pic1250x.h

一个PIC的demo程序包

/*
 *	Header file for the Microchip 
 *	PIC 12c508 chip 
 *	PIC 12c509 chip
 *	Baseline Microcontrollers
 */

static volatile unsigned char	RTCC	@ 0x01;
static volatile unsigned char	TMR0	@ 0x01;
static volatile unsigned char	PCL	@ 0x02;
static volatile unsigned char	STATUS	@ 0x03;
static          unsigned char	FSR	@ 0x04;
static volatile unsigned char	OSCCAL	@ 0x05;
static volatile unsigned char	GPIO	@ 0x06;

static          unsigned char control	OPTION	@ 0x00;
static volatile unsigned char control	TRIS	@ 0x06;

/*	STATUS bits	*/
static bit 	GPWUF	@ (unsigned)&STATUS*8+7;
static bit	PA0	@ (unsigned)&STATUS*8+5;
static bit 	TO	@ (unsigned)&STATUS*8+4;
static bit 	PD	@ (unsigned)&STATUS*8+3;
static bit 	ZERO	@ (unsigned)&STATUS*8+2;
static bit	DC	@ (unsigned)&STATUS*8+1;
static bit	CARRY	@ (unsigned)&STATUS*8+0;

/*	OPTION bits	*/
#define		GPWU	(1<<7)
#define		GPPU	(1<<6)
#define		T0CS	(1<<5)
#define		T0SE	(1<<4)
#define		PSA	(1<<3)
#define		PS2	(1<<2)
#define		PS1	(1<<1)
#define		PS0	(1<<0)

/*	OSCCAL bits	*/
static bit 	CAL7	@ (unsigned)&OSCCAL*8+7;
static bit	CAL6	@ (unsigned)&OSCCAL*8+6;
static bit	CAL5	@ (unsigned)&OSCCAL*8+5;
static bit	CAL4	@ (unsigned)&OSCCAL*8+4;

/*	GPIO bits	*/
static bit	GP5	@ (unsigned)&GPIO*8+5;
static bit	GP4	@ (unsigned)&GPIO*8+4;
static bit	GP3	@ (unsigned)&GPIO*8+3;
static bit	GP2	@ (unsigned)&GPIO*8+2;
static bit	GP1	@ (unsigned)&GPIO*8+1;
static bit	GP0	@ (unsigned)&GPIO*8+0;

#define CONFIG_ADDR	0xFFF
#define	FOSC0		0x01
#define FOSC1		0x02
#define WDTE		0x04
#define CP		0x08
#define MCLRE		0x0F