/*
** Function: DigitDecoding (state)
**
** Description:
** called when current state is a DTMF being decoded and interrupt occurs
**
** Input Parameters:
** pState: pointer to channel state data structure
** eInput: interrupt that has occured
**
** Return:
**
*/
static void DigitDecoding (chanState *pState, ProslicInt eInput) {
//this is the state when user is pressing keys on phone (DTMF)
if (eInput == DTMF) {
processDTMF(pState);
}
else if (eInput == LOOP_STATUS) {
goOnHookState(pState);
}
else if (eInput>=PQ1 && eInput<=PQ6) {
powerAlarm(pState);
}
}
int pincodeProcessor() {
static char command[50]; //
static short cmd_index = 0; // the index in the string to put the next received character
static boolean dtmfProcessed = false;
// If a DTMF tone is being detected:
char detected = digitalRead(PIN_DTMF_DETECTED);//check if DTMF is being detected. digitalRead: read the value for the specified digital PIN
dtmfProcessed = (detected && dtmfProcessed);//dtmfProcess should be true if it is already true, and a DTMF tone still being detected
if (!dtmfProcessed & detected) {//If DTMF is being detected and it hasn't been processed yet
Serial.println("pincode inside !dtmfProcessed & detected");
dtmfProcessed = true;
char tone = 0;
//Read which tone was detected by shifting in bits from the DTMF chip
tone = shiftIn(PIN_DTMF_DATA, PIN_DTMF_ACK, LSBFIRST) & 0xF; //Keep only 4 lowest bits
if(processDTMF(tone + '0') == 0){
Serial.println("pincode inside processDTMF");
return 0;
//playHappyTone();
}else{
return 1;
//playSadTone();
}
//If there is data on the serial port connected to the GSM moduel
/* if(Serial2.available() >0){
incoming_char = Serial2.read();
Serial.print(incoming_char); //when one byte comes on the serial port from the GSM module, send to the PC
if (incoming_char == '\r'){ //When we get carriage return, we know the line is finished and we can see what we got
command[cmd_index] = '\0'; //terminate Command String
processCommand(command);
cmd_index = 0;//Start from the beginning
}else if(cmd_index < 49){
if(incoming_char != 10)//10 is the ascii code for line feed
command[cmd_index++] = incoming_char;
}*/
}
return 0;
}
/*
** Function: dialtone (state)
**
** Description:
** called when current state is dialtone and interrupt occurs
**
** Input Parameters:
** pState: pointer to channel state data structure
** eInput: interrupt that has occured
**
** Return:
**
*/
static void DialTone (chanState *pState, ProslicInt eInput) {
//this state is used when user picks up idle phone
if (eInput==DTMF) { //user is dialing
ProSLIC_ToneGenStop(pState->ProObj);
pState->currentState = DigitDecoding;
processDTMF(pState);
}
else if (eInput == LOOP_STATUS) {
ProSLIC_DialPulseDetect(pState->ProObj,&pDCfg,&(pState->pulseDialData));
goToPulseDialOnHkState (pState);
//goOnHookState(pState);
}
else if (eInput>=PQ1 && eInput<=PQ6) {
powerAlarm(pState);
}
}
