TempPlusDisplayOLED.ino

#include "U8glib.h"
#include "DHT.h"

#define DHT1PIN 2
#define DHT1TYPE DHT11

#define DHT2PIN 3
#define DHT2TYPE DHT22

DHT dht1(DHT1PIN, DHT1TYPE);
DHT dht2(DHT2PIN, DHT2TYPE);

U8GLIB_SSD1306_132X64 u8g(10, 9, 12, 11, 13);
//                        D0, D1,CS, DC, RST

int i;
char str[33];

void u8g_prepare(void) {
  u8g.setFont(u8g_font_6x10);
  u8g.setFontRefHeightExtendedText();
  u8g.setDefaultForegroundColor();
  u8g.setFontPosTop();
}

void u8g_box_frame(uint8_t a) {
  u8g.drawStr( 2, 0, "drawBox");
  u8g.drawBox(5,10,20,10);
  u8g.drawBox(10+a,15,30,7);
  u8g.drawStr( 2, 30, "drawFrame");
  u8g.drawFrame(5,10+30,20,10);
  u8g.drawFrame(10+a,15+30,30,7);
}

void u8g_disc_circle(uint8_t a) {
  u8g.drawStr( 2, 0, "drawDisc");
  u8g.drawDisc(10,18,9);
  u8g.drawDisc(24+a,16,7);
  u8g.drawStr( 2, 30, "drawCircle");
  u8g.drawCircle(10,18+30,9);
  u8g.drawCircle(24+a,16+30,7);
}

void u8g_r_frame(uint8_t a) {
  u8g.drawStr( 2, 0, "drawRFrame/Box");
  u8g.drawRFrame(5, 10,40,30, a+1);
  u8g.drawRBox(50, 10,25,40, a+1);
}

void u8g_string(uint8_t a) {
  u8g.drawStr(30+a,31, " 0");
  u8g.drawStr90(30,31+a, " 90");
  u8g.drawStr180(30-a,31, " 180");
  u8g.drawStr270(30,31-a, " 270");
}

void u8g_line(uint8_t a) {
  u8g.drawStr( 2, 0, "drawLine");
  u8g.drawLine(7+a, 10, 40, 55);
  u8g.drawLine(7+a*2, 10, 60, 55);
  u8g.drawLine(7+a*3, 10, 80, 55);
  u8g.drawLine(7+a*4, 10, 100, 55);
}

void u8g_triangle(uint8_t a) {
  uint16_t offset = a;
  u8g.drawStr( 2, 0, "drawTriangle");
  u8g.drawTriangle(14,7, 45,30, 10,40);
  u8g.drawTriangle(14+offset,7-offset, 45+offset,30-offset, 57+offset,10-offset);
  u8g.drawTriangle(57+offset*2,10, 45+offset*2,30, 86+offset*2,53);
  u8g.drawTriangle(10+offset,40+offset, 45+offset,30+offset, 86+offset,53+offset);
}

void u8g_ascii_1() {
  char s[2] = " ";
  uint8_t x, y;
  u8g.drawStr( 2, 0, "ASCII page 1");
  for( y = 0; y < 6; y++ ) {
    for( x = 0; x < 16; x++ ) {
      s[0] = y*16 + x + 32;
      u8g.drawStr(x*7+2, y*10+10, s);
    }
  }
}

void u8g_ascii_2() {
  char s[2] = " ";
  uint8_t x, y;
  u8g.drawStr( 2, 0, "ASCII page 2");
  for( y = 0; y < 6; y++ ) {
    for( x = 0; x < 16; x++ ) {
      s[0] = y*16 + x + 160;
      u8g.drawStr(x*7+2, y*10+10, s);
    }
  }
}

void u8g_extra_page(uint8_t a)
{
  if ( u8g.getMode() == U8G_MODE_HICOLOR || u8g.getMode() == U8G_MODE_R3G3B2) {
    /* draw background (area is 128x128) */
    u8g_uint_t r, g, b;
    b = a << 5;
    for( g = 0; g < 64; g++ )
    {
      for( r = 0; r < 64; r++ )
      {
	u8g.setRGB(r<<2, g<<2, b );
	u8g.drawPixel(g, r);
      }
    }
    u8g.setRGB(255,255,255);
    u8g.drawStr( 66, 0, "Color Page");
  }
  else if ( u8g.getMode() == U8G_MODE_GRAY2BIT )
  {
    u8g.drawStr( 66, 0, "Gray Level");
    u8g.setColorIndex(1);
    u8g.drawBox(0, 4, 64, 32);    
    u8g.drawBox(70, 20, 4, 12);
    u8g.setColorIndex(2);
    u8g.drawBox(0+1*a, 4+1*a, 64-2*a, 32-2*a);
    u8g.drawBox(74, 20, 4, 12);
    u8g.setColorIndex(3);
    u8g.drawBox(0+2*a, 4+2*a, 64-4*a, 32-4*a);
    u8g.drawBox(78, 20, 4, 12);
  }
  else
  {
    u8g.drawStr( 2, 12, "setScale2x2");
    u8g.setScale2x2();
    u8g.drawStr( 1, 6+a, "setScale2x2");
    u8g.undoScale();
  }
}


uint8_t draw_state = 0;

void draw(void) {
  float h1 = dht1.readHumidity();
  float t1 = dht1.readTemperature();
  
  float h2 = dht2.readHumidity();
  float t2 = dht2.readTemperature();

  u8g_prepare();
  
  u8g.drawStr( 2, 0, "Blue Sensor");
  
  u8g.drawStr( 2, 10, "Temperature");
  dtostrf(t1, 10, 1, str);
  u8g.drawStr(70, 10, str);
  
  u8g.drawStr( 2, 20, "Humidity");
  dtostrf(h1, 10, 1, str);
  u8g.drawStr(70, 20, str);
  
  u8g.drawStr( 2, 30, "White Sensor");

  u8g.drawStr( 2, 40, "Temperature");
  dtostrf(t2, 10, 1, str);
  u8g.drawStr(70, 40, str);
  
  u8g.drawStr( 2, 50, "Humidity");
  dtostrf(h2, 10, 1, str);
  u8g.drawStr(70, 50, str);

//  switch(draw_state >> 3) {
////    case 0: u8g_box_frame(draw_state&7); break;
////    case 1: u8g_disc_circle(draw_state&7); break;
////    case 2: u8g_r_frame(draw_state&7); break;
////    case 3: u8g_string(draw_state&7); break;
////    case 4: u8g_line(draw_state&7); break;
////    case 5: u8g_triangle(draw_state&7); break;
//    case 0: u8g_ascii_1(); break;
//    case 1: u8g_ascii_2(); break;
////    case 8: u8g_extra_page(draw_state&7); break;
//  }
}

void setup(void) {

  // flip screen, if required
  //u8g.setRot180();
dht1.begin();
dht2.begin();
  
  pinMode(13, OUTPUT);           
  digitalWrite(13, HIGH);  
}

void loop(void) {
  // picture loop  
  u8g.firstPage();  
  do {
    draw();
  } while( u8g.nextPage() );
  
  // increase the state
  draw_state++;
  if ( draw_state >= 9*8 )
    draw_state = 0;
  
  // rebuild the picture after some delay
  delay(1000);
}