Toby Harris / spk_oled_ssd1305

SPKDisplay - A mbed display class and processing imaging tools for 128x64 OLEDs using the SSD1305 driver, connected via SPI.

Dependents:   SPK-DVIMXR SPK-DMXer

spk_oled_fontByteMaker--processing.h@1:dd3faa2ab1dd, 2012-04-15 (annotated)

Committer:
tobyspark
Date:
Sun Apr 15 19:39:17 2012 +0000
Revision:
1:dd3faa2ab1dd
Parent:
0:76bb084fa033
Child:
2:8187d69071f8
Image and font are fully external to class, ie. it will compile for others!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tobyspark 1:dd3faa2ab1dd 1 int w = 132;
tobyspark 1:dd3faa2ab1dd 2 int h = 64;
tobyspark 1:dd3faa2ab1dd 3 int scaleFactor = 5;
tobyspark 1:dd3faa2ab1dd 4
tobyspark 1:dd3faa2ab1dd 5 PImage imgPixel;
tobyspark 1:dd3faa2ab1dd 6 color white = color(255, 255, 255, 255);
tobyspark 1:dd3faa2ab1dd 7 color black = color(0, 0, 0, 255);
tobyspark 1:dd3faa2ab1dd 8
tobyspark 1:dd3faa2ab1dd 9 void setup()
tobyspark 1:dd3faa2ab1dd 10 {
tobyspark 1:dd3faa2ab1dd 11 imgPixel = loadImage("spk_dvimxr_font.png");
tobyspark 1:dd3faa2ab1dd 12 w = imgPixel.width;
tobyspark 1:dd3faa2ab1dd 13 h = imgPixel.height;
tobyspark 1:dd3faa2ab1dd 14
tobyspark 1:dd3faa2ab1dd 15 size(w*scaleFactor, h*scaleFactor);
tobyspark 1:dd3faa2ab1dd 16
tobyspark 1:dd3faa2ab1dd 17 noSmooth();
tobyspark 1:dd3faa2ab1dd 18 }
tobyspark 1:dd3faa2ab1dd 19
tobyspark 1:dd3faa2ab1dd 20 void draw()
tobyspark 1:dd3faa2ab1dd 21 {
tobyspark 1:dd3faa2ab1dd 22 background(0);
tobyspark 1:dd3faa2ab1dd 23 image(imgPixel, 0, 0, w*scaleFactor, h*scaleFactor);
tobyspark 1:dd3faa2ab1dd 24 }
tobyspark 1:dd3faa2ab1dd 25
tobyspark 1:dd3faa2ab1dd 26 void mouseDragged()
tobyspark 1:dd3faa2ab1dd 27 {
tobyspark 1:dd3faa2ab1dd 28 int x = mouseX/scaleFactor;
tobyspark 1:dd3faa2ab1dd 29 int y = mouseY/scaleFactor;
tobyspark 1:dd3faa2ab1dd 30
tobyspark 1:dd3faa2ab1dd 31 imgPixel.set(x, y, white);
tobyspark 1:dd3faa2ab1dd 32 }
tobyspark 1:dd3faa2ab1dd 33
tobyspark 1:dd3faa2ab1dd 34 void mousePressed()
tobyspark 1:dd3faa2ab1dd 35 {
tobyspark 1:dd3faa2ab1dd 36 int x = mouseX/scaleFactor;
tobyspark 1:dd3faa2ab1dd 37 int y = mouseY/scaleFactor;
tobyspark 1:dd3faa2ab1dd 38
tobyspark 1:dd3faa2ab1dd 39 if (imgPixel.get(x, y) == white)
tobyspark 1:dd3faa2ab1dd 40 {
tobyspark 1:dd3faa2ab1dd 41 imgPixel.set(x, y, black);
tobyspark 1:dd3faa2ab1dd 42 }
tobyspark 1:dd3faa2ab1dd 43 else
tobyspark 1:dd3faa2ab1dd 44 {
tobyspark 1:dd3faa2ab1dd 45 imgPixel.set(x, y, white);
tobyspark 1:dd3faa2ab1dd 46 }
tobyspark 1:dd3faa2ab1dd 47 }
tobyspark 1:dd3faa2ab1dd 48
tobyspark 1:dd3faa2ab1dd 49 void keyPressed()
tobyspark 1:dd3faa2ab1dd 50 {
tobyspark 1:dd3faa2ab1dd 51 int startID = 33;
tobyspark 1:dd3faa2ab1dd 52 int stopID = 126;
tobyspark 1:dd3faa2ab1dd 53
tobyspark 1:dd3faa2ab1dd 54 for (int charID = startID; charID <= stopID; charID++)
tobyspark 1:dd3faa2ab1dd 55 {
tobyspark 1:dd3faa2ab1dd 56 boolean blank = false;
tobyspark 1:dd3faa2ab1dd 57 String output = "";
tobyspark 1:dd3faa2ab1dd 58 int counter = 0;
tobyspark 1:dd3faa2ab1dd 59 while (blank == false)
tobyspark 1:dd3faa2ab1dd 60 {
tobyspark 1:dd3faa2ab1dd 61 int x = (charID-startID)*8 + counter;
tobyspark 1:dd3faa2ab1dd 62
tobyspark 1:dd3faa2ab1dd 63 byte theByte = 0;
tobyspark 1:dd3faa2ab1dd 64 for (int b = 0; b < 8; b++)
tobyspark 1:dd3faa2ab1dd 65 {
tobyspark 1:dd3faa2ab1dd 66 if (imgPixel.get(x, b) == white)
tobyspark 1:dd3faa2ab1dd 67 {
tobyspark 1:dd3faa2ab1dd 68 theByte += pow(2, b);
tobyspark 1:dd3faa2ab1dd 69 }
tobyspark 1:dd3faa2ab1dd 70 }
tobyspark 1:dd3faa2ab1dd 71
tobyspark 1:dd3faa2ab1dd 72 if (theByte > 0)
tobyspark 1:dd3faa2ab1dd 73 {
tobyspark 1:dd3faa2ab1dd 74 if (output.length() > 0) output = output + ", ";
tobyspark 1:dd3faa2ab1dd 75 output = output + "0x" + hex(theByte, 2);
tobyspark 1:dd3faa2ab1dd 76 }
tobyspark 1:dd3faa2ab1dd 77 else
tobyspark 1:dd3faa2ab1dd 78 {
tobyspark 1:dd3faa2ab1dd 79 blank = true;
tobyspark 1:dd3faa2ab1dd 80 println("const uint8_t char" + charID + "[] = {" + counter + ", " + output + "};");
tobyspark 1:dd3faa2ab1dd 81 }
tobyspark 1:dd3faa2ab1dd 82
tobyspark 1:dd3faa2ab1dd 83 counter++;
tobyspark 1:dd3faa2ab1dd 84 }
tobyspark 1:dd3faa2ab1dd 85 }
tobyspark 1:dd3faa2ab1dd 86 println();
tobyspark 1:dd3faa2ab1dd 87 println("const int characterBytesStartChar = " + startID + ";");
tobyspark 1:dd3faa2ab1dd 88 println("const int characterBytesEndChar = " + stopID + ";");
tobyspark 1:dd3faa2ab1dd 89 print("const uint8_t* characterBytes[] = {");
tobyspark 1:dd3faa2ab1dd 90 for (int charID = startID; charID <= stopID; charID++)
tobyspark 1:dd3faa2ab1dd 91 {
tobyspark 1:dd3faa2ab1dd 92 print("char" + charID + ", ");
tobyspark 1:dd3faa2ab1dd 93 }
tobyspark 1:dd3faa2ab1dd 94 println("};");
tobyspark 1:dd3faa2ab1dd 95 }