/*************************************************************************
  KD8CEC's uBITX Idle time Processing
  Functions that run at times that do not affect TX, CW, and CAT
  It is called in 1/10 time unit.
-----------------------------------------------------------------------------
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.

**************************************************************************/
char line2Buffer[16];
//KD8CEC 200Hz ST
//L14.150 200Hz ST
//U14.150 +150khz
int freqScrollPosition = 0;
//Example Line2 Optinal Display
//immediate execution, not call by scheulder
void updateLine2Buffer(char isDirectCall)
{
  unsigned long tmpFreq = 0;
  if (isDirectCall == 0)
  {
    if (ritOn)
    {
      strcpy(line2Buffer, "RitTX:");
      /*
      line2Buffer[0] = 'R';
      line2Buffer[1] = 'i';
      line2Buffer[2] = 't';
      line2Buffer[3] = 'T';
      line2Buffer[4] = 'X';
      line2Buffer[5] = ':';
      */
  
      //display frequency
      tmpFreq = ritTxFrequency;
      for (int i = 15; i >= 6; i--) {
        if (tmpFreq > 0) {
          if (i == 12 || i == 8) line2Buffer[i] = '.';
          else {
            line2Buffer[i] = tmpFreq % 10 + 0x30;
            tmpFreq /= 10;
          }
        }
        else
          line2Buffer[i] = ' ';
      }
  
      return;
    } //end of ritOn display

    //======================================================
    //other VFO display
    //======================================================
    if (vfoActive == VFO_B)
    {
      tmpFreq = vfoA;
    }
    else 
    {
      tmpFreq = vfoB;
    }
  
    // EXAMPLE 1 & 2
    //U14.150.100
    //display frequency
    for (int i = 9; i >= 0; i--) {
      if (tmpFreq > 0) {
        if (i == 2 || i == 6) line2Buffer[i] = '.';
        else {
          line2Buffer[i] = tmpFreq % 10 + 0x30;
          tmpFreq /= 10;
        }
      }
      else
        line2Buffer[i] = ' ';
    }
  
    //EXAMPLE #1
    if ((displayOption1 & 0x04) == 0x00)  //none scroll display
      line2Buffer[6] = 'k';
    else
    {
      //example #2
      if (freqScrollPosition++ > 18)    //none scroll display time
      {
        line2Buffer[6] = 'k';
        if (freqScrollPosition > 25)
          freqScrollPosition = -1;
      }
      else                              //scroll frequency 
      {
        line2Buffer[10] = 'H';
        line2Buffer[11] = 'z';
    
        if (freqScrollPosition < 7)   
        {
          for (int i = 11; i >= 0; i--)
            if (i - (7 - freqScrollPosition) >= 0)
              line2Buffer[i] = line2Buffer[i - (7 - freqScrollPosition)];
            else
              line2Buffer[i] = ' ';
        }
        else
        {
          for (int i = 0; i < 11; i++)
            if (i + (freqScrollPosition - 7) <= 11)
              line2Buffer[i] = line2Buffer[i + (freqScrollPosition - 7)];
            else
              line2Buffer[i] = ' ';
        }
      }
    } //scroll
    
    line2Buffer[7] = ' ';
  } //check direct call by encoder
  
  if (isIFShift)
  {
    if (isDirectCall == 1)
      for (int i = 0; i < 16; i++)
        line2Buffer[i] = ' ';
      
      //IFShift Offset Value 
    line2Buffer[8] = 'I';
    line2Buffer[9] = 'F';

    //if (ifShiftValue == 0)
    //{
      /*
      line2Buffer[10] = 'S';
      line2Buffer[11] = ':';
      line2Buffer[12] = 'O';
      line2Buffer[13] = 'F';
      line2Buffer[14] = 'F';
      */
    //}
    //else
    //{
      line2Buffer[10] = ifShiftValue >= 0 ? '+' : 0;
      line2Buffer[11] = 0;
      line2Buffer[12] = ' ';
    
      //11, 12, 13, 14, 15
      memset(b, 0, sizeof(b));
      ltoa(ifShiftValue, b, DEC);
      strncat(line2Buffer, b, 5);
    //}
    
    if (isDirectCall == 1)  //if call by encoder (not scheduler), immediate print value
        printLine2(line2Buffer);    
  }       // end of display IF
  else    // step display
  {
    if (isDirectCall != 0)
      return;

    memset(&line2Buffer[8], ' ', 8);
    //Step
    long tmpStep = arTuneStep[tuneStepIndex -1];
    
    byte isStepKhz = 0;
    if (tmpStep >= 1000)
    {
      isStepKhz = 2;
    }
      
    for (int i = 10; i >= 8 - isStepKhz; i--) {
      if (tmpStep > 0) {
          line2Buffer[i + isStepKhz] = tmpStep % 10 + 0x30;
          tmpStep /= 10;
      }
      else
        line2Buffer[i +isStepKhz] = ' ';
    }
    //if (isStepKhz == 1)
    //  line2Buffer[10] = 'k';

    if (isStepKhz == 0)
    {
      line2Buffer[11] = 'H';
      line2Buffer[12] = 'z';
    }
  
    line2Buffer[13] = ' ';
    //if (
    //Check CW Key cwKeyType = 0; //0: straight, 1 : iambica, 2: iambicb
    if (cwKeyType == 0)
    {
      line2Buffer[14] = 'S';
      line2Buffer[15] = 'T';
    }
    else if (cwKeyType == 1)
    {
      line2Buffer[14] = 'I';
      line2Buffer[15] = 'A';
    }
    else
    {
      line2Buffer[14] = 'I';
      line2Buffer[15] = 'B';
    }    
  }
  
}

//meterType : 0 = S.Meter, 1 : P.Meter
void DisplayMeter(byte meterType, byte meterValue, char drawPosition)
{
  if (meterType == 0 || meterType == 1 || meterType == 2)
  {
    drawMeter(meterValue);  //call original source code
    int lineNumber = 0;
    if ((displayOption1 & 0x01) == 0x01)
      lineNumber = 1;
    
    lcd.setCursor(drawPosition, lineNumber);
  
    for (int i = 0; i < 6; i++) //meter 5 + +db 1 = 6
      lcd.write(lcdMeter[i]);
  }
}

byte testValue = 0;
char checkCount = 0;
void idle_process()
{
  //space for user graphic display
  if (menuOn == 0)
  {
    if ((displayOption1 & 0x10) == 0x10)    //always empty topline
      return;
      
    //if line2DisplayStatus == 0 <-- this condition is clear Line, you can display any message
    if (line2DisplayStatus == 0 || (((displayOption1 & 0x04) == 0x04) && line2DisplayStatus == 2)) {
      if (checkCount++ > 1)
      {
        updateLine2Buffer(0); //call by scheduler
        printLine2(line2Buffer);
        line2DisplayStatus = 2;
        checkCount = 0;
      }

      //EX for Meters
      /*
      DisplayMeter(0, testValue++, 7);
      if (testValue > 30)
        testValue = 0;
      */
    }
  }
}