8810.c

8810驱动程序

/********************************************
	ht9200/ht9170程序
	双音多频接收发射驱动程序
********************************************/
#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   :发送一个DTMF
Input     :in  : 要发送的DTMF(0x00-0x0f)
Output    :无
Writer	  :孙福朋   2004.10.5
*************************************************/

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

void send_ht9200(uchar in)
{
	uchar i ;
	CLK  = 1 ;
	CE = 0 ;						//使能HT9200,开始起振
	Delay(20) ;						//延时20MS 保证HT9200起振时间
	//EA = 0 ;						//关中断
	in = Table_DTMF[in] ;			//取真正要发送的数值
	for(i=0;i<5;i++)				//循环传送5位
	{
		if(((in>>i)&0x01) == 1)		//取低位
			DATA = 1 ;
		else    DATA = 0 ;
		time(14) ;					//延时30US 保证时钟宽度
		CLK = 0 ;					//时钟下降延锁存数据
		time(14) ;					//延时30US 保证时钟宽度
		CLK = 1 ;					//时钟恢复
	}
	DATA = 1 ;
	//EA = 1 ;						//开中断
	Delay(120) ;					//延时130MS，保证DTMF发出有一定时间的波形
	CE = 1 ;						//关使能，停止起振
}


/*************************************************
Name      :check_Init
Describ   :初始化 检测程序中用到的端口和变量
Input     :无
Output    :无
Writer	  :孙福朋   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 ;				//初值为振铃无效时的状态，振铃为低有效
	//Counter0 = 20 ;
	//Check1 = 0 ;				//初值为DV无效时的状态，DV为高有效
	//Counter1 = 20 ;
	
	//Check_DX_Counter = 0 ;
	//Check_DX_Counter1 = 0 ;
	//Check_DX_flag = 0 ;
	//CheckDxFlag = 0 ;
	//Is_CheckDxFlag = 0 ;
}

//拨11位手机函数

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);
}
//拨8位电话函数

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);		

}

//拨8位电话函数

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);		

}