C:/usr/src/avr/plotter/arc.h File Reference

#include <inttypes.h>

Go to the source code of this file.

Functions
int16_t	arc_init ()
uint8_t	arc_next (int16_t *x, int16_t *y)

---

Function Documentation

int16_t arc_init

(

)

Initialize the arc based on current location and scratchpad data.

See also:

numpad

user_loc

Returns:

0 if the arc is degenerate (0 degrees or R=0)

Definition at line 12 of file arc.c.

uint8_t arc_next	(	int16_t *	x,
		int16_t *	y
	)

Calculate the next chord.

Parameters:

	x	next x in absolute stepper coordinates
	y	next y in absolute stepper coordinates

Returns:

0 if this is the last chord

Definition at line 33 of file arc.c.