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/*
RepRap
------
The Replicating Rapid Prototyper Project
Copyright (C) 2005
Adrian Bowyer & The RepRap Researchers
http://reprap.org
Principal author:
Adrian Bowyer
Department of Mechanical Engineering
Faculty of Engineering and Design
University of Bath
Bath BA2 7AY
U.K.
e-mail: A.Bowyer@bath.ac.uk
RepRap is free; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
Licence as published by the Free Software Foundation; either
version 2 of the Licence, or (at your option) any later version.
RepRap is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public Licence for more details.
For this purpose the words "software" and "library" in the GNU Library
General Public Licence are taken to mean any and all computer programs
computer files data results documents and other copyright information
available from the RepRap project.
You should have received a copy of the GNU Library General Public
Licence along with RepRap; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA,
or see
http://www.gnu.org/
==================================================================================
This is the C program header for the PIC that controls the polymer extruder head.
Version 1.1 18 September 2005
*/
#ifndef _extruder_h
#define _extruder_h
#define __16f628
#include <pic/pic16f628.h>
typedef unsigned char byte;
// No binary literals in sdcc, so add our own
#define BIN_BIT(value, bit, dec) \
(((((unsigned long)(value##.0))/dec)&1 == 1)? (1<<bit) : 0)
#define BIN(value) \
( BIN_BIT(value, 0, 1) | \
BIN_BIT(value, 1, 10) | \
BIN_BIT(value, 2, 100) | \
BIN_BIT(value, 3, 1000) | \
BIN_BIT(value, 4, 10000) | \
BIN_BIT(value, 5, 100000) | \
BIN_BIT(value, 6, 1000000) | \
BIN_BIT(value, 7, 10000000))
BIT_AT(PORTA_ADDR, 0) PORTA0;
BIT_AT(PORTA_ADDR, 1) PORTA1;
BIT_AT(PORTA_ADDR, 2) PORTA2;
BIT_AT(PORTA_ADDR, 3) PORTA3;
BIT_AT(PORTA_ADDR, 4) PORTA4;
BIT_AT(PORTA_ADDR, 5) PORTA5;
BIT_AT(PORTA_ADDR, 6) PORTA6;
BIT_AT(PORTA_ADDR, 7) PORTA7;
BIT_AT(PORTB_ADDR, 0) PORTB0;
BIT_AT(PORTB_ADDR, 1) PORTB1;
BIT_AT(PORTB_ADDR, 2) PORTB2;
BIT_AT(PORTB_ADDR, 3) PORTB3;
BIT_AT(PORTB_ADDR, 4) PORTB4;
BIT_AT(PORTB_ADDR, 5) PORTB5;
BIT_AT(PORTB_ADDR, 6) PORTB6;
BIT_AT(PORTB_ADDR, 7) PORTB7;
#define T_DEF 0 // Default temperature
#define F_DEF 5 // Default LED flash rate
#define FORWARD 1 // Motor directions...
#define REVERSE 2 // ...
#define S_DEF 0x80 // Default motor speed
#define V_REF_LO BIN(00100000) // Low and high...
#define V_REF_HI BIN(00000000) // ...voltage reference
// Addresses in EEPROM where the temperature and speed settings are
// saved through power-down/power-up.
enum
{
TEMP_ADDR,
SPEED_ADDR,
HL_ADDR
};
#endif
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