„hl2-interface.ino“ ändern

hl2-interface.ino

@@ -1,257 +1,65 @@
 //***************************************************************************************
-//*      PA70 Controller - Band, and Fan Control by Temperature for Arduino Nano        *
+//*                             Hermes Lite 2 Interface Box                             *
-//*        To be used together with Hermes Lite v2 (http://www.hermeslite.com/)         *
-//*                                 by Cesc Gudayol (EA3IGT)                            *
-//*                 Version 3.0.1                             01/04/2021                *
 //*                                                                                     *
+//*    Reads I2C data from the Hermes Lite 2 and a) controls an antenna switch based    *
+//*    on the selected band and b) sets the correct LPF of the Hardrock 50 Power Amp    *
+//*                                                                                     *
+//*        Based on HL2-PA70 by Cesc Gudayol (EA3IGT) Version 3.0.1 from 01/04/2021     *
 //*                  More info at: https://github.com/ea3igt/HL2-PA70                   *
+//*                                                                                     *
+//*                        Adapted by Michael Clemens (DK1MI)                           *
 //*                                                                                     * 
 //***************************************************************************************
 //*           THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND            *
 //***************************************************************************************
-//* v2.0   * 24/10/2020 * Initial version                                               *
-//* v2.1   * 27/10/2020 * Convert sendOled to a function to refresh the OLED display    *
-//* V2.2   * 25/11/2020 * Store last band selected in EPROM                             *
-//*        * 12/12/2020 * Get 6 least significative I2C bus bits to select the band     *
-//* V2.3   * 14/12/2020 * Use EXTTR to control PTT status                               *
-//* V3.0   * 20/02/2021 * First version to test new Control Board v2.1                  *
-//* V3.0.1 * 01/04/2021 * Correct OLED refresh problems                                 *
-//***************************************************************************************
 //
 // Pin Configuration:
-//  - PIN A00 OUTPUT: SCL for I2C Master (OLED display)
-//  - PIN A01 OUTPUT: SDA for I2C Master (OLED display)
 //  - PIN A04 INPUT: SDA for I2C Slave  (Hermes Lite 2 Control bus)
 //  - PIN A05 INPUT: SCL for I2C Slave  (Hermes Lite 2 Control bus)
-//  - PIN A03 INPUT: NTC divider voltage
+//  - PIN D10 OUTPUT: Antenna Switch
-//  - PIN D02 INPUT: EXTTR (PTT) control from Hermes Lite 2
-//  - PIN D03 OUTPUT: LPF Band 1 Control (80m)
-//  - PIN D04 OUTPUT: LPF Band 2 Control (40/60m)
-//  - PIN D05 OUTPUT: LPF Band 3 Control (30/20m)
-//  - PIN D06 OUTPUT: LPF Band 4 Control (17/15/12/10m)
-//  - PIN D07 LPF Spare
-//  - PIN D08 LPF Spare
-//  - PIN D09 LPF Spare
-//  - PIN D10 LPF Spare -> Antenna Switch
-//  - PIN D11 OUTPUT: PWM for Fan control f(Temp)
-//  - PIN D12 OUTPUT: PTT Control to the Power Amp
 
 #include <Wire.h>                     //For I2C control
-#include <U8g2lib.h>                  //For SSD1306 Chip Control (OLED)
 #include <EEPROM.h>                   //To store values from PA70-Controller
 #include <util/delay.h>               //Library to delay inside one Interrupt
 
 //#define TEST                        //Uncomment if Testing (Serial Monitor traces)
 
-// Declaration for an SH1106 display connected to I2C 
-//   U8G2_RX: Rotation (R0 = 0º | R1 = 90º | R2 = 180º | R3 = 270º | MIRROR)
-//   SW SCL pin A0
-//   SW SDA pin A1
-//   Use U8X8_PIN_NONE if the reset pin is not connected (All Boards without Reset of the Display)
-U8G2_SH1106_128X64_NONAME_2_SW_I2C u8g2(U8G2_R0, A0, A1, U8X8_PIN_NONE);  
-
 // Declaration for the Hermes Lites v2 I2C (Listen to Adress 0x20)
 //   HW SDA pin A4
 //   HW SCL pin A5
 
-// Thermometer definitions
-int ThermistorPin = 3;                            //Pin A3 for NTC voltage divider reading
-int Vo;                                           //To store thermistor bridge readings
-float R1 = 10000;                                 //Adjust to the R value for the divider (About 10K Ohm)
-float logR2, R2, T;
-float c1 = 1.009249522e-03, c2 = 2.378405444e-04, c3 = 2.019202697e-07;
 
-// PWM definitions
+#define Antenna 10                                //Pin D10
-const byte PWM_Pin = 11;                          //PWM Pin
-
-// LPF Output Pins (D3..D10 pins can be used)
-#define LPF_band1 3                               //Pin D3
-#define LPF_band2 4                               //Pin D4
-#define LPF_band3 5                               //Pin D5
-#define LPF_band4 6                               //Pin D6
-
-#define Antenna 19                                //Pin D10
-
-// PTT Control
-#define EXTTR 2                                   //Pin D2
-#define PTTpin 12                                 //Pin D12
 
 // Other Configurations
-float initialTempFanActivation = 27;              //Minimum temperature for Fan Activation
-float tempFanActivation;                          //to implement the histeresis cycle
-float previousTemp_fanActivation;                 //to implement the histeresis cycle
-bool fanConnected = false;                        //to store if Fan is activated to show on OLED
-String myBand="---";                              //to store myBand String
-float myTemp;                                     //to store Temperature read from NTC
-byte selectedBand;                                //to store Selected Band
-byte previousSelectedBand;                        //to store previously Selected Band
 byte previousI2CBand;                             //to store previously I2C Band decoded
-byte PTTStatus = 0;                               //to store global PTT Status 
-bool PTTChanged = false;                          //to store global PTT Status Changed 
 int selected_antenna = 0;
 
 // SetUp function initializations
 void setup() {
-  #ifdef TEST
   Serial.begin(9600);
-  #endif
-
-  // U8G2 Display initialization
-  u8g2.begin();  
-  u8g2.setFont(u8g2_font_helvB12_tr);
-  u8g2.firstPage();
-  do {
-    u8g2.drawStr(5,25,"PA70 Ctrl v3.0.1");        //Software version
-    u8g2.drawStr(5,53,"      EA3IGT");            //Change to whatever you want
-  } while ( u8g2.nextPage() );
 
   // I2C Slave Setup
   Wire.begin(0x20);                               // join i2c bus with address to listen
   Wire.onReceive(receiveEvent);                   // register event
 
-  // Fan Setup
-  tempFanActivation = initialTempFanActivation;
-  previousTemp_fanActivation = tempFanActivation;
-
-  // LPF Setup
-  pinMode(LPF_band1, OUTPUT);         
-  pinMode(LPF_band2, OUTPUT);         
-  pinMode(LPF_band3, OUTPUT);         
-  pinMode(LPF_band4, OUTPUT);       
-
   // Antenna
   pinMode(Antenna, OUTPUT);  
   
-  // OLED Setup
-  pinMode(A0,OUTPUT);
-  pinMode(A1,OUTPUT);
-
-  // PTT Setup
-  pinMode(PTTpin,OUTPUT);  
-  pinMode(EXTTR,INPUT);  
-  
-  // PWM Setup
-  pinMode(PWM_Pin,OUTPUT);
-  
   delay(200);
 
-  //Listen to EXTTR status change 
-  attachInterrupt(digitalPinToInterrupt(EXTTR),changePTT,CHANGE);
-    
   //Get stored Band from EEPROM for initial filter selection
-  previousSelectedBand=EEPROM.read(0);              //Read LPF filter Band from EEPROM byte 0
   previousI2CBand=EEPROM.read(1);                   //Read I2C byte Band from EEPROM byte 1
 
-  #ifdef TEST
-  Serial.print(F("*** Previous I2C Band: "));
-  Serial.println(previousI2CBand);
-  Serial.print(F("*** Previous Selected Band: "));
-  Serial.println(previousSelectedBand);
-  Serial.println(F("Initializing..."));
-  Serial.println();
-  #endif 
-
   decodeBand(previousI2CBand);
-  setLpfBand(previousSelectedBand);                   //Select LPF filter
-
-  delay(2000);                                        //Delay to show the Logo & Version
-  sendOled();                                         //Refresh OLED
 }
 
 // Main loop program
 void loop() 
 {
-  int PWMDuty;
+  // do nothing
-  int Times = 100;                                    //Average N times to be more stable
-  float Temperature = 0;                              //All thermometer code from: https://bit.ly/3pOUjVo
-  for(int i = 0; i < Times; i++) {
-    Vo = analogRead(ThermistorPin);
-    R2 = R1 * (1024.0 / (float)Vo - 1.0);
-    logR2 = log(R2);
-    T = (1.0 / (c1 + c2*logR2 + c3*logR2*logR2*logR2));
-    T = T - 273.15 + 1;                               //+1 is my personal adjustment to be more precise
-    Temperature = Temperature + T;
-    if (PTTChanged)
-    {
-        digitalWrite(PTTpin,PTTStatus);               //Toggle PTT
-        PTTChanged=false;                             //Reset PTTChanged
-    }
-  }
-  myTemp = int(Temperature/Times*10)/(float)10.0;     //Rounded to get 1 decimal
-
-  PWMDuty = int((myTemp - tempFanActivation)*20);     //Calculate PWMDuty (increase to get more aggresive fan)
-  if (PWMDuty < 0) 
-  {
-    PWMDuty = 0;
-  }
-  if (PWMDuty > 254) 
-  {
-    PWMDuty = 254;
-  }
-
-  #ifdef TEST
-  Serial.print(F("Temperature: "));
-  Serial.print(myTemp,1);
-  Serial.print(F(" - PWMDuty: "));
-  Serial.println(PWMDuty);
-  #endif
-
-  analogWrite(PWM_Pin,PWMDuty);                       //Select the appropriate PWM f(temperature)
-
-  if (PWMDuty > 0 and not(fanConnected))              //Implement histeresis cycle
-  {
-    tempFanActivation = initialTempFanActivation - 1;
-  }
-  if (PWMDuty == 0 and fanConnected)
-  {
-    tempFanActivation = initialTempFanActivation;
-  }
-
-  if (PWMDuty > 0)
-  {
-    fanConnected=true;
-  }
-  else
-  {
-    fanConnected=false;
-  }
-
-  #ifdef TEST
-  if (fanConnected)
-  {
-    Serial.println(F("Fan Connected"));
-    Serial.print(F("Minimum Temperature Fan Deactivation: "));
-    Serial.println(tempFanActivation,1);
-  }
-  else
-  {
-    Serial.println(F("Fan Disconnected")); 
-    Serial.print(F("Minimum Temperature Fan Activation: "));
-    Serial.println(tempFanActivation,1);
-  }
-  Serial.print(F("BAND:"));
-  Serial.println(myBand); 
-  Serial.println();
-  #endif
-
-  sendOled();                                         //Refresh OLED
 }
 
-//Interrupt function to handle any PTT change at HL2 (EXTTR signal)
-void changePTT()
-{
-  int myEXTTR = digitalRead(EXTTR);
-  PTTStatus = not(myEXTTR);
-  PTTChanged = true;
-  
-  #ifdef TEST
-  Serial.println(F("*** EXTTR Changed ***"));
-  Serial.print(F("Value="));
-  Serial.println(myEXTTR);
-  Serial.print(F("PTTStatus="));
-  Serial.println(PTTStatus);
-  #endif
-}
 
 void receiveEvent(int howMany) {      //Triggered when receive I2C information from HL2
   byte c[10];
@@ -267,32 +75,15 @@ void receiveEvent(int howMany) {      //Triggered when receive I2C information f
   #endif
 
   byte myC=c[1] & B00111111;          //Get 6 least significative bits
+
   decodeBand(myC);                    //Decode Band
 
-  // write to LPF "Binary Bus" (Band Selection)
-  setLpfBand(selectedBand);
-  if ((selectedBand!=previousSelectedBand) and (PTTStatus==1))
-  {
-    #ifdef TEST
-    // write to usb monitor
-    Serial.println(F("*** Change Filter: Delay 50 ms ***"));
-    #endif
-    _delay_ms(50);                    //Delay 50ms to settle LPF filters (if change) before PTT   
-  }
-  previousSelectedBand = selectedBand;
-
-  // Toggle PTT
-  digitalWrite(PTTpin,PTTStatus);
-
   // toggle Antenna
   digitalWrite(Antenna,selected_antenna);
   
   //Store Last Selected Band into EEPROM
-  if (PTTStatus)
+  EEPROM.write(1,myC);              //Byte 1 for I2C decoded
-  {
+             
-    EEPROM.write(0,selectedBand);     //Byte 0 for selectedBand
-    EEPROM.write(1,myC);              //Byte 1 for I2C decoded
-  }                 
 
   #ifdef TEST
   // write to usb monitor
@@ -303,86 +94,38 @@ void receiveEvent(int howMany) {      //Triggered when receive I2C information f
   #endif
 }
 
-//Function to activate the appropriate filter band at LPF
-//***************** Change accordingly ******************
-void setLpfBand(int lpfBand)
-{
-  // write to LPF "Binary Bus" (Band Selection)
-  digitalWrite(LPF_band1, lpfBand & B0001);
-  digitalWrite(LPF_band2, lpfBand & B0010);
-  digitalWrite(LPF_band3, lpfBand & B0100);
-  digitalWrite(LPF_band4, lpfBand & B1000);
-}
-
 //Function to decode HL2 band and select/map the filter
 //**************** Change accordingly *****************
 void decodeBand(byte c)
 { 
   switch (c) {
     case 0x1:     //160m
-      selectedBand = B0001;
-      myBand = F("160m");
       selected_antenna = 0;
+      Serial.println("HRBN10;"); // sets the Hardrock-50 to 160m
       break;
     case 0x2:     //80m
-      selectedBand = B0001;
-      myBand = F("80m");
       selected_antenna = 0;
+      Serial.println("HRBN9;"); // sets the Hardrock-50 to 80m
       break;
     case 0x4:     //60m & 40m
-      selectedBand = B0010;
-      myBand = F("60/40m");
       selected_antenna = 0;
+      Serial.println("HRBN7;"); // sets the Hardrock-50 to 40m
       break;
     case 0x8:     //30m & 20m
-      selectedBand = B0100;
-      myBand = F("30/20m");
       selected_antenna = 1;
+      Serial.println("HRBN5;"); // sets the Hardrock-50 to 20m
       break;
     case 0x10:     //17m & 15m
-      selectedBand = B1000;
-      myBand = F("17/15m");
       selected_antenna = 1;
+      Serial.println("HRBN3;"); // sets the Hardrock-50 to 15m
       break;
     case 0x20:     //12m & 10m
-      selectedBand = B1000;
-      myBand = F("12/10m");
       selected_antenna = 1;
-      break;           
+      Serial.println("HRBN1;"); // sets the Hardrock-50 to 10m
-    default:
+      break;      
-      selectedBand=selectedBand;  //No Change
+    case 0x00:     //6m
+      selected_antenna = 1;
+      Serial.println("HRBN0;"); // sets the Hardrock-50 to 6m
+      break;            
   }
-}
+}
-
-//Function to send all the information to the OLED
-void sendOled(void)
-{
-  // write to OLED
-  //u8g2.clearBuffer();
-  u8g2.firstPage();
-  do {
-    // u8g2.drawFrame(0,0,128,64);
-    u8g2.setFont(u8g2_font_t0_17_tr);
-    u8g2.drawStr(5,17,"BAND:");
-    
-    u8g2.drawStr(55,17,myBand.c_str());
-    u8g2.drawStr(5,37,"TEMP:");
-    String myTempStr=String(myTemp,1);
-    u8g2.drawStr(55,37,myTempStr.c_str());
-    if (fanConnected)
-    {
-      //u8g2.drawStr(97,37,"#");
-      u8g2.setFont(u8g2_font_open_iconic_all_2x_t);
-      u8g2.drawStr(96,39,"\xcd");
-    }
-    else
-    {
-      u8g2.drawStr(97,36,"_");
-    }
-    u8g2.setFont(u8g2_font_t0_17_tr);
-    String a = "Antenna: " + String(selected_antenna);
-    u8g2.drawStr(5,57,a.c_str());  //Space for future uses
-    delay(2);
-  } while ( u8g2.nextPage() );
-  u8g2.sendBuffer();  
-}