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64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
#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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Adafruit_SSD1306 display = Adafruit_SSD1306();
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#define BUTTON_A 0
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#define BUTTON_B 16
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#define BUTTON_C 2
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#define LED 0
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#if (SSD1306_LCDHEIGHT != 32)
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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(115200);
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Serial.println("OLED FeatherWing test");
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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, 0x3C); // initialize with the I2C addr 0x3C (for the 128x32)
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// init done
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Serial.println("OLED begun");
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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(1000);
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// Clear the buffer.
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display.clearDisplay();
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display.display();
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Serial.println("IO test");
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pinMode(BUTTON_A, INPUT_PULLUP);
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pinMode(BUTTON_B, INPUT_PULLUP);
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pinMode(BUTTON_C, INPUT_PULLUP);
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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.print("Connecting to SSID\n'adafruit':");
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display.print("connected!");
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display.println("IP: 10.0.1.23");
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display.println("Sending val #0");
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display.setCursor(0,0);
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display.display(); // actually display all of the above
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}
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void loop() {
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if (! digitalRead(BUTTON_A)) display.print("A");
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if (! digitalRead(BUTTON_B)) display.print("B");
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if (! digitalRead(BUTTON_C)) display.print("C");
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delay(10);
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yield();
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display.display();
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}
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