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71 lines
1.6 KiB
71 lines
1.6 KiB
#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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