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improved sms receiving #24

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Merged
merged 1 commit into from
Feb 6, 2021
Merged

improved sms receiving #24

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27 changes: 20 additions & 7 deletions Sim800L.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -201,7 +201,6 @@ uint8_t Sim800L::getFunctionalityMode()
return _functionalityMode;
}


bool Sim800L::setPIN(String pin)
{
String command;
Expand Down Expand Up @@ -480,6 +479,7 @@ bool Sim800L::sendSms(char* number,char* text)
_buffer=_readSerial();
this->SoftwareSerial::print((char)26);
_buffer=_readSerial(60000);
// Serial.println(_buffer);
//expect CMGS:xxx , where xxx is a number,for the sending sms.
if ((_buffer.indexOf("ER")) != -1) {
return true;
Expand All @@ -493,11 +493,24 @@ bool Sim800L::sendSms(char* number,char* text)
}


void Sim800L::prepareForSmsReceive()
bool Sim800L::prepareForSmsReceive()
{
// Configure SMS in text mode
this->SoftwareSerial::print (F("AT+CMGF=1\r"));
this->SoftwareSerial::print(F("AT+CMGF=1\r"));
_buffer=_readSerial();
//Serial.print(_buffer);
if((_buffer.indexOf("OK")) == -1)
{
return false;
}
this->SoftwareSerial::print(F("AT+CNMI=2,1,0,0,0\r"));
_buffer=_readSerial();
//Serial.print(_buffer);
if((_buffer.indexOf("OK")) == -1)
{
return false;
}
return true;
}

const uint8_t Sim800L::checkForSMS()
Expand All @@ -507,7 +520,8 @@ const uint8_t Sim800L::checkForSMS()
{
return 0;
}
//Serial.println(_buffer);
_buffer += _readSerial(1000);
// Serial.println(_buffer);
// +CMTI: "SM",1
if(_buffer.indexOf("CMTI") == -1)
{
Expand Down Expand Up @@ -539,7 +553,7 @@ String Sim800L::readSms(uint8_t index)
{
// Can take up to 5 seconds

if (( _readSerial(5000).indexOf("ER")) != -1)
if(( _readSerial(5000).indexOf("ER")) != -1)
{
return "";
}
Expand All @@ -554,8 +568,7 @@ String Sim800L::readSms(uint8_t index)
return "";
}

_buffer=_readSerial();
//Serial.println(_buffer);
_buffer = _readSerial(10000);
byte first = _buffer.indexOf('\n', 2) + 1;
byte second = _buffer.indexOf('\n', first);
return _buffer.substring(first, second);
Expand Down
3 changes: 2 additions & 1 deletion Sim800L.h
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ class Sim800L : public SoftwareSerial
uint8_t getCallStatus();

const uint8_t checkForSMS();
void prepareForSmsReceive();
bool prepareForSmsReceive();
bool sendSms(char* number,char* text);
String readSms(uint8_t index);
String getNumberSms(uint8_t index);
Expand All @@ -140,6 +140,7 @@ class Sim800L : public SoftwareSerial
void setPhoneFunctionality();
void activateBearerProfile();
void deactivateBearerProfile();
bool setMode();

void RTCtime(int *day,int *month, int *year,int *hour,int *minute, int *second);
String dateNet();
Expand Down
5 changes: 4 additions & 1 deletion examples/readSms/readSms.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,10 @@ void setup() {
Serial.begin(9600);
GSM.begin(4800);
GSM.delAllSms(); // this is optional
GSM.prepareForSmsReceive();
while(!GSM.prepareForSmsReceive())
{
delay(1000);
}
}

void loop() {
Expand Down