Functions.ino

void RotaryIn(){   //Listen for pulses from the rotary dial. NO LOOP here. This runs once per iteration of "void loop", so the timing of other things in the main loop will affect this.
	if (digitalRead(RotaryPulseIn) == HIGH){    //If the pin connected to the rotary dial goes high...
		StartTimeSinceLastPulse = true;
		if (StillOn == false){     //...and if we're not still in the same (continuous) pulse from the previous iteration of void loop()...
			BarGraphFast(n+1);
			n++;    //...Increment the counter...
			if (n == 10){
				n = 0;
			}
			delay(10);
		}
		StillOn = true;   // ...and turn on the flag that says a pulse just happened.
	}

	if (StillOn == true){     //If a pulse just happened...
		if ((digitalRead(RotaryPulseIn) == LOW)){   //See if the pin connected to the rotary dial goes low...
			StillOn = false;    //...if it did, we turn off the "StillOn" flag.
			digitalWrite(StatusLED, HIGH);
			delay(20);
			digitalWrite(StatusLED, LOW);
			delay(40);
			TimeSinceLastPulse = 0;     //Reset the time since last pulse (not really time... rather a counter for "void loop").
		}
	}

	if (StartTimeSinceLastPulse == true){
		TimeSinceLastPulse++;
	}

	if (TimeSinceLastPulse == 1000){    //If a long enough time has lapsed since the last pulse from the rotary dial, assume the dial has stopped rotating...
		PNumber[k] = n;    //...and write the current value of n to the current position (k) in the phone number (PNumber)
		k++;      //increment to the next position of the phone number
		FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
		FONAserial.println(n);
		delay(20);
		FONAserial.print("AT+VTS=");	//Send DTMF tone over network (for menu entries, etc).
		FONAserial.println(n);
		newrotaryinput = true;
		n = 0;  //reset n
	}
}

void StarPoundRotaryIn(){   //Listen for pulses from the rotary dial. NO LOOP here. This runs once per iteration of "void loop", so the timing of other things in the main loop will affect this.
	if (digitalRead(RotaryPulseIn) == HIGH){    //If the pin connected to the rotary dial goes high...
		StartTimeSinceLastPulse = true;
		if (StillOn == false){     //...and if we're not still in the same (continuous) pulse from the previous iteration of void loop()...
			BarGraphFast(n+1);
			n++;    //...Increment the counter...
			if (n == 10){
				n = 0;
			}
			delay(10);
		}
		StillOn = true;   // ...and turn on the flag that says a pulse just happened.
	}

	if (StillOn == true){     //If a pulse just happened...
		if ((digitalRead(RotaryPulseIn) == LOW)){   //See if the pin connected to the rotary dial goes low...
			StillOn = false;    //...if it did, we turn off the "StillOn" flag.
			digitalWrite(StatusLED, HIGH);
			delay(20);
			digitalWrite(StatusLED, LOW);
			delay(40);
			TimeSinceLastPulse = 0;     //Reset the time since last pulse (not really time... rather a counter for "void loop").
		}
	}

	if (StartTimeSinceLastPulse == true){
		TimeSinceLastPulse++;
	}

	if (TimeSinceLastPulse == 1000){    //If a long enough time has lapsed since the last pulse from the rotary dial, assume the dial has stopped rotating...
		PNumber[k] = n;    //...and write the current value of n to the current position (k) in the phone number (PNumber)
		k++;      //increment to the next position of the phone number
		if (n == 2){		//Consider this a "*"
			FONAserial.println("AT+CPTONE=*");	//Play DTMF tone over speaker				
			delay(20);
			FONAserial.println("AT+VTS=*");	//Send DTMF tone over network (for menu entries, etc).
		}
		else if (n == 1){	//Consider this a "#"
			FONAserial.println("AT+CPTONE=#");	//Play DTMF tone over speaker				
			delay(20);
			FONAserial.println("AT+VTS=#");	//Send DTMF tone over network (for menu entries, etc).
		}
		n = 0;  //reset n
	}
}



void FONAserialReceive(){    //Listens over RS232, puts any string that's received into "ReceivedChars", and looks for some EndMarker character to change the NewData flag to True.
	static byte n = 0;
	char EndMarker = 'O';   //This is the "K" from "OK", which the SIM5230 always returns after accepting a command.
	char rc;
	int cnt;
 	while (FONAserial.available() && NewData == false){		//For some reason the conditional MUST be "FONAserial.available()" and not "FONAserial.available() > 0".
		rc = FONAserial.read();
		if (rc != EndMarker){
			ReceivedChars[n] = rc;
			n++;
			if (n >= nChars){
				n = nChars - 1;
			}
		}
		else{
			ReceivedChars[n] = '\0'; // terminate the string
			n = 0;
			NewData = true;
		}
	}
}

void ClearBuffer(){  //Clear the currently entered phone number
	PNumber[0] = 99;  //Reset the phone number
	PNumber[1] = 99;
	PNumber[2] = 99;
	PNumber[3] = 99;
	PNumber[4] = 99;
	PNumber[5] = 99;
	PNumber[6] = 99;
	PNumber[7] = 99;
	PNumber[8] = 99;
	PNumber[9] = 99;
	PNumber[10] = 99;
	PNumber[11] = 99;
	PNumber[12] = 99;
	PNumber[13] = 99;
	PNumber[14] = 99;
	PNumber[15] = 99;
	k = 0;    //Reset the position of the phone number
	newrotaryinput = false;
	BarGraphWipeUp();
}

void ClearBufferSilent(){  //Clear the currently entered phone number
	PNumber[0] = 99;  //Reset the phone number
	PNumber[1] = 99;
	PNumber[2] = 99;
	PNumber[3] = 99;
	PNumber[4] = 99;
	PNumber[5] = 99;
	PNumber[6] = 99;
	PNumber[7] = 99;
	PNumber[8] = 99;
	PNumber[9] = 99;
	PNumber[10] = 99;
	PNumber[11] = 99;
	PNumber[12] = 99;
	PNumber[13] = 99;
	PNumber[14] = 99;
	PNumber[15] = 99;
	newrotaryinput = false;
	k = 0;    //Reset the position of the phone number
}

void BarGraphSlow(int level){
	Serial.println(level);
	if (level >= 1){
		digitalWrite(BGLED1, HIGH);
	}
	if (level >= 2){
		digitalWrite(BGLED2, HIGH);
	}
	if (level >= 3){
		digitalWrite(BGLED3, HIGH);
	}
	if (level >= 4){
		digitalWrite(BGLED4, HIGH);
	}
	if (level >= 5){
		digitalWrite(BGLED5, HIGH);
	}
	if (level >= 6){
		digitalWrite(BGLED6, HIGH);
	}
	if (level >= 7){
		digitalWrite(BGLED7, HIGH);
	}
	if (level >= 8){
		digitalWrite(BGLED8, HIGH);
	}
	if (level >= 9){
		digitalWrite(BGLED9, HIGH);
	}
	if (level >= 10){
		digitalWrite(BGLED10, HIGH);
	}
	delay(200);
	digitalWrite(BGLED1, LOW);
	digitalWrite(BGLED2, LOW);
	digitalWrite(BGLED3, LOW);
	digitalWrite(BGLED4, LOW);
	digitalWrite(BGLED5, LOW);
	digitalWrite(BGLED6, LOW);
	digitalWrite(BGLED7, LOW);
	digitalWrite(BGLED8, LOW);
	digitalWrite(BGLED9, LOW);
	digitalWrite(BGLED10, LOW);
	delay(100);
}

void BarGraphFast(int level){
	Serial.println(level);
	if (level >= 1){
		digitalWrite(BGLED1, HIGH);
	}
	if (level >= 2){
		digitalWrite(BGLED2, HIGH);
	}
	if (level >= 3){
		digitalWrite(BGLED3, HIGH);
	}
	if (level >= 4){
		digitalWrite(BGLED4, HIGH);
	}
	if (level >= 5){
		digitalWrite(BGLED5, HIGH);
	}
	if (level >= 6){
		digitalWrite(BGLED6, HIGH);
	}
	if (level >= 7){
		digitalWrite(BGLED7, HIGH);
	}
	if (level >= 8){
		digitalWrite(BGLED8, HIGH);
	}
	if (level >= 9){
		digitalWrite(BGLED9, HIGH);
	}
	if (level >= 10){
		digitalWrite(BGLED10, HIGH);
	}
	delay(20);
	digitalWrite(BGLED1, LOW);
	digitalWrite(BGLED2, LOW);
	digitalWrite(BGLED3, LOW);
	digitalWrite(BGLED4, LOW);
	digitalWrite(BGLED5, LOW);
	digitalWrite(BGLED6, LOW);
	digitalWrite(BGLED7, LOW);
	digitalWrite(BGLED8, LOW);
	digitalWrite(BGLED9, LOW);
	digitalWrite(BGLED10, LOW);
}

void BarGraphMed(int level){
	Serial.println(level);
	if (level >= 1){
		digitalWrite(BGLED1, HIGH);
	}
	if (level >= 2){
		digitalWrite(BGLED2, HIGH);
	}
	if (level >= 3){
		digitalWrite(BGLED3, HIGH);
	}
	if (level >= 4){
		digitalWrite(BGLED4, HIGH);
	}
	if (level >= 5){
		digitalWrite(BGLED5, HIGH);
	}
	if (level >= 6){
		digitalWrite(BGLED6, HIGH);
	}
	if (level >= 7){
		digitalWrite(BGLED7, HIGH);
	}
	if (level >= 8){
		digitalWrite(BGLED8, HIGH);
	}
	if (level >= 9){
		digitalWrite(BGLED9, HIGH);
	}
	if (level >= 10){
		digitalWrite(BGLED10, HIGH);
	}
	delay(80);
	digitalWrite(BGLED1, LOW);
	digitalWrite(BGLED2, LOW);
	digitalWrite(BGLED3, LOW);
	digitalWrite(BGLED4, LOW);
	digitalWrite(BGLED5, LOW);
	digitalWrite(BGLED6, LOW);
	digitalWrite(BGLED7, LOW);
	digitalWrite(BGLED8, LOW);
	digitalWrite(BGLED9, LOW);
	digitalWrite(BGLED10, LOW);
	delay(50);
}

void BarGraphWipeUp(){
		int holdtime = 20;
	 	digitalWrite(StatusLED, HIGH);    
		digitalWrite(BGLED10, HIGH);
		delay(holdtime);
		digitalWrite(BGLED10, LOW);
		digitalWrite(BGLED9, HIGH);
		delay(holdtime);
		digitalWrite(BGLED9, LOW);
		digitalWrite(BGLED8, HIGH);
		delay(holdtime);
		digitalWrite(BGLED8, LOW);
		digitalWrite(StatusLED, LOW);   
		digitalWrite(BGLED7, HIGH);
		delay(holdtime);
		digitalWrite(BGLED7, LOW);
		digitalWrite(BGLED6, HIGH);
		delay(holdtime);
		digitalWrite(BGLED6, LOW);
		digitalWrite(BGLED5, HIGH);
		delay(holdtime);
		digitalWrite(BGLED5, LOW);
		digitalWrite(BGLED4, HIGH);
		delay(holdtime);
		digitalWrite(BGLED4, LOW);
		digitalWrite(BGLED3, HIGH);
		delay(holdtime);
		digitalWrite(BGLED3, LOW);
		digitalWrite(BGLED2, HIGH);
		delay(holdtime);
		digitalWrite(BGLED2, LOW);
		digitalWrite(BGLED1, HIGH);
		delay(holdtime);
		digitalWrite(BGLED1, LOW);
}

void BarGraphWipeDown(){
		int holdtime = 20;
		digitalWrite(BGLED1, HIGH);
		delay(holdtime);
		digitalWrite(BGLED1, LOW);
		digitalWrite(BGLED2, HIGH);
		delay(holdtime);
		digitalWrite(BGLED2, LOW);
		digitalWrite(BGLED3, HIGH);
		delay(holdtime);
		digitalWrite(BGLED3, LOW);
		digitalWrite(BGLED4, HIGH);
		delay(holdtime);
		digitalWrite(BGLED4, LOW);
		digitalWrite(BGLED5, HIGH);
		delay(holdtime);
		digitalWrite(BGLED5, LOW);
		digitalWrite(BGLED6, HIGH);
		delay(holdtime);
		digitalWrite(BGLED6, LOW);
		digitalWrite(BGLED7, HIGH);
		delay(holdtime);
		digitalWrite(BGLED7, LOW);
		digitalWrite(BGLED8, HIGH);
		delay(holdtime);
		digitalWrite(BGLED8, LOW);
		digitalWrite(BGLED9, HIGH);
		delay(holdtime);
		digitalWrite(BGLED9, LOW);
		digitalWrite(BGLED10, HIGH);
		delay(holdtime);
		digitalWrite(BGLED10, LOW);
}

void BatteryLevel(){
	while (digitalRead(BatteryButton) == LOW){   //Loop for as long as the battery level button is depressed.
		FONAserial.println("AT+CBC");
		FONAserialReceive();
		delay(10);
		if (NewData == true){
			digitalWrite(StatusLED, HIGH);
			lhlf = (int)ReceivedChars[20] - 48;
			BarGraphSlow(lhlf);
			Serial.print(ReceivedChars);
			Serial.print(ReceivedChars[20]);
			Serial.println(ReceivedChars[21]);
			NewData = false;
			digitalWrite(StatusLED, LOW);
		}
	}
}

void SignalStrength(){
	while (digitalRead(SignalButton) == LOW){   //Loop for as long as the signal strength button is depressed.
		FONAserial.println("AT+CSQ");		//FONA returns signal strength from 0-31
		Serial.println("AT+CSQ");
		FONAserialReceive();
		delay(100);
		if (NewData == true){
			digitalWrite(StatusLED, HIGH);  
			lhlf = (int)ReceivedChars[18] - 48;
			//rhlf = (int)ReceivedChars[19] - 48;
			//fholder1 = (10*lhlf)+rhlf;
			SigLevel = lhlf;		//10*(fholder1/31);		//Signal strength is 0-31: 0 is < -113dBm and 31 is > -51dBm
			Serial.println(ReceivedChars);
			Serial.println(SigLevel);
			BarGraphSlow(SigLevel);
			//Serial.println(ReceivedChars[18]);
			//Serial.println(ReceivedChars[19]);
			NewData = false;
			digitalWrite(StatusLED, LOW);
		}
	}
}

void MakeCall631(){
	ToneReport();
	FONAserial.print("ATD631");
	Serial.print("ATD631");
	FONAserial.print(PNumber[0]);
	Serial.print(PNumber[0]);
	FONAserial.print(PNumber[1]);
	Serial.print(PNumber[1]);
	FONAserial.print(PNumber[2]);
	Serial.print(PNumber[2]);
	FONAserial.print(PNumber[3]);
	Serial.print(PNumber[3]);
	FONAserial.print(PNumber[4]);
	Serial.print(PNumber[4]);
	FONAserial.print(PNumber[5]);
	Serial.print(PNumber[5]);
	FONAserial.print(PNumber[6]);
	Serial.print(PNumber[6]);
	FONAserial.println(";");
	Serial.print(";");
	delay(10);
	FONAserialReceive();
	digitalWrite(StatusLED, HIGH);
	delay(500);
	digitalWrite(StatusLED, LOW);
	NewData = false;
	CallOn = true;
	ClearBufferSilent();
}

void MakeCall(){
	ToneReport();
	CallOn = true;
	FONAserial.print("ATD");
	Serial.print("ATD");
	FONAserial.print(PNumber[0]);
	Serial.print(PNumber[0]);
	FONAserial.print(PNumber[1]);
	Serial.print(PNumber[1]);
	FONAserial.print(PNumber[2]);
	Serial.print(PNumber[2]);
	FONAserial.print(PNumber[3]);
	Serial.print(PNumber[3]);
	FONAserial.print(PNumber[4]);
	Serial.print(PNumber[4]);
	FONAserial.print(PNumber[5]);
	Serial.print(PNumber[5]);
	FONAserial.print(PNumber[6]);
	Serial.print(PNumber[6]);
	FONAserial.print(PNumber[7]);
	Serial.print(PNumber[7]);
	FONAserial.print(PNumber[8]);
	Serial.print(PNumber[8]);
	FONAserial.print(PNumber[9]);
	Serial.print(PNumber[9]);
	FONAserial.println(";");
	Serial.println(";");
	delay(100);
	FONAserialReceive();
	digitalWrite(StatusLED, HIGH);
	delay(500);
	digitalWrite(StatusLED, LOW);
	NewData = false;
	CallOn = true;
	ClearBufferSilent();
}

void ToneReport(){
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[0]);
			BarGraphMed(PNumber[0]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[1]);
			BarGraphMed(PNumber[1]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[2]);
			BarGraphMed(PNumber[2]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[3]);
			BarGraphMed(PNumber[3]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[4]);
			BarGraphMed(PNumber[4]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[5]);
			BarGraphMed(PNumber[5]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[6]);
			BarGraphMed(PNumber[6]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[7]);
			BarGraphMed(PNumber[7]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[8]);
			BarGraphMed(PNumber[8]);
			FONAserial.print("AT+CPTONE=");	//Play DTMF tone over speaker
			FONAserial.println(PNumber[9]);
			BarGraphMed(PNumber[9]);	
}