1  // Text mode demo
 2  // With apologies to Stanley Kubrick et al
 3  #include <Adafruit_dvhstx.h>
 4  
 5  // If your board definition has PIN_CKP and related defines,
 6  // DVHSTX_PINOUT_DEFAULT is available
 7  DVHSTXText3 display(DVHSTX_PINOUT_DEFAULT);
 8  // If you get the message "error: 'DVHSTX_PINOUT_DEFAULTx' was not declared"
 9  // then you need to give the pins numbers explicitly, like the example below.
10  // The order is: {CKP, D0P, D1P, D2P}.
11  //
12  // DVHSTXText3 display({12, 14, 16, 18});
13  
14  void setup() {
15    Serial.begin(115200);
16    if (!display.begin()) { // Blink LED if insufficient RAM
17      pinMode(LED_BUILTIN, OUTPUT);
18      for (;;)
19        digitalWrite(LED_BUILTIN, (millis() / 500) & 1);
20    }
21    display.show_cursor();
22    display.print("display initialized\n\n\n\n\n");
23  }
24  
25  const char message[] = "All work and no play makes Jack a dull boy\n";
26  
27  int cx, cy, i;
28  void loop() {
29    const static TextColor colors[] = {
30        TextColor::TEXT_RED,    TextColor::TEXT_GREEN,   TextColor::TEXT_BLUE,
31        TextColor::TEXT_YELLOW, TextColor::TEXT_MAGENTA, TextColor::TEXT_CYAN,
32        TextColor::TEXT_WHITE,
33    };
34  
35    if (i == 0) {
36      auto attr = colors[random(std::size(colors))];
37      for (int j = random(91 - sizeof(message)); j; j--)
38        display.write(' ');
39      display.set_color(attr);
40    }
41  
42    int ch = message[i++];
43    if (ch) {
44      display.write(ch);
45    } else
46      i = 0;
47  
48    sleep_ms(32 + random(32));
49  }