/**********************************************************/
/*  send short message by PHS Module			  */
/* Author: li tingtao, liu bo                             */
/*********2008-3.13****************************************/

#include<reg52.h>
#include<intrins.h>
#include<stdio.h>
#include<string.h>

sfr	ISP_CONTR= 0xE7;
sfr	CCON = 0xD8;
sfr	CMOD = 0xD9;
sfr	CL = 0xE9;
sfr	CH = 0xF9;
sfr	CCAPOL = 0xEA;
sfr	CCAPOH = 0xFA;
sfr	CCAPM0 = 0xDA;
sfr	CCAPM1 = 0xDB;
sbit	CR = 0xDE;
sbit	MCU_Start_Led = P1^1;  		//P1^7;

#define Self_Define_ISP_Download_Command	0x22
#define RELOAD_COUNT	0xfd

char cmd[]="ATWITS+CMGS=\"";    
char str1[]="\",\"";
char str2[]="\"\r";

void serial_port_initial();
void send_UART(unsigned char);
void UART_Interrupt_Receive(void);
void soft_reset_to_ISP_Monitor(void);
void delay(void);
void display_MCU_Start_Led(void);
void send_at_cmd(char *cmd);
int send_message(char *msg,char *number);


void main(void)
{
	serial_port_initial();              /*init the serial port*/
     
	send_message("hello","13916808083"); /* send "hello" messages to mobile phone(number:139xxx)*/

	while(1);
}

int send_message(char *msg,char *number)
/*parameter:msg:the message will be sent*/
/*parameter:number:the destination mobile phone*/
{
   char at_cmd[64]="";

   strcat(at_cmd,cmd);
   strcat(at_cmd,number);
   strcat(at_cmd,str1);
   strcat(at_cmd,msg);
   strcat(at_cmd,str2);
   send_at_cmd(at_cmd);
  
   delay();  
   return 0;

}

void serial_port_initial()
/*init the serial port*/
{
SCON=0x50;
TMOD=0x21;
TH1=RELOAD_COUNT;
TL1=RELOAD_COUNT;
TR1=1;
ES=1;
EA=1;

}


void send_UART(unsigned char i)
/*send the char i to UART*/
{
ES=0;
TI=0;
SBUF=i;
while(TI==0);
TI=0;
ES=1;
}

void send_at_cmd(char *cmd)
/*send the AT CMD to UART*/
{
	char *temp=cmd;
	while(*temp)
	{	
           send_UART(*temp);
           temp++;
	}
}


void UART_Interrupt_Receive(void) interrupt 4
/*interrupt routine*/
{
unsigned char k=0;
if(RI==1)
{
RI=0;
k=SBUF;

if(k==Self_Define_ISP_Download_Command)
{delay();
delay();
soft_reset_to_ISP_Monitor();
}
send_UART(k);
}
else
{
TI=0;
}
}



void soft_reset_to_ISP_Monitor(void)
{
ISP_CONTR=0x60;
}


void delay(void)
{
unsigned int j=0;
unsigned int g=0;
for(j=0;j<5;j++)
{
for(g=0;g<10000;g++)

{
_nop_();
_nop_();
_nop_();
_nop_();
_nop_();
}
}
}

void display_MCU_Start_Led(void)
{
unsigned char i = 0;
for(i=0;i<5;i++)
	{
	MCU_Start_Led=0;
	delay();
	MCU_Start_Led=1;
	delay();
	MCU_Start_Led=0;

	}
}