Replace deprecated boolean type

Note that Processing sketches (pde type) do not accept bool, so boolean is correct.

Extensions/Touch.h

@@ -9,7 +9,9 @@
            // Convert raw x,y values to calibrated and correctly rotated screen coordinates
   void     convertRawXY(uint16_t *x, uint16_t *y);
            // Get the screen touch coordinates, returns true if screen has been touched
-           // if the touch cordinates are off screen then x and y are not updated
+           // if the touch coordinates are off screen then x and y are not updated
+           // The returned value can be treated as a bool type, false or 0 means touch not detected
+           // In future the function may return an 8 "quality" (jitter) value.
   uint8_t  getTouch(uint16_t *x, uint16_t *y, uint16_t threshold = 600);
 
            // Run screen calibration and test, report calibration values to the serial port

examples/160 x 128/TFT_Clock/TFT_Clock.ino

@@ -33,7 +33,7 @@ static uint8_t conv2d(const char* p) {
 
 uint8_t hh=conv2d(__TIME__), mm=conv2d(__TIME__+3), ss=conv2d(__TIME__+6);  // Get H, M, S from compile time
 
-boolean initial = 1;
+bool initial = 1;
 
 void setup(void) {
   tft.init();

examples/160 x 128/TFT_Clock_Digital/TFT_Clock_Digital.ino

@@ -36,7 +36,7 @@ TFT_eSPI tft = TFT_eSPI();  // Invoke library, pins defined in User_Setup.h
 uint32_t targetTime = 0;       // for next 1 second timeout
 
 byte omm = 99;
-boolean initial = 1;
+bool initial = 1;
 byte xcolon = 0;
 unsigned int colour = 0;
 

examples/320 x 240/Keypad_240x320/Keypad_240x320.ino

@@ -108,7 +108,7 @@ void loop(void) {
   uint16_t t_x = 0, t_y = 0; // To store the touch coordinates
 
   // Pressed will be set true is there is a valid touch on the screen
-  boolean pressed = tft.getTouch(&t_x, &t_y);
+  bool pressed = tft.getTouch(&t_x, &t_y);
 
   // / Check if any key coordinate boxes contain the touch coordinates
   for (uint8_t b = 0; b < 15; b++) {

examples/320 x 240/TFT_Clock/TFT_Clock.ino

@@ -33,7 +33,7 @@ uint32_t targetTime = 0;                    // for next 1 second timeout
 static uint8_t conv2d(const char* p); // Forward declaration needed for IDE 1.6.x
 uint8_t hh=conv2d(__TIME__), mm=conv2d(__TIME__+3), ss=conv2d(__TIME__+6);  // Get H, M, S from compile time
 
-boolean initial = 1;
+bool initial = 1;
 
 void setup(void) {
   tft.init();

examples/320 x 240/TFT_Terminal/TFT_Terminal.ino

@@ -48,8 +48,8 @@ uint16_t xPos = 0;
 byte data = 0;
 
 // A few test variables used during debugging
-boolean change_colour = 1;
+bool change_colour = 1;
-boolean selected = 1;
+bool selected = 1;
 
 // We have to blank the top line each time the display is scrolled, but this takes up to 13 milliseconds
 // for a full width line, meanwhile the serial buffer may be filling... and overflowing

examples/480 x 320/Graph_2/Graph_2.ino

@@ -60,8 +60,8 @@ TFT_eSPI tft = TFT_eSPI();                   // Invoke custom library with defau
 // and will mimize flicker
 // also create some variables to store the old x and y, if you draw 2 graphs on the same display
 // you will need to store ox and oy per each display
-boolean display1 = true;
+bool display1 = true;
-boolean update1 = true;
+bool update1 = true;
 
 double ox = -999, oy = -999; // Force them to be off screen
 
@@ -97,7 +97,7 @@ void Graph(TFT_eSPI &tft, double x, double y, byte dp,
                            double xlo, double xhi, double xinc,
                            double ylo, double yhi, double yinc,
                            char *title, char *xlabel, char *ylabel,
-                           boolean &redraw, unsigned int color) {
+                           bool &redraw, unsigned int color) {
 
   double ydiv, xdiv;
   double i;
@@ -191,7 +191,7 @@ void Trace(TFT_eSPI &tft, double x,  double y,  byte dp,
            double xlo, double xhi, double xinc,
            double ylo, double yhi, double yinc,
            char *title, char *xlabel, char *ylabel,
-           boolean &update1, unsigned int color)
+           bool &update1, unsigned int color)
 {
   double ydiv, xdiv;
   double i;

examples/480 x 320/Keypad_480x320/Keypad_480x320.ino

@@ -111,7 +111,7 @@ void loop(void) {
   uint16_t t_x = 0, t_y = 0; // To store the touch coordinates
 
   // Pressed will be set true is there is a valid touch on the screen
-  boolean pressed = tft.getTouch(&t_x, &t_y);
+  bool pressed = tft.getTouch(&t_x, &t_y);
 
   // / Check if any key coordinate boxes contain the touch coordinates
   for (uint8_t b = 0; b < 15; b++) {

examples/480 x 320/TFT_ring_meter/TFT_ring_meter.ino

@@ -26,7 +26,7 @@ uint32_t runTime = -99999;       // time for next update
 
 int reading = 0; // Value to be displayed
 int d = 0; // Variable used for the sinewave test waveform
-boolean range_error = 0;
+bool range_error = 0;
 int8_t ramp = 1;
 
 void setup(void) {
@@ -180,7 +180,7 @@ int ringMeter(int value, int vmin, int vmax, int x, int y, int r, const char *un
   return x + r;
 }
 
-void drawAlert(int x, int y , int side, boolean draw)
+void drawAlert(int x, int y , int side, bool draw)
 {
   if (draw && !range_error) {
     drawIcon(alert, x - alertWidth/2, y - alertHeight/2, alertWidth, alertHeight);

examples/Generic/Animated_Eyes_1/eye_functions.ino

@@ -237,7 +237,7 @@ void frame(uint16_t iScale) // Iris scale (0-1023)
   // Periodically initiates motion to a new random point, random speed,
   // holds there for random period until next motion.
 
-  static boolean  eyeInMotion      = false;
+  static bool  eyeInMotion      = false;
   static int16_t  eyeOldX = 512, eyeOldY = 512, eyeNewX = 512, eyeNewY = 512;
   static uint32_t eyeMoveStartTime = 0L;
   static int32_t  eyeMoveDuration  = 0L;

examples/Generic/Animated_Eyes_2/eye_functions.ino

@@ -237,7 +237,7 @@ void frame(uint16_t iScale) // Iris scale (0-1023)
   // Periodically initiates motion to a new random point, random speed,
   // holds there for random period until next motion.
 
-  static boolean  eyeInMotion      = false;
+  static bool  eyeInMotion      = false;
   static int16_t  eyeOldX = 512, eyeOldY = 512, eyeNewX = 512, eyeNewY = 512;
   static uint32_t eyeMoveStartTime = 0L;
   static int32_t  eyeMoveDuration  = 0L;

examples/Generic/ESP32_SDcard_jpeg/ESP32_SDcard_jpeg.ino

@@ -118,8 +118,8 @@ void drawSdJpeg(const char *filename, int xpos, int ypos) {
   Serial.println("===========================");
 
   // Use one of the following methods to initialise the decoder:
-  boolean decoded = JpegDec.decodeSdFile(jpegFile);  // Pass the SD file handle to the decoder,
+  bool decoded = JpegDec.decodeSdFile(jpegFile);  // Pass the SD file handle to the decoder,
-  //boolean decoded = JpegDec.decodeSdFile(filename);  // or pass the filename (String or character array)
+  //bool decoded = JpegDec.decodeSdFile(filename);  // or pass the filename (String or character array)
 
   if (decoded) {
     // print information about the image to the serial port

examples/Generic/ESP8266_uncannyEyes/ESP8266_uncannyEyes.ino

@@ -218,7 +218,7 @@ void frame( // Process motion for a single frame of left or right eye
       // Periodically initiates motion to a new random point, random speed,
       // holds there for random period until next motion.
 
-  static boolean  eyeInMotion      = false;
+  static bool  eyeInMotion      = false;
   static int32_t  eyeOldX=512, eyeOldY=512, eyeNewX=512, eyeNewY=512;
   static uint32_t eyeMoveStartTime = 0L;
   static int32_t  eyeMoveDuration  = 0L;

examples/Generic/On_Off_Button/On_Off_Button.ino

@@ -27,7 +27,7 @@ TFT_eSPI tft = TFT_eSPI();       // Invoke custom library
 // Repeat calibration if you change the screen rotation.
 #define REPEAT_CAL false
 
-boolean SwitchOn = false;
+bool SwitchOn = false;
 
 // Comment out to stop drawing black spots
 #define BLACK_SPOT

examples/Generic/TFT_Button_Label_Datum/TFT_Button_Label_Datum.ino

@@ -73,7 +73,7 @@ void loop() {
   uint16_t t_x = 0, t_y = 0; // To store the touch coordinates
 
   // Get current touch state and coordinates
-  boolean pressed = tft.getTouch(&t_x, &t_y);
+  bool pressed = tft.getTouch(&t_x, &t_y);
 
   // Adjust press state of each key appropriately
   for (uint8_t b = 0; b < NUM_KEYS; b++) {

examples/Generic/TFT_Screen_Capture/processing_sketch.ino

@@ -49,9 +49,9 @@ String image_type = ".png";   // Lossless compression
 //String image_type = ".bmp"; //                                                             #
 //String image_type = ".tif"; //                                                             #
 //                                                                                           #
-boolean save_border = true;   // Save the image with a border                                #
+bool save_border = true;   // Save the image with a border                                #
 int border = 5;               // Border pixel width                                          #
-boolean fade = false;         // Fade out image after saving                                 #
+bool fade = false;         // Fade out image after saving                                 #
 //                                                                                           #
 int max_images = 100; // Maximum of numbered file images before over-writing files           #
 //                                                                                           #
@@ -82,9 +82,9 @@ color frameColor = 42;
 color buttonStopped = color(255, 0, 0);
 color buttonRunning = color(128, 204, 206);
 color buttonDimmed  = color(180, 0, 0);
-boolean dimmed   = false;
+bool dimmed   = false;
-boolean running  = true;
+bool running  = true;
-boolean mouseClick = false;
+bool mouseClick = false;
 
 int[] rgb = new int[3]; // Buffer for the colour bytes
 int indexRed   = 0;     // Colour byte index in the array
@@ -288,7 +288,7 @@ void flushBuffer()
   while ( millis() < clearTime ) serial.clear();
 }
 
-boolean getSize()
+bool getSize()
 {
   if ( serial.available() > 6 ) {
     println();
@@ -371,7 +371,7 @@ void getFilename()
   else if (inByte == 't') image_type =".tif";
 }
 
-boolean unicodeCheck(int unicode)
+bool unicodeCheck(int unicode)
 {
   if (  unicode >= '0' && unicode <= '9' ) return true;
   if ( (unicode >= 'A' && unicode <= 'Z' ) || (unicode >= 'a' && unicode <= 'z')) return true;
@@ -475,7 +475,7 @@ void percent(float percentage)
   text(" [ " + (int)percentage + "% ]", 10, height-8);
 }
 
-boolean fadedImage()
+bool fadedImage()
 {
   int opacity = frameCount - drawLoopCount;  // So we get increasing fade
   if (fade)

examples/Generic/TFT_Screen_Capture/screenServer.ino

@@ -48,7 +48,7 @@
 //                           Screen server call with no filename
 //====================================================================================
 // Start a screen dump server (serial or network) - no filename specified
-boolean screenServer(void)
+bool screenServer(void)
 {
   // With no filename the screenshot will be saved with a default name e.g. tft_screen_#.xxx
   // where # is a number 0-9 and xxx is a file type specified below
@@ -59,12 +59,12 @@ boolean screenServer(void)
 //                           Screen server call with filename
 //====================================================================================
 // Start a screen dump server (serial or network) - filename specified
-boolean screenServer(String filename)
+bool screenServer(String filename)
 {
   delay(0); // Equivalent to yield() for ESP8266;
 
-  boolean result = serialScreenServer(filename); // Screenshot serial port server
+  bool result = serialScreenServer(filename); // Screenshot serial port server
-  //boolean result = wifiScreenServer(filename);   // Screenshot WiFi UDP port server (WIP)
+  //bool result = wifiScreenServer(filename);   // Screenshot WiFi UDP port server (WIP)
 
   delay(0); // Equivalent to yield()
 
@@ -78,13 +78,13 @@ boolean screenServer(String filename)
 //====================================================================================
 //                Serial server function that sends the data to the client
 //====================================================================================
-boolean serialScreenServer(String filename)
+bool serialScreenServer(String filename)
 {
   // Precautionary receive buffer garbage flush for 50ms
   uint32_t clearTime = millis() + 50;
   while ( millis() < clearTime && Serial.read() >= 0) delay(0); // Equivalent to yield() for ESP8266;
 
-  boolean wait = true;
+  bool wait = true;
   uint32_t lastCmdTime = millis();     // Initialise start of command time-out
 
   // Wait for the starting flag with a start time-out

examples/Generic/Touch_calibrate/Touch_calibrate.ino

@@ -44,7 +44,7 @@ void loop(void) {
   uint16_t x = 0, y = 0; // To store the touch coordinates
 
   // Pressed will be set true is there is a valid touch on the screen
-  boolean pressed = tft.getTouch(&x, &y);
+  bool pressed = tft.getTouch(&x, &y);
 
   // Draw a white spot at the detected coordinates
   if (pressed) {