DieselPunk_Cellphone_r1.ino

//*******************************************************************
//  NOTES:  V5
//  12/04/2016 thisoldgeek
//  - Makes and answers calls
//  - Flashlight
//  - Favorites added and working
//  - FM Favorites working(??) - check
//   Uses 27,666 bytes program memory
//        1419 bytes dynamic memory
//*******************************************************************

#include <Keypad.h>

#include <SoftwareSerial.h>
#include "Adafruit_FONA.h"
#include <Adafruit_NeoPixel.h>

#include "U8glib.h"

// DPC Feather Fona SPI Settings
U8GLIB_SSD1306_ADAFRUIT_128X64 u8g(5, 3, 11, 6, 10); // (SCLK/Clk, MOSI/Data, CS (SA0?), A0/DC, Rst)
// In order from High-to-Low pins: 11, 10, 6, 5, 3    CS, RST, DC, CLK, DATA

// Neopixel Jewel
#define PIN 2
// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 7
#define BRIGHTNESS 50
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRBW + NEO_KHZ800);

//------------------------------------------------------------------------------
// File generated by LCD Assistant
// http://en.radzio.dxp.pl/bitmap_converter/
//------------------------------------------------------------------------------

// W=80 H=64
#define DPC_Welcome_Dubba_Dubba_Font_r1_width 80
#define DPC_Welcome_Dubba_Dubba_Font_r1_height 64
const unsigned char Welcome_Splash_Screen[] PROGMEM = {
   0x00, 0x10, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
   0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x91, 0x47, 0xc0, 0xe0,
   0x83, 0xb0, 0x07, 0x00, 0x00, 0x10, 0x91, 0x47, 0xe0, 0xf8, 0x87, 0xb9,
   0x07, 0x00, 0x00, 0x10, 0x91, 0x40, 0x30, 0x1c, 0x8e, 0xbf, 0x01, 0x00,
   0x00, 0x10, 0x91, 0x40, 0x18, 0x0c, 0x9c, 0xbf, 0x01, 0x00, 0x00, 0x10,
   0x91, 0x40, 0x18, 0x0e, 0x98, 0xb6, 0x01, 0x00, 0x00, 0x10, 0x93, 0x40,
   0x18, 0x06, 0x98, 0xb6, 0x01, 0x00, 0x00, 0x30, 0x93, 0x40, 0x18, 0x06,
   0x90, 0xb6, 0x01, 0x00, 0x00, 0x30, 0x93, 0x40, 0x18, 0x06, 0x90, 0xb6,
   0x01, 0x00, 0x00, 0x70, 0x97, 0x4f, 0x18, 0x06, 0x98, 0xb6, 0x1f, 0x00,
   0x00, 0xe0, 0x9f, 0x4f, 0x38, 0x0c, 0x98, 0xb6, 0x1f, 0x00, 0x00, 0xe0,
   0x9f, 0x40, 0x30, 0x1c, 0x8c, 0xb6, 0x01, 0x00, 0x00, 0xc0, 0x9d, 0x40,
   0xe0, 0x38, 0x8f, 0xb6, 0x01, 0x00, 0x00, 0x80, 0x99, 0xc7, 0xc3, 0xf0,
   0x87, 0xb6, 0x07, 0x00, 0x00, 0x00, 0x80, 0xc3, 0x81, 0xc0, 0x81, 0xb4,
   0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x0f, 0x3f,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x8f, 0xff, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc3, 0xc1, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0xc3, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x63, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x63, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x00,
   0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x00, 0x01, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x63, 0x80, 0x01, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0xc3, 0x80, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0xc3, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x83, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x3e,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00,
   0x1f, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x00,
   0x00, 0x00, 0x00, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x73, 0x20, 0x07, 0x81,
   0x07, 0x63, 0x32, 0x78, 0x20, 0x3d, 0x63, 0x38, 0x1f, 0xe3, 0x0f, 0x63,
   0x33, 0xfc, 0xe1, 0x3d, 0x63, 0x3c, 0x19, 0xf3, 0x1c, 0x63, 0x32, 0xce,
   0xe3, 0x0d, 0x63, 0x3e, 0x31, 0x33, 0x30, 0x63, 0x32, 0x03, 0xe3, 0x0d,
   0x63, 0x26, 0x31, 0x1b, 0x60, 0x63, 0xb3, 0x03, 0xa6, 0x0d, 0x33, 0x22,
   0x61, 0x1b, 0x60, 0x73, 0xb3, 0x01, 0xa6, 0x0d, 0x3b, 0x22, 0x61, 0x1b,
   0x60, 0x33, 0xb3, 0x01, 0xa4, 0x0d, 0x1f, 0x23, 0x31, 0x1b, 0x60, 0x1f,
   0xb3, 0x01, 0xa4, 0x0d, 0x1f, 0x3f, 0x31, 0x1b, 0x60, 0x1f, 0xbf, 0x01,
   0xa6, 0xfd, 0x3f, 0x3f, 0x31, 0x1b, 0x60, 0x07, 0xbf, 0x03, 0xa6, 0xfd,
   0x33, 0x33, 0x19, 0x33, 0x30, 0x03, 0x37, 0x03, 0xa3, 0x1d, 0x33, 0x23,
   0x0f, 0xf3, 0x3c, 0x03, 0x33, 0x8e, 0xa3, 0x0d, 0x33, 0x23, 0x07, 0xe3,
   0x1f, 0x03, 0x33, 0xfc, 0xa1, 0x3d, 0x33, 0x23, 0x01, 0x81, 0x07, 0x03,
   0x32, 0x78, 0xa0, 0x3d };


#include "Adafruit_FONA.h"

#define FONA_RX  9
#define FONA_TX  8
#define FONA_RST 4
#define FONA_RI  7

const byte ROWS = 4; //four rows
const byte COLS = 3; //three columns
char keys[ROWS][COLS] = {
  {'1','2','3'},
  {'4','5','6'},
  {'7','8','9'},
  {'*','0','#'}
};

byte rowPins[ROWS] = {A3, A2, A1, A0}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {0, A5, A4}; //connect to the column pinouts of the keypad

Keypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );



SoftwareSerial fonaSS = SoftwareSerial(FONA_TX, FONA_RX);
Adafruit_FONA fona = Adafruit_FONA(FONA_RST);

// this is a large buffer for replies
char replybuffer[255];

// Use this one for FONA 3G
//Adafruit_FONA_3G fona = Adafruit_FONA_3G(FONA_RST);

uint8_t readline(char *buff, uint8_t maxbuff, uint16_t timeout = 0);

uint8_t type;

unsigned long lastDisplay = millis();

boolean flashlight_on = false;
int hue = 0;   // 0 = warm white, 255 = red

String dispTime;
String dispDate;
String callStatus;  //Shows Number entered and called

// variables for display
int8_t i_8;
int8_t dbi;  // RSSI level
int16_t i_16;
int16_t vbat;  // battery level

// Store your favorite phone numbers here 
char favorites[][20]={"9255551212","9255551212","7075551212","9255551212","18003222702"};
// don't forget to change the names in the display routine for favs!

// Store your favorite FM station frequencies here
// no decomals, eg.: 103.7 is stored as 1037
int fm_station[5] = { 965, 921, 899, 1037 };

void setup() {
  // clear the screen
  // left from last "on"
    u8g.firstPage();  
  do {
  } while( u8g.nextPage() );
    delay(1000);
 
  Serial.begin(115200);
  
 u8g.firstPage();  
  do {
    splash();
  } while( u8g.nextPage() );
 delay(4000);
  
  
  u8g.firstPage();  
  do {
    msgConnect();
  } while( u8g.nextPage() );
  
   delay(2000);
  // Check FONA is there
  fonaSS.begin(9600); // if you're using software serial
 
  // See if the FONA is responding
  if (! fona.begin(fonaSS)) {
    Serial.println(F("Couldn't find FONA :("));
    
    while (1);
  }
  
 // Check we can connect to the network
  while (fona.getNetworkStatus() != 1) {
    u8g.firstPage();  
  do {
    msgNetService();
  } while( u8g.nextPage() );
   
  }
  
    u8g.firstPage();  
  do {
    msgNetConnect();
  } while( u8g.nextPage() );
    delay(2000);
 
  // set to external mic & headphone
  fona.setAudio(FONA_EXTAUDIO);

  // Print module IMEI number.
  char imei[15] = {0}; // MUST use a 16 character buffer for IMEI!
  uint8_t imeiLen = fona.getIMEI(imei);
  if (imeiLen > 0) {
    Serial.print(F("Module IMEI: ")); 
    Serial.println(imei);
  }

   pixels.begin(); // This initializes the NeoPixel library.
   pixelsStartup();  // Sets NeoPixels to their default 

}

void pixelsStartup()
{
   pixelShow(4,BRIGHTNESS );
   pixelShow(0, BRIGHTNESS);
   pixelShow(1, BRIGHTNESS);
   
}

void pixelShow(int i, int j)
{
// pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(hue, 0, 0, j)); // WARM white COLOR

    pixels.show(); // This sends the updated pixel color to the hardware.

    //delay(50); // Delay for a period of time (in milliseconds).
  
}

void flashlight()
{
  
if (flashlight_on)
{ for(int i=0;i<NUMPIXELS;i++)
  {pixelShow(i, 255);}
} 
else {
  for(int i=0;i<NUMPIXELS;i++)
  {pixelShow(i, 0);}
  pixelsStartup();}

}

void answerPhone()
{
  if (! fona.pickUp()) {
     Serial.println(F("Failed"));
  }
}  



void msgConnect()
{
  u8g.setFont(u8g_font_lucasfont_alternater);
  u8g.drawStr(30, 32,"Connecting...");
}

void msgNetService()
{
  u8g.setFont(u8g_font_lucasfont_alternater);
  u8g.drawStr(20, 32,"Looking for Service");
}

void msgNetConnect()
{
   u8g.setFont(u8g_font_lucasfont_alternater);
  u8g.drawStr(10, 32,"Connected to Network!");
}

void splash() {
  u8g.drawXBMP( 24, 0, 80, 64, Welcome_Splash_Screen);
}

int8_t getRSSI (int8_t i)
{
  uint8_t n = fona.getRSSI();
        int8_t r;
        
        if (n == 0) r = -115;
        if (n == 1) r = -111;
        if (n == 31) r = -52;
        if ((n >= 2) && (n <= 30)) {
          r = map(n, 2, 30, -110, -54);
        }
        
        return(r);
}

uint16_t getBattery(uint16_t i) {
    uint16_t vbat; 
    if (! fona.getBattPercent(&vbat)) 
       {
        } else 
        
        {
          return(vbat);
        }
    
}

void cellDate()
{
 char buffer[23];
 fona.getTime(buffer, 23);  // make sure replybuffer is at least 23 bytes!
 
 String Str1 = buffer;
 dispDate = Str1.substring(4,9);
 dispDate.concat("/");
 dispDate.concat(Str1.substring(1,3));

}


void cellTime()
{ // Changes 24-hour time to 12-hour format
  char buffer[23];
  
  
 fona.getTime(buffer, 23);  // make sure replybuffer is at least 23 bytes!
 String Str1 = buffer;
 
 String Str2;  // stores reformated hours:minutes for display

// the following is for 12-hour time
// and to add leading zero when minutes < 10

int rptHour = (Str1.substring(10,12).toInt());
int rptMinutes = (Str1.substring(13,15).toInt());
int i = rptHour;

if ( rptHour > 12 )         // convert to 12-hour format
  { rptHour = rptHour-12; }

Str2.concat(rptHour);
Str2.concat(":");
if (rptMinutes < 10)
 { Str2.concat(0);}
 Str2.concat(rptMinutes);
if ( i >= 12 )
  { Str2.concat(" PM");}
 else
  { Str2.concat(" AM");}

dispTime = Str2;

}

void callEntry()
{char phoneNumber[20]= " ";
 char key = keypad.getKey();
 int i = 0;
 callStatus = " Number, Please!";
 //Display the page!
 u8g.firstPage();  
 do { 
        callEntryDisplay(phoneNumber); 
      } while( u8g.nextPage() );
      
while ((key != '*') and (key != '#'))
   {
    key = keypad.getKey();
   
    if (key)
    {
      phoneNumber[i] = key;
      i++;
      u8g.firstPage();  
      do {
    
        callEntryDisplay(phoneNumber); 
      } while( u8g.nextPage() );
    }
    
   }
// remove "*" from string
int length = strlen(phoneNumber);
phoneNumber[length-1] = '\0';   

if (key == '#')
{ return;}

if (key == '*')
{ 
  callStatus = " Call in Progress";

  u8g.firstPage();  
      do {
    
        callEntryDisplay(phoneNumber); 
      } while( u8g.nextPage() ); 
      
  makeCall(phoneNumber);}
}

void makeCall(char phoneNumber[20])
{ 
  char key = keypad.getKey();
  if (!fona.callPhone(phoneNumber)) 
        {
          callStatus = " Call Failed!";
        }
  while (key != '#')
   {
    key = keypad.getKey();
   
    if (key)
     {
      
      u8g.firstPage();  
      do 
      {
        callEntryDisplay(phoneNumber); 
      } while( u8g.nextPage() );
     }
     int callstatus = fona.getCallStatus();
     if (callstatus == 2)   // phone is currently ringing
     {
      // use ringing tone AT+STONE 8
     }
   }
    if (! fona.hangUp()) 
       {
          Serial.println(F("Failed"));
        }
   
}

void callEntryDisplay(char inNumber[20])
{ 
  u8g.setFont(u8g_font_lucasfont_alternater);
  u8g.setPrintPos(20,16);
  u8g.print(callStatus);
  u8g.setPrintPos(30,32);
  u8g.print(inNumber);
  u8g.setPrintPos(1,56);
  u8g.print(F("*=DIAL"));
  u8g.setPrintPos(88,56);
  u8g.print(F("#=HUP"));
}

void favsEntryDisplay()
{ 
  u8g.setFont(u8g_font_lucasfont_alternater);
  u8g.setPrintPos(20,8);
  u8g.print(F("Favorite Numbers:"));
  u8g.setPrintPos(30, 20);
  u8g.print(F(" 1 - Bob"));
  u8g.setPrintPos(30, 30);
  u8g.print(F(" 2 - Janet"));
  u8g.setPrintPos(30, 40);
  u8g.print(F(" 3 - John"));
  u8g.setPrintPos(30, 50);
  u8g.print(F(" 4 - Claudette"));
  u8g.setPrintPos(30, 60);
  u8g.print(F(" 5 - Work"));
  u8g.setPrintPos(88,64);
  u8g.print(F("#=HUP"));
}

void favsFMEntryDisplay()
{ 
  u8g.setFont(u8g_font_lucasfont_alternater);
  u8g.setPrintPos(20,8);
  u8g.print("Favorite Stations:");
  u8g.setPrintPos(30, 20);
  u8g.print(F("1 - 96.5/KOIT "));
  u8g.setPrintPos(30, 30);
  u8g.print(F("2 - 92.1/KKVD"));
  u8g.setPrintPos(30, 40);
  u8g.print(("3 - 89.9/KDFC"));
  u8g.setPrintPos(30, 50);
  u8g.print(F("4 - 103.7/KOSF"));
  u8g.setPrintPos(88,64);
  u8g.print(F("#=BACK"));
}

void dispFM(int station)
{
 u8g.setFont(u8g_font_lucasfont_alternater);
  u8g.setPrintPos(30,8);
  u8g.print(F("Now Playing:"));
  u8g.setPrintPos(48, 24);
  u8g.print(station);
  u8g.setPrintPos(88,64);
  u8g.print("#=OFF");
}

void onFM(int freq)
{ char key = keypad.getKey();
  uint16_t station = freq;
  // FM radio ON using external audio
  if (fona.FMradio(true, FONA_EXTAUDIO)) {     
        }
   if (! fona.tuneFMradio(station)) 
      {    } else 
      {    }
 
  // Set FM volume.   
        uint8_t vol = 4;
        if (!fona.setFMVolume(vol)) {  
        } else {    }

  while (key != '#')
   {
    key = keypad.getKey();
   }
   
  if (! fona.FMradio(false)) 
     {     } 
     else 
     {     }
   
}

void callFMfavs()
{

 char key = keypad.getKey();
 int i = 0;
 int ikey;
 //Display the page!
 u8g.firstPage();  
 do { 
        favsFMEntryDisplay(); 
      } while( u8g.nextPage() );
      
while (key != '#')
   {
   
     key = keypad.getKey(); 
     
    if (key) 
      if ((key != '*') and (key != '#'))
    { // convert a single character to int
      ikey = key - '0';
      
    switch (ikey) {
    case 1 ... 4:  // choice of 4 FM stations only
      // turn on FM and tune the stations
       u8g.firstPage();  
      do { 
            dispFM(fm_station[ikey-1]); 
         } while( u8g.nextPage() );
           
      onFM(fm_station[ikey-1]);      // will stay in this routine until '#' 
      return;                        // then, returns to main menu display
    default: 
      // if nothing else matches, do the default
      // default is optional
      break;
       }
    } 
    
   }  


if (key == '#')
{ return;}

}


void callFavorites()
{
 char phoneNumber[20] = " ";
 char key = keypad.getKey();
 int i = 0;
 //Display the page!
 u8g.firstPage();  
 do { 
        favsEntryDisplay(); 
      } while( u8g.nextPage() );
      
while ((key != '*') and (key != '#'))
   {
    key = keypad.getKey();
   
    if (key)
      if ((key != '*') and (key != '#'))
    { // convert a single character to int
      int ikey = key - '0';
     strcpy(phoneNumber, favorites[ikey-1]);
      u8g.firstPage();  
      do {
    
        callEntryDisplay(phoneNumber); 
      } while( u8g.nextPage() );
     }
   }  
   
// remove "*" from string
int length = sizeof(phoneNumber);
phoneNumber[length-1] = '\0';   

if (key == '#')
{ return;}

if (key == '*')
{ callStatus = " Calling ";

  u8g.firstPage();  
      do {
    
        callEntryDisplay(phoneNumber); 
      } while( u8g.nextPage() ); 
      
  makeCall(phoneNumber);}
}


void keyPress()
{
  char key = keypad.getKey();
  
  // NeoPixel Flashlight
  if (key == '*')
  { flashlight_on = !flashlight_on;
    flashlight(); 
    return;
    }

    // Answer an incoming call
  if (key == '#')
  { answerPhone();
    
    return;
    }


// convert a single character to int
  int ikey = key - '0';
  
  switch (ikey) {
    case 1:
      callEntry();
      break;
    case 2:
      callFavorites();
      break;
    case 3:
      callFMfavs();
      break;  
    default: 
      // if nothing else matches, do the default
      // default is optional
    break;
  }
  
}

void dispMenu(int8_t dbi, uint16_t vbat)
{   // set font 
    u8g.setFont(u8g_font_lucasfont_alternater);
    
    // draw turnstile antenna (4 lines)
    u8g.drawLine(0, 0, 7, 7);      
    u8g.drawLine(7, 7, 14, 0);
    u8g.drawLine(7, 0, 7, 13 );
    u8g.drawLine(1, 0, 13, 0);
    
     // draw battery outline (2 lines)
    u8g.drawFrame(105,2,20,11); // outside of battery
    u8g.drawBox(126,5,2,4);     // positive battery end

    // draw RSSI level
    u8g.setPrintPos(0,24);
    u8g.print(dbi);
    u8g.print("dBi");

    // draw variable battery level and per cent battery remaining
    u8g.drawBox(107,4,(16 * (vbat *.01)),7);     
    u8g.setPrintPos(105,24);
    u8g.print(vbat);
    u8g.print("%");

    // draw text menu
    u8g.drawStr(48, 32,"1-DIAL");
    u8g.drawStr(48, 48,"2-FAVS");
    u8g.drawStr(48, 64,"3-FM");
    //u8g.drawStr(72, 58,"*-LED");

    // Utility functions
    u8g.drawStr(0, 64,"*-LED");  // flashlight
    u8g.drawStr(96, 64,"#-ANS");  // answer call

    // display the date
    u8g.setPrintPos(40, 7);
    u8g.print(dispDate);

    // display the time
    u8g.setPrintPos(48, 18);
    u8g.print(dispTime);

    
}

void loop() 
{  
   

   // don't hog the processor!
   if (millis() - lastDisplay > 10000)
   {
   dbi = getRSSI(i_8);
   vbat = getBattery(i_16);
   cellDate();
   cellTime();
   lastDisplay = millis();
   }
   
   u8g.firstPage();  
  do {
    dispMenu(dbi, vbat);
    keyPress(); 
  } while( u8g.nextPage() );

    
   
}