1 | /*
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2 | * Pin Belegung:
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3 | *
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4 | * gebrückt auf beide Displays:
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5 | * Arduino Display
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6 | * +5V => VCC
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7 | * GND => GND
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8 | * 52 => SCL
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9 | * 51 => SDA
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10 | * 50 => MOSI-T
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11 | *
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12 | * Display 1:
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13 | * 25 => DC
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14 | * 27 => RES
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15 | * 23 => CS
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16 | * 3 => IRQ-T
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17 | * 24 => CS-T
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18 | *
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19 | *
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20 | * Display 2:
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21 | * 35 => DC
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22 | * 37 => RES
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23 | * 33 => CS
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24 | * 2 => IQR-T
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25 | * 34 => CS-T
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26 | */
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27 |
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28 |
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29 | #include <Adafruit_GFX.h>
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30 | #include <Adafruit_ST7735.h>
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31 | #include <SPI.h>
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32 | #include <XPT2046_Touchscreen.h>
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33 | #include <Fonts/FreeSans9pt7b.h>
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34 |
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35 | //Variablen erstellen
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36 | //Ein-/Ausgänge
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37 | //Display Anzeige
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38 | int RS[3] = {25, 35, 45};
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39 | int CS[3] = {23, 33, 43};
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40 | int RES[3] = {27, 37, 47};
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41 | //Display Touch
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42 | int CS_T[3] = {24, 34, 44};
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43 | int IRQ_T[3] = {3, 2}; //Interuptible pins For Mega: 2,3,18,19,20,21
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44 | //desweiteren müssen die Hardware SPI-pins angeschlossen werden: SCK=52, SDA=51, MISO=50
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45 |
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46 | //Zuletzt berührt
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47 | TS_Point last_1;
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48 | TS_Point last_2;
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49 |
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50 | //Definitionen
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51 | //Diplay Touch
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52 | #define TS_SMALLMIN 3850// 250//
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53 | #define TS_LONGMIN 250
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54 | #define TS_SMALLMAX 250// 3850
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55 | #define TS_LONGMAX 3900
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56 |
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57 | //Objekte erstellen
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58 | //Display Anzeige
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59 | Adafruit_ST7735 tft_test[2] = {{CS[0], RS[0], RES[0]}, {CS[1], RS[1], RES[1]}};
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60 | //Display Touch
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61 | XPT2046_Touchscreen touch1 = (CS_T[0], IRQ_T[0]);
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62 | XPT2046_Touchscreen touch2 = (CS_T[1], IRQ_T[1]);
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63 |
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64 |
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65 | void setup() {
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66 | //Serial starten
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67 | Serial.begin(9600);
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68 | Serial.println("Setup");
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69 |
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70 | //Display 1 starten
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71 | tft_test[0].initR(INITR_GREENTAB);
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72 | touch1.begin();
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73 | touch1.setRotation(0);
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74 |
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75 | //Display 2 starten
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76 | tft_test[1].initR(INITR_GREENTAB);
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77 | touch2.begin();
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78 | touch2.setRotation(0);
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79 |
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80 | //Display 1 Testbilder anzeigen
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81 | //RGB 10 bit: 5 bits Blau, 6 bits Grün, 5 bits Rot
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82 | // Blau = 0x001f, Grün = 0x07e0, Rot = 0xf800
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83 | tft_test[0].fillScreen(0x07e0);
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84 | tft_test[0].setFont(&FreeSans9pt7b);
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85 | tft_test[0].setTextColor(0x0000, 0xffff);
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86 | tft_test[0].setCursor(10, 20);
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87 | tft_test[0].print("Test screen 2");
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88 |
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89 | //Display 1 Testbilder anzeigen
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90 | tft_test[1].fillScreen(0x001f);
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91 | tft_test[1].setFont(&FreeSans9pt7b);
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92 | tft_test[1].setTextColor(0x0000, 0xffff);
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93 | tft_test[1].setCursor(10, 20);
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94 | tft_test[1].print("Test");
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95 | }
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96 |
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97 | void loop() {
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98 | //Display 1 Positionen von Clicks anzeigen
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99 | if (touch1.touched()){
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100 | last_1 = touch1.getPoint();
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101 | Serial.println("Touch1: x:" + String(last_1.x) + "\ty:" + String(last_1.y) + "\tz:" + String(last_1.z));
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102 | }
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103 |
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104 | //Display 2 Positionen von Clicks anzeigen
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105 | if (touch2.touched()){
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106 | last_2 = touch2.getPoint();
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107 | Serial.println("touch2: x:" + String(last_2.x) + "\ty:" + String(last_2.y) + "\tz:" + String(last_2.z));
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108 | }
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109 |
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110 | //ausgabe, wenn nur ein Display berührt wird
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111 | if (touch2.touched() != touch1.touched()){
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112 | Serial.println("Test");
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113 | }
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114 | }
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