356 lines
9.5 KiB
C++
356 lines
9.5 KiB
C++
/*********************************************************************
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This is an example for our Monochrome OLEDs based on SH110X drivers
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This example is for a 128x64 size display using I2C to communicate
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3 pins are required to interface (2 I2C and one reset)
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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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i2c SH1106 modified by Rupert Hirst 12/09/21
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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_SH110X.h>
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/* Uncomment the initialize the I2C address , uncomment only one, If you get a totally blank screen try the other*/
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#define i2c_Address 0x3c //initialize with the I2C addr 0x3C Typically eBay OLED's
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//#define i2c_Address 0x3d //initialize with the I2C addr 0x3D Typically Adafruit OLED's
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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#define OLED_RESET -1 // QT-PY / XIAO
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Adafruit_SH1106G display = Adafruit_SH1106G(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
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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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};
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void setup() {
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Serial.begin(9600);
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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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delay(250); // wait for the OLED to power up
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display.begin(i2c_Address, true); // Address 0x3C default
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//display.setContrast (0); // dim display
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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, SH110X_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 SH110X_WHITE circle, 10 pixel radius
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display.fillCircle(display.width() / 2, display.height() / 2, 10, SH110X_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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// text display tests
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display.setTextSize(1);
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display.setTextColor(SH110X_WHITE);
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display.setCursor(0, 0);
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display.println("Failure is always an option");
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display.setTextColor(SH110X_BLACK, SH110X_WHITE); // 'inverted' text
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display.println(3.141592);
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display.setTextSize(2);
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display.setTextColor(SH110X_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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display.clearDisplay();
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// miniature bitmap display
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display.drawBitmap(30, 16, logo16_glcd_bmp, 16, 16, 1);
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display.display();
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delay(1);
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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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display.clearDisplay();
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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], bitmap, w, h, SH110X_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], bitmap, w, h, SH110X_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(SH110X_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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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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}
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}
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void testfilltriangle(void) {
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uint8_t color = SH110X_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, SH110X_WHITE);
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if (color == SH110X_WHITE) color = SH110X_BLACK;
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else color = SH110X_WHITE;
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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}
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}
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void testfillroundrect(void) {
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uint8_t color = SH110X_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 == SH110X_WHITE) color = SH110X_BLACK;
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else color = SH110X_WHITE;
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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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, SH110X_WHITE);
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display.display();
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delay(1);
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}
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delay(250);
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} |