└── GraphTutorial.ino


/GraphTutorial.ino:
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 1 | #include <TFT_eSPI.h>
 2 | TFT_eSPI tft = TFT_eSPI();  
 3 | TFT_eSprite sprite= TFT_eSprite(&tft);
 4 | 
 5 | #define color1 0xF79E
 6 | #define color2 0xB1B1
 7 | #define color3 0x4A69
 8 | 
 9 | String week[7]={"MON","TUE","WED","THU","FRI","SAT","SUN"};
10 | int values[7]={0};
11 | int sum=0;
12 | float average=0.00;
13 | 
14 | void setup() {
15 |   tft.init();
16 |   tft.setRotation(1);
17 |   sprite.createSprite(320,170);
18 | 
19 | }
20 | void drawGraph()
21 |   { 
22 |   sprite.fillSprite(color3);
23 |   sprite.fillRect(10,40,300,120,color1);
24 |   sprite.fillRoundRect(20,20,280,110,5,color2);
25 |   sprite.fillRect(60,30,2,80,color1);
26 |   sprite.fillRect(60,110,218,2,color1);
27 | 
28 |   sprite.setTextDatum(4);
29 |   sprite.setTextColor(color1,color2);
30 |   
31 |     for(int i=2;i<8;i=i+2){
32 |     sprite.drawString(String(i*10),50,110-(i*10));
33 |     for(int j=0;j<218;j=j+5)
34 |     sprite.drawPixel(60+j,110-(i*10),color1);
35 |     }
36 | 
37 |   sum=0;
38 |   for(int i=0;i<7;i++){
39 |   sprite.drawString(week[i],90+(i*30),120);
40 |   values[i]=random(5,80);
41 |   sum=sum+values[i];
42 |   sprite.fillRect(82+(i*30),110-values[i],16,values[i],color1);
43 |   }
44 | 
45 |   average=sum/7.00;
46 |   sprite.setTextDatum(0);
47 |   sprite.setTextColor(color3,color1);
48 | 
49 |   sprite.drawString("SUM= "+String(sum),20,136,2);
50 |   sprite.drawString("AVERAGE= "+String(average),120,136,2);
51 | 
52 |   sprite.setTextColor(color1,color3);
53 |   sprite.drawString("EARNINGS $",20,4,2);
54 |   
55 | 
56 |   sprite.pushSprite(0,0);
57 |   }
58 | 
59 | void loop() {
60 |  drawGraph();
61 |  delay(3000);
62 | }
63 | 


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