369 lines
9.4 KiB
C++
Executable File
369 lines
9.4 KiB
C++
Executable File
/*********************************************************************
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This is an example for our Monochrome OLEDs based on SSD1306 drivers
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Pick one up today in the adafruit shop!
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------> http://www.adafruit.com/category/63_98
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This example is for a 128x64 size display using SPI to communicate
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4 or 5 pins are required to interface
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing
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products from Adafruit!
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Written by Limor Fried/Ladyada for Adafruit Industries.
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BSD license, check license.txt for more information
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All text above, and the splash screen must be included in any redistribution
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*********************************************************************/
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#include <SPI.h>
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#include <Wire.h>
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#include <Adafruit_GFX.h>
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#include <Adafruit_SSD1306.h>
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// If using software SPI (the default case):
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#define OLED_MOSI 9
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#define OLED_CLK 10
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#define OLED_DC 11
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#define OLED_CS 12
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#define OLED_RESET 13
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Adafruit_SSD1306 display(OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS);
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/* Uncomment this block to use hardware SPI
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#define OLED_DC 6
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#define OLED_CS 7
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#define OLED_RESET 8
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Adafruit_SSD1306 display(OLED_DC, OLED_RESET, OLED_CS);
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*/
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#define NUMFLAKES 10
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#define XPOS 0
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#define YPOS 1
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#define DELTAY 2
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#define LOGO16_GLCD_HEIGHT 16
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#define LOGO16_GLCD_WIDTH 16
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static const unsigned char PROGMEM logo16_glcd_bmp[] =
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{ B00000000, B11000000,
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B00000001, B11000000,
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B00000001, B11000000,
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B00000011, B11100000,
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B11110011, B11100000,
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B11111110, B11111000,
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B01111110, B11111111,
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B00110011, B10011111,
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B00011111, B11111100,
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B00001101, B01110000,
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B00011011, B10100000,
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B00111111, B11100000,
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B00111111, B11110000,
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B01111100, B11110000,
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B01110000, B01110000,
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B00000000, B00110000 };
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#if (SSD1306_LCDHEIGHT != 64)
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#error("Height incorrect, please fix Adafruit_SSD1306.h!");
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#endif
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void setup() {
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Serial.begin(9600);
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// by default, we'll generate the high voltage from the 3.3v line internally! (neat!)
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display.begin(SSD1306_SWITCHCAPVCC);
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// init done
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// Show image buffer on the display hardware.
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// Since the buffer is intialized with an Adafruit splashscreen
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// internally, this will display the splashscreen.
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display.display();
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delay(2000);
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// Clear the buffer.
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display.clearDisplay();
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// draw a single pixel
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display.drawPixel(10, 10, WHITE);
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// Show the display buffer on the hardware.
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// NOTE: You _must_ call display after making any drawing commands
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// to make them visible on the display hardware!
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display.display();
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delay(2000);
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display.clearDisplay();
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// draw many lines
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testdrawline();
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display.display();
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delay(2000);
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display.clearDisplay();
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// draw rectangles
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testdrawrect();
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display.display();
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delay(2000);
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display.clearDisplay();
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// draw multiple rectangles
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testfillrect();
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display.display();
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delay(2000);
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display.clearDisplay();
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// draw mulitple circles
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testdrawcircle();
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display.display();
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delay(2000);
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display.clearDisplay();
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// draw a white circle, 10 pixel radius
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display.fillCircle(display.width()/2, display.height()/2, 10, WHITE);
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display.display();
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delay(2000);
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display.clearDisplay();
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testdrawroundrect();
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delay(2000);
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display.clearDisplay();
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testfillroundrect();
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delay(2000);
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display.clearDisplay();
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testdrawtriangle();
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delay(2000);
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display.clearDisplay();
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testfilltriangle();
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delay(2000);
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display.clearDisplay();
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// draw the first ~12 characters in the font
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testdrawchar();
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display.display();
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delay(2000);
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display.clearDisplay();
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// draw scrolling text
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testscrolltext();
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delay(2000);
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display.clearDisplay();
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// text display tests
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0,0);
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display.println("Hello, world!");
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display.setTextColor(BLACK, WHITE); // 'inverted' text
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display.println(3.141592);
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display.setTextSize(2);
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display.setTextColor(WHITE);
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display.print("0x"); display.println(0xDEADBEEF, HEX);
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display.display();
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delay(2000);
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// miniature bitmap display
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display.clearDisplay();
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display.drawBitmap(30, 16, logo16_glcd_bmp, 16, 16, 1);
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display.display();
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// invert the display
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display.invertDisplay(true);
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delay(1000);
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display.invertDisplay(false);
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delay(1000);
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// draw a bitmap icon and 'animate' movement
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testdrawbitmap(logo16_glcd_bmp, LOGO16_GLCD_HEIGHT, LOGO16_GLCD_WIDTH);
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}
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void loop() {
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}
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void testdrawbitmap(const uint8_t *bitmap, uint8_t w, uint8_t h) {
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uint8_t icons[NUMFLAKES][3];
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// initialize
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for (uint8_t f=0; f< NUMFLAKES; f++) {
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icons[f][XPOS] = random(display.width());
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icons[f][YPOS] = 0;
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icons[f][DELTAY] = random(5) + 1;
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Serial.print("x: ");
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Serial.print(icons[f][XPOS], DEC);
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Serial.print(" y: ");
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Serial.print(icons[f][YPOS], DEC);
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Serial.print(" dy: ");
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Serial.println(icons[f][DELTAY], DEC);
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}
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while (1) {
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// draw each icon
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for (uint8_t f=0; f< NUMFLAKES; f++) {
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display.drawBitmap(icons[f][XPOS], icons[f][YPOS], logo16_glcd_bmp, w, h, WHITE);
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}
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display.display();
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delay(200);
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// then erase it + move it
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for (uint8_t f=0; f< NUMFLAKES; f++) {
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display.drawBitmap(icons[f][XPOS], icons[f][YPOS], logo16_glcd_bmp, w, h, BLACK);
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// move it
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icons[f][YPOS] += icons[f][DELTAY];
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// if its gone, reinit
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if (icons[f][YPOS] > display.height()) {
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icons[f][XPOS] = random(display.width());
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icons[f][YPOS] = 0;
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icons[f][DELTAY] = random(5) + 1;
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}
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}
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}
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}
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void testdrawchar(void) {
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0,0);
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for (uint8_t i=0; i < 168; i++) {
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if (i == '\n') continue;
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display.write(i);
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if ((i > 0) && (i % 21 == 0))
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display.println();
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}
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display.display();
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}
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void testdrawcircle(void) {
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for (int16_t i=0; i<display.height(); i+=2) {
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display.drawCircle(display.width()/2, display.height()/2, i, WHITE);
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display.display();
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}
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}
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void testfillrect(void) {
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uint8_t color = 1;
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for (int16_t i=0; i<display.height()/2; i+=3) {
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// alternate colors
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display.fillRect(i, i, display.width()-i*2, display.height()-i*2, color%2);
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display.display();
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color++;
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}
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}
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void testdrawtriangle(void) {
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for (int16_t i=0; i<min(display.width(),display.height())/2; i+=5) {
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display.drawTriangle(display.width()/2, display.height()/2-i,
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display.width()/2-i, display.height()/2+i,
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display.width()/2+i, display.height()/2+i, WHITE);
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display.display();
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}
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}
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void testfilltriangle(void) {
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uint8_t color = WHITE;
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for (int16_t i=min(display.width(),display.height())/2; i>0; i-=5) {
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display.fillTriangle(display.width()/2, display.height()/2-i,
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display.width()/2-i, display.height()/2+i,
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display.width()/2+i, display.height()/2+i, WHITE);
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if (color == WHITE) color = BLACK;
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else color = WHITE;
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display.display();
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}
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}
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void testdrawroundrect(void) {
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for (int16_t i=0; i<display.height()/2-2; i+=2) {
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display.drawRoundRect(i, i, display.width()-2*i, display.height()-2*i, display.height()/4, WHITE);
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display.display();
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}
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}
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void testfillroundrect(void) {
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uint8_t color = WHITE;
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for (int16_t i=0; i<display.height()/2-2; i+=2) {
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display.fillRoundRect(i, i, display.width()-2*i, display.height()-2*i, display.height()/4, color);
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if (color == WHITE) color = BLACK;
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else color = WHITE;
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display.display();
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}
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}
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void testdrawrect(void) {
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for (int16_t i=0; i<display.height()/2; i+=2) {
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display.drawRect(i, i, display.width()-2*i, display.height()-2*i, WHITE);
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display.display();
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}
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}
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void testdrawline() {
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for (int16_t i=0; i<display.width(); i+=4) {
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display.drawLine(0, 0, i, display.height()-1, WHITE);
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display.display();
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}
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for (int16_t i=0; i<display.height(); i+=4) {
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display.drawLine(0, 0, display.width()-1, i, WHITE);
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display.display();
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}
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delay(250);
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display.clearDisplay();
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for (int16_t i=0; i<display.width(); i+=4) {
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display.drawLine(0, display.height()-1, i, 0, WHITE);
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display.display();
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}
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for (int16_t i=display.height()-1; i>=0; i-=4) {
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display.drawLine(0, display.height()-1, display.width()-1, i, WHITE);
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display.display();
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}
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delay(250);
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display.clearDisplay();
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for (int16_t i=display.width()-1; i>=0; i-=4) {
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display.drawLine(display.width()-1, display.height()-1, i, 0, WHITE);
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display.display();
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}
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for (int16_t i=display.height()-1; i>=0; i-=4) {
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display.drawLine(display.width()-1, display.height()-1, 0, i, WHITE);
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display.display();
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}
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delay(250);
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display.clearDisplay();
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for (int16_t i=0; i<display.height(); i+=4) {
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display.drawLine(display.width()-1, 0, 0, i, WHITE);
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display.display();
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}
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for (int16_t i=0; i<display.width(); i+=4) {
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display.drawLine(display.width()-1, 0, i, display.height()-1, WHITE);
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display.display();
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}
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delay(250);
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}
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void testscrolltext(void) {
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display.setTextSize(2);
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display.setTextColor(WHITE);
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display.setCursor(10,0);
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display.clearDisplay();
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display.println("scroll");
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display.display();
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display.startscrollright(0x00, 0x0F);
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delay(2000);
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display.stopscroll();
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delay(1000);
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display.startscrollleft(0x00, 0x0F);
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delay(2000);
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display.stopscroll();
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delay(1000);
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display.startscrolldiagright(0x00, 0x07);
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delay(2000);
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display.startscrolldiagleft(0x00, 0x07);
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delay(2000);
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display.stopscroll();
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}
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