/********************************************
	ht9200/ht9170程序
	雙音多頻接收發(fā)射驅(qū)動(dòng)程序
********************************************/
#include "stc89c52.h"
#include "12232.h"
#include <intrins.h>
#include "8810.h"

sbit CE		= P2^3 ;
sbit DATA 	= P2^4 ;
sbit CLK	= P2^5 ;
sbit RING 	= P2^2 ;
sbit SW		= P2^1 ;

#define uchar unsigned char
#define uint unsigned int

uchar code Table_DTMF[] = {0x0a,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0d,0x0e,0x0f,0x00,0x0b,0x0c} ;
//						    0    1    2    3     4    5   6    7    8    9    A    B     C    D    *    # 



/*************************************************
Name      :send_ht9200
Describ   :發(fā)送一個(gè)DTMF
Input     :in  : 要發(fā)送的DTMF(0x00-0x0f)
Output    :無(wú)
Writer	  :孫福朋   2004.10.5
*************************************************/

void time(uint delaytime)
{
	while(--delaytime);
}

void send_ht9200(uchar in)
{
	uchar i ;
	CLK  = 1 ;
	CE = 0 ;						//使能HT9200,開(kāi)始起振
	Delay(20) ;						//延時(shí)20MS 保證HT9200起振時(shí)間
	//EA = 0 ;						//關(guān)中斷
	in = Table_DTMF[in] ;			//取真正要發(fā)送的數(shù)值
	for(i=0;i<5;i++)				//循環(huán)傳送5位
	{
		if(((in>>i)&0x01) == 1)		//取低位
			DATA = 1 ;
		else    DATA = 0 ;
		time(14) ;					//延時(shí)30US 保證時(shí)鐘寬度
		CLK = 0 ;					//時(shí)鐘下降延鎖存數(shù)據(jù)
		time(14) ;					//延時(shí)30US 保證時(shí)鐘寬度
		CLK = 1 ;					//時(shí)鐘恢復(fù)
	}
	DATA = 1 ;
	//EA = 1 ;						//開(kāi)中斷
	Delay(120) ;					//延時(shí)130MS，保證DTMF發(fā)出有一定時(shí)間的波形
	CE = 1 ;						//關(guān)使能，停止起振
}


/*************************************************
Name      :check_Init
Describ   :初始化 檢測(cè)程序中用到的端口和變量
Input     :無(wú)
Output    :無(wú)
Writer	  :孫福朋   2004.10.5
*************************************************/

void check_Init()
{
	//D0 = 1 ;
	//D1 = 1 ;
	//D2 = 1 ;
	//D3 = 1 ;
	//DV = 1 ;
	//OE = 0 ;
	CE = 1 ;
	CLK = 1 ;
	DATA = 1 ;
	//Check0 = 1 ;				//初值為振鈴無(wú)效時(shí)的狀態(tài)，振鈴為低有效
	//Counter0 = 20 ;
	//Check1 = 0 ;				//初值為DV無(wú)效時(shí)的狀態(tài)，DV為高有效
	//Counter1 = 20 ;
	
	//Check_DX_Counter = 0 ;
	//Check_DX_Counter1 = 0 ;
	//Check_DX_flag = 0 ;
	//CheckDxFlag = 0 ;
	//Is_CheckDxFlag = 0 ;
}

//撥11位手機(jī)函數(shù)

extern void BoHao11(unsigned char N1,unsigned char N2,unsigned char N3,unsigned char N4,unsigned char N5,
unsigned char N6,unsigned char N7,unsigned char N8,unsigned char N9,unsigned char N10,unsigned char N11)
{
    SW=0;SW=0;Delay(500);
	SW=1;SW=1;Delay(500);
			
	send_ht9200(N1);Delay(50);			
    send_ht9200(N2);Delay(50);			
    send_ht9200(N3);Delay(50);		
	send_ht9200(N4);Delay(50);			
	send_ht9200(N5);Delay(50);		
	send_ht9200(N6);Delay(50);		
	send_ht9200(N7);Delay(50);		
	send_ht9200(N8);Delay(50);		
    send_ht9200(N9);Delay(50);
	send_ht9200(N10);Delay(50);
	send_ht9200(N11);Delay(50);
}
//撥8位電話函數(shù)

extern void BoHao8(unsigned char N1,unsigned char N2,unsigned char N3,unsigned char N4,unsigned char N5,
unsigned char N6,unsigned char N7,unsigned char N8)
{
    SW=0;SW=0;Delay(500);
	SW=1;SW=1;Delay(500);
			
	send_ht9200(N1);Delay(50);			
    send_ht9200(N2);Delay(50);			
    send_ht9200(N3);Delay(50);		
	send_ht9200(N4);Delay(50);			
	send_ht9200(N5);Delay(50);		
	send_ht9200(N6);Delay(50);		
	send_ht9200(N7);Delay(50);		
	send_ht9200(N8);Delay(50);		

}

//撥8位電話函數(shù)

extern void BoHao7(unsigned char N1,unsigned char N2,unsigned char N3,unsigned char N4,unsigned char N5,
unsigned char N6,unsigned char N7)
{
    SW=0;SW=0;Delay(500);
	SW=1;SW=1;Delay(500);
			
	send_ht9200(N1);Delay(50);			
    send_ht9200(N2);Delay(50);			
    send_ht9200(N3);Delay(50);		
	send_ht9200(N4);Delay(50);			
	send_ht9200(N5);Delay(50);		
	send_ht9200(N6);Delay(50);		
	send_ht9200(N7);Delay(50);		

}