schneider françois / sim800l

Sim800L loib obj sms

sim800l.cpp@0:5c39ec4eaaa1, 2022-04-23 (annotated)

Committer:
schnf30
Date:
Sat Apr 23 08:01:40 2022 +0000
Revision:
0:5c39ec4eaaa1
Child:
1:2e6fa015734c
VERSION POUR F746ZG

Who changed what in which revision?

UserRevisionLine numberNew contents of line
schnf30 0:5c39ec4eaaa1 1
schnf30 0:5c39ec4eaaa1 2 #include "mbed.h"
schnf30 0:5c39ec4eaaa1 3 #include "sim800l.h"
schnf30 0:5c39ec4eaaa1 4 char _DataTmp[maxdata + 1]; // tableau de donnees pour stocker pendant reception
schnf30 0:5c39ec4eaaa1 5 char _Data[maxdata + 1]; // tableau de donnees lorsque toutes les donnees sont recues
schnf30 0:5c39ec4eaaa1 6 char _DataSms[maxdata + 1]; // tableau de donnees lorsque toutes les donnees sont recues
schnf30 0:5c39ec4eaaa1 7 char _Phrase[maxdata + 1]; // pour convertir en phrase avant envoi
schnf30 0:5c39ec4eaaa1 8 Sim800l::Sim800l(PinName tx, PinName rx, PinName resetpin,int baudrate):serial(tx,rx), reset (resetpin)
schnf30 0:5c39ec4eaaa1 9 {
schnf30 0:5c39ec4eaaa1 10 reset.write(0); //reset
schnf30 0:5c39ec4eaaa1 11 _DataTmp[0] = 0;
schnf30 0:5c39ec4eaaa1 12 _Data[0] = 0;
schnf30 0:5c39ec4eaaa1 13 _DataPtr = 0;
schnf30 0:5c39ec4eaaa1 14 _DataReady = false;
schnf30 0:5c39ec4eaaa1 15 _SmsReady = false;
schnf30 0:5c39ec4eaaa1 16 _IndexSms = 0;
schnf30 0:5c39ec4eaaa1 17 serial.baud(baudrate); // configure data baud
schnf30 0:5c39ec4eaaa1 18 }
schnf30 0:5c39ec4eaaa1 19 // retourne incdex du sms recu
schnf30 0:5c39ec4eaaa1 20 int Sim800l::IndexSmsRecu(void)
schnf30 0:5c39ec4eaaa1 21 {
schnf30 0:5c39ec4eaaa1 22 return _IndexSms;
schnf30 0:5c39ec4eaaa1 23 }
schnf30 0:5c39ec4eaaa1 24 // return true si une phrase a ete recue
schnf30 0:5c39ec4eaaa1 25 bool Sim800l::dataready(void)
schnf30 0:5c39ec4eaaa1 26 {
schnf30 0:5c39ec4eaaa1 27 return _DataReady;
schnf30 0:5c39ec4eaaa1 28 }
schnf30 0:5c39ec4eaaa1 29 // return phrase recu
schnf30 0:5c39ec4eaaa1 30 char * Sim800l::read(void)
schnf30 0:5c39ec4eaaa1 31 {
schnf30 0:5c39ec4eaaa1 32 _DataReady = false;
schnf30 0:5c39ec4eaaa1 33 return _Data;
schnf30 0:5c39ec4eaaa1 34 }
schnf30 0:5c39ec4eaaa1 35 // recoit les caractere serie et les stocke en tache de fond
schnf30 0:5c39ec4eaaa1 36 void Sim800l::receive()
schnf30 0:5c39ec4eaaa1 37 {
schnf30 0:5c39ec4eaaa1 38 char inChar;
schnf30 0:5c39ec4eaaa1 39 if (serial.readable()) {
schnf30 0:5c39ec4eaaa1 40 inChar = serial.getc();
schnf30 0:5c39ec4eaaa1 41 // pc.putc(inChar); // pour echo
schnf30 0:5c39ec4eaaa1 42 switch (inChar) {
schnf30 0:5c39ec4eaaa1 43 case '\n' :
schnf30 0:5c39ec4eaaa1 44 if (_DataPtr > 1) {
schnf30 0:5c39ec4eaaa1 45 // pc.printf("-%s/\r\n",_DataTmp);
schnf30 0:5c39ec4eaaa1 46 if (strncmp(_DataTmp,"+CMTI:",6)==NULL) { // recoit sms +CMTI: "SM",3
schnf30 0:5c39ec4eaaa1 47 if (sscanf(_DataTmp,"+CMTI: \"SM\",%d",&_IndexSms)==1) _SmsReady = true;
schnf30 0:5c39ec4eaaa1 48 } else { // cmde
schnf30 0:5c39ec4eaaa1 49 strcpy(_Data,_DataTmp);
schnf30 0:5c39ec4eaaa1 50 _DataReady = true;
schnf30 0:5c39ec4eaaa1 51 }
schnf30 0:5c39ec4eaaa1 52 }
schnf30 0:5c39ec4eaaa1 53 _DataTmp[0] = 0;
schnf30 0:5c39ec4eaaa1 54 _DataPtr = 0;
schnf30 0:5c39ec4eaaa1 55 break;
schnf30 0:5c39ec4eaaa1 56 case 0 :
schnf30 0:5c39ec4eaaa1 57 break;
schnf30 0:5c39ec4eaaa1 58 case '\r' :
schnf30 0:5c39ec4eaaa1 59 break;
schnf30 0:5c39ec4eaaa1 60 case ' ' :
schnf30 0:5c39ec4eaaa1 61 if (_DataPtr==1) {
schnf30 0:5c39ec4eaaa1 62 if ( _DataTmp[0]=='>') {
schnf30 0:5c39ec4eaaa1 63 strcpy(_Data,_DataTmp);
schnf30 0:5c39ec4eaaa1 64 _DataReady = true;
schnf30 0:5c39ec4eaaa1 65 _DataTmp[0] = 0;
schnf30 0:5c39ec4eaaa1 66 _DataPtr = 0;
schnf30 0:5c39ec4eaaa1 67 break;
schnf30 0:5c39ec4eaaa1 68 }
schnf30 0:5c39ec4eaaa1 69 }
schnf30 0:5c39ec4eaaa1 70 default :
schnf30 0:5c39ec4eaaa1 71 _DataTmp[_DataPtr] = inChar;
schnf30 0:5c39ec4eaaa1 72 _DataPtr = _DataPtr + 1;
schnf30 0:5c39ec4eaaa1 73 _DataTmp[_DataPtr] = 0;
schnf30 0:5c39ec4eaaa1 74 }
schnf30 0:5c39ec4eaaa1 75 if (_DataPtr >= maxdata) { // si phrase trop longue vide phrase
schnf30 0:5c39ec4eaaa1 76 _DataTmp[0] = 0;
schnf30 0:5c39ec4eaaa1 77 _DataPtr = 0;
schnf30 0:5c39ec4eaaa1 78 }
schnf30 0:5c39ec4eaaa1 79 }
schnf30 0:5c39ec4eaaa1 80 }
schnf30 0:5c39ec4eaaa1 81 // fonction appele en fin timerout
schnf30 0:5c39ec4eaaa1 82 void Sim800l::Ftimeout()
schnf30 0:5c39ec4eaaa1 83 {
schnf30 0:5c39ec4eaaa1 84 FinTimeOut = true;
schnf30 0:5c39ec4eaaa1 85 }
schnf30 0:5c39ec4eaaa1 86 // defini time out et le lance
schnf30 0:5c39ec4eaaa1 87 void Sim800l::SetTimeout(float delay)
schnf30 0:5c39ec4eaaa1 88 {
schnf30 0:5c39ec4eaaa1 89 FinTimeOut = false;
schnf30 0:5c39ec4eaaa1 90 _timeout.attach(callback(this,&Sim800l::Ftimeout),delay);
schnf30 0:5c39ec4eaaa1 91 // timeout.attach(callback(this, &Sonar::trigger_toggle), 10.0e-6);
schnf30 0:5c39ec4eaaa1 92 }
schnf30 0:5c39ec4eaaa1 93 // attente reponse dans *reponse jusqua timeout
schnf30 0:5c39ec4eaaa1 94 bool Sim800l::waitreponse(const char *reponse,float timeout)
schnf30 0:5c39ec4eaaa1 95 {
schnf30 0:5c39ec4eaaa1 96 SetTimeout(timeout);
schnf30 0:5c39ec4eaaa1 97 while (FinTimeOut==false) { // attente Ok
schnf30 0:5c39ec4eaaa1 98 if (dataready()) {
schnf30 0:5c39ec4eaaa1 99 if (strcmp(read(),reponse)==0) return true;
schnf30 0:5c39ec4eaaa1 100 }
schnf30 0:5c39ec4eaaa1 101 }
schnf30 0:5c39ec4eaaa1 102 return false; // timeout ecoule donc erreur
schnf30 0:5c39ec4eaaa1 103 }
schnf30 0:5c39ec4eaaa1 104 // envoi commande et attend reponse
schnf30 0:5c39ec4eaaa1 105 bool Sim800l::writecmdandwaitreponse(const char *data, const char *reponse,float timeout)
schnf30 0:5c39ec4eaaa1 106 {
schnf30 0:5c39ec4eaaa1 107 serial.printf("%s",data);
schnf30 0:5c39ec4eaaa1 108 return waitreponse(reponse,timeout);
schnf30 0:5c39ec4eaaa1 109 }
schnf30 0:5c39ec4eaaa1 110 // initialise SIM800L en mode SMS Texte
schnf30 0:5c39ec4eaaa1 111 // configure baud
schnf30 0:5c39ec4eaaa1 112 // Renvoi
schnf30 0:5c39ec4eaaa1 113 // - true tout s'est bien passé
schnf30 0:5c39ec4eaaa1 114 // - false erreur
schnf30 0:5c39ec4eaaa1 115 // cmdecho = true --> copie donne de reponse sim800l vers pc
schnf30 0:5c39ec4eaaa1 116 bool Sim800l::init()
schnf30 0:5c39ec4eaaa1 117 {
schnf30 0:5c39ec4eaaa1 118 bool resultat = true;
schnf30 0:5c39ec4eaaa1 119 _DataTmp[0] = 0;
schnf30 0:5c39ec4eaaa1 120 _Data[0] = 0;
schnf30 0:5c39ec4eaaa1 121 _DataPtr = 0;
schnf30 0:5c39ec4eaaa1 122 _DataReady = false;
schnf30 0:5c39ec4eaaa1 123 _SmsReady = false;
schnf30 0:5c39ec4eaaa1 124 _IndexSms = 0;
schnf30 0:5c39ec4eaaa1 125 reset.write(0); //reset
schnf30 0:5c39ec4eaaa1 126 thread_sleep_for(200);
schnf30 0:5c39ec4eaaa1 127 reset.write(1);
schnf30 0:5c39ec4eaaa1 128 serial.attach(callback(this, &Sim800l::receive), RawSerial::RxIrq); // affecte interruption sur Rx
schnf30 0:5c39ec4eaaa1 129 thread_sleep_for(1000);
schnf30 0:5c39ec4eaaa1 130 int i=0;
schnf30 0:5c39ec4eaaa1 131 while (!writecmdandwaitreponse("AT\r\n","OK",timeoutdefaut)) { // on attend 10 x pas plus
schnf30 0:5c39ec4eaaa1 132 if (i++>10) return false;
schnf30 0:5c39ec4eaaa1 133 }
schnf30 0:5c39ec4eaaa1 134 if (!waitreponse("Call Ready",timewaitCallready)) return false;
schnf30 0:5c39ec4eaaa1 135 if (!waitreponse("SMS Ready",timewaitSmsready)) return false;
schnf30 0:5c39ec4eaaa1 136 return writecmdandwaitreponse("AT+CMGF=1\r\n","OK",timeoutdefaut); // Passe sms mode texte
schnf30 0:5c39ec4eaaa1 137 }
schnf30 0:5c39ec4eaaa1 138 bool Sim800l::smsclearall(void)
schnf30 0:5c39ec4eaaa1 139 {
schnf30 0:5c39ec4eaaa1 140 return writecmdandwaitreponse("AT+CMGDA=\"DEL ALL\"\r\n","OK",timewaitSmsallclear); // efface sms
schnf30 0:5c39ec4eaaa1 141
schnf30 0:5c39ec4eaaa1 142 }
schnf30 0:5c39ec4eaaa1 143 bool Sim800l::smsready(void)
schnf30 0:5c39ec4eaaa1 144 {
schnf30 0:5c39ec4eaaa1 145 bool _SmsReadytemp = _SmsReady;
schnf30 0:5c39ec4eaaa1 146 _SmsReady = false;
schnf30 0:5c39ec4eaaa1 147 return _SmsReadytemp;
schnf30 0:5c39ec4eaaa1 148 }
schnf30 0:5c39ec4eaaa1 149 bool Sim800l::sendsms(const char *phonenumber,const char *data)
schnf30 0:5c39ec4eaaa1 150 {
schnf30 0:5c39ec4eaaa1 151 if (!writecmdandwaitreponse("AT+CMGF=1\r\n","OK",timeoutdefaut)) return false; // Passe sms mode texte
schnf30 0:5c39ec4eaaa1 152 sprintf(_Phrase,"AT+CMGS=\"%s\"\r\n",phonenumber);
schnf30 0:5c39ec4eaaa1 153 if (!writecmdandwaitreponse(_Phrase,">",timeoutsendsms)) return false; // ouvre sms
schnf30 0:5c39ec4eaaa1 154 sprintf(_Phrase,"%s%c\r\n",data,26);
schnf30 0:5c39ec4eaaa1 155 return writecmdandwaitreponse(_Phrase,"OK",timeoutsendsms); // envoi message
schnf30 0:5c39ec4eaaa1 156 }
schnf30 0:5c39ec4eaaa1 157 // attente r eponse dans *reponse
schnf30 0:5c39ec4eaaa1 158 bool Sim800l::waitsmsreponse(const char *reponse,float timeout)
schnf30 0:5c39ec4eaaa1 159 {
schnf30 0:5c39ec4eaaa1 160 char DataSmsOk = 0;
schnf30 0:5c39ec4eaaa1 161 _DataSms[0] = 0;
schnf30 0:5c39ec4eaaa1 162 SetTimeout(timeout);
schnf30 0:5c39ec4eaaa1 163 while (FinTimeOut==false) { // attente Ok
schnf30 0:5c39ec4eaaa1 164 if (dataready()) {
schnf30 0:5c39ec4eaaa1 165 // pc.printf("-%s --> %d:%s/\r\n",_Data,DataSmsOk,_DataSms);
schnf30 0:5c39ec4eaaa1 166 if (strcmp(read(),reponse)==0) return true;
schnf30 0:5c39ec4eaaa1 167 if (strncmp(_Data,"+CMGR:",6)==NULL) DataSmsOk = 1;
schnf30 0:5c39ec4eaaa1 168 else if (DataSmsOk!=0) {
schnf30 0:5c39ec4eaaa1 169 if (DataSmsOk > 1) strcat(_DataSms,",");
schnf30 0:5c39ec4eaaa1 170 strcat(_DataSms,_Data);
schnf30 0:5c39ec4eaaa1 171 DataSmsOk = 2;
schnf30 0:5c39ec4eaaa1 172 }
schnf30 0:5c39ec4eaaa1 173 // pc.printf("-%s --> %d:%s/\r\n",_Data,DataSmsOk,_DataSms);
schnf30 0:5c39ec4eaaa1 174 }
schnf30 0:5c39ec4eaaa1 175 }
schnf30 0:5c39ec4eaaa1 176 return false; // timeout ecoule donc erreur
schnf30 0:5c39ec4eaaa1 177 }
schnf30 0:5c39ec4eaaa1 178 char *Sim800l::readtextesms()
schnf30 0:5c39ec4eaaa1 179 {
schnf30 0:5c39ec4eaaa1 180 return _DataSms;
schnf30 0:5c39ec4eaaa1 181 }
schnf30 0:5c39ec4eaaa1 182 bool Sim800l::readsms(int index)
schnf30 0:5c39ec4eaaa1 183 {
schnf30 0:5c39ec4eaaa1 184 serial.printf("AT+CMGR=%d,0\r\n",index);
schnf30 0:5c39ec4eaaa1 185 return waitsmsreponse("OK",timeoutreadsms);
schnf30 0:5c39ec4eaaa1 186 }