sheng xiaolin / Mbed 2 deprecated sim808_GPRS

learning AT command

Dependencies:   mbed

Fork of Nucleo_GPRS_sim808 by sheng xiaolin

main.cpp@1:79272efb4415, 2017-06-11 (annotated)

Committer:
shawlinrise
Date:
Sun Jun 11 10:48:44 2017 +0000
Revision:
1:79272efb4415
Parent:
0:e791ad8b9e26 
SIM808_GPRS

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shawlinrise 0:e791ad8b9e26 1 #include "mbed.h"
shawlinrise 0:e791ad8b9e26 2 #include "string.h"
shawlinrise 0:e791ad8b9e26 3
shawlinrise 0:e791ad8b9e26 4 Serial pc(SERIAL_TX, SERIAL_RX);
shawlinrise 0:e791ad8b9e26 5 Serial sim808(D1,D0);
shawlinrise 0:e791ad8b9e26 6 DigitalOut myled(LED1);
shawlinrise 1:79272efb4415 7 //Ticker beat;
shawlinrise 0:e791ad8b9e26 8
shawlinrise 0:e791ad8b9e26 9 #define buf_max 200
shawlinrise 1:79272efb4415 10 const char *string = "AT+CIPSTART=\"TCP\",\"116.31.51.113\",9015";
shawlinrise 1:79272efb4415 11 char *content="HELLO ~";
shawlinrise 0:e791ad8b9e26 12 int First_Int = 0;
shawlinrise 0:e791ad8b9e26 13 char sim_buf[buf_max];
shawlinrise 0:e791ad8b9e26 14
shawlinrise 0:e791ad8b9e26 15 void SIM808_IRQHandler(void);
shawlinrise 0:e791ad8b9e26 16 void CLR_Buf(void);
shawlinrise 0:e791ad8b9e26 17 void Wait_CREG(void);
shawlinrise 1:79272efb4415 18 int Find(char *a);
shawlinrise 1:79272efb4415 19 void send_beat(void);
shawlinrise 0:e791ad8b9e26 20
shawlinrise 0:e791ad8b9e26 21 //void getline();
shawlinrise 0:e791ad8b9e26 22
shawlinrise 0:e791ad8b9e26 23 void SIM808_IRQHandler(void)
shawlinrise 0:e791ad8b9e26 24 {
shawlinrise 0:e791ad8b9e26 25 sim_buf[First_Int] = sim808.getc();
shawlinrise 0:e791ad8b9e26 26 First_Int++;
shawlinrise 0:e791ad8b9e26 27 }
shawlinrise 0:e791ad8b9e26 28
shawlinrise 0:e791ad8b9e26 29 int main()
shawlinrise 0:e791ad8b9e26 30 {
shawlinrise 0:e791ad8b9e26 31 sim808.attach(&SIM808_IRQHandler,SerialBase::RxIrq);
shawlinrise 0:e791ad8b9e26 32
shawlinrise 1:79272efb4415 33 pc.printf("GPRS Connect Test!");
shawlinrise 0:e791ad8b9e26 34 wait(1);
shawlinrise 0:e791ad8b9e26 35
shawlinrise 0:e791ad8b9e26 36 sim808.printf("AT");
shawlinrise 0:e791ad8b9e26 37 sim808.printf("\r\n");
shawlinrise 0:e791ad8b9e26 38 wait(1);
shawlinrise 0:e791ad8b9e26 39 pc.printf("%s",sim_buf);
shawlinrise 0:e791ad8b9e26 40 CLR_Buf();
shawlinrise 0:e791ad8b9e26 41
shawlinrise 0:e791ad8b9e26 42 Wait_CREG();
shawlinrise 1:79272efb4415 43 pc.printf("Register Succeed!");
shawlinrise 1:79272efb4415 44
shawlinrise 1:79272efb4415 45 sim808.printf("AT+CIPCLOSE=1");//¹Ø±ÕÁ¬½Ó
shawlinrise 1:79272efb4415 46 sim808.printf("\r\n");
shawlinrise 1:79272efb4415 47 wait(1);
shawlinrise 1:79272efb4415 48 pc.printf("%s",sim_buf);
shawlinrise 1:79272efb4415 49 CLR_Buf();
shawlinrise 1:79272efb4415 50
shawlinrise 1:79272efb4415 51 sim808.printf("AT+CIPSHUT");//¹Ø±ÕÒƶ¯³¡¾°
shawlinrise 0:e791ad8b9e26 52 sim808.printf("\r\n");
shawlinrise 0:e791ad8b9e26 53 wait(1);
shawlinrise 0:e791ad8b9e26 54 pc.printf("%s",sim_buf);
shawlinrise 0:e791ad8b9e26 55 CLR_Buf();
shawlinrise 0:e791ad8b9e26 56
shawlinrise 1:79272efb4415 57 sim808.printf("AT+CGCLASS=\"B\"");//ÉèÖÃGPRSÒƶ¯Ì¨Àà±ðΪB,Ö§³Ö°ü½»»»ºÍÊý¾Ý½»»»
shawlinrise 0:e791ad8b9e26 58 sim808.printf("\r\n");
shawlinrise 0:e791ad8b9e26 59 wait(1);
shawlinrise 0:e791ad8b9e26 60 pc.printf("%s",sim_buf);
shawlinrise 0:e791ad8b9e26 61 CLR_Buf();
shawlinrise 0:e791ad8b9e26 62
shawlinrise 1:79272efb4415 63 sim808.printf("AT+CGDCONT=1,\"IP\",\"CMNET\"");//ÉèÖÃPDPÉÏÏÂÎÄ,»¥ÁªÍø½ÓЭÒé,½ÓÈëµãµÈÐÅÏ¢
shawlinrise 1:79272efb4415 64 sim808.printf("\r\n");
shawlinrise 1:79272efb4415 65 wait(1);
shawlinrise 1:79272efb4415 66 pc.printf("%s",sim_buf);
shawlinrise 1:79272efb4415 67 CLR_Buf();
shawlinrise 1:79272efb4415 68
shawlinrise 1:79272efb4415 69 sim808.printf("AT+CGATT=1");//¸½×ÅGPRSÒµÎñ
shawlinrise 0:e791ad8b9e26 70 sim808.printf("\r\n");
shawlinrise 0:e791ad8b9e26 71 wait(1);
shawlinrise 0:e791ad8b9e26 72 pc.printf("%s",sim_buf);
shawlinrise 0:e791ad8b9e26 73 CLR_Buf();
shawlinrise 0:e791ad8b9e26 74
shawlinrise 1:79272efb4415 75 sim808.printf("AT+CIPCSGP=1,\"CMNET\"");//ÉèÖÃΪGPRSÁ¬½Óģʽ
shawlinrise 1:79272efb4415 76 sim808.printf("\r\n");
shawlinrise 1:79272efb4415 77 wait(1);
shawlinrise 1:79272efb4415 78 pc.printf("%s",sim_buf);
shawlinrise 1:79272efb4415 79 CLR_Buf();
shawlinrise 1:79272efb4415 80
shawlinrise 1:79272efb4415 81 sim808.printf("AT+CIPHEAD=1");//ÉèÖýÓÊÕÊý¾ÝÏÔʾIPÍ·(·½±ãÅжÏÊý¾ÝÀ´Ô´,½öÔÚµ¥Â·Á¬½ÓÓÐЧ)
shawlinrise 0:e791ad8b9e26 82 sim808.printf("\r\n");
shawlinrise 0:e791ad8b9e26 83 wait(1);
shawlinrise 0:e791ad8b9e26 84 pc.printf("%s",sim_buf);
shawlinrise 0:e791ad8b9e26 85 CLR_Buf();
shawlinrise 0:e791ad8b9e26 86
shawlinrise 1:79272efb4415 87 sim808.printf("%s",(char*)string);
shawlinrise 1:79272efb4415 88 wait(1);
shawlinrise 0:e791ad8b9e26 89 pc.printf("%s",sim_buf);
shawlinrise 0:e791ad8b9e26 90 CLR_Buf();
shawlinrise 1:79272efb4415 91
shawlinrise 1:79272efb4415 92 sim808.printf("AT+CGDCONT=1");
shawlinrise 1:79272efb4415 93 sim808.printf("\r\n");
shawlinrise 1:79272efb4415 94 wait(1);
shawlinrise 1:79272efb4415 95 pc.printf("%s",sim_buf);
shawlinrise 1:79272efb4415 96
shawlinrise 1:79272efb4415 97 while(1)
shawlinrise 1:79272efb4415 98 {
shawlinrise 1:79272efb4415 99 if(Find("CONNECT OK")==1)
shawlinrise 1:79272efb4415 100 {
shawlinrise 1:79272efb4415 101 sim808.printf("%s",(char*)content);
shawlinrise 1:79272efb4415 102 }
shawlinrise 1:79272efb4415 103 else
shawlinrise 1:79272efb4415 104 {
shawlinrise 1:79272efb4415 105 pc.printf("Do Not Connected!");
shawlinrise 1:79272efb4415 106 }
shawlinrise 1:79272efb4415 107 }
shawlinrise 1:79272efb4415 108
shawlinrise 1:79272efb4415 109 // beat.attach(&send_beat,10);
shawlinrise 1:79272efb4415 110 // while(1);
shawlinrise 0:e791ad8b9e26 111 }
shawlinrise 0:e791ad8b9e26 112
shawlinrise 1:79272efb4415 113 //void send_beat(void)
shawlinrise 1:79272efb4415 114 //{
shawlinrise 1:79272efb4415 115 // sim808.printf("AT+CIPSEND");
shawlinrise 1:79272efb4415 116 // sim808.printf("\r\n");
shawlinrise 1:79272efb4415 117 // pc.printf("%s",sim_buf);
shawlinrise 1:79272efb4415 118 // if(Find("<")==1)
shawlinrise 1:79272efb4415 119 // {
shawlinrise 1:79272efb4415 120 // sim808.printf("OK");
shawlinrise 1:79272efb4415 121 // CLR_Buf();
shawlinrise 1:79272efb4415 122 // }
shawlinrise 1:79272efb4415 123 //
shawlinrise 1:79272efb4415 124 //}
shawlinrise 0:e791ad8b9e26 125
shawlinrise 0:e791ad8b9e26 126 //void getline()
shawlinrise 0:e791ad8b9e26 127 //{
shawlinrise 0:e791ad8b9e26 128 // pc.putc(sim808.getc());
shawlinrise 0:e791ad8b9e26 129 //}
shawlinrise 0:e791ad8b9e26 130
shawlinrise 0:e791ad8b9e26 131 void CLR_Buf(void)
shawlinrise 0:e791ad8b9e26 132 {
shawlinrise 0:e791ad8b9e26 133 uint16_t k;
shawlinrise 0:e791ad8b9e26 134 for(k=0;k<buf_max;k++) //½«»º´æÄÚÈÝÇåÁã
shawlinrise 0:e791ad8b9e26 135 {
shawlinrise 0:e791ad8b9e26 136 sim_buf[k] = 0x00;
shawlinrise 0:e791ad8b9e26 137 }
shawlinrise 0:e791ad8b9e26 138 First_Int = 0; //½ÓÊÕ×Ö·û´®µÄÆðʼ´æ´¢Î»ÖÃ
shawlinrise 0:e791ad8b9e26 139 }
shawlinrise 0:e791ad8b9e26 140
shawlinrise 1:79272efb4415 141 int Find(char *a)
shawlinrise 1:79272efb4415 142 {
shawlinrise 1:79272efb4415 143 if(strstr(sim_buf,a)!=NULL)
shawlinrise 1:79272efb4415 144 return 1;
shawlinrise 1:79272efb4415 145 else
shawlinrise 1:79272efb4415 146 return 0;
shawlinrise 1:79272efb4415 147 }
shawlinrise 0:e791ad8b9e26 148
shawlinrise 0:e791ad8b9e26 149 void Wait_CREG(void)
shawlinrise 0:e791ad8b9e26 150 {
shawlinrise 0:e791ad8b9e26 151 int i;
shawlinrise 0:e791ad8b9e26 152 int k;
shawlinrise 0:e791ad8b9e26 153 i = 0;
shawlinrise 0:e791ad8b9e26 154 CLR_Buf();
shawlinrise 0:e791ad8b9e26 155 while(i == 0)
shawlinrise 0:e791ad8b9e26 156 {
shawlinrise 0:e791ad8b9e26 157 CLR_Buf();
shawlinrise 0:e791ad8b9e26 158 sim808.printf("AT+CREG?");
shawlinrise 0:e791ad8b9e26 159 sim808.printf("\r\n");
shawlinrise 0:e791ad8b9e26 160 wait(1);
shawlinrise 0:e791ad8b9e26 161 pc.printf("%s\r\n",sim_buf);
shawlinrise 0:e791ad8b9e26 162 for(k=0;k<buf_max;k++)
shawlinrise 0:e791ad8b9e26 163 {
shawlinrise 0:e791ad8b9e26 164 if(sim_buf[k] == ':')
shawlinrise 0:e791ad8b9e26 165 {
shawlinrise 0:e791ad8b9e26 166 if((sim_buf[k+4] == '1')||(sim_buf[k+4] == '5'))
shawlinrise 0:e791ad8b9e26 167 {
shawlinrise 0:e791ad8b9e26 168 i = 1;
shawlinrise 0:e791ad8b9e26 169 break;
shawlinrise 0:e791ad8b9e26 170 }
shawlinrise 0:e791ad8b9e26 171 }
shawlinrise 0:e791ad8b9e26 172 }
shawlinrise 0:e791ad8b9e26 173 pc.printf("CREGING.....\r\n");
shawlinrise 0:e791ad8b9e26 174 }
shawlinrise 1:79272efb4415 175 }