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jacobhylenjacobhylen
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Update OLED example to a better-looking bitmap
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  • content/learn/05.communication/01.wire

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‎content/learn/05.communication/01.wire/wire.md‎

Lines changed: 72 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -371,7 +371,7 @@ void loop() {
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### I2C OLED
373373
![Grove OLED over I2C](./assets/GroveOLED.png)
374-
This code example draws a (very crude) version of the Arduino logo on a 128x64 I2C Grove OLED:
374+
This code example draws a version of the Arduino logo on a 128x64 I2C Grove OLED:
375375

376376
```arduino
377377
#include <Wire.h>
@@ -380,40 +380,90 @@ This code example draws a (very crude) version of the Arduino logo on a 128x64 I
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381381
Adafruit_SSD1306 display(128, 64, &Wire, -1);
382382
383+
// The Arduino Logo in a bitmap format
384+
const uint8_t arduinoLogo[] = {
385+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
386+
0x00, 0x00, 0x00, 0x00, 0x07, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xe0, 0x00, 0x30, 0x00, 0x00,
387+
0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xfc, 0x00, 0x70, 0x00, 0x00,
388+
0x00, 0x00, 0x00, 0x01, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x07, 0xff, 0xff, 0x80, 0x50, 0x00, 0x00,
389+
0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xe0, 0x40, 0x00, 0x00,
390+
0x00, 0x00, 0x00, 0x0f, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xf0, 0x20, 0x00, 0x00,
391+
0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00,
392+
0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x01, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00,
393+
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
394+
0x00, 0x00, 0x01, 0xff, 0xfc, 0x0f, 0xff, 0xe0, 0x07, 0xff, 0xf0, 0x3f, 0xff, 0x80, 0x00, 0x00,
395+
0x00, 0x00, 0x01, 0xff, 0xc0, 0x00, 0xff, 0xf0, 0x0f, 0xff, 0x00, 0x07, 0xff, 0x80, 0x00, 0x00,
396+
0x00, 0x00, 0x03, 0xff, 0x80, 0x00, 0x7f, 0xf8, 0x1f, 0xfc, 0x00, 0x01, 0xff, 0xc0, 0x00, 0x00,
397+
0x00, 0x00, 0x07, 0xfe, 0x00, 0x00, 0x1f, 0xfc, 0x3f, 0xf8, 0x00, 0x00, 0x7f, 0xe0, 0x00, 0x00,
398+
0x00, 0x00, 0x07, 0xfc, 0x00, 0x00, 0x0f, 0xfe, 0x7f, 0xf0, 0x00, 0x00, 0x3f, 0xe0, 0x00, 0x00,
399+
0x00, 0x00, 0x0f, 0xf8, 0x00, 0x00, 0x07, 0xff, 0x7f, 0xe0, 0x00, 0x00, 0x1f, 0xf0, 0x00, 0x00,
400+
0x00, 0x00, 0x0f, 0xf0, 0x00, 0x00, 0x03, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x0f, 0xf0, 0x00, 0x00,
401+
0x00, 0x00, 0x0f, 0xf0, 0x00, 0x00, 0x01, 0xff, 0xff, 0x80, 0x0f, 0x00, 0x0f, 0xf8, 0x00, 0x00,
402+
0x00, 0x00, 0x1f, 0xe0, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x0f, 0x80, 0x07, 0xf8, 0x00, 0x00,
403+
0x00, 0x00, 0x1f, 0xe0, 0x00, 0x00, 0x00, 0x7f, 0xfe, 0x00, 0x0f, 0x80, 0x07, 0xf8, 0x00, 0x00,
404+
0x00, 0x00, 0x1f, 0xe0, 0x00, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x0f, 0x80, 0x07, 0xf8, 0x00, 0x00,
405+
0x00, 0x00, 0x1f, 0xc0, 0x00, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x0f, 0x80, 0x03, 0xf8, 0x00, 0x00,
406+
0x00, 0x00, 0x1f, 0xc0, 0x1f, 0xff, 0x00, 0x1f, 0xf8, 0x00, 0xff, 0xf8, 0x03, 0xfc, 0x00, 0x00,
407+
0x00, 0x00, 0x1f, 0xc0, 0x3f, 0xff, 0x00, 0x1f, 0xf8, 0x00, 0xff, 0xf8, 0x03, 0xfc, 0x00, 0x00,
408+
0x00, 0x00, 0x1f, 0xc0, 0x3f, 0xff, 0x00, 0x1f, 0xf0, 0x00, 0xff, 0xf8, 0x03, 0xfc, 0x00, 0x00,
409+
0x00, 0x00, 0x1f, 0xc0, 0x1f, 0xff, 0x00, 0x1f, 0xf8, 0x00, 0xff, 0xf8, 0x03, 0xfc, 0x00, 0x00,
410+
0x00, 0x00, 0x1f, 0xc0, 0x00, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x0f, 0x80, 0x03, 0xf8, 0x00, 0x00,
411+
0x00, 0x00, 0x1f, 0xc0, 0x00, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x0f, 0x80, 0x07, 0xf8, 0x00, 0x00,
412+
0x00, 0x00, 0x1f, 0xe0, 0x00, 0x00, 0x00, 0x7f, 0xfe, 0x00, 0x0f, 0x80, 0x07, 0xf8, 0x00, 0x00,
413+
0x00, 0x00, 0x1f, 0xe0, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x0f, 0x80, 0x07, 0xf8, 0x00, 0x00,
414+
0x00, 0x00, 0x1f, 0xf0, 0x00, 0x00, 0x01, 0xff, 0xff, 0x80, 0x0f, 0x00, 0x0f, 0xf8, 0x00, 0x00,
415+
0x00, 0x00, 0x0f, 0xf0, 0x00, 0x00, 0x03, 0xff, 0xff, 0x80, 0x00, 0x00, 0x0f, 0xf0, 0x00, 0x00,
416+
0x00, 0x00, 0x0f, 0xf8, 0x00, 0x00, 0x07, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x1f, 0xf0, 0x00, 0x00,
417+
0x00, 0x00, 0x07, 0xfc, 0x00, 0x00, 0x0f, 0xfe, 0x7f, 0xf0, 0x00, 0x00, 0x3f, 0xe0, 0x00, 0x00,
418+
0x00, 0x00, 0x07, 0xfe, 0x00, 0x00, 0x1f, 0xfc, 0x3f, 0xf8, 0x00, 0x00, 0x7f, 0xe0, 0x00, 0x00,
419+
0x00, 0x00, 0x03, 0xff, 0x00, 0x00, 0x7f, 0xf8, 0x1f, 0xfc, 0x00, 0x00, 0xff, 0xc0, 0x00, 0x00,
420+
0x00, 0x00, 0x01, 0xff, 0xc0, 0x01, 0xff, 0xf0, 0x0f, 0xff, 0x00, 0x03, 0xff, 0x80, 0x00, 0x00,
421+
0x00, 0x00, 0x01, 0xff, 0xf8, 0x07, 0xff, 0xf0, 0x07, 0xff, 0xe0, 0x1f, 0xff, 0x80, 0x00, 0x00,
422+
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
423+
0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x01, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00,
424+
0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00,
425+
0x00, 0x00, 0x00, 0x0f, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00,
426+
0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x1f, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x00,
427+
0x00, 0x00, 0x00, 0x01, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x07, 0xff, 0xff, 0x80, 0x00, 0x00, 0x00,
428+
0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0x80, 0x00, 0x00, 0x01, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00,
429+
0x00, 0x00, 0x00, 0x00, 0x07, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x1f, 0xc0, 0x00, 0x00, 0x00, 0x00,
430+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
431+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
432+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
433+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
434+
0x00, 0x00, 0x00, 0x0c, 0x07, 0x80, 0xf0, 0x04, 0x18, 0xff, 0x88, 0x18, 0x1c, 0x00, 0x00, 0x00,
435+
0x00, 0x00, 0x00, 0x1e, 0x0f, 0xf8, 0xff, 0x1e, 0x1c, 0xff, 0x9e, 0x1c, 0x7f, 0x00, 0x00, 0x00,
436+
0x00, 0x00, 0x00, 0x1f, 0x0f, 0xfc, 0xff, 0x9e, 0x1c, 0xff, 0x9f, 0x1c, 0xff, 0x80, 0x00, 0x00,
437+
0x00, 0x00, 0x00, 0x3f, 0x0e, 0x3c, 0xe3, 0xce, 0x1c, 0x1c, 0x1f, 0x1d, 0xe3, 0x80, 0x00, 0x00,
438+
0x00, 0x00, 0x00, 0x3f, 0x0e, 0x1c, 0xe1, 0xce, 0x1c, 0x1c, 0x1f, 0x99, 0xc3, 0x80, 0x00, 0x00,
439+
0x00, 0x00, 0x00, 0x33, 0x8e, 0x1c, 0xe1, 0xce, 0x1c, 0x1c, 0x1f, 0x99, 0xc3, 0xc0, 0x00, 0x00,
440+
0x00, 0x00, 0x00, 0x73, 0x8f, 0x3c, 0xe1, 0xce, 0x1c, 0x1c, 0x1d, 0xd9, 0xc3, 0xc0, 0x00, 0x00,
441+
0x00, 0x00, 0x00, 0x73, 0x8f, 0xf8, 0xe1, 0xce, 0x1c, 0x1c, 0x1d, 0xf9, 0xc3, 0xc0, 0x00, 0x00,
442+
0x00, 0x00, 0x00, 0x7f, 0x8f, 0xf0, 0xe1, 0xce, 0x1c, 0x1c, 0x1c, 0xf9, 0xc3, 0x80, 0x00, 0x00,
443+
0x00, 0x00, 0x00, 0xff, 0xce, 0x70, 0xe3, 0xce, 0x1c, 0x1c, 0x1c, 0xf9, 0xc3, 0x80, 0x00, 0x00,
444+
0x00, 0x00, 0x00, 0xff, 0xce, 0x78, 0xe7, 0x8e, 0x3c, 0x3c, 0x1c, 0x7d, 0xe7, 0x80, 0x00, 0x00,
445+
0x00, 0x00, 0x00, 0xe1, 0xce, 0x3c, 0xff, 0x8f, 0xf8, 0xff, 0x9c, 0x7c, 0xff, 0x00, 0x00, 0x00,
446+
0x00, 0x00, 0x01, 0xe1, 0xee, 0x3c, 0xff, 0x07, 0xf0, 0xff, 0x9c, 0x3c, 0x7e, 0x00, 0x00, 0x00,
447+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xc0, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00,
448+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
449+
};
450+
383451
void setup() {
384452
Serial.begin(9600);
385453
386454
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
387455
Serial.println(F("SSD1306 not found"));
388456
while(1){}
389457
}
458+
459+
display.clearDisplay();
390460
461+
display.drawBitmap(0, 0, arduinoLogo, 128, 64, SSD1306_WHITE);
391462
display.display();
392-
delay(2000);
393-
display.clearDisplay();
394463
395-
drawArduino();
396464
}
397465
398466
void loop() {
399467
}
400468
401-
void drawArduino(){
402-
display.clearDisplay();
403-
404-
//Draw circles
405-
display.drawCircle(39, 32, 25, SSD1306_WHITE);
406-
display.drawCircle(89, 32, 25, SSD1306_WHITE);
407-
408-
//Draw minus
409-
display.drawLine(34, 32, 44, 32, SSD1306_WHITE);
410-
411-
// Draw plus
412-
display.drawLine(84, 32, 94, 32, SSD1306_WHITE);
413-
display.drawLine(89, 27, 89, 37, SSD1306_WHITE);
414-
415-
416-
//Render drawing
417-
display.display();
418-
}
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```

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