sim300 avr16单片机短信收发源码

#include <iom16v.h> #include <macros.h> #define uchar unsigned char #define uint unsigned int void uart0init(void); void send_data(uchar back); void delay_ms(uint i); void delay_us(uint us); void zf(unsigned char *s); void sendbyte(unsigned char data); void AT(uchar *duanxin); void lcdinit(void); void duduanxin(void); void huixiandu(void); void huixian(void); void duxinxi_init(void); void faxinxi(uchar phone[11],uchar text[10]); void port_init(void); uchar jieshou[200]; uchar jieshoupoint=0; uchar ok_flag1=0x00; uchar jiexinxi_flag=0x00; uchar xinxi1,xinxi2; uchar xinxi3=0; uchar faAT[]={"AT\r"}; uchar faAT1[]={"AT+CMGF=1\r"}; uchar faAT2[]={"AT+CMGS="}; uchar faAT4[]={"13936435820"}; uchar faAT5[]={"\r"}; uchar faAT6[]={"pig"}; uchar faAT7[]={"AT+CMGR="}; uchar faAT8[]={"AT+CMGD=1\r"}; uchar neirong=0x00; uchar buzhou=0x00; uchar duxinxi_flag=0x00; uchar faxinxi_flag=0; uchar ok_flag=0x00; #pragma interrupt_handler usart0_isr:12 void usart0_isr(void) { UCSRB&=~BIT(RXCIE); //关闭接收中断 jieshou[jieshoupoint]=UDR; jieshoupoint++; UCSRB|=BIT(RXCIE); //使能接收中断s } void port_init(void) { DDRD=0xfa;//pd1输出，pd0输入; DDRA=0xff; PORTA=0xff; } void INT_init(void) { MCUCR=MCUCR|0x0A; GICR=GICR|0x40; } #pragma interrupt_handler INT0_isr:2 void INT0_isr(void) { delay_ms(30); if((PIND&0x04)==0x00) { faxinxi("13654545434","Warning!"); } } void main(void) { uint xx=0; uart0init(); port_init(); INT_init(); SEI(); while(1) { duxinxi_init(); /* if((duxinxi_flag==1) && (xx<2)) { faxinxi("13654545434","helloxw"); xx++; } */ if(duxinxi_flag==0x01) { duduanxin(); if(xinxi3!=0) { if(xinxi3=='1') { PORTA=0xfe; delay_ms(100); PORTA=0xff; xinxi3=0; } if(xinxi3=='2') { PORTA=0xfd; delay_ms(100); PORTA=0xff; xinxi3=0; } } } } } void duxinxi_init(void) { huixian(); if(buzhou==0x00) { AT(faAT); buzhou++; } if(buzhou==0x01) { if(ok_flag1==0x01) { ok_flag1=0x00; buzhou++; } } if(buzhou==0x02) { AT(faAT1); buzhou++; } if(buzhou==0x03) { if(ok_flag1==0x01) { ok_flag1=0x00; duxinxi_flag=0x01; buzhou++; } } } void faxinxi(uchar phone[11],uchar text[10]) { if(duxinxi_flag==1) { AT(faAT2); send_data(0x22); AT(phone); send_data(0x22); AT(faAT5); AT(text); send_data(0x1a); buzhou++; } } void duduanxin(void) { huixiandu(); if(jiexinxi_flag==0x01) { jiexinxi_flag=0x02; AT(faAT7); send_data('1'); AT(faAT5); } if(jiexinxi_flag==0x02) { if(neirong==0x01) { neirong=0x00; jiexinxi_flag=0x03; } } if(jiexinxi_flag==0x03) { AT(faAT8); jiexinxi_flag=0x04; } if(jiexinxi_flag==0x04) { if(ok_flag1==0x01) { ok_flag1=0x00; jiexinxi_flag=0x00; } } } void huixiandu(void) { uchar zhen; if(jieshoupoint!=0x00) { for(zhen=0;zhen!=jieshoupoint;zhen++) { if(jieshou[zhen]==0x53) { if(jieshou[zhen+1]==0x4d) { jieshoupoint=0; jiexinxi_flag=0x01; break; } } if(jieshou[zhen]==0x3b) { if(jieshou[zhen+2]==0x0d) { jieshoupoint=0; xinxi3=jieshou[zhen+1]; neirong=0x01; break; } } } } } void huixian(void) { uchar zhen; if(jieshoupoint!=0x00) { for(zhen=0;zhen!=jieshoupoint;zhen++) { if(jieshou[zhen]=='O') { if(jieshou[zhen+1]=='K') { ok_flag1=0x01; jieshoupoint=0; break; } } } } } void AT(uchar *duanxin) { while(*duanxin > 0) { send_data(*duanxin); duanxin++; } } void uart0init(void) { UCSRA=0x00; UCSRB=0x98; //UCSRB=(1<<RXEN)|(1<<TXEN)|(1<<RXCIE); UCSRC=(URSEL)|(UCSZ1)|(UCSZ0); UBRRH = 0x00; UBRRL = 0x08; // 波特率57600 } void send_data(uchar back) { while( !( UCSRA & (1<<UDRE)) ) ; UDR=back; } void sendbyte(unsigned char data)//12864串口传送 { unsigned char i; for(i=0; i<8; i++)//循环八次 { PORTD&=~BIT(5);//清零pd5 if((data << i) & 0x80) PORTD|=BIT(6); else PORTD&=~BIT(6);;//否则pd4清零 PORTD|=BIT(7);//置1，pd5 PORTD&=~BIT(7);//清零pd5 } } void delay_ms(uint i) { unsigned int a; for(;i;i--) { for((a=6*145-2);a;a--) {;} } } //8MHz时钟下软件精确微秒级延时 void delay_us(uint us) { do { us--; } while(us>1); }