Tune.cpp

#ifndef BEENHERE
#include "SDT.h"
#endif

#ifdef V12
#ifndef BEENHERE
#include "SDT.h"
#endif

// Fix for ResetTuning().  KF5N August 5, 2023
//AFP 09-24-23 V12
/*****
  Purpose: Select PLL Multiplier

  Parameter list:
    void

  Return value;
    void

*****/
int EvenDivisor(long freq2) {
  //freq2=freq2/100;
 // Serial.print("freq2= ");
  //Serial.println(freq2);
  if (freq2 < 6850000)
    multiple = 126;

  if ((freq2 >= 6850000) && (freq2 < 9500000))
    multiple = 88;

  if ((freq2 >= 9500000) && (freq2 < 13600000))
    multiple = 64;

  if ((freq2 >= 13600000) && (freq2 < 17500000))
    multiple = 44;

  if ((freq2 >= 17500000) && (freq2 < 25000000))
    multiple = 34;

  if ((freq2 >= 25000000) && (freq2 < 36000000))
    multiple = 24;

  if ((freq2 >= 36000000) && (freq2 < 45000000))
    multiple = 18;

  if ((freq2 >= 45000000) && (freq2 < 60000000))
    multiple = 14;

  if ((freq2 >= 60000000) && (freq2 < 80000000))
    multiple = 10;

  if ((freq2 >= 80000000) && (freq2 < 100000000))
    multiple = 8;

  if ((freq2 >= 100000000) && (freq2 < 146600000))
    multiple = 6;

  if ((freq2 >= 150000000) && (freq2 < 220000000))
    multiple = 4;
  return multiple;
}

/*
void SendFrequency()//AFP 09-24-23 V12
{

Clk0SetFreq = ((centerFreq * SI5351_FREQ_MULT) + IFFreq * SI5351_FREQ_MULT) * MASTER_CLK_MULT;
  Clk1SetFreq = ((centerFreq * SI5351_FREQ_MULT) + IFFreq * SI5351_FREQ_MULT) * MASTER_CLK_MULT;  //v12
  Clk2SetFreq = ((centerFreq * SI5351_FREQ_MULT) + IFFreq * SI5351_FREQ_MULT) * MASTER_CLK_MULT;  //v12
  long freq1=Clk0SetFreq;
  si5351.set_freq_manual(freq1 * SI5351_FREQ_MULT, Even_Divisor * freq1 * SI5351_FREQ_MULT, SI5351_CLK0);
  si5351.set_freq_manual(freq1 * SI5351_FREQ_MULT, Even_Divisor * freq1 * SI5351_FREQ_MULT, SI5351_CLK1);
  si5351.set_phase(SI5351_CLK0, 0);
  si5351.set_phase(SI5351_CLK1, Even_Divisor);
  if (Even_Divisor != oldEven_Divisor)
  {
    si5351.pll_reset(SI5351_PLLA);
    oldEven_Divisor = Even_Divisor;
  }
}
*/

/*****
  Purpose: A special variant of SetFreq() used only for calibration.

  Parameter list:
    void

  Return value;
    void

  CAUTION: SI5351_FREQ_MULT is set in the si5253.h header file and is 100UL
*****/
void SetFreqCal(void) {  // July 7 2023 KF5N
}

/***** //AFP 10-11-22 all new
  Purpose:  Reset tuning to center

  Parameter list:
  void

  Return value;
  void
*****/
void ResetTuning() {

  //centerFreq = TxRxFreq;

  currentFreq = centerFreq + NCOFreq;  // Changed currentFreqA to currentFreq.  KF5N August 5, 2023
  NCOFreq = 0L;
  centerFreq = TxRxFreq = currentFreq;  // Changed currentFreqA to currentFreq.  KF5N August 5, 2023
  tft.writeTo(L2);                      // Clear layer 2.  KF5N July 31, 2023
  tft.clearMemory();
  SetFreq();  // For new tuning scheme.  KF5N July 22, 2023
  DrawBandWidthIndicatorBar();
  BandInformation();
  ShowFrequency();
  //centerTuneFlag = 1;  Not necessary with new tuning scheme.  KF5N July 22, 2023
}
// ===== End AFP 10-11-22

/*****
  Purpose: SetFrequency

  Parameter list:
    void

  Return value;
    void

  CAUTION: SI5351_FREQ_MULT is set in the si5253.h header file and is 100UL
*****/

void SetFreq() {  //AFP 09-24-23 V12
#ifdef G0ORX_FRONTPANEL
  __disable_irq();
#endif
 //  The receive LO frequency is not dependent on mode or sideband.  CW frequency shift is done in DSP code.
  if (radioState == SSB_RECEIVE_STATE || radioState == CW_RECEIVE_STATE) {  //  Receive state
    Clk1SetFreq = ((TxRxFreq * SI5351_FREQ_MULT) + IFFreq * SI5351_FREQ_MULT);
    multiple = EvenDivisor(Clk1SetFreq / SI5351_FREQ_MULT);

    pll_freq = Clk1SetFreq * multiple;
    freq = pll_freq / multiple;
    si5351.output_enable(SI5351_CLK0, 1);
    si5351.output_enable(SI5351_CLK1, 1);
    si5351.output_enable(SI5351_CLK2, 0);
    si5351.set_freq_manual(freq, pll_freq, SI5351_CLK0);
    si5351.set_freq_manual(freq, pll_freq, SI5351_CLK1);

    si5351.set_phase(SI5351_CLK0, 0);
    si5351.set_phase(SI5351_CLK1, multiple);
    if (multiple != oldMultiple) {
      si5351.pll_reset(SI5351_PLLA);
      si5351.pll_reset(SI5351_PLLB);
#ifndef G0ORX_CAT
      Serial.println("Reset");
#endif
    }
    oldMultiple = multiple;

  } else {
    if (radioState == SSB_TRANSMIT_STATE) {  // SSB Transmit state: No IF shift
      Clk1SetFreq = ((TxRxFreq * SI5351_FREQ_MULT));
    multiple = EvenDivisor(Clk1SetFreq / SI5351_FREQ_MULT);

    pll_freq = Clk1SetFreq * multiple;
    freq = pll_freq / multiple;
      si5351.output_enable(SI5351_CLK0, 1);
      si5351.output_enable(SI5351_CLK1, 1);
      si5351.output_enable(SI5351_CLK2, 0);
      si5351.set_freq_manual(Clk1SetFreq, pll_freq, SI5351_CLK0);
      si5351.set_freq_manual(Clk1SetFreq, pll_freq, SI5351_CLK1);

      si5351.set_phase(SI5351_CLK0, 0);
      si5351.set_phase(SI5351_CLK1, multiple);
      if (multiple != oldMultiple) {
        si5351.pll_reset(SI5351_PLLA);
        si5351.pll_reset(SI5351_PLLB);
        Serial.println("Reset");
      }
      oldMultiple = multiple;
    }
  }
#ifdef G0ORX_FRONTPANEL
  __enable_irq();
#endif

  //si5351.output_enable(SI5351_CLK2, 0);
/*
#ifndef G0ORX_CAT
  Serial.print("centerFreq=");
  Serial.println(centerFreq);
  Serial.print("Clk1SetFreq=");
  Serial.println(Clk1SetFreq);
  Serial.print("freq=");
  Serial.println(freq);
  Serial.print("pll_freq=");
  Serial.println(pll_freq);
  Serial.print("multiple=");
  Serial.println(multiple);
#endif
*/
  DrawFrequencyBarValue();

}

/*****
  Purpose: Places the Fast Tune cursor in the center of the spectrum display

  Parameter list:

  Return value;
    void
*****/
void CenterFastTune() {
  tft.drawFastVLine(oldCursorPosition, SPECTRUM_TOP_Y + 20, SPECTRUM_HEIGHT - 27, RA8875_BLACK);
  tft.drawFastVLine(newCursorPosition, SPECTRUM_TOP_Y + 20, SPECTRUM_HEIGHT - 27, RA8875_RED);
}

/*****
  Purpose: Purpose is to sety VFOa to receive frequency and VFOb to the transmit frequency

  Parameter list:
    void

  Return value;
    int           the offset as an int

  CAUTION: SI5351_FREQ_MULT is set in the si5253.h header file and is 100UL
*****/
int DoSplitVFO() {
  char freqBuffer[15];
  int val;
  long chunk = SPLIT_INCREMENT;
  long splitOffset;

  tft.drawRect(INFORMATION_WINDOW_X - 10, INFORMATION_WINDOW_Y - 2, 260, 200, RA8875_MAGENTA);
  tft.fillRect(INFORMATION_WINDOW_X - 8, INFORMATION_WINDOW_Y, 250, 185, RA8875_BLACK);  // Clear volume field
  tft.setFontScale((enum RA8875tsize)1);
  tft.setCursor(INFORMATION_WINDOW_X + 10, INFORMATION_WINDOW_Y + 5);
  tft.print("xmit offset: ");

  splitOffset = chunk;  // Set starting offset to 500Hz
  tft.setTextColor(RA8875_GREEN);
  tft.setCursor(INFORMATION_WINDOW_X + 60, INFORMATION_WINDOW_Y + 90);
  tft.print(splitOffset);
  tft.print("Hz  ");

  while (true) {
    if (filterEncoderMove != 0) {  // Changed encoder?
      splitOffset += filterEncoderMove * chunk;
      tft.fillRect(INFORMATION_WINDOW_X + 60, INFORMATION_WINDOW_Y + 90, 150, 50, RA8875_BLACK);
      tft.setCursor(INFORMATION_WINDOW_X + 60, INFORMATION_WINDOW_Y + 90);
      tft.print(splitOffset);
      tft.print("Hz  ");
    }
    filterEncoderMove = 0L;

    val = ReadSelectedPushButton();  // Read pin that controls all switches
    val = ProcessButtonPress(val);
    MyDelay(150L);
    if (val == MENU_OPTION_SELECT) {  // Make a choice??
      Clk1SetFreq += splitOffset;     // New transmit frequency // AFP 09-27-22
      UpdateInfoWindow();
      filterEncoderMove = 0L;
      break;
    }
  }
  currentFreqB = currentFreqA + splitOffset;
  FormatFrequency(currentFreqB, freqBuffer);
  tft.fillRect(FREQUENCY_X_SPLIT, FREQUENCY_Y - 12, VFOB_PIXEL_LENGTH, FREQUENCY_PIXEL_HI, RA8875_BLACK);
  tft.setCursor(FREQUENCY_X_SPLIT, FREQUENCY_Y);
  tft.setFont(&FreeMonoBold24pt7b);
  tft.setTextColor(RA8875_GREEN);
  tft.print(freqBuffer);  // Show VFO_A

  tft.setFont(&FreeMonoBold18pt7b);
  FormatFrequency(currentFreqA, freqBuffer);
  tft.setTextColor(RA8875_LIGHT_GREY);
  tft.setCursor(FREQUENCY_X, FREQUENCY_Y + 6);
  tft.print(freqBuffer);  // Show VFO_A

  tft.useLayers(1);  //mainly used to turn on layers!
  tft.layerEffect(OR);
  tft.writeTo(L2);
  tft.clearMemory();
  tft.writeTo(L1);

  tft.setFont(&FreeMono9pt7b);
  tft.setTextColor(RA8875_RED);
  tft.setCursor(FILTER_PARAMETERS_X + 180, FILTER_PARAMETERS_Y + 6);
  tft.print("Split Active");

  tft.setFontDefault();
  return (int)splitOffset;  // Can be +/-
}
#else
/*****
  Purpose: A special variant of SetFreq() used only for calibration.

  Parameter list:
    void

  Return value;
    void

  CAUTION: SI5351_FREQ_MULT is set in the si5253.h header file and is 100UL
*****/
void SetFreqCal(void) 
{  // July 7 2023 KF5N
  // NEVER USE AUDIONOINTERRUPTS HERE: that introduces annoying clicking noise with every frequency change
  // SI5351_FREQ_MULT is 100ULL, MASTER_CLK_MULT is 4;

  // The SSB LO frequency is always the same as the displayed transmit frequency.
  // The CW LOT frequency must be shifted by 750 Hz due to the way the CW carrier is generated by a quadrature tone.
  if (bands[currentBand].mode == DEMOD_LSB)
    Clk1SetFreq = (((TxRxFreq + CWFreqShift + calFreqShift) * SI5351_FREQ_MULT)) * MASTER_CLK_MULT;  // AFP 09-27-22;  KF5N flip CWFreqShift, sign originally minus
  if (bands[currentBand].mode == DEMOD_USB)
    Clk1SetFreq = (((TxRxFreq - CWFreqShift - calFreqShift) * SI5351_FREQ_MULT)) * MASTER_CLK_MULT;  // AFP 10-01-22; KF5N flip CWFreqShift, sign originally plus

  //  The receive LO frequency is not dependent on mode or sideband.  CW frequency shift is done in DSP code.
  Clk2SetFreq = ((centerFreq * SI5351_FREQ_MULT) + IFFreq * SI5351_FREQ_MULT) * MASTER_CLK_MULT;

  //  Set and enable both RX and TX local oscillator outputs.
  si5351.set_freq(Clk2SetFreq, SI5351_CLK2);
  si5351.set_freq(Clk1SetFreq, SI5351_CLK1);
  si5351.output_enable(SI5351_CLK2, 1);
  si5351.output_enable(SI5351_CLK1, 1);

}

/***** //AFP 10-11-22 all new
  Purpose:  Reset tuning to center

  Parameter list:
  void

  Return value;
  void
*****/
void ResetTuning()
{
  currentFreq = centerFreq + NCOFreq;  // currentFreqA changed to currentFreq.  KF5N August 7, 2023
  NCOFreq = 0L;
  centerFreq = TxRxFreq = currentFreq ;  //AFP 10-28-22  // currentFreqA changed to currentFreq.  KF5N August 7, 2023
  tft.writeTo(L2);  // Clear layer 2.  KF5N July 31, 2023
  tft.clearMemory();
  SetFreq();  // For new tuning scheme.  KF5N July 22, 2023
  DrawBandWidthIndicatorBar();
  BandInformation();
  ShowFrequency();
  //centerTuneFlag = 1;  Not necessary with new tuning scheme.  KF5N July 22, 2023
}
// ===== End AFP 10-11-22

/*****
  Purpose: SetFrequency

  Parameter list:
    void

  Return value;
    void

  CAUTION: SI5351_FREQ_MULT is set in the si5253.h header file and is 100UL
*****/
void SetFreq() {  //AFP 09-22-22   Revised July 7 KF5N

  // NEVER USE AUDIONOINTERRUPTS HERE: that introduces annoying clicking noise with every frequency change
  // SI5351_FREQ_MULT is 100ULL, MASTER_CLK_MULT is 4;

  // The SSB LO frequency is always the same as the displayed transmit frequency.
  // The CW LOT frequency must be shifted by 750 Hz due to the way the CW carrier is generated by a quadrature tone.
  if (radioState == SSB_TRANSMIT_STATE) {
    Clk1SetFreq = (TxRxFreq * SI5351_FREQ_MULT) * MASTER_CLK_MULT;  // AFP 09-27-22
  } else if (radioState == CW_TRANSMIT_STRAIGHT_STATE || radioState == CW_TRANSMIT_KEYER_STATE) {
    if (bands[currentBand].mode == DEMOD_LSB) {
      Clk1SetFreq = (((TxRxFreq + CWFreqShift + calFreqShift) * SI5351_FREQ_MULT)) * MASTER_CLK_MULT;  // AFP 09-27-22;  KF5N flip CWFreqShift, sign originally minus
    } else {
      if (bands[currentBand].mode == DEMOD_USB) {
        Clk1SetFreq = (((TxRxFreq - CWFreqShift - calFreqShift) * SI5351_FREQ_MULT)) * MASTER_CLK_MULT;  // AFP 10-01-22; KF5N flip CWFreqShift, sign originally plus
      }
    }
  }

  //  The receive LO frequency is not dependent on mode or sideband.  CW frequency shift is done in DSP code.
  Clk2SetFreq = ((centerFreq * SI5351_FREQ_MULT) + IFFreq * SI5351_FREQ_MULT) * MASTER_CLK_MULT;

  if (radioState == SSB_RECEIVE_STATE || radioState == CW_RECEIVE_STATE) {   //  Receive state
    si5351.set_freq(Clk2SetFreq, SI5351_CLK2);
    si5351.output_enable(SI5351_CLK1, 0);  // CLK1 (transmit) off during receive to prevent birdies
    si5351.output_enable(SI5351_CLK2, 1);
  }

  if (radioState == SSB_TRANSMIT_STATE || radioState == CW_TRANSMIT_STRAIGHT_STATE || radioState == CW_TRANSMIT_KEYER_STATE) {  // Transmit state
    si5351.set_freq(Clk1SetFreq, SI5351_CLK1);
    si5351.output_enable(SI5351_CLK2, 0);  // CLK2 (receive) off during transmit to prevent spurious outputs
    si5351.output_enable(SI5351_CLK1, 1);
  }
  //=====================  AFP 10-03-22 =================
  DrawFrequencyBarValue();
}


/*****
  Purpose: Places the Fast Tune cursor in the center of the spectrum display

  Parameter list:

  Return value;
    void
*****/
void CenterFastTune()
{
  tft.drawFastVLine(oldCursorPosition, SPECTRUM_TOP_Y + 20, SPECTRUM_HEIGHT - 27, RA8875_BLACK);
  tft.drawFastVLine(newCursorPosition , SPECTRUM_TOP_Y + 20, SPECTRUM_HEIGHT - 27, RA8875_RED);
}

/*****
  Purpose: Purpose is to sety VFOa to receive frequency and VFOb to the transmit frequency

  Parameter list:
    void

  Return value;
    int           the offset as an int

  CAUTION: SI5351_FREQ_MULT is set in the si5253.h header file and is 100UL
*****/
int DoSplitVFO()
{
  char freqBuffer[15];
  int val;
  long chunk = SPLIT_INCREMENT;
  long splitOffset;

  tft.drawRect(INFORMATION_WINDOW_X - 10, INFORMATION_WINDOW_Y - 2, 260, 200, RA8875_MAGENTA);
  tft.fillRect(INFORMATION_WINDOW_X - 8, INFORMATION_WINDOW_Y, 250, 185, RA8875_BLACK);  // Clear volume field
  tft.setFontScale( (enum RA8875tsize) 1);
  tft.setCursor(INFORMATION_WINDOW_X + 10, INFORMATION_WINDOW_Y + 5);
  tft.print("xmit offset: ");

  splitOffset = chunk;                                                    // Set starting offset to 500Hz
  tft.setTextColor(RA8875_GREEN);
  tft.setCursor(INFORMATION_WINDOW_X + 60, INFORMATION_WINDOW_Y + 90);
  tft.print(splitOffset);
  tft.print("Hz  ");

#ifdef G0ORX_FRONTPANEL_2 
  calibrateFlag=1;
#endif
  while (true) {
    if (filterEncoderMove != 0) {                     // Changed encoder?
      splitOffset += filterEncoderMove * chunk;
      tft.fillRect(INFORMATION_WINDOW_X + 60, INFORMATION_WINDOW_Y + 90, 150, 50, RA8875_BLACK);
      tft.setCursor(INFORMATION_WINDOW_X + 60, INFORMATION_WINDOW_Y + 90);
      tft.print(splitOffset);
      tft.print("Hz  ");
    }
    filterEncoderMove = 0L;

    val = ReadSelectedPushButton();                                  // Read pin that controls all switches
    val = ProcessButtonPress(val);
    MyDelay(150L);
    if (val == MENU_OPTION_SELECT) {                              // Make a choice??
      Clk1SetFreq += splitOffset;                                    // New transmit frequency // AFP 09-27-22
      UpdateInfoWindow();
      filterEncoderMove = 0L;
      break;
    }
  }
#ifdef G0ORX_FRONTPANEL_2
  calibrateFlag=0;
#endif
  currentFreqB = currentFreqA + splitOffset;
  FormatFrequency(currentFreqB, freqBuffer);
  tft.fillRect(FREQUENCY_X_SPLIT, FREQUENCY_Y - 12, VFOB_PIXEL_LENGTH, FREQUENCY_PIXEL_HI, RA8875_BLACK);
  tft.setCursor(FREQUENCY_X_SPLIT, FREQUENCY_Y);
  tft.setFont(&FreeMonoBold24pt7b);
  tft.setTextColor(RA8875_GREEN);
  tft.print(freqBuffer);                                          // Show VFO_A

  tft.setFont(&FreeMonoBold18pt7b);
  FormatFrequency(currentFreqA, freqBuffer);
  tft.setTextColor(RA8875_LIGHT_GREY);
  tft.setCursor(FREQUENCY_X, FREQUENCY_Y + 6);
  tft.print(freqBuffer);                                          // Show VFO_A

  tft.useLayers(1);                 //mainly used to turn on layers!
  tft.layerEffect(OR);
  tft.writeTo(L2);
  tft.clearMemory();
  tft.writeTo(L1);

  tft.setFont(&FreeMono9pt7b);
  tft.setTextColor(RA8875_RED);
  tft.setCursor(FILTER_PARAMETERS_X + 180, FILTER_PARAMETERS_Y + 6);
  tft.print("Split Active");

  tft.setFontDefault();
  return (int) splitOffset;                                       // Can be +/-
}
#endif