number to write
[in]	d	Field width
[in]	pad	Padding character

io_put_mac()

static void io_put_mac ( char *  stream, uint8_t *  s  )

static

Add MAC address to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	s	The MAC address to write

io_put_ip()

static void io_put_ip ( char *  stream, uint8_t *  s  )

static

Add IP address to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	s	The IP address to write

io_printf()

void io_printf	(	char *	stream,
		char *	f,
			...
	)

Print to an output stream.

Parameters

[in]	stream	Where to write to.
[in]	f	The format string
[in]	...	Values to fill into the format string