C:/usr/src/avr/plotter/hpgl.c File Reference

#include <stdio.h>
#include <inttypes.h>
#include <math.h>
#include <avr/pgmspace.h>
#include "shvars.h"
#include "hpgl.h"
#include "scale.h"

Go to the source code of this file.

Functions
void	hpgl_init ()
	Initialize the scanner.
int8_t	hpgl_char (char c, STEPPER_COORD *x, STEPPER_COORD *y, uint8_t *lb)
Variables
int8_t	pstate
int8_t	nstate
uint8_t	etxchar
	End of text, default ^C.

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Function Documentation

int8_t hpgl_char	(	char	c,
		STEPPER_COORD *	x,
		STEPPER_COORD *	y,
		uint8_t *	lb
	)

Handle next character from the input. When action is determined, return one of the _hpgl_command values. Pass target coordinates in x and y.

Parameters:

	c	input char
	x	output: destination x (returns -1 if no data)
	y	output: destination y (returns -1 if no data)
	lb	output: next label character (see CMD_LB)

Returns:

_hpgl_command

Definition at line 21 of file hpgl.c.

void hpgl_init

(

)

Initialize the scanner.

Definition at line 16 of file hpgl.c.

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Variable Documentation

uint8_t etxchar

End of text, default ^C.

Definition at line 14 of file hpgl.c.

int8_t nstate

Definition at line 12 of file hpgl.c.

int8_t pstate

Definition at line 12 of file hpgl.c.