Add display testing

Author: Nathan Seidle

Firmware/Display/Display.ino

@@ -0,0 +1,59 @@
+/*
+   MicroOLED_Clock.ino
+
+   Distributed as-is; no warranty is given.
+*/
+#include <Wire.h>  // Include Wire if you're using I2C
+#include <SFE_MicroOLED.h>  // Include the SFE_MicroOLED library
+
+#define PIN_RESET 9  // Connect RST to pin 9 (SPI & I2C)
+#define DC_JUMPER 1 // Set to either 0 (SPI, default) or 1 (I2C) based on jumper, matching the value of the DC Jumper
+MicroOLED oled(PIN_RESET, DC_JUMPER);
+
+uint8_t Battery_0 [] = {
+0xFF, 0x01, 0xFD, 0xFD, 0xFD, 0x01, 0x01, 0xFD, 0xFD, 0xFD, 0x01, 0x01, 0xFD, 0xFD, 0xFD, 0x01,
+0x0F, 0x08, 0xF8, 0x0F, 0x08, 0x0B, 0x0B, 0x0B, 0x08, 0x08, 0x0B, 0x0B, 0x0B, 0x08, 0x08, 0x0B,
+0x0B, 0x0B, 0x08, 0x0F, 0x01, 0x01, 
+};
+
+bool displayDetected = false;
+
+void setup()
+{
+  Wire.begin();
+  Wire.setClock(400000);
+
+  Serial.begin(115200);
+  delay(100);
+  Serial.println("OLED example");
+
+  //0x3D is default on Qwiic board
+  if (isConnected(0x3D) == true || isConnected(0x3C) == true)
+  {
+    Serial.println("Display detected");
+    displayDetected = true;
+  }
+  else
+    Serial.println("No display detected");
+
+  if (displayDetected)
+  {
+    oled.begin();     // Initialize the OLED
+    oled.clear(PAGE); // Clear the display's internal memory
+    oled.clear(ALL);  // Clear the library's display buffer
+  }
+}
+
+void loop()
+{
+  if (displayDetected)
+  {
+    oled.drawIcon(0, 0, 19, 16, Battery_0, sizeof(Battery_0), true);
+    oled.display();
+
+    while(1);
+  }
+
+  Serial.print(".");
+  delay(100);
+}

Firmware/Display/DisplayHelper.ino

@@ -0,0 +1,7 @@
+bool isConnected(uint8_t deviceAddress)
+{
+  Wire.beginTransmission(deviceAddress);
+  if (Wire.endTransmission() == 0)
+    return true;
+  return false;
+}

Firmware/Display_Icon/DisplayHelper.ino

@@ -0,0 +1,7 @@
+bool isConnected(uint8_t deviceAddress)
+{
+  Wire.beginTransmission(deviceAddress);
+  if (Wire.endTransmission() == 0)
+    return true;
+  return false;
+}

Firmware/Display_Icon/Display_Icon.ino

@@ -0,0 +1,96 @@
+/*
+  Micro OLED Display Icon
+  Nathan Seidle @ SparkFun Electronics
+  Original Creation Date: November 15, 2020
+  
+  Draw a variable sized icon anywhere on the display
+
+  This is helpful when you need a icon (GPS, battery, etc)
+  on a certain part of the screen.
+  
+  This code is beerware; if you see me (or any other SparkFun 
+  employee) at the local, and you've found our code helpful, 
+  please buy us a round!
+  
+  Distributed as-is; no warranty is given.
+*/
+#include <Wire.h>
+#include <SFE_MicroOLED.h> //Click here to get the library: http://librarymanager/All#SparkFun_Micro_OLED
+
+#define PIN_RESET 9
+#define DC_JUMPER 1 // Set to either 0 (SPI, default) or 1 (I2C) based on jumper, matching the value of the DC Jumper
+MicroOLED oled(PIN_RESET, DC_JUMPER);
+
+//A 20 x 17 pixel image of a truck in a box
+//Use http://en.radzio.dxp.pl/bitmap_converter/ to generate output
+//Make sure the bitmap is n*8 pixels tall (pad white pixels to lower area as needed)
+//Otherwise the bitmap bitmap_converter will compress some of the bytes together
+uint8_t truck [] = {
+  0xFF, 0x01, 0xC1, 0x41, 0x41, 0x41, 0x71, 0x11, 0x11, 0x11, 0x11, 0x11, 0x71, 0x41, 0x41, 0xC1,
+  0x81, 0x01, 0xFF, 0xFF, 0x80, 0x83, 0x82, 0x86, 0x8F, 0x8F, 0x86, 0x82, 0x82, 0x82, 0x86, 0x8F,
+  0x8F, 0x86, 0x83, 0x81, 0x80, 0xFF,
+};
+
+int iconHeight = 17;
+int iconWidth = 20;
+
+bool displayDetected = false;
+
+void setup()
+{
+  Wire.begin();
+  Wire.setClock(2000000);
+
+  Serial.begin(115200);
+  delay(100);
+  Serial.println("Display Icon OLED example");
+
+  //0x3D is default on Qwiic board
+  if (isConnected(0x3D) == true || isConnected(0x3C) == true)
+  {
+    Serial.println("Display detected");
+    displayDetected = true;
+  }
+  else
+  {
+    Serial.println("No display detected. Freezing...");
+    while(1);
+  }
+
+  if (displayDetected)
+  {
+    oled.begin();     // Initialize the OLED
+    oled.clear(PAGE); // Clear the display's internal memory
+    oled.clear(ALL);  // Clear the library's display buffer
+    oled.display();   // Display what's in the buffer (splashscreen)
+
+  }
+}
+
+int iconX = 0;
+int iconXChangeAmount = 1;
+int iconY = 0;
+int iconYChangeAmount = 1;
+
+void loop()
+{
+  if (displayDetected)
+  {
+    oled.drawIcon(iconX, iconY, iconWidth, iconHeight, truck, sizeof(truck), true);
+    oled.display();
+
+    //Move the icon
+    iconX += iconXChangeAmount;
+    iconY += iconYChangeAmount;
+
+    if (iconX + iconWidth >= 64)
+      iconXChangeAmount *= -1; //Change direction
+    if (iconX == 0)
+      iconXChangeAmount *= -1; //Change direction
+
+    if (iconY + iconHeight >= 48)
+      iconYChangeAmount *= -1; //Change direction
+    if (iconY == 0)
+      iconYChangeAmount *= -1; //Change direction
+  }
+}