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This commit is contained in:
Erik Tylek Kettenburg
2015-06-23 12:42:35 -07:00
parent bc55c9bb45
commit 6ca6b114d5
3581 changed files with 93 additions and 51 deletions
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digistump-sam/libraries/UTouch/License - CC BY-NC-SA 3.0 - Legal.pdf Normal file
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digistump-sam/libraries/UTouch/License - CC BY-NC-SA 3.0 - Summary.pdf Normal file
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digistump-sam/libraries/UTouch/UTouch.cpp Normal file
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/*
UTouch.cpp - Arduino/chipKit library support for Color TFT LCD Touch screens
Copyright (C)2010-2013 Henning Karlsen. All right reserved
Basic functionality of this library are based on the demo-code provided by
ITead studio. You can find the latest version of the library at
http://www.henningkarlsen.com/electronics
If you make any modifications or improvements to the code, I would appreciate
that you share the code with me so that I might include it in the next release.
I can be contacted through http://www.henningkarlsen.com/electronics/contact.php
This library is free software; you can redistribute it and/or
modify it under the terms of the CC BY-NC-SA 3.0 license.
Please see the included documents for further information.
*/
#include "UTouch.h"
#include "UTouchCD.h"
UTouch::UTouch(byte tclk, byte tcs, byte din, byte dout, byte irq)
{
T_CLK = tclk;
T_CS = tcs;
T_DIN = din;
T_DOUT = dout;
T_IRQ = irq;
}
void UTouch::InitTouch(byte orientation)
{
orient = orientation;
_default_orientation = CAL_S>>31;
touch_x_left = (CAL_X>>14) & 0x3FFF;
touch_x_right = CAL_X & 0x3FFF;
touch_y_top = (CAL_Y>>14) & 0x3FFF;
touch_y_bottom = CAL_Y & 0x3FFF;
disp_x_size = (CAL_S>>12) & 0x0FFF;
disp_y_size = CAL_S & 0x0FFF;
prec = 10;
pinMode(T_CLK, OUTPUT);
pinMode(T_CS, OUTPUT);
pinMode(T_DIN, OUTPUT);
pinMode(T_DOUT, INPUT);
pinMode(T_IRQ, OUTPUT);
digitalWrite(T_CS, HIGH);
digitalWrite(T_CLK, HIGH);
digitalWrite(T_DIN, HIGH);
digitalWrite(T_CLK, HIGH);
}
void UTouch::touch_WriteData(byte data)
{
byte temp;
byte nop;
temp=data;
digitalWrite(T_CLK,LOW);
for(byte count=0; count<8; count++)
{
if(temp & 0x80)
digitalWrite(T_DIN, HIGH);
else
digitalWrite(T_DIN, LOW);
temp = temp << 1;
digitalWrite(T_CLK, LOW);
nop++;
digitalWrite(T_CLK, HIGH);
nop++;
}
}
word UTouch::touch_ReadData()
{
byte nop;
word data = 0;
for(byte count=0; count<12; count++)
{
data <<= 1;
digitalWrite(T_CLK, HIGH);
nop++;
digitalWrite(T_CLK, LOW);
nop++;
if (digitalRead(T_DOUT))
data++;
}
return(data);
}
void UTouch::read()
{
unsigned long tx=0, temp_x=0;
unsigned long ty=0, temp_y=0;
int datacount=0;
digitalWrite(T_CS,LOW);
for (int i=0; i<prec; i++)
{
touch_WriteData(0x90);
digitalWrite(T_CLK,HIGH);
digitalWrite(T_CLK,LOW);
temp_x=touch_ReadData();
touch_WriteData(0xD0);
digitalWrite(T_CLK,HIGH);
digitalWrite(T_CLK,LOW);
temp_y=touch_ReadData();
if (!((temp_x>max(touch_x_left, touch_x_right)) or (temp_x==0) or (temp_y>max(touch_y_top, touch_y_bottom)) or (temp_y==0)))
{
ty+=temp_x;
tx+=temp_y;
datacount++;
}
}
digitalWrite(T_CS,HIGH);
if (datacount>0)
{
if (orient == _default_orientation)
{
TP_X=tx/datacount;
TP_Y=ty/datacount;
}
else
{
TP_X=ty/datacount;
TP_Y=tx/datacount;
}
}
else
{
TP_X=-1;
TP_Y=-1;
}
}
bool UTouch::dataAvailable()
{
bool avail;
pinMode(T_IRQ, INPUT);
avail = !digitalRead(T_IRQ);
pinMode(T_IRQ, OUTPUT);
return avail;
}
int UTouch::getX()
{
long c;
if (orient == _default_orientation)
{
c = long(long(TP_X - touch_x_left) * (disp_x_size)) / long(touch_x_right - touch_x_left);
if (c<0)
c = 0;
if (c>disp_x_size)
c = disp_x_size;
}
else
{
if (_default_orientation == PORTRAIT)
c = long(long(TP_X - touch_y_top) * (-disp_y_size)) / long(touch_y_bottom - touch_y_top) + long(disp_y_size);
else
c = long(long(TP_X - touch_y_top) * (disp_y_size)) / long(touch_y_bottom - touch_y_top);
if (c<0)
c = 0;
if (c>disp_y_size)
c = disp_y_size;
}
return c;
}
int UTouch::getY()
{
int c;
if (orient == _default_orientation)
{
c = long(long(TP_Y - touch_y_top) * (disp_y_size)) / long(touch_y_bottom - touch_y_top);
if (c<0)
c = 0;
if (c>disp_y_size)
c = disp_y_size;
}
else
{
if (_default_orientation == PORTRAIT)
c = long(long(TP_Y - touch_x_left) * (disp_x_size)) / long(touch_x_right - touch_x_left);
else
c = long(long(TP_Y - touch_x_left) * (-disp_x_size)) / long(touch_x_right - touch_x_left) + long(disp_x_size);
if (c<0)
c = 0;
if (c>disp_x_size)
c = disp_x_size;
}
return c;
}
void UTouch::setPrecision(byte precision)
{
switch (precision)
{
case PREC_LOW:
prec=1;
break;
case PREC_MEDIUM:
prec=10;
break;
case PREC_HI:
prec=25;
break;
case PREC_EXTREME:
prec=100;
break;
default:
prec=10;
break;
}
}

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/*
UTouch.h - Arduino/chipKit library support for Color TFT LCD Touch screens
Copyright (C)2010-2013 Henning Karlsen. All right reserved
Basic functionality of this library are based on the demo-code provided by
ITead studio. You can find the latest version of the library at
http://www.henningkarlsen.com/electronics
If you make any modifications or improvements to the code, I would appreciate
that you share the code with me so that I might include it in the next release.
I can be contacted through http://www.henningkarlsen.com/electronics/contact.php
This library is free software; you can redistribute it and/or
modify it under the terms of the CC BY-NC-SA 3.0 license.
Please see the included documents for further information.
*/
#ifndef UTouch_h
#define UTouch_h
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#define PORTRAIT 0
#define LANDSCAPE 1
#define PREC_LOW 1
#define PREC_MEDIUM 2
#define PREC_HI 3
#define PREC_EXTREME 4
class UTouch
{
public:
word TP_X ,TP_Y;
UTouch(byte tclk, byte tcs, byte tdin, byte dout, byte irq);
void InitTouch(byte orientation = LANDSCAPE);
void read();
bool dataAvailable();
int getX();
int getY();
void setPrecision(byte precision);
private:
byte T_CLK, T_CS, T_DIN, T_DOUT, T_IRQ;
long _default_orientation;
byte orient;
byte prec;
byte display_model;
long disp_x_size, disp_y_size, default_orientation;
long touch_x_left, touch_x_right, touch_y_top, touch_y_bottom;
void touch_WriteData(byte data);
word touch_ReadData();
};
#endif

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// UTouchCD.h
// ----------
//
// Since there are slight deviations in all touch screens you should run a
// calibration on your display module. Run the UTouch_Calibration sketch
// that came with this library and follow the on-screen instructions to
// update this file.
//
// Remember that is you have multiple display modules they will probably
// require different calibration data so you should run the calibration
// every time you switch to another module.
// You can, of course, store calibration data for all your modules here
// and comment out the ones you dont need at the moment.
//
// These calibration settings works with my ITDB02-3.2S.
// They MIGHT work on your display module, but you should run the
// calibration sketch anyway.
#define CAL_X 0x00314ED0UL
#define CAL_Y 0x03D6C174UL
#define CAL_S 0x000EF13FUL

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digistump-sam/libraries/UTouch/examples/Arduino/UTouch_ButtonTest/UTouch_ButtonTest.pde Normal file
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// UTouch_ButtonTest (C)2010-2012 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program is a quick demo of how create and use buttons.
//
// This program requires the UTFT library.
//
// It is assumed that the display module is connected to an
// appropriate shield or that you know how to change the pin
// numbers in the setup.
//
#include <UTFT.h>
#include <UTouch.h>
// Declare which fonts we will be using
extern uint8_t BigFont[];
// Uncomment the next two lines for the Arduino 2009/UNO
//UTFT myGLCD(ITDB24D,19,18,17,16); // Remember to change the model parameter to suit your display module!
//UTouch myTouch(15,10,14,9,8);
// Uncomment the next two lines for the Arduino Mega
UTFT myGLCD(ITDB32S, 38,39,40,41); // Remember to change the model parameter to suit your display module!
UTouch myTouch(6,5,4,3,2);
int x, y;
char stCurrent[20]="";
int stCurrentLen=0;
char stLast[20]="";
/*************************
** Custom functions **
*************************/
void drawButtons()
{
// Draw the upper row of buttons
for (x=0; x<5; x++)
{
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (10+(x*60), 10, 60+(x*60), 60);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (10+(x*60), 10, 60+(x*60), 60);
myGLCD.printNumI(x+1, 27+(x*60), 27);
}
// Draw the center row of buttons
for (x=0; x<5; x++)
{
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (10+(x*60), 70, 60+(x*60), 120);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (10+(x*60), 70, 60+(x*60), 120);
if (x<4)
myGLCD.printNumI(x+6, 27+(x*60), 87);
}
myGLCD.print("0", 267, 87);
// Draw the lower row of buttons
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (10, 130, 150, 180);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (10, 130, 150, 180);
myGLCD.print("Clear", 40, 147);
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (160, 130, 300, 180);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (160, 130, 300, 180);
myGLCD.print("Enter", 190, 147);
myGLCD.setBackColor (0, 0, 0);
}
void updateStr(int val)
{
if (stCurrentLen<20)
{
stCurrent[stCurrentLen]=val;
stCurrent[stCurrentLen+1]='\0';
stCurrentLen++;
myGLCD.setColor(0, 255, 0);
myGLCD.print(stCurrent, LEFT, 224);
}
else
{
myGLCD.setColor(255, 0, 0);
myGLCD.print("BUFFER FULL!", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
delay(500);
myGLCD.print("BUFFER FULL!", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
myGLCD.setColor(0, 255, 0);
}
}
// Draw a red frame while a button is touched
void waitForIt(int x1, int y1, int x2, int y2)
{
myGLCD.setColor(255, 0, 0);
myGLCD.drawRoundRect (x1, y1, x2, y2);
while (myTouch.dataAvailable())
myTouch.read();
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (x1, y1, x2, y2);
}
/*************************
** Required functions **
*************************/
void setup()
{
// Initial setup
myGLCD.InitLCD();
myGLCD.clrScr();
myTouch.InitTouch();
myTouch.setPrecision(PREC_MEDIUM);
myGLCD.setFont(BigFont);
myGLCD.setBackColor(0, 0, 255);
drawButtons();
}
void loop()
{
while (true)
{
if (myTouch.dataAvailable())
{
myTouch.read();
x=myTouch.getX();
y=myTouch.getY();
if ((y>=10) && (y<=60)) // Upper row
{
if ((x>=10) && (x<=60)) // Button: 1
{
waitForIt(10, 10, 60, 60);
updateStr('1');
}
if ((x>=70) && (x<=120)) // Button: 2
{
waitForIt(70, 10, 120, 60);
updateStr('2');
}
if ((x>=130) && (x<=180)) // Button: 3
{
waitForIt(130, 10, 180, 60);
updateStr('3');
}
if ((x>=190) && (x<=240)) // Button: 4
{
waitForIt(190, 10, 240, 60);
updateStr('4');
}
if ((x>=250) && (x<=300)) // Button: 5
{
waitForIt(250, 10, 300, 60);
updateStr('5');
}
}
if ((y>=70) && (y<=120)) // Center row
{
if ((x>=10) && (x<=60)) // Button: 6
{
waitForIt(10, 70, 60, 120);
updateStr('6');
}
if ((x>=70) && (x<=120)) // Button: 7
{
waitForIt(70, 70, 120, 120);
updateStr('7');
}
if ((x>=130) && (x<=180)) // Button: 8
{
waitForIt(130, 70, 180, 120);
updateStr('8');
}
if ((x>=190) && (x<=240)) // Button: 9
{
waitForIt(190, 70, 240, 120);
updateStr('9');
}
if ((x>=250) && (x<=300)) // Button: 0
{
waitForIt(250, 70, 300, 120);
updateStr('0');
}
}
if ((y>=130) && (y<=180)) // Upper row
{
if ((x>=10) && (x<=150)) // Button: Clear
{
waitForIt(10, 130, 150, 180);
stCurrent[0]='\0';
stCurrentLen=0;
myGLCD.setColor(0, 0, 0);
myGLCD.fillRect(0, 224, 319, 239);
}
if ((x>=160) && (x<=300)) // Button: Enter
{
waitForIt(160, 130, 300, 180);
if (stCurrentLen>0)
{
for (x=0; x<stCurrentLen+1; x++)
{
stLast[x]=stCurrent[x];
}
stCurrent[0]='\0';
stCurrentLen=0;
myGLCD.setColor(0, 0, 0);
myGLCD.fillRect(0, 208, 319, 239);
myGLCD.setColor(0, 255, 0);
myGLCD.print(stLast, LEFT, 208);
}
else
{
myGLCD.setColor(255, 0, 0);
myGLCD.print("BUFFER EMPTY", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
delay(500);
myGLCD.print("BUFFER EMPTY", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
myGLCD.setColor(0, 255, 0);
}
}
}
}
}
}

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// UTouch_Calibration (C)2012 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program can be used to calibrate the touchscreen
// of the display modules.
// This program requires the UTFT library and a touch
// screen module that is compatible with UTFT.
//
// It is assumed that the display module is connected to an
// appropriate shield or that you know how to change the pin
// numbers in the setup.
//
// Instructions will be given on the display.
//
#include <UTFT.h>
#include <UTouch.h>
// Define the orientation of the touch screen. Further
// information can be found in the instructions.
#define TOUCH_ORIENTATION PORTRAIT
// Declare which fonts we will be using
extern uint8_t SmallFont[];
// Uncomment the next two lines for the Arduino 2009/UNO
//UTFT myGLCD(ITDB24D,19,18,17,16); // Remember to change the model parameter to suit your display module!
//UTouch myTouch(15,10,14,9,8);
// Uncomment the next two lines for the Arduino Mega
UTFT myGLCD(ITDB32S,38,39,40,41); // Remember to change the model parameter to suit your display module!
UTouch myTouch(6,5,4,3,2);
// ************************************
// DO NOT EDIT ANYTHING BELOW THIS LINE
// ************************************
uint32_t cx, cy;
uint32_t rx[10], ry[10];
uint32_t clx, crx, cty, cby;
float px, py;
int dispx, dispy, text_y_center;
uint32_t calx, caly, cals;
char buf[13];
void setup()
{
myGLCD.InitLCD();
myGLCD.clrScr();
myGLCD.setFont(SmallFont);
myTouch.InitTouch(TOUCH_ORIENTATION);
myTouch.setPrecision(PREC_LOW);
dispx=myGLCD.getDisplayXSize();
dispy=myGLCD.getDisplayYSize();
text_y_center=(dispy/2)-6;
}
void drawCrossHair(int x, int y)
{
myGLCD.drawRect(x-10, y-10, x+10, y+10);
myGLCD.drawLine(x-5, y, x+5, y);
myGLCD.drawLine(x, y-5, x, y+5);
}
void readCoordinates()
{
int iter = 2000;
int cnt = 0;
uint32_t tx=0;
uint32_t ty=0;
boolean OK = false;
while (OK == false)
{
myGLCD.setColor(255, 255, 255);
myGLCD.print("* PRESS *", CENTER, text_y_center);
while (myTouch.dataAvailable() == false) {}
myGLCD.print("* HOLD! *", CENTER, text_y_center);
while ((myTouch.dataAvailable() == true) && (cnt<iter))
{
myTouch.read();
if (!((myTouch.TP_X==65535) || (myTouch.TP_Y==65535)))
{
tx += myTouch.TP_X;
ty += myTouch.TP_Y;
cnt++;
}
}
if (cnt>=iter)
{
OK = true;
}
else
{
tx = 0;
ty = 0;
cnt = 0;
}
}
cx = tx / iter;
cy = ty / iter;
}
void calibrate(int x, int y, int i)
{
myGLCD.setColor(255, 255, 255);
drawCrossHair(x,y);
myGLCD.setBackColor(255, 0, 0);
readCoordinates();
myGLCD.setColor(255, 255, 255);
myGLCD.print("* RELEASE *", CENTER, text_y_center);
myGLCD.setColor(80, 80, 80);
drawCrossHair(x,y);
rx[i]=cx;
ry[i]=cy;
while (myTouch.dataAvailable() == true)
{
myTouch.read();
}
}
void waitForTouch()
{
while (myTouch.dataAvailable() == true)
{
myTouch.read();
}
while (myTouch.dataAvailable() == false) {}
while (myTouch.dataAvailable() == true)
{
myTouch.read();
}
}
void toHex(uint32_t num)
{
buf[0] = '0';
buf[1] = 'x';
buf[10] = 'U';
buf[11] = 'L';
buf[12] = 0;
for (int zz=9; zz>1; zz--)
{
if ((num & 0xF) > 9)
buf[zz] = (num & 0xF) + 55;
else
buf[zz] = (num & 0xF) + 48;
num=num>>4;
}
}
void startup()
{
myGLCD.setColor(255, 0, 0);
myGLCD.fillRect(0, 0, dispx-1, 13);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.drawLine(0, 14, dispx-1, 14);
myGLCD.print("UTouch Calibration", CENTER, 1);
myGLCD.setBackColor(0, 0, 0);
if (dispx==220)
{
myGLCD.print("Use a stylus or something", LEFT, 30);
myGLCD.print("similar to touch as close", LEFT, 42);
myGLCD.print("to the center of the", LEFT, 54);
myGLCD.print("highlighted crosshair as", LEFT, 66);
myGLCD.print("possible. Keep as still as", LEFT, 78);
myGLCD.print("possible and keep holding", LEFT, 90);
myGLCD.print("until the highlight is", LEFT, 102);
myGLCD.print("removed. Repeat for all", LEFT, 114);
myGLCD.print("crosshairs in sequence.", LEFT, 126);
myGLCD.print("Touch screen to continue", CENTER, 162);
}
else
{
myGLCD.print("INSTRUCTIONS", CENTER, 30);
myGLCD.print("Use a stylus or something similar to", LEFT, 50);
myGLCD.print("touch as close to the center of the", LEFT, 62);
myGLCD.print("highlighted crosshair as possible. Keep", LEFT, 74);
myGLCD.print("as still as possible and keep holding", LEFT, 86);
myGLCD.print("until the highlight is removed. Repeat", LEFT, 98);
myGLCD.print("for all crosshairs in sequence.", LEFT, 110);
myGLCD.print("Further instructions will be displayed", LEFT, 134);
myGLCD.print("when the calibration is complete.", LEFT, 146);
myGLCD.print("Do NOT use your finger as a calibration", LEFT, 170);
myGLCD.print("stylus or the result WILL BE imprecise.", LEFT, 182);
myGLCD.print("Touch screen to continue", CENTER, 226);
}
waitForTouch();
myGLCD.clrScr();
}
void done()
{
myGLCD.clrScr();
myGLCD.setColor(255, 0, 0);
myGLCD.fillRect(0, 0, dispx-1, 13);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.drawLine(0, 14, dispx-1, 14);
myGLCD.print("UTouch Calibration", CENTER, 1);
myGLCD.setBackColor(0, 0, 0);
if (dispx==220)
{
myGLCD.print("To use the new calibration", LEFT, 30);
myGLCD.print("settings you must edit the", LEFT, 42);
myGLCD.setColor(160, 160, 255);
myGLCD.print("UTouchCD.h", LEFT, 54);
myGLCD.setColor(255, 255, 255);
myGLCD.print("file and change", 88, 54);
myGLCD.print("the following values. The", LEFT, 66);
myGLCD.print("values are located right", LEFT, 78);
myGLCD.print("below the opening comment.", LEFT, 90);
myGLCD.print("CAL_X", LEFT, 110);
myGLCD.print("CAL_Y", LEFT, 122);
myGLCD.print("CAL_S", LEFT, 134);
toHex(calx);
myGLCD.print(buf, 75, 110);
toHex(caly);
myGLCD.print(buf, 75, 122);
toHex(cals);
myGLCD.print(buf, 75, 134);
}
else
{
myGLCD.print("CALIBRATION COMPLETE", CENTER, 30);
myGLCD.print("To use the new calibration", LEFT, 50);
myGLCD.print("settings you must edit the", LEFT, 62);
myGLCD.setColor(160, 160, 255);
myGLCD.print("UTouchCD.h", LEFT, 74);
myGLCD.setColor(255, 255, 255);
myGLCD.print("file and change", 88, 74);
myGLCD.print("the following values.", LEFT, 86);
myGLCD.print("The values are located right", LEFT, 98);
myGLCD.print("below the opening comment in", LEFT, 110);
myGLCD.print("the file.", LEFT, 122);
myGLCD.print("CAL_X", LEFT, 150);
myGLCD.print("CAL_Y", LEFT, 162);
myGLCD.print("CAL_S", LEFT, 174);
toHex(calx);
myGLCD.print(buf, 75, 150);
toHex(caly);
myGLCD.print(buf, 75, 162);
toHex(cals);
myGLCD.print(buf, 75, 174);
}
}
void loop()
{
startup();
myGLCD.setColor(80, 80, 80);
drawCrossHair(dispx-11, 10);
drawCrossHair(dispx/2, 10);
drawCrossHair(10, 10);
drawCrossHair(dispx-11, dispy/2);
drawCrossHair(10, dispy/2);
drawCrossHair(dispx-11, dispy-11);
drawCrossHair(dispx/2, dispy-11);
drawCrossHair(10, dispy-11);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.print("***********", CENTER, text_y_center-12);
myGLCD.print("***********", CENTER, text_y_center+12);
calibrate(10, 10, 0);
calibrate(10, dispy/2, 1);
calibrate(10, dispy-11, 2);
calibrate(dispx/2, 10, 3);
calibrate(dispx/2, dispy-11, 4);
calibrate(dispx-11, 10, 5);
calibrate(dispx-11, dispy/2, 6);
calibrate(dispx-11, dispy-11, 7);
if (TOUCH_ORIENTATION == LANDSCAPE)
cals=(long(dispx-1)<<12)+(dispy-1);
else
cals=(long(dispy-1)<<12)+(dispx-1);
if (TOUCH_ORIENTATION == PORTRAIT)
px = abs(((float(rx[2]+rx[4]+rx[7])/3)-(float(rx[0]+rx[3]+rx[5])/3))/(dispy-20)); // PORTRAIT
else
px = abs(((float(rx[5]+rx[6]+rx[7])/3)-(float(rx[0]+rx[1]+rx[2])/3))/(dispy-20)); // LANDSCAPE
if (TOUCH_ORIENTATION == PORTRAIT)
{
clx = (((rx[0]+rx[3]+rx[5])/3)); // PORTRAIT
crx = (((rx[2]+rx[4]+rx[7])/3)); // PORTRAIT
}
else
{
clx = (((rx[0]+rx[1]+rx[2])/3)); // LANDSCAPE
crx = (((rx[5]+rx[6]+rx[7])/3)); // LANDSCAPE
}
if (clx<crx)
{
clx = clx - (px*10);
crx = crx + (px*10);
}
else
{
clx = clx + (px*10);
crx = crx - (px*10);
}
if (TOUCH_ORIENTATION == PORTRAIT)
py = abs(((float(ry[5]+ry[6]+ry[7])/3)-(float(ry[0]+ry[1]+ry[2])/3))/(dispx-20)); // PORTRAIT
else
py = abs(((float(ry[0]+ry[3]+ry[5])/3)-(float(ry[2]+ry[4]+ry[7])/3))/(dispx-20)); // LANDSCAPE
if (TOUCH_ORIENTATION == PORTRAIT)
{
cty = (((ry[5]+ry[6]+ry[7])/3)); // PORTRAIT
cby = (((ry[0]+ry[1]+ry[2])/3)); // PORTRAIT
}
else
{
cty = (((ry[0]+ry[3]+ry[5])/3)); // LANDSCAPE
cby = (((ry[2]+ry[4]+ry[7])/3)); // LANDSCAPE
}
if (cty<cby)
{
cty = cty - (py*10);
cby = cby + (py*10);
}
else
{
cty = cty + (py*10);
cby = cby - (py*10);
}
calx = (long(clx)<<14) + long(crx);
caly = (long(cty)<<14) + long(cby);
if (TOUCH_ORIENTATION == LANDSCAPE)
cals = cals + (1L<<31);
done();
while(true) {}
}

48
digistump-sam/libraries/UTouch/examples/Arduino/UTouch_QuickDraw/UTouch_QuickDraw.pde Normal file
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// UTouch_QuickDraw (C)2010-2012 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program is a quick demo of how to use the library.
//
// This program requires the UTFT library.
//
// It is assumed that the display module is connected to an
// appropriate shield or that you know how to change the pin
// numbers in the setup.
//
#include <UTFT.h>
#include <UTouch.h>
// Uncomment the next two lines for the Arduino 2009/UNO
//UTFT myGLCD(ITDB24D,19,18,17,16); // Remember to change the model parameter to suit your display module!
//UTouch myTouch(15,10,14,9,8);
// Uncomment the next two lines for the Arduino Mega
UTFT myGLCD(ITDB32S, 38,39,40,41); // Remember to change the model parameter to suit your display module!
UTouch myTouch(6,5,4,3,2);
void setup()
{
myGLCD.InitLCD();
myGLCD.clrScr();
myTouch.InitTouch();
myTouch.setPrecision(PREC_MEDIUM);
}
void loop()
{
long x, y;
while (myTouch.dataAvailable() == true)
{
myTouch.read();
x = myTouch.getX();
y = myTouch.getY();
if ((x!=-1) and (y!=-1))
{
myGLCD.drawPixel (x, y);
}
}
}

236
digistump-sam/libraries/UTouch/examples/chipKit/UTouch_ButtonTest/UTouch_ButtonTest.pde Normal file
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// UTouch_ButtonTest (C)2010-2012 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program is a quick demo of how create and use buttons.
//
// This program requires the UTFT library.
//
// It is assumed that the display module is connected to an
// appropriate shield or that you know how to change the pin
// numbers in the setup.
//
#include <UTFT.h>
#include <UTouch.h>
// Declare which fonts we will be using
extern uint8_t BigFont[];
// Uncomment the next line for chipKit Uno32
UTFT myGLCD(ITDB24D,34,35,36,37); // Remember to change the model parameter to suit your display module!
UTouch myTouch(20,21,22,23,24);
// Uncomment the next line for chipKit Max32
//UTFT myGLCD(ITDB32S,82,83,84,85); // Remember to change the model parameter to suit your display module!
//UTouch myTouch(62,63,64,65,66);
int x, y;
char stCurrent[20]="";
int stCurrentLen=0;
char stLast[20]="";
/*************************
** Custom functions **
*************************/
void drawButtons()
{
// Draw the upper row of buttons
for (x=0; x<5; x++)
{
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (10+(x*60), 10, 60+(x*60), 60);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (10+(x*60), 10, 60+(x*60), 60);
myGLCD.printNumI(x+1, 27+(x*60), 27);
}
// Draw the center row of buttons
for (x=0; x<5; x++)
{
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (10+(x*60), 70, 60+(x*60), 120);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (10+(x*60), 70, 60+(x*60), 120);
if (x<4)
myGLCD.printNumI(x+6, 27+(x*60), 87);
}
myGLCD.print("0", 267, 87);
// Draw the lower row of buttons
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (10, 130, 150, 180);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (10, 130, 150, 180);
myGLCD.print("Clear", 40, 147);
myGLCD.setColor(0, 0, 255);
myGLCD.fillRoundRect (160, 130, 300, 180);
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (160, 130, 300, 180);
myGLCD.print("Enter", 190, 147);
myGLCD.setBackColor (0, 0, 0);
}
void updateStr(int val)
{
if (stCurrentLen<20)
{
stCurrent[stCurrentLen]=val;
stCurrent[stCurrentLen+1]='\0';
stCurrentLen++;
myGLCD.setColor(0, 255, 0);
myGLCD.print(stCurrent, LEFT, 224);
}
else
{
myGLCD.setColor(255, 0, 0);
myGLCD.print("BUFFER FULL!", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
delay(500);
myGLCD.print("BUFFER FULL!", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
myGLCD.setColor(0, 255, 0);
}
}
// Draw a red frame while a button is touched
void waitForIt(int x1, int y1, int x2, int y2)
{
myGLCD.setColor(255, 0, 0);
myGLCD.drawRoundRect (x1, y1, x2, y2);
while (myTouch.dataAvailable())
myTouch.read();
myGLCD.setColor(255, 255, 255);
myGLCD.drawRoundRect (x1, y1, x2, y2);
}
/*************************
** Required functions **
*************************/
void setup()
{
// Initial setup
myGLCD.InitLCD();
myGLCD.clrScr();
myTouch.InitTouch();
myTouch.setPrecision(PREC_MEDIUM);
myGLCD.setFont(BigFont);
myGLCD.setBackColor(0, 0, 255);
drawButtons();
}
void loop()
{
while (true)
{
if (myTouch.dataAvailable())
{
myTouch.read();
x=myTouch.getX();
y=myTouch.getY();
if ((y>=10) && (y<=60)) // Upper row
{
if ((x>=10) && (x<=60)) // Button: 1
{
waitForIt(10, 10, 60, 60);
updateStr('1');
}
if ((x>=70) && (x<=120)) // Button: 2
{
waitForIt(70, 10, 120, 60);
updateStr('2');
}
if ((x>=130) && (x<=180)) // Button: 3
{
waitForIt(130, 10, 180, 60);
updateStr('3');
}
if ((x>=190) && (x<=240)) // Button: 4
{
waitForIt(190, 10, 240, 60);
updateStr('4');
}
if ((x>=250) && (x<=300)) // Button: 5
{
waitForIt(250, 10, 300, 60);
updateStr('5');
}
}
if ((y>=70) && (y<=120)) // Center row
{
if ((x>=10) && (x<=60)) // Button: 6
{
waitForIt(10, 70, 60, 120);
updateStr('6');
}
if ((x>=70) && (x<=120)) // Button: 7
{
waitForIt(70, 70, 120, 120);
updateStr('7');
}
if ((x>=130) && (x<=180)) // Button: 8
{
waitForIt(130, 70, 180, 120);
updateStr('8');
}
if ((x>=190) && (x<=240)) // Button: 9
{
waitForIt(190, 70, 240, 120);
updateStr('9');
}
if ((x>=250) && (x<=300)) // Button: 0
{
waitForIt(250, 70, 300, 120);
updateStr('0');
}
}
if ((y>=130) && (y<=180)) // Upper row
{
if ((x>=10) && (x<=150)) // Button: Clear
{
waitForIt(10, 130, 150, 180);
stCurrent[0]='\0';
stCurrentLen=0;
myGLCD.setColor(0, 0, 0);
myGLCD.fillRect(0, 224, 319, 239);
}
if ((x>=160) && (x<=300)) // Button: Enter
{
waitForIt(160, 130, 300, 180);
if (stCurrentLen>0)
{
for (x=0; x<stCurrentLen+1; x++)
{
stLast[x]=stCurrent[x];
}
stCurrent[0]='\0';
stCurrentLen=0;
myGLCD.setColor(0, 0, 0);
myGLCD.fillRect(0, 208, 319, 239);
myGLCD.setColor(0, 255, 0);
myGLCD.print(stLast, LEFT, 208);
}
else
{
myGLCD.setColor(255, 0, 0);
myGLCD.print("BUFFER EMPTY", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
delay(500);
myGLCD.print("BUFFER EMPTY", CENTER, 192);
delay(500);
myGLCD.print(" ", CENTER, 192);
myGLCD.setColor(0, 255, 0);
}
}
}
}
}
}

350
digistump-sam/libraries/UTouch/examples/chipKit/UTouch_Calibration/UTouch_Calibration.pde Normal file
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// UTouch_Calibration (C)2012 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program can be used to calibrate the touchscreen
// of the display modules.
// This program requires the UTFT library and a touch
// screen module that is compatible with UTFT.
//
// It is assumed that the display module is connected to an
// appropriate shield or that you know how to change the pin
// numbers in the setup.
//
// Instructions will be given on the display.
//
#include <UTFT.h>
#include <UTouch.h>
// Define the orientation of the touch screen. Further
// information can be found in the instructions.
#define TOUCH_ORIENTATION PORTRAIT
// Declare which fonts we will be using
extern uint8_t SmallFont[];
// Uncomment the next line for chipKit Uno32
UTFT myGLCD(ITDB24D,34,35,36,37); // Remember to change the model parameter to suit your display module!
UTouch myTouch(20,21,22,23,24);
// Uncomment the next line for chipKit Max32
//UTFT myGLCD(ITDB32S,82,83,84,85); // Remember to change the model parameter to suit your display module!
//UTouch myTouch(62,63,64,65,66);
// ************************************
// DO NOT EDIT ANYTHING BELOW THIS LINE
// ************************************
uint32_t cx, cy;
uint32_t rx[10], ry[10];
uint32_t clx, crx, cty, cby;
float px, py;
int dispx, dispy, text_y_center;
uint32_t calx, caly, cals;
char buf[13];
void setup()
{
myGLCD.InitLCD();
myGLCD.clrScr();
myGLCD.setFont(SmallFont);
myTouch.InitTouch(TOUCH_ORIENTATION);
myTouch.setPrecision(PREC_LOW);
dispx=myGLCD.getDisplayXSize();
dispy=myGLCD.getDisplayYSize();
text_y_center=(dispy/2)-6;
}
void drawCrossHair(int x, int y)
{
myGLCD.drawRect(x-10, y-10, x+10, y+10);
myGLCD.drawLine(x-5, y, x+5, y);
myGLCD.drawLine(x, y-5, x, y+5);
}
void readCoordinates()
{
int iter = 2000;
int cnt = 0;
uint32_t tx=0;
uint32_t ty=0;
boolean OK = false;
while (OK == false)
{
myGLCD.setColor(255, 255, 255);
myGLCD.print("* PRESS *", CENTER, text_y_center);
while (myTouch.dataAvailable() == false) {}
myGLCD.print("* HOLD! *", CENTER, text_y_center);
while ((myTouch.dataAvailable() == true) && (cnt<iter))
{
myTouch.read();
if (!((myTouch.TP_X==65535) || (myTouch.TP_Y==65535)))
{
tx += myTouch.TP_X;
ty += myTouch.TP_Y;
cnt++;
}
}
if (cnt>=iter)
{
OK = true;
}
else
{
tx = 0;
ty = 0;
cnt = 0;
}
}
cx = tx / iter;
cy = ty / iter;
}
void calibrate(int x, int y, int i)
{
myGLCD.setColor(255, 255, 255);
drawCrossHair(x,y);
myGLCD.setBackColor(255, 0, 0);
readCoordinates();
myGLCD.setColor(255, 255, 255);
myGLCD.print("* RELEASE *", CENTER, text_y_center);
myGLCD.setColor(80, 80, 80);
drawCrossHair(x,y);
rx[i]=cx;
ry[i]=cy;
while (myTouch.dataAvailable() == true)
{
myTouch.read();
}
}
void waitForTouch()
{
while (myTouch.dataAvailable() == true)
{
myTouch.read();
}
while (myTouch.dataAvailable() == false) {}
while (myTouch.dataAvailable() == true)
{
myTouch.read();
}
}
void toHex(uint32_t num)
{
buf[0] = '0';
buf[1] = 'x';
buf[10] = 'U';
buf[11] = 'L';
buf[12] = 0;
for (int zz=9; zz>1; zz--)
{
if ((num & 0xF) > 9)
buf[zz] = (num & 0xF) + 55;
else
buf[zz] = (num & 0xF) + 48;
num=num>>4;
}
}
void startup()
{
myGLCD.setColor(255, 0, 0);
myGLCD.fillRect(0, 0, dispx-1, 13);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.drawLine(0, 14, dispx-1, 14);
myGLCD.print("UTouch Calibration", CENTER, 1);
myGLCD.setBackColor(0, 0, 0);
if (dispx==220)
{
myGLCD.print("Use a stylus or something", LEFT, 30);
myGLCD.print("similar to touch as close", LEFT, 42);
myGLCD.print("to the center of the", LEFT, 54);
myGLCD.print("highlighted crosshair as", LEFT, 66);
myGLCD.print("possible. Keep as still as", LEFT, 78);
myGLCD.print("possible and keep holding", LEFT, 90);
myGLCD.print("until the highlight is", LEFT, 102);
myGLCD.print("removed. Repeat for all", LEFT, 114);
myGLCD.print("crosshairs in sequence.", LEFT, 126);
myGLCD.print("Touch screen to continue", CENTER, 162);
}
else
{
myGLCD.print("INSTRUCTIONS", CENTER, 30);
myGLCD.print("Use a stylus or something similar to", LEFT, 50);
myGLCD.print("touch as close to the center of the", LEFT, 62);
myGLCD.print("highlighted crosshair as possible. Keep", LEFT, 74);
myGLCD.print("as still as possible and keep holding", LEFT, 86);
myGLCD.print("until the highlight is removed. Repeat", LEFT, 98);
myGLCD.print("for all crosshairs in sequence.", LEFT, 110);
myGLCD.print("Further instructions will be displayed", LEFT, 134);
myGLCD.print("when the calibration is complete.", LEFT, 146);
myGLCD.print("Do NOT use your finger as a calibration", LEFT, 170);
myGLCD.print("stylus or the result WILL BE imprecise.", LEFT, 182);
myGLCD.print("Touch screen to continue", CENTER, 226);
}
waitForTouch();
myGLCD.clrScr();
}
void done()
{
myGLCD.clrScr();
myGLCD.setColor(255, 0, 0);
myGLCD.fillRect(0, 0, dispx-1, 13);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.drawLine(0, 14, dispx-1, 14);
myGLCD.print("UTouch Calibration", CENTER, 1);
myGLCD.setBackColor(0, 0, 0);
if (dispx==220)
{
myGLCD.print("To use the new calibration", LEFT, 30);
myGLCD.print("settings you must edit the", LEFT, 42);
myGLCD.setColor(160, 160, 255);
myGLCD.print("UTouchCD.h", LEFT, 54);
myGLCD.setColor(255, 255, 255);
myGLCD.print("file and change", 88, 54);
myGLCD.print("the following values. The", LEFT, 66);
myGLCD.print("values are located right", LEFT, 78);
myGLCD.print("below the opening comment.", LEFT, 90);
myGLCD.print("CAL_X", LEFT, 110);
myGLCD.print("CAL_Y", LEFT, 122);
myGLCD.print("CAL_S", LEFT, 134);
toHex(calx);
myGLCD.print(buf, 75, 110);
toHex(caly);
myGLCD.print(buf, 75, 122);
toHex(cals);
myGLCD.print(buf, 75, 134);
}
else
{
myGLCD.print("CALIBRATION COMPLETE", CENTER, 30);
myGLCD.print("To use the new calibration", LEFT, 50);
myGLCD.print("settings you must edit the", LEFT, 62);
myGLCD.setColor(160, 160, 255);
myGLCD.print("UTouchCD.h", LEFT, 74);
myGLCD.setColor(255, 255, 255);
myGLCD.print("file and change", 88, 74);
myGLCD.print("the following values.", LEFT, 86);
myGLCD.print("The values are located right", LEFT, 98);
myGLCD.print("below the opening comment in", LEFT, 110);
myGLCD.print("the file.", LEFT, 122);
myGLCD.print("CAL_X", LEFT, 150);
myGLCD.print("CAL_Y", LEFT, 162);
myGLCD.print("CAL_S", LEFT, 174);
toHex(calx);
myGLCD.print(buf, 75, 150);
toHex(caly);
myGLCD.print(buf, 75, 162);
toHex(cals);
myGLCD.print(buf, 75, 174);
}
}
void loop()
{
startup();
myGLCD.setColor(80, 80, 80);
drawCrossHair(dispx-11, 10);
drawCrossHair(dispx/2, 10);
drawCrossHair(10, 10);
drawCrossHair(dispx-11, dispy/2);
drawCrossHair(10, dispy/2);
drawCrossHair(dispx-11, dispy-11);
drawCrossHair(dispx/2, dispy-11);
drawCrossHair(10, dispy-11);
myGLCD.setColor(255, 255, 255);
myGLCD.setBackColor(255, 0, 0);
myGLCD.print("***********", CENTER, text_y_center-12);
myGLCD.print("***********", CENTER, text_y_center+12);
calibrate(10, 10, 0);
calibrate(10, dispy/2, 1);
calibrate(10, dispy-11, 2);
calibrate(dispx/2, 10, 3);
calibrate(dispx/2, dispy-11, 4);
calibrate(dispx-11, 10, 5);
calibrate(dispx-11, dispy/2, 6);
calibrate(dispx-11, dispy-11, 7);
if (TOUCH_ORIENTATION == LANDSCAPE)
cals=(long(dispx-1)<<12)+(dispy-1);
else
cals=(long(dispy-1)<<12)+(dispx-1);
if (TOUCH_ORIENTATION == PORTRAIT)
px = abs(((float(rx[2]+rx[4]+rx[7])/3)-(float(rx[0]+rx[3]+rx[5])/3))/(dispy-20)); // PORTRAIT
else
px = abs(((float(rx[5]+rx[6]+rx[7])/3)-(float(rx[0]+rx[1]+rx[2])/3))/(dispy-20)); // LANDSCAPE
if (TOUCH_ORIENTATION == PORTRAIT)
{
clx = (((rx[0]+rx[3]+rx[5])/3)); // PORTRAIT
crx = (((rx[2]+rx[4]+rx[7])/3)); // PORTRAIT
}
else
{
clx = (((rx[0]+rx[1]+rx[2])/3)); // LANDSCAPE
crx = (((rx[5]+rx[6]+rx[7])/3)); // LANDSCAPE
}
if (clx<crx)
{
clx = clx - (px*10);
crx = crx + (px*10);
}
else
{
clx = clx + (px*10);
crx = crx - (px*10);
}
if (TOUCH_ORIENTATION == PORTRAIT)
py = abs(((float(ry[5]+ry[6]+ry[7])/3)-(float(ry[0]+ry[1]+ry[2])/3))/(dispx-20)); // PORTRAIT
else
py = abs(((float(ry[0]+ry[3]+ry[5])/3)-(float(ry[2]+ry[4]+ry[7])/3))/(dispx-20)); // LANDSCAPE
if (TOUCH_ORIENTATION == PORTRAIT)
{
cty = (((ry[5]+ry[6]+ry[7])/3)); // PORTRAIT
cby = (((ry[0]+ry[1]+ry[2])/3)); // PORTRAIT
}
else
{
cty = (((ry[0]+ry[3]+ry[5])/3)); // LANDSCAPE
cby = (((ry[2]+ry[4]+ry[7])/3)); // LANDSCAPE
}
if (cty<cby)
{
cty = cty - (py*10);
cby = cby + (py*10);
}
else
{
cty = cty + (py*10);
cby = cby - (py*10);
}
calx = (long(clx)<<14) + long(crx);
caly = (long(cty)<<14) + long(cby);
if (TOUCH_ORIENTATION == LANDSCAPE)
cals = cals + (1L<<31);
done();
while(true) {}
}

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digistump-sam/libraries/UTouch/examples/chipKit/UTouch_QuickDraw/UTouch_QuickDraw.pde Normal file
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// UTouch_QuickDraw (C)2010-2012 Henning Karlsen
// web: http://www.henningkarlsen.com/electronics
//
// This program is a quick demo of how to use the library.
//
// This program requires the UTFT library.
//
// It is assumed that the display module is connected to an
// appropriate shield or that you know how to change the pin
// numbers in the setup.
//
#include <UTFT.h>
#include <UTouch.h>
// Uncomment the next line for chipKit Uno32
UTFT myGLCD(ITDB24D,34,35,36,37); // Remember to change the model parameter to suit your display module!
UTouch myTouch(20,21,22,23,24);
// Uncomment the next line for chipKit Max32
//UTFT myGLCD(ITDB32S,82,83,84,85); // Remember to change the model parameter to suit your display module!
//UTouch myTouch(62,63,64,65,66);
void setup()
{
myGLCD.InitLCD();
myGLCD.clrScr();
myTouch.InitTouch();
myTouch.setPrecision(PREC_MEDIUM);
}
void loop()
{
long x, y;
while (myTouch.dataAvailable() == true)
{
myTouch.read();
x = myTouch.getX();
y = myTouch.getY();
if ((x!=-1) and (y!=-1))
myGLCD.drawPixel (x, y);
}
}

17
digistump-sam/libraries/UTouch/keywords.txt Normal file
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UTouch KEYWORD1
InitTouch KEYWORD2
read KEYWORD2
dataAvailable KEYWORD2
getX KEYWORD2
getY KEYWORD2
setPrecision KEYWORD2
PREC_LOW LITERAL1
PREC_MEDIUM LITERAL1
PREC_HI LITERAL1
PREC_EXTREME LITERAL1
PORTRAIT LITERAL1
LANDSCAPE LITERAL1
TP_X LITERAL1
TP_Y LITERAL1

5
digistump-sam/libraries/UTouch/version.txt Normal file
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Version:
1.0 1 Dec 2012 - initial release
1.1 23 May 2013 - added support for more display modules
modified calibration to try to compensate for slight flaws in some (larger) touchscreens
changed license to CC BY-NC-SA 3.0