main.h

一个完整的用AVR写的电话交换机程序 希望对从事安防的开发者有用

#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <avr/eeprom.h>
#include <avr/pgmspace.h>
#include <util/delay.h>


#define SetBit(port,bit)  (port |= (1<<bit))   //set bit in port
#define ClrBit(port,bit)  (port &= ~(1<<bit))  //clear bit in port
#define nop();         asm volatile("nop"::)


/**********端口B*********/
#define CheckHoldDoor 6
#define DoorRing      7


/**********端口C*********/
//PC5:DTMF_OE    PC4:DTMF_DV  PC3:DTMF_D3  PC2: DTMF_D2  PC1:DTMF_D1  PC0:DTMF_D0
#define DTMF_DV       4
#define DTMF_OE       5


/**********端口D*********/
#define OPEN          0
#define HOOK          1 
#define SING          2
#define POWER         3
#define AOUT          5
#define AIN           6


#define cXin  0x0b
#define cJing 0x0c
unsigned char Doorphone_FunPt;
unsigned char CallCenterRd,CallCenterPre;
unsigned char DoorRingRd,DoorRingPre;
unsigned int Doorphone_time;
unsigned char mDTMF1_Pre;