72 lines
1.6 KiB
C++
72 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(128, 32, &Wire);
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int setPoint = 69;
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#define BUTTON_A 31
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#define BUTTON_B 30
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#define BUTTON_C 27
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void setup() {
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Serial.begin(9600);
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Serial.println("OLED FeatherWing test");
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// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
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display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // Address 0x3C for 128x32
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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(3);
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display.setTextColor(SSD1306_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("Boot");
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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)) {
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setPoint++;
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} else if (!digitalRead(BUTTON_C)) {
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setPoint--;
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} else if (!digitalRead(BUTTON_B)) {
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; // GO!
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}
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delay(50);
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display.clearDisplay();
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display.setCursor(0,0);
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display.print(setPoint);
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display.println(" PSI");
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yield();
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display.display();
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}
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