outline1.c

一个完整的用用AVR单片机开发的电话交换机程序 希望对想学习AVR开发人有帮助

#include "main.h"


void fnOut1_Free(void)
{
 
 if(bit_is_clear(OutsideRingCheck,cOut1Num))return;
 
 	 Out1_NumdialOut =  fnFind_4FreeExt(cOut1Num+1);   // Save the number of Ext-Ring
 	 if(!Out1_NumdialOut)  return;
 	 Out1_FunPt=1;
 	 SetBit(OutsideBusy_Free,cOut1Num);               //外线被占
}

void fnOut1_WaitRing(void)
{
  if(bit_is_set(OutsideRingCheck,cOut1Num))return;
  Out1_FunPt=0;
  ClrBit(OutsideBusy_Free,cOut1Num);               //外线被占
  Out1_NumdialOut=0;
  fnStopAllExtRingFor_OutLine();  // 停止 内机响铃
}

void fnOut1_LinkExtPhone(void)
{
 

}

void fnOut1_LinkMusic(void)
{

}


const void (*Out1_FunTab[]) PROGMEM=
{
 	fnOut1_Free,  		    	//0 内线空闲
	fnOut1_WaitRing,			//1									
	fnOut1_LinkExtPhone,		//2 内线连内线N 
	fnOut1_LinkMusic,			//3 连音乐 
};


void fnTelRountineOut1(void)
{
	void (*pp)(void);
		pp=  (void *) pgm_read_word_near(Out1_FunTab+Out1_FunPt);
		pp();
}