SerialDisplayPrint.cpp

/*
SerialDisplayPrint.cpp - Library for printing to both the serial port and display.
Created by Terence F. Golla, May 29, 2022
Released into the public domain.
*/

#include "SerialDisplayPrint.h"

SerialDisplayPrint::SerialDisplayPrint() { }

#if ADAFRUIT_TFT_TOUCH_SHIELD
void SerialDisplayPrint::begin(HardwareSerial  &serial, Adafruit_SPITFT &tft)
{
    Serial = &serial;
    TFT = &tft;
}
#else
void SerialDisplayPrint::begin(HardwareSerial  &serial)
{
    Serial = &serial;
}
#endif

#if ADAFRUIT_TFT_TOUCH_SHIELD
void SerialDisplayPrint::SetTextSize(int textSize)
{
    TFT->setTextSize(textSize);
    currentTextSize = textSize;
}

void SerialDisplayPrint::SetTextDisplay()
{
  TFT->fillScreen(TFT_TEXT_BACKGROUND_COLOR);
  TFT->setTextColor(TFT_TEXT_COLOR);
  SetTextSize(TFT_TEXT_SIZE);
  TFT->setTextWrap(false);
  TFT->setCursor(0, 0);
  currentDisplayLineCursor = 0;
}

void SerialDisplayPrint::AdvanceToNextLineOnDisplay()
{
  currentDisplayLineCursor = currentDisplayLineCursor + (TFT_TEXT_HEIGHT * currentTextSize);

  // At lease part of the next line is on the display, so erase what was previously there.
  if (currentDisplayLineCursor <= TFT_HEIGHT)
    TFT->fillRect(0, currentDisplayLineCursor, TFT_WIDTH, TFT_TEXT_HEIGHT * currentTextSize, ILI9341_BLACK);

  // If the next line will not completely fit on the display, return to the top of the display.
  if (currentDisplayLineCursor + (TFT_TEXT_HEIGHT * currentTextSize) > TFT_HEIGHT + 1)
  {
    currentDisplayLineCursor = 0;
    TFT->fillRect(0, currentDisplayLineCursor, TFT_WIDTH, TFT_TEXT_HEIGHT * currentTextSize, ILI9341_BLACK);
  }

  TFT->setCursor(0, currentDisplayLineCursor);
}
#endif

void SerialDisplayPrint::print(byte data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
    TFT->print(data);
#endif
  if (device == Both || device == SerialOnly)
    Serial->print(data);
}

void SerialDisplayPrint::print(short data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
    TFT->print(data);
#endif
  if (device == Both || device == SerialOnly)
    Serial->print(data);
}

void SerialDisplayPrint::print(int data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
    TFT->print(data);
#endif
if (device == Both || device == SerialOnly)
  Serial->print(data);
}

void SerialDisplayPrint::print(unsigned long data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
    TFT->print(data);
#endif
if (device == Both || device == SerialOnly)
  Serial->print(data);
}

void SerialDisplayPrint::print(double data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
    TFT->print(data);
#endif
  if (device == Both || device == SerialOnly)
   Serial->print(data);
}

void SerialDisplayPrint::print(char data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
    TFT->print(data);
#endif
  if (device == Both || device == SerialOnly)
    Serial->print(data);
}

void SerialDisplayPrint::print(char *data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
    TFT->print(data);
#endif
  if (device == Both || device == SerialOnly)
    Serial->print(data);
}

void SerialDisplayPrint::println(byte data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
  {
    TFT->print(data);
    AdvanceToNextLineOnDisplay();
  }
#endif
  if (device == Both || device == SerialOnly)
    Serial->println(data);
}

void SerialDisplayPrint::println(short data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
  {
    TFT->print(data);
    AdvanceToNextLineOnDisplay();
  }
#endif
  if (device == Both || device == SerialOnly)
    Serial->println(data);
}

void SerialDisplayPrint::println(int data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
  {
    TFT->print(data);
    AdvanceToNextLineOnDisplay();
  }
#endif
  if (device == Both || device == SerialOnly)
    Serial->println(data);
}

void SerialDisplayPrint::println(unsigned long data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
  {
    TFT->print(data);
    AdvanceToNextLineOnDisplay();
  }
#endif
  if (device == Both || device == SerialOnly)
    Serial->println(data);
}

void SerialDisplayPrint::println(double data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
  {
    TFT->print(data);
    AdvanceToNextLineOnDisplay();
  }
#endif
  if (device == Both || device == SerialOnly)
    Serial->println(data);
}

void SerialDisplayPrint::println(char *data, PrintDevice device)
{
#if ADAFRUIT_TFT_TOUCH_SHIELD
  if (device == Both || device == DisplayOnly)
  {
    TFT->print(data);
    AdvanceToNextLineOnDisplay();
  }
#endif
  if (device == Both || device == SerialOnly)
    Serial->println(data);
}