 char DisplayValueSWR[10];
 char input; //buffer for input characters for calculations
 
+// float array
 float valueRotateC1 = -1;
 float valueRotateC2 = -1;
 float valueRotateL = -1;

  PIN TFT       PIN Mega
  VCC           5V
  GND           GND
  LED           3V3                                         LED backlight control
  CLK           D20 SCK = PIN 52                            Clock signal
  SDI           D21 MOSI = PIN 51                           Data signal
  RS            D9 defined in code below  #define dc   9    Command/Data select
  RST           D8 defined in code below  #define SRT  8    Reset
  CS            D10 defined in code below #define cs   10   Chip select

  https://www.jaycar.com.au/128x128-lcd-screen-module-for-arduino/p/XC4629
  http://www.arduino.cc/en/Tutorial/TFTDisplayText


  Motor 1 = "L" Motor
  Motor 2 = "C1" Motor "Cold"
  Motor 3 = "C2 Motor "Hot"

*/
#include "proto/device_id.h"
#include <SPI.h>          // SPI library
#include <TFT_ST7735.h>   // Graphics and font library for ST7735 driver chip
#include <Keypad.h>       // Keypad library
#include <math.h>         // Math library
#define PJON_ID ID_HAL100
#include "proto/common.h"

//Bell icon size: 16W*16H
const unsigned char bell [] PROGMEM = {

    case PRESSED:
      //    lcd.print(eKey);
      switch (eKey) {
      //        case '#':                   // not used atm
      //         break;
        case 'c':                           // "C1 Cold" motor move 1 step CCW
          incC1(-1);
          break;
        case 'C':                           // "C1 Cold" motor move 1 step CW
          incC1(1);
          break;
        case 'h':                           // "C2 Hot" motor move 1 step CCW
          incC2(-1);
          break;
        case 'H':                           // "C2 Hot" motor move 1 step CW
          incC2(1);
          break;
        case 'D':                           // "L" motor move 10 step CCW
          incL(-10.0);
          break;
        case 'U':                           // "L" motor move 10 step CW
          incL(+10.0);
          break;
        ///        case '*':                // not used atm
        //          break;
        case 'S':                           // Auto tune button
          mechAutoTune();
          break;
        case 'K':                           // Fine tune button - in development, not sure if we need it
          mechFineTune();
          break;
      }
