main.c

ARM监控系统设计加GSM短信自动报警发送程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
********************************************************************************************************/
#include "config.h"

#define BENQ     1<<31                //P0.31控制模块启动
#define  UART_BPS   9600                    //波特率

 
  void UART0_Init (void)
{
	uint16 Fdiv;
	
	U0LCR = 0x83;						// DLAB=1,允许设置波特率
	Fdiv  = (Fpclk / 16) / UART_BPS;	// 设置波特率
	U0DLM = Fdiv / 256;
	U0DLL = Fdiv % 256;
	U0LCR = 0x03;
}      
 
uint8 UART0_GetByte (void)          //从串口接收1字节数据
{
	uint8 rcv_dat;
	uint8 p;
	if((U0LSR & 0x01) == 0)
	p=1;
	else
	p=0;
	switch(p){
	case 0:
	rcv_dat =U0RBR;
	return (rcv_dat);
	break;
	
	case 1:
	break;	
	       }	
} 
 
 
void UART0_GetStr (uint8 *s, uint32 m)     //从串口接收字符串
{
	for ( ; m>0; m--)
	{
		*s++ = UART0_GetByte();
	}
} 
 
uint32 getGS(void) 
{   int32 i;
    int32 j=0;
    uint8 sen[24];
    UART0_GetStr(sen,24);    
    for(i=0;i<24;i++)
  {  if((sen[i]=='S')||(sen[i]=='>'))
         j=1;} 
          
  return j;
  }

 
uint32 getOK(void) 
{   int32 i;
    int32 j=0;
    uint8 sen[24];
    UART0_GetStr(sen,24);
    for(i=0;i<24;i++)
  {  if((sen[i]=='O')||(sen[i]=='k'))
         j=1;} 
 
  return j;
  }
         
void UART0_SendByte (uint8 dat)       //发字符
{
	U0THR = dat;
	while ((U0LSR & 0x40) == 0);		// 等待数据发送完毕
}


void UART0_SendStr (uint8 const *str)    //发字符串
{
	while (1)
	{
		if (*str == '\0')	break;		// 遇到结束符，退出
		UART0_SendByte(*str++);			// 发送数据
	}
}

void timerset(int32 n)
{
    T0TC =0;         // 定时器0初始化
	T0PR =0;
    T0MCR =0x05;
	T0MR0 =n*Fpclk;    //延时n秒
	T0TCR =0x01;
	while((T0IR&0x01)==0); 
	T0IR=0x01;
	
	 }


 int main (void) 
                       
{    int32 next=1;
     int32 get4=1;
     uint8 a[5]={"AT\r\n"};
     uint8 b[12]={"AT+CMGF=1\r\n"};
     uint8 c[10]={"AT+CMGS="};
     uint8 d[13]={"13631391431"};
     
	
	PINSEL0 = 0x00000005;				// 设置I/O连接到UART0
	PINSEL1 = 0x00000000;               // 设置p0.31为I/O口
	IO0DIR =BENQ;
	UART0_Init();    // 串口初始化
	IO0CLR =BENQ;          //P0.31控制BENQ的启动
    timerset(20);           //延时20秒         
	IO0SET =BENQ;
	
while(next)
{	
     timerset(4);	   //延时4秒
	
	UART0_SendStr(a);  // 向串口发送字符串	
	
	if(getOK())   next=0;
	 else {
	 if((get4>0)&(get4<4))
	   {next=1; get4++;}
	   else next=0; }
 		    
      }


next=1;
get4=1;   
while(next)
{
   timerset(4);      //延时4秒 
    
 UART0_SendStr(b);  // 向串口发送字符串
		
 if( getOK())   next=0;	
  else {
	 if((get4>0)&(get4<4))
	   {next=1; get4++;}
	   else next=0; }	
	   	    
      }


next=1;
get4=1;	
while(next)
{	
   timerset(4);          //延时4秒 
		
 UART0_SendStr(c);  // 向串口发送字符串
 UART0_SendByte('"');  // 向串口发送字符
 UART0_SendStr(d);
 UART0_SendByte('"');
 UART0_SendByte('\r\n');

 if(getGS())   next=0;
 else {
	 if((get4>0)&(get4<4))
	   {next=1; get4++;}
	   else next=0; }			    
      } 


next=1;
get4=1;
while(next)
{	
   timerset(4);         //延时4秒
   
     UART0_SendByte(0x1A);   //向串口发送字符串
     UART0_SendByte('\n');
		
 if(getOK())   next=0;
  else {
	 if((get4>0)&(get4<8))
	   {next=1; get4++;}
	   else next=0; }			    
      }
	 	
while(1);
return 0;
}

/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/