#include <Adafruit_FONA.h>
#include <Keypad.h>
#include <SoftwareSerial.h>
const byte ROWS = 4; //four rows
const byte COLS = 4; //four columns
char keys[ROWS][COLS] = {
{'1','2','3','A'},
{'4','5','6','B'},
{'7','8','9','C'},
{'*','0','#','D'}
};
byte rowPins[ROWS] = {50, 51, 48, 49}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {46, 47, 44, 45}; //connect to the column pinouts of the keypad
Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
#define FONA_RX 2
#define FONA_TX 10
#define FONA_RST 4
// this is a large buffer for replies
char replybuffer[255];
SoftwareSerial fonaSS = SoftwareSerial(FONA_TX, FONA_RX);
SoftwareSerial *fonaSerial = &fonaSS;
Adafruit_FONA fona = Adafruit_FONA(FONA_RST);
uint8_t readline(char *buff, uint8_t maxbuff, uint16_t timeout = 0);
uint8_t type;
String keypadString ;
char TelephoneNumberToCall[14];
int callStatus = 0;
int TempNumTwo = 0;
int beeps =0;
int freq = 500;
void setup(){
while (!Serial);
Serial.begin(115200);
Serial.println(F("FONA basic test"));
Serial.println(F("Initializing....(May take 3 seconds)"));
fonaSerial->begin(4800);
if (! fona.begin(*fonaSerial)) {
Serial.println(F("Couldn't find FONA"));
while (1);
}
}
void loop(){
Serial.print(F("FONA> "));
while (! Serial.available() ) {
if (fona.available()) {
Serial.write(fona.read());
}
}
char key = keypad.getKey();
if (key == 'A' || key =='B' || key =='C' ||key =='D'){
if(key == 'A'){
if (! fona.pickUp()) {
Serial.println(F("Failed"));
} else {
Serial.println(F("OK!"));
}}
if(key == 'C'){
Serial.println();
Serial.print(F("Calling ")); Serial.println(TelephoneNumberToCall);
if (!fona.callPhone(TelephoneNumberToCall)) {
Serial.print("CALL FAILED!");
} else {
Serial.print("CALL SENT!");
}
}
}
else {while (callStatus<1){
TypeAnumberIn(); // Get the telephone number from the keypad.
int TempNumOne=sizeof(keypadString);
for (int aa=0;aa<=TempNumTwo;aa++) // Builds the tel. number
{
TelephoneNumberToCall[aa]=keypadString[aa];
}
flushSerial();
}
}
}
void flushSerial() {
while (Serial.available())
Serial.read();
}
void CallStatus() { // get call status
delay (500);
int8_t callstat = fona.getCallStatus();
if ((callstat >2) && (callstat <4)){
beeps = 0;
freq = 0;
while(beeps < 5){
beeps++;
freq = freq + 100;
tone(7, freq, 50);
delay (50);
}
delay (2000);
}
}
void TypeAnumberIn(){
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// This is where the keypad strokes are turned into a FONA compatible character:
CallStatus(); // This tells us if someone is calling us etc.
char key = keypad.getKey();
if (key != NO_KEY)
{
// Converts char 'key' into string and adds it to 'keypadString'.
keypadString = keypadString + String (key);
tone(7, (key-30) * 50, 500); // plays a tone on keypad press
TempNumTwo = TempNumTwo + 1; // size of string
char TelephoneNumberToCall[14]; // Converts back to a character for Fona when 'select' button is pressed.
if (key){
Serial.println(key);
}
} }