Initial commit

firmware/display/display.ino

@@ -0,0 +1,71 @@
+#include <SPI.h>
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+
+Adafruit_SSD1306 display = Adafruit_SSD1306(128, 32, &Wire);
+
+int setPoint = 69;
+
+#define BUTTON_A  31
+#define BUTTON_B  30
+#define BUTTON_C  27
+
+void setup() {
+  Serial.begin(9600);
+
+  Serial.println("OLED FeatherWing test");
+  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
+  display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // Address 0x3C for 128x32
+
+  Serial.println("OLED begun");
+
+  // Show image buffer on the display hardware.
+  // Since the buffer is intialized with an Adafruit splashscreen
+  // internally, this will display the splashscreen.
+  display.display();
+  delay(1000);
+
+  // Clear the buffer.
+  display.clearDisplay();
+  display.display();
+
+  Serial.println("IO test");
+
+  pinMode(BUTTON_A, INPUT_PULLUP);
+  pinMode(BUTTON_B, INPUT_PULLUP);
+  pinMode(BUTTON_C, INPUT_PULLUP);
+
+  // text display tests
+  display.setTextSize(3);
+  display.setTextColor(SSD1306_WHITE);
+  display.setCursor(0,0);
+  //display.print("Connecting to SSID\n'adafruit':");
+  //display.print("connected!");
+  //display.println("IP: 10.0.1.23");
+  display.println("Boot");
+  display.setCursor(0,0);
+  display.display(); // actually display all of the above
+}
+
+void loop() {
+
+  if (!digitalRead(BUTTON_A)) {
+    setPoint++;
+  } else if (!digitalRead(BUTTON_C)) {
+    setPoint--;
+  } else if (!digitalRead(BUTTON_B)) {
+    ; // GO!
+  }
+  
+  delay(50);
+
+  display.clearDisplay();
+
+  display.setCursor(0,0);
+  display.print(setPoint);
+  display.println(" PSI");
+  
+  yield();
+  display.display();
+}