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sâmbătă, 13 septembrie 2014

Arduino Due si afisajul QVGA de 2,2" (5,6cm) comandat de ILI9341

   Dupa ce am constatat ca datele pe afisajul color cu driver ILI9341 se "misca" greu, am achizitionat si o placa de dezvoltare Arduino Due,
care seamana foarte mult cu Arduino Mega.
   Fata de generata anterioara, care lucra la frecventa de 16MHz, 32k de memorie de lucru la Uno, respectiv 256k memorie de lucru la Mega si tensiunile de comanda de 5V, Due foloseste un procesor AT91SAM3X8E  pe 32 de biti, care lucreza la 84MHz, 512k memorie pentru aplicatii, iar tensiunile de lucru sunt de 3,3V.
   Prima treba care am facut-o a fost sa inlocuiesc programul Arduino IDE cu versiunea care recunoaste pe Arduino Due si aceasta este Arduino Ide 1.5.7 Beta.
   Dupa scurte teste de incarcare si clipire de LED-uri, am trecut la inlocuirea placii Arduino Mega de la statia meteo cu senzorul DS18B20 si DHT11, pe care am prezentat-o in articolul anterior. Am eliminat si interfata logica realizata cu integratul CD4050, deoarece, atat placa Arduino Due, cat si afisajul cu driver ILI9341 lucreaza la 3,3V.
   Am testat intai exemple cu libraria grafica ucglib, facand si un filmulet numit test afisaj 2,2" cu ILI9341 si libraria ucglib cu Arduino Due
   A trebuit sa update-z si libraria pentru senzorii din seria DHT, pentru a lucru cu Due, chiar pe site-ul lui Arduino, aceasta se gaseste in articolul Class for DHTxx sensors (xx = 11-21-22-33-44).
   Am adaugat si senzorul de presiune BMP180 pentru a avea o ministatie meteo cat mai completa, obtinand pe ecran ceva de genul:
iar filmul care prezinta acest montaj se numeste ministatie meteo cu DHT11, DS18B20 si BMP180 pe ecran TFT de 2.2" cu ILI9341 pe un Arduino Due
   Schema de conectare este asemanatoare celei din articolul precedent, doar ca este eliminat integratul de interfatare (CD4050), si se tine cont ca esta un conector SPI dedicat (langa procesor, deasupra inscriptiei DUE). Senzorul de umiditate cu DHT11 este conectat la pinul D37 fiind alimentat la 3,3V ca si senzorul BMP180, care este conectat prin protocol i2c la SDA (D20) si SCL (D21).
   Sketch-ul ultimei variante este: 
/*
original sketch by niq_ro from http://nicuflorica.blogspot.com using ucglib library
version for 2.2" TFT with ILI9341  - 2014.07.29, Craiova - Romania
use Universal uC Color Graphics Library from https://code.google.com/p/ucglib/
*/
#include <SPI.h>
#include "Ucglib.h"
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 6 , /*cs=*/ 5, /*reset=*/ 4); // at Uno
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); // at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 52, /*data=*/ 51, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 76, /*data=*/ 75, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega or Due
/*

Due  |Mega | Uno | TFT - ILI9341
----------------------
D22  | D22 | D4  | RESET
D24  | D24 | D5  | CS
D26  | D26 | D6  | D/C
 ?   | ?   | LED (via 220 ohms resistor at 5V)
MOSI | D51 | D11 | MOSI
MISO | D50 | D12 | MISO
SCK  | D52 | D13 | SCK
-----------------------------
with CD4050 adapter or 10k resistor, power supply and logical levels is 3.3V
schematic: http://nicuflorica.blogspot.ro/2014/07/afisaj-grafic-color-qvga-de-22-cu.html
*/

#include <dht.h> 
// from http://playground.arduino.cc/Main/DHTLib
dht DHT;

// https://github.com/adafruit/Adafruit-BMP085-Library
#include <Wire.h>
#include <Adafruit_BMP085.h>
Adafruit_BMP085 bmp;

float t1, t2;
float t10, t20;
float t11, t21;
float t12, t22;
float t13, t23;
int h11, h12;
int p1, p2;

void setup() {
delay(1000);
bmp.begin();

ucg.begin(UCG_FONT_MODE_TRANSPARENT);
ucg.clearScreen();
ucg.setFont(ucg_font_ncenR14r);
ucg.setColor(255, 0, 255);
ucg.setColor(1, 255, 0,0);

  ucg.setRotate90();
  ucg.setColor(255, 255, 255); // culoare alba
  ucg.drawFrame(0,0,320,240); //   
  ucg.setFont(ucg_font_courB24); // 20 pixel height
  ucg.setColor(255, 0, 0); // culoare rosie
  ucg.setPrintPos(60,30);
  ucg.print("Ministatie");
  ucg.setColor(0, 255, 0); // culoare verde
  ucg.setColor(0, 255, 0);
  ucg.setColor(0, 0, 255); // culoare albastru
  ucg.setPrintPos(17, 60);
  ucg.print("meteo cu DHT11");
  ucg.setPrintPos(55, 90);
  ucg.setColor(5, 255, 0); // culoare verde
  ucg.print("si BMP180");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 0); // culoare galbena
  ucg.setPrintPos(25,120);
  ucg.print("ecran grafic 2,2'' (5,6cm)");
  ucg.setFont(ucg_font_courB24); // 20 pixel height 
  ucg.setColor(0, 255, 255); // culoare bleo
  ucg.setPrintPos(10,150);
  ucg.print("QVGA cu ILI9341");
  ucg.setColor(255, 0, 255); // culoare mov
  ucg.setPrintPos(20,180);
  ucg.print("versiune 4.4.0");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 255); // culoare alb
  ucg.setPrintPos(60,210);
  ucg.print("realizat de niq_ro");

delay(5000);
ucg.clearScreen();
t13=40.0;
h12=40.0;
p2 = 900;
}

void loop() {
 // BMP180 part 
 int p1 = bmp.readPressure()/101.325;
 p1 = p1 * 0.760;
     
 // DHT11 part
 int chk = DHT.read11(37);
 delay(1000);
// timeout;
 int h11 = DHT.humidity; 
 if (DHT.humidity < 0) h11 = 0;

// BMP180 part 2
t12 = bmp.readTemperature();
int t15 = t12;
float t16 = 10*t15;
t16 = t16/10;

t16 = t12;
if (t16 != t13) 
{
temperaturi(t16, t13, 20, 0); // temperature, old temperature, x,y
termometre(t16, 20);
}

if (h11 != h12) 
{
// umiditate(h11, h12, 115, 90); // humidity, old humidity, x, y
 umiditate(h11, h12, 40, 180); // humidity, old humidity, x, y
 barca (h11, h12);
}


if (p1 != p2) 
{
 presiune(p1, p2, 100, 60); // pressure, old pressure, x, y
// barca (h11, h12);
}



//}
delay (2000); 
t13=t16;
h12=h11;
p2=p1;
} // final de program, se revine de la inceput

void temperaturi(float t3, float t4, int ics, int igrec)
{
int t5 = t3;
int t6 = t4;
ucg.setFont(ucg_font_courB24);    
if (t3*t4 < 0)
{ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+7, qy + igrec , 105);
}
}
int t51 = t5/10;
int t61 = t6/10;
ucg.setColor(0, 0, 0); 
if (t51 != t61)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+28, qy + igrec , 21);
}
}
t5 = t3 - t51*10;
t6 = t4 - t61*10;
if (t5 != t6)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+49, qy + igrec , 21);
}
} 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+91, qy + igrec , 21);
}
ucg.setColor(255, 0, 0);  
ucg.setPrintPos(10 + ics, 30 + igrec);
//ucg.print("t  :"); 
ucg.print("temperatura:"); 
ucg.setPrintPos(10 + ics, 60 + igrec);
if (t3 > 10.0) ucg.print("+");
else
 if (t3>0.0) ucg.print(" +");
else
 if (t3<0.0)
{
 t3=-t3;
 if (t3 > 10.0) ucg.print("-");
else
 if (t3 > 0.0) ucg.print(" -");
}  
if (t3==0.0) ucg.print("  ");
ucg.print(t3,1); 
ucg.print(" C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(30 + ics, 35 + igrec);
//if (igrec == 0) ucg.print("int"); 
//else ucg.print("ext"); 
ucg.setPrintPos(115 + ics, 50 + igrec);
ucg.print("o"); 

ucg.setPrintPos(75 + ics, 60 + igrec);
ucg.print(",");


}

void termometre (float t, int ics1)
{
ucg.setColor(255, 255, 255);  
ucg.drawFrame(ics1-4,10,9,200); 
ucg.drawCircle(ics1,220,10,UCG_DRAW_ALL);  
for (int a = 0; a < 10; a++)
{
ucg.drawLine(ics1-5,20+20*a,ics1-7,20+20*a);
ucg.drawLine(ics1+5,20+20*a,ics1+7,20+20*a);
}
ucg.drawLine(ics1-10,140,ics1+10,140);  
ucg.setFont(ucg_font_courB24);    
ucg.setPrintPos(13 + ics1, 149);
ucg.print("0 C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(37 + ics1, 135);
ucg.print("o"); 
int lin = 140 - 2*t;
ucg.setColor(0, 0, 0);  // black 
ucg.drawBox(ics1-2,21, 5, lin+5);
ucg.setColor(255, 0, 0);  
ucg.drawDisc(ics1,220,8,UCG_DRAW_ALL);  
ucg.drawBox(ics1-2,lin, 5, 210-lin);
}

void umiditate(int h3, int h4, int zet, int igrec1)
{
  ucg.setFont(ucg_font_courB24); // 20 pixel height   

// sterg semnul ??
int h51 = h3/10;
int h61 = h4/10;

ucg.setColor(0, 0, 0); 

// sterg zeci daca e cazul
if (h51 != h61)
{
//ucg.setColor(255, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
//  ucg.drawHLine(zet+28, qy + igrec1 , 21);
  ucg.drawHLine(zet+40, qy + igrec1, 42);
}
}
  int h5 = h3 - h51*10;
  int h6 = h4 - h61*10;

// sterg unitati daca e cazul
//if ((t5 != t6) || (t5-t6>0.2))
if (h5 != h6)
{
//ucg.setColor(0, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+79, qy + igrec1 , 21);
}
} 

 ucg.setColor(0, 255, 255);  
 ucg.setPrintPos(zet, 30 + igrec1);
 ucg.print("umiditate:"); 


//ucg.setFont(ucg_font_fub42n); // 20 pixel height   
ucg.setPrintPos(40 + zet, 60 + igrec1);
//if (h3 > 10) ucg.print("+");
if (h3 > 10) ucg.print(" ");
else
{
//ucg.setColor(255, 255, 255); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+40, qy + igrec1 , 42);
}
if (igrec1 <30) ucg.setColor(255, 255, 0);  
else ucg.setColor(0, 255, 255); 
ucg.setPrintPos(61 + zet, 60 + igrec1);
//ucg.print("+");
ucg.print(" ");
}
 ucg.print(h3); 
 ucg.print("%"); 
}


void barca (int h, int h2) // new humidity, old humidity.,
{
int xx = 280; 
int yy = 230;

//sterg barca
//ucg.setColor(100,100,100);  
ucg.setColor(0,0,0);  
ucg.drawBox(xx-25, yy-20-h2, 50, 30);


//sterg apa
//ucg.setColor(125, 125, 125);  
ucg.setColor(0, 0, 0);  
ucg.drawBox(xx-35, yy+10-h2, 70, h2-h);

//desenez apa
ucg.setColor(0, 255, 255);  
ucg.drawBox(xx-35, yy+10-h, 70, h);

//desenz barcuta;
//desenez carena
ucg.setColor(255, 255, 0);  
ucg.drawBox(xx-20, yy-h, 40, 10);
ucg.drawTriangle(xx-25, yy-h, xx-20, yy-h, xx-20, yy+10-h);
ucg.drawTriangle(xx+25, yy-h, xx+20, yy-h, xx+20, yy+10-h);
//desenez catarg
ucg.drawBox(xx-1, yy-20-h, 2, 20);
//desenez velele
ucg.setColor(0, 0, 255); // vela albastra  
ucg.drawTriangle(xx+2, yy-20-h, xx+2, yy-h, xx+20, yy-h);
ucg.setColor(255, 0, 0); // vela rosie  
ucg.drawTriangle(xx-2, yy-15-h, xx-2, yy-h, xx-20, yy-h);
}

void presiune (int p3, int p4, int zeti, int igreci)
{
  ucg.setFont(ucg_font_courB24); // 20 pixel height   

// sterg semnul ??
int p51 = p3/10;
int p61 = p4/10;

//ucg.setColor(0, 0, 0); 
ucg.setColor(100, 0, 0); 

// sterg zeci daca e cazul
if (p51 != p61)
{
//ucg.setColor(255, 255, 255); 
ucg.setColor(0, 0, 0); 
for (int qy3 = 39 ; qy3 < 60; qy3++) 
{
//  ucg.drawHLine(zet+28, qy + igrec1 , 21);
//  ucg.drawHLine(zeti+40, qy3 + igreci, 42);
  ucg.drawHLine(zeti+61, qy3 + igreci, 42);
}
}
  int p5 = p3 - p51*10;
  int p6 = p4 - p61*10;

// sterg unitati daca e cazul
//if ((t5 != t6) || (t5-t6>0.2))
if (p5 != p6)
{
//ucg.setColor(0, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy4 = 39 ; qy4 < 60; qy4++) 
{
//  ucg.drawHLine(zeti+79, qy4 + igreci , 21);
  ucg.drawHLine(zeti+100, qy4 + igreci , 21);
}
} 

 ucg.setColor(255, 255, 0);  
 ucg.setPrintPos(zeti, 30 + igreci);
 ucg.print("presiune:"); 


//ucg.setFont(ucg_font_fub42n); // 20 pixel height   
ucg.setPrintPos(40 + zeti, 60 + igreci);
//if (h3 > 10) ucg.print("+");
if (p3 > 10) ucg.print(" ");
else
{
//ucg.setColor(255, 255, 255); 
ucg.setColor(0, 0, 0); 
for (int qy5 = 39 ; qy5 < 60; qy5++) 
{
//  ucg.drawHLine(zeti+40, qy5 + igreci , 42);
  ucg.drawHLine(zeti+61, qy5 + igreci , 42);
}
ucg.setColor(255, 255, 0); 
ucg.setPrintPos(61 + zeti, 60 + igreci);
//ucg.print("+");
ucg.print(" ");
}
 ucg.print(p3); 
 ucg.print("mm Hg"); 
}
   Filmuletul, care prezinta modul de functionare, este ministatie meteo cu DHT11 si BMP180 pe ecran TFT de 2.2" cu ILI9341 pe un Arduino Due
15.9.2014     Pentru a aparea confuzii la modul de conectare al afisajului si senzorilor, pe forumul Arduino la http://forum.arduino.cc/index.php/topic,132130.0.html este prezentata placa de dezvoltare Arduino Due, foarte explicit:
   In programul Fritzing.org se gaseste si placa Arduino Due, din care am facut o captura de ecran si am subliniat conectorul SPI folosit pentru controlul afisajului:
   Am desenat si partea de conectare a afisajului cu driver ILI9341, folosindu-ma de imaginea dinainte:
iar conectarea senzorilor la placa Arduino Due se face astfel:


20.09.2014
   Pentru prietenul meu, Adrian Roman, am modificat sketch-ul pentru a folosi doar informatiile de la senzorul DHT11 (am eliminat partea de BMP180):
   Sketck-ul simplificat este:
/*
original sketch by niq_ro from http://nicuflorica.blogspot.com using ucglib library
version for 2.2" TFT with ILI9341  - 2014.07.29, Craiova - Romania
use Universal uC Color Graphics Library from https://code.google.com/p/ucglib/
*/
#include <SPI.h>
#include "Ucglib.h"
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 6 , /*cs=*/ 5, /*reset=*/ 4); // at Uno
//Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); // at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 52, /*data=*/ 51, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
//Ucglib_ILI9341_18x240x320_SWSPI ucg(/*sclk=*/ 76, /*data=*/ 75, /*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega
Ucglib_ILI9341_18x240x320_HWSPI ucg(/*cd=*/ 26 , /*cs=*/ 24, /*reset=*/ 22); //at Mega and Due
/*

Due  |Mega | Uno | TFT - ILI9341
----------------------
D22  | D22 | D4  | RESET
D24  | D24 | D5  | CS
D26  | D26 | D6  | D/C
 ?   | ?   | LED (via 220 ohms resistor at 5V)
MOSI | D51 | D11 | MOSI
MISO | D50 | D12 | MISO
SCK  | D52 | D13 | SCK
-----------------------------
with CD4050 adapter or 10k resistor, power supply and logical levels is 3.3V
schematic: http://nicuflorica.blogspot.ro/2014/07/afisaj-grafic-color-qvga-de-22-cu.html
*/

#include <dht.h> 
// from http://playground.arduino.cc/Main/DHTLib
dht DHT;

float t1, t2;
float t10, t20;
float t11, t21;
float t12, t22;
float t13, t23;
int h11, h12;

void setup() {
delay(1000);

ucg.begin(UCG_FONT_MODE_TRANSPARENT);
ucg.clearScreen();
ucg.setFont(ucg_font_ncenR14r);
ucg.setColor(255, 0, 255);
ucg.setColor(1, 255, 0,0);

  ucg.setRotate90();
  ucg.setColor(255, 255, 255); // culoare alba
  ucg.drawFrame(0,0,320,240); //   
  ucg.setFont(ucg_font_courB24); // 20 pixel height
  ucg.setColor(255, 0, 0); // culoare rosie
  ucg.setPrintPos(60,30);
  ucg.print("Ministatie");
  ucg.setColor(0, 255, 0); // culoare verde
  ucg.setColor(0, 255, 0);
  ucg.setColor(0, 0, 255); // culoare albastru
  ucg.setPrintPos(17, 60);
  ucg.print("meteo cu DHT11");
//  ucg.setPrintPos(55, 90);
//  ucg.setColor(5, 255, 0); // culoare verde
//  ucg.print("si BMP180");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 0); // culoare galbena
  ucg.setPrintPos(25,120);
  ucg.print("ecran grafic 2,2'' (5,6cm)");
  ucg.setFont(ucg_font_courB24); // 20 pixel height 
  ucg.setColor(0, 255, 255); // culoare bleo
  ucg.setPrintPos(10,150);
  ucg.print("QVGA cu ILI9341");
  ucg.setColor(255, 0, 255); // culoare mov
  ucg.setPrintPos(20,180);
  ucg.print("versiune 4.5.0");
  ucg.setFont(ucg_font_fur17r); // 17 pixel height
  ucg.setColor(255, 255, 255); // culoare alb
  ucg.setPrintPos(60,210);
  ucg.print("realizare niq_ro");

delay(5000);
ucg.clearScreen();
t13=40.0;
h12=40.0;
}

void loop() {
     
 // DHT11 part
 int chk = DHT.read11(37);
 delay(1000);
// timeout;
 int h11 = DHT.humidity; 
 if (DHT.humidity < 0) h11 = 0;

 int t12 = DHT.temperature;
int t15 = t12;
float t16 = 10*t15;
t16 = t16/10;

t16 = t12;
if (t16 != t13) 
{
temperaturi(t16, t13, 20, 0); // temperature, old temperature, x,y
termometre(t16, 20);
}

if (h11 != h12) 
{
// umiditate(h11, h12, 115, 90); // humidity, old humidity, x, y
 umiditate(h11, h12, 40, 180); // humidity, old humidity, x, y
 barca (h11, h12);
}




//}
delay (30000); 
t13=t16;
h12=h11;
} // final de program, se revine de la inceput

void temperaturi(float t3, float t4, int ics, int igrec)
{
int t5 = t3;
int t6 = t4;
ucg.setFont(ucg_font_courB24);    
if (t3*t4 < 0)
{ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+7, qy + igrec , 105);
}
}
int t51 = t5/10;
int t61 = t6/10;
ucg.setColor(0, 0, 0); 
if (t51 != t61)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+28, qy + igrec , 21);
}
}
t5 = t3 - t51*10;
t6 = t4 - t61*10;
if (t5 != t6)
{
for (int qy = 39 ; qy < 60; qy++) 
{
ucg.drawHLine(ics+49, qy + igrec , 21);
}
} 
for (int qy = 39 ; qy < 60; qy++) 
{
 ucg.drawHLine(ics+91, qy + igrec , 21);
}
ucg.setColor(255, 0, 0);  
ucg.setPrintPos(10 + ics, 30 + igrec);
//ucg.print("t  :"); 
ucg.print("temperatura:"); 
ucg.setPrintPos(10 + ics, 60 + igrec);
if (t3 > 10.0) ucg.print("+");
else
 if (t3>0.0) ucg.print(" +");
else
 if (t3<0.0)
{
 t3=-t3;
 if (t3 > 10.0) ucg.print("-");
else
 if (t3 > 0.0) ucg.print(" -");
}  
if (t3==0.0) ucg.print("  ");
ucg.print(t3,1); 
ucg.print(" C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(30 + ics, 35 + igrec);
//if (igrec == 0) ucg.print("int"); 
//else ucg.print("ext"); 
ucg.setPrintPos(115 + ics, 50 + igrec);
ucg.print("o"); 

ucg.setPrintPos(75 + ics, 60 + igrec);
ucg.print(",");


}

void termometre (float t, int ics1)
{
ucg.setColor(255, 255, 255);  
ucg.drawFrame(ics1-4,10,9,200); 
ucg.drawCircle(ics1,220,10,UCG_DRAW_ALL);  
for (int a = 0; a < 10; a++)
{
ucg.drawLine(ics1-5,20+20*a,ics1-7,20+20*a);
ucg.drawLine(ics1+5,20+20*a,ics1+7,20+20*a);
}
ucg.drawLine(ics1-10,140,ics1+10,140);  
ucg.setFont(ucg_font_courB24);    
ucg.setPrintPos(13 + ics1, 149);
ucg.print("0 C"); 
ucg.setFont(ucg_font_fur17r); 
ucg.setPrintPos(37 + ics1, 135);
ucg.print("o"); 
int lin = 140 - 2*t;
ucg.setColor(0, 0, 0);  // black 
ucg.drawBox(ics1-2,21, 5, lin+5);
ucg.setColor(255, 0, 0);  
ucg.drawDisc(ics1,220,8,UCG_DRAW_ALL);  
ucg.drawBox(ics1-2,lin, 5, 210-lin);
}

void umiditate(int h3, int h4, int zet, int igrec1)
{
  ucg.setFont(ucg_font_courB24); // 20 pixel height   

// sterg semnul ??
int h51 = h3/10;
int h61 = h4/10;

ucg.setColor(0, 0, 0); 

// sterg zeci daca e cazul
if (h51 != h61)
{
//ucg.setColor(255, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
//  ucg.drawHLine(zet+28, qy + igrec1 , 21);
  ucg.drawHLine(zet+40, qy + igrec1, 42);
}
}
  int h5 = h3 - h51*10;
  int h6 = h4 - h61*10;

// sterg unitati daca e cazul
//if ((t5 != t6) || (t5-t6>0.2))
if (h5 != h6)
{
//ucg.setColor(0, 255, 0); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+79, qy + igrec1 , 21);
}
} 

 ucg.setColor(0, 255, 255);  
 ucg.setPrintPos(zet, 30 + igrec1);
 ucg.print("umiditate:"); 


//ucg.setFont(ucg_font_fub42n); // 20 pixel height   
ucg.setPrintPos(40 + zet, 60 + igrec1);
//if (h3 > 10) ucg.print("+");
if (h3 > 10) ucg.print(" ");
else
{
//ucg.setColor(255, 255, 255); 
ucg.setColor(0, 0, 0); 
for (int qy = 39 ; qy < 60; qy++) 
{
  ucg.drawHLine(zet+40, qy + igrec1 , 42);
}
if (igrec1 <30) ucg.setColor(255, 255, 0);  
else ucg.setColor(0, 255, 255); 
ucg.setPrintPos(61 + zet, 60 + igrec1);
//ucg.print("+");
ucg.print(" ");
}
 ucg.print(h3); 
 ucg.print("%"); 
}


void barca (int h, int h2) // new humidity, old humidity.,
{
int xx = 280; 
int yy = 230;

//sterg barca
//ucg.setColor(100,100,100);  
ucg.setColor(0,0,0);  
ucg.drawBox(xx-25, yy-20-h2, 50, 30);


//sterg apa
//ucg.setColor(125, 125, 125);  
ucg.setColor(0, 0, 0);  
ucg.drawBox(xx-35, yy+10-h2, 70, h2-h);

//desenez apa
ucg.setColor(0, 255, 255);  
ucg.drawBox(xx-35, yy+10-h, 70, h);

//desenz barcuta;
//desenez carena
ucg.setColor(255, 255, 0);  
ucg.drawBox(xx-20, yy-h, 40, 10);
ucg.drawTriangle(xx-25, yy-h, xx-20, yy-h, xx-20, yy+10-h);
ucg.drawTriangle(xx+25, yy-h, xx+20, yy-h, xx+20, yy+10-h);
//desenez catarg
ucg.drawBox(xx-1, yy-20-h, 2, 20);
//desenez velele
ucg.setColor(0, 0, 255); // vela albastra  
ucg.drawTriangle(xx+2, yy-20-h, xx+2, yy-h, xx+20, yy-h);
ucg.setColor(255, 0, 0); // vela rosie  
ucg.drawTriangle(xx-2, yy-15-h, xx-2, yy-h, xx-20, yy-h);
}
/
   Filmuletul, care prezinta modul de afisare, se numeste ministatie meteo cu DHT11 pe ecran TFT de 2.2" cu ILI9341 pe un Arduino Due
iar altul care prezinta cele 2 versiuni, intr-o "romgleza" se numeste weather station with Arduino Due on ILI9341 2.2" TFT display
21.09.2014
   Am mai facut un film, la lumina zilei, tot in "engleza mea", numit weather station with Arduino Due on ILI9341 2.2" TFT display (2)

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