15單片機(jī)GSM模塊通訊的問題

ID:232499 · 發(fā)表于 2017-11-30 23:12

請(qǐng)各位大俠看看這個(gè)程序是在51的基礎(chǔ)上修改的修改的部分包括延時(shí)函數(shù)和波特率以及頭文件，發(fā)現(xiàn)在修改前可以通信修改后有數(shù)據(jù)發(fā)出但無法和GSM通訊。使用串口調(diào)試工具查看發(fā)現(xiàn)51和15發(fā)送到串口助手上的數(shù)值是一樣的只是速度快慢有區(qū)別。

#include <STC15F2K60S2.H>
#include <intrins.h>
#include <string.h>
#include <stdio.h>
#include "lcd12864.h"
#define uint unsigned int
#define uchar unsigned char
#define CALL_YOU_TELNUMBER "***********"//*號(hào)寫入手機(jī)號(hào)碼
#define SEND_MESSA_EN "520ss.ssssss.com"
#define SEND_MESSA_CN "************"//*號(hào)寫入中文對(duì)應(yīng)編碼
sbit Send_ENGLISH_key=P1^3; //控制發(fā)送英文按鍵
sbit Send_SMS_PDU_key=P1^2; // 控制發(fā)送中文按鍵
#define MAXCHAR 70 //串口緩沖最大長(zhǎng)度
uchar GsmRcv[MAXCHAR];
#define MAXMSG 15 //接收短信最大長(zhǎng)度
#define MAXREVMSG MAXMSG+2
sbit JIDIANQI=P1^0; //繼電器
sbit FENGMINGQI=P1^1; //蜂鳴器
uchar j=0;
int g_timeout=0;
void Init_UART(void);
void Init_GSM(void);
void delay(uint ms);
void clearBuff(void);
void send_call(void);
void send_english(void);
void hang_up(void);
void Print_Char(uchar ch);
void Print_Str(uchar *str);
void SendUDPMessage(char* pnum, char* context, void (*sendfun)(char*));
void delay(uint ms);
int Hand(uchar *a);
void led(int i);
void main()
{
v_Lcd12864Init_f() ;
v_Lcd12864PutString_f( 2,0, "") ;
v_Lcd12864PutString_f( 2,1, "′′Ë¼í¨DÅ") ;
v_Lcd12864PutString_f( 1,2, "") ;
v_Lcd12864PutString_f( 1,3, "www.csgsm.com") ;
Init_UART(); //初始化串口
Init_GSM(); //初始化GSM
delay(10);
Send_ENGLISH_key=1; //發(fā)英文短信按鍵
Send_SMS_PDU_key=1; //發(fā)中文短信按鍵
clearBuff();
send_call(); //打電話
v_Lcd12864Clear_f() ;
v_Lcd12864PutString_f( 2,1, "") ;
v_Lcd12864PutString_f( 1,2, "") ;
v_Lcd12864PutString_f( 1,3, "") ;
while(1)
{
////////////////////////////////////////////////////////////////////////
P2=0XFF;
if(Send_ENGLISH_key==0) //發(fā)英文短信按鍵
{
while(Send_ENGLISH_key==0)
{
P2 &= ~0X04; //P2.2點(diǎn)亮
}
P2 |= 0X01;
clearBuff(); //清空緩存
v_Lcd12864Clear_f() ; //清屏
v_Lcd12864PutString_f( 0,1, "英文短信發(fā)送....") ;
send_english();
v_Lcd12864PutString_f( 0,1, "短信發(fā)送[OK]") ;
}
else if(Send_SMS_PDU_key==0) //發(fā)中文短信按鍵
{
while(Send_SMS_PDU_key==0)
{
P2 &= ~0X08; //點(diǎn)亮P2.3
}
P2 |= 0X02;
clearBuff(); //清空緩存
v_Lcd12864Clear_f() ; //清屏
v_Lcd12864PutString_f( 0,1, "中文短信發(fā)送....") ;
SendUDPMessage(CALL_YOU_TELNUMBER, SEND_MESSA_CN, Print_Str); //·￠ËíÖDÎç¶ìDÅoˉêy
v_Lcd12864PutString_f( 0,1,"短信發(fā)送[OK]") ;
}
if(strstr(GsmRcv,"RING")!=NULL)
{
FENGMINGQI=0;
delay(2);
clearBuff();
v_Lcd12864Clear_f() ; //清屏
v_Lcd12864PutString_f( 0,1, "有電話[..]") ;
}
else
{
FENGMINGQI=1;
}
if(strstr(GsmRcv,"+CMTI")!=NULL) //緩存中有加CMTI字符
{
clearBuff();
while(!Hand("OK"))//與GSM握手判斷是否返回OK
{
Print_Str("AT+CMGF=1\r\n");
delay(10);
}
clearBuff();
Print_Str("AT+CMGR=1\r\n"); //讀取1號(hào)位置短信
delay(50);
if(strstr(GsmRcv,"k1")!=NULL||strstr(GsmRcv,"K1")!=NULL)
{
v_Lcd12864Clear_f() ; //清屏
v_Lcd12864PutString_f( 0,1, "繼電器打開[OK]") ;
JIDIANQI=0;
}
else if(strstr(GsmRcv,"k0")!=NULL||strstr(GsmRcv,"K0")!=NULL)
{
v_Lcd12864Clear_f() ; //ÇåÆá
v_Lcd12864PutString_f( 0,1, "繼電器關(guān)閉[OK]") ;
JIDIANQI=1;
}
els
{
char pStr[MAXREVMSG];
int n=0;
memset(pStr,0,MAXREVMSG);
v_Lcd12864Clear_f() ;
v_Lcd12864PutString_f( 0,0, "短信內(nèi)容如下:") ;
strncpy(pStr,strstr(GsmRcv+14,"\r\n")+2,MAXREVMSG)
n = strlen(strstr(pStr,"\r\n"));
pStr[MAXREVMSG-n] = '\0';
v_Lcd12864PutString_f( 0,1, pStr);
v_Lcd12864PutString_f( 0,3, "發(fā)十五字以內(nèi)中文") ;
}
clearBuff();
while(!Hand("OK")
{
Print_Str("AT+CMGD=1\r\n")
delay(50);
}
clearBuff();
}
}
}
void ser() interrupt 4
{
if(RI==1)
{ GsmRcv[j]=SBUF;//Ãüáî′æμ½Ãüáîêy×é
RI=0; //èí¼tÇå3y½óêÕÖD¶Ï
j++;
}
}
/*void delay(uint ms)// Ñóê±×ó3ìDò
{
uchar i;
while(ms--)
{
for(i=0;i<120;i++);
}
}*/
void delay(uint ms) //@11.0592MHz
{
unsigned char a, b;
while(ms--)
{
_nop_();
_nop_();
_nop_();
a = 200;
b = 200;
do
{
while (--b);
} while (--a);
}
}
void Print_Char(uchar ch
{
SBUF=ch;
while(TI!=1);
TI=0;
}
void Print_Str(uchar *str
{
while(*str!='\0')
{
Print_Char(*str);
delay(2);
str++;
}
}
/*void Init_UART(void)//9600波特率
{
SCON = 0x50
TMOD |= 0x20
PCON |= 0x80 ;
TH1 = 0xFA ;
TL1=0xFA;
IE |= 0x90 ;
TR1 = 1 ;
TI=1;
ES=1;
}*/
void Init_UART(void)//9600波特率
{
SCON = 0x50;
AUXR &= 0xBF;
AUXR &= 0xFE;
TMOD &= 0x0F;
TMOD |= 0x20;
TL1 = 0xFD;
TH1 = 0xFD;
ET1 = 0;
TR1 = 1;
ES = 1;
EA = 1;
}
void clearBuff(void)
{
for(j=0;j<MAXCHAR;j++)
{
GsmRcv[j]=0x00;
}
j=0;
}
void led(int i)
{
P2 &= ~i;
delay(20);
P2 |= i;
delay(20);
P2 &= ~i;
}
int Hand(uchar *a)
{
delay(10);
if(strstr(GsmRcv,a)!=NULL)
{
g_timeout=0;
return 1;
}
if(g_timeout>50)
{
g_timeout=0;
return -1;
}
g_timeout++;
return 0;
}
void Init_GSM(void)
{
clearBuff();
Print_Str("AT&F\r\n");
led(0x01);
while(strstr(GsmRcv,"OK")==NULL)
{
delay(10);
led(0x01);
clearBuff();
Print_Str("AT&F\r\n");
}
led(0x02);
{
clearBuff();
Print_Str("AT+CREG?\r\n");
led(0x04);
if((strstr(GsmRcv,"+CREG: 0,1") || strstr(GsmRcv,"+CREG: 0,5")))
{
clearBuff();
led(0x08)
break;
}
else
{
clearBuff();
led(0x04);
delay(50);
}
}
while(!Hand("OK")
{
Print_Str("AT+CMGD=1\r\n")
delay(10);
}
clearBuff();
while(!Hand("OK")
{
Print_Str("AT+CNMI=2,1\r\n")
delay(10);
}
clearBuff();
while(!Hand("OK")
{
Print_Str("AT+CMGF=1\r\n")
delay(10);
}
clearBuff();
}
void send_english(void)
{
char temp[20];
memset(temp,0,20);
strcat(temp,"AT+CMGS=");
strcat(temp,CALL_YOU_TELNUMBER);
//strcat(temp,"\"")
strcat(temp,"\r\n");
P2=0XFF;
while(!Hand("OK")
{
Print_Str("AT+CMGF=1\r\n")
delay(50);
}
clearBuff();
Print_Str(temp);
led(0x02);
while(!Hand(">"))
Print_Str(SEND_MESSA_EN);
Print_Char(0x1A);
led(0x04);
clearBuff();
}
void send_call(void)
{
char temp[20];
memset(temp,0,20);
strcat(temp,"ATD");
strcat(temp,CALL_YOU_TELNUMBER);
strcat(temp,";\r\n"); //×é×°ATD18622944083;\r\n
clearBuff();
Print_Str(temp); //′òμç»°
clearBuff();
}
/*void hang_up(void)
{
clearBuff();
Print_Str("ATH\r\n"); //′òμç»°
clearBuff();
}*/
void SendUDPMessage(char* pnum, char* context, void (*sendfun)(char*))
{
unsigned char i=0,x=0;
unsigned char con_cnt[3] = {0,0,0};
unsigned char tabhex[] = "0123456789ABCDEF";
unsigned char num[13] = "";
strncpy(num, pnum, strlen(pnum));
for(i=0; num[i]!=0; i=i+2)
{
if(num[i+1] == 0)
{
num[i+1] = 'F';
}
x = num[i];
num[i] = num[i+1];
num[i+1] = x;
}
(*sendfun)("AT+CMGF=0\r\n")[/i][/i][/i][i];[/i][i][i][i]
delay(50);
(*sendfun)("AT+CMGS=");
x = 15+strlen(context)/2;
con_cnt[0] = 0x30 + x/10;
con_cnt[1] = 0x30 + x%10;
(*sendfun)(con_cnt);
(*sendfun)("\r\n");
delay(50);
(*sendfun)("0011000D9168")
(*sendfun)(num);//·￠ËíoÅÂë
(*sendfun)("0008A0");
x = strlen(context)/2;
con_cnt[1] = tabhex[x&0x0f];
con_cnt[0] = tabhex[(x&0xf0)>>4];
(*sendfun)(con_cnt);
delay(50);
(*sendfun)(context);
con_cnt[0] = 0x1a;
con_cnt[1] = 0;
(*sendfun)(con_cnt)
delay(50);
clearBuff();
}