2 files changed, 113 insertions, 0 deletions

diff --git a/src/i2ccheck.cpp.q b/src/i2ccheck.cpp.q
new file mode 100644
index 0000000..f849ba1
--- /dev/null
+++ b/src/i2ccheck.cpp.q
@@ -0,0 +1,51 @@
+#include <Wire.h>
+#include <Arduino.h>
+
+void setup() {
+  Wire.begin();
+
+  Serial.begin(9600);
+  while (!Serial);             // Leonardo: wait for serial monitor
+  Serial.println("\nI2C Scanner");
+}
+
+void loop() {
+  byte error, address;
+  int nDevices;
+
+  Serial.println("Scanning...");
+
+  nDevices = 0;
+  for (address = 1; address < 127; address++ )
+  {
+    // The i2c_scanner uses the return value of
+    // the Write.endTransmisstion to see if
+    // a device did acknowledge to the address.
+    Wire.beginTransmission(address);
+    error = Wire.endTransmission();
+
+    if (error == 0)
+    {
+      Serial.print("I2C device found at address 0x");
+      if (address < 16)
+        Serial.print("0");
+      Serial.print(address, HEX);
+      Serial.println("  !");
+
+      nDevices++;
+    }
+    else if (error == 4)
+    {
+      Serial.print("Unknown error at address 0x");
+      if (address < 16)
+        Serial.print("0");
+      Serial.println(address, HEX);
+    }
+  }
+  if (nDevices == 0)
+    Serial.println("No I2C devices found\n");
+  else
+    Serial.println("done\n");
+
+  delay(5000);           // wait 5 seconds for next scan
+}
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..ad04a67
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,62 @@
+#include <Arduino.h>
+//#include <Wire.h>
+#include <Adafruit_SSD1306.h>
+
+Adafruit_SSD1306 display(128, 64);
+
+uint8_t zz[]={
+  0b11111111,
+  0b11111111,
+  0b11111111,
+
+  0b11011001,
+  0b11100010,
+  0b01111111,
+
+  0b10011010,
+  0b10111010,
+  0b10111111,
+  
+  0b11011101,
+  0b11110110,
+  0b10111111,
+
+  0b11011010,
+  0b10111010,
+  0b10111111,
+
+  0b10001100,
+  0b11100011,
+  0b00111111,
+
+  0b11111111,
+  0b11111111,
+  0b11111111
+};
+
+void setup() {
+  digitalWrite(2, 0);
+  delay(500);
+  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3c)){
+    digitalWrite(2, 1);
+    while (true);
+  }
+  //display.display();
+  //delay(2000);
+  //display.drawLine(10, 10, 20, 20,1);
+  display.clearDisplay();
+
+  display.drawBitmap(80, 0, zz, 24,7,1);
+  //display.setCursor(35,30);
+  //display.setTextColor(2);
+  //display.println("Cicho\xa4\xb0\xb1\xb2");
+
+  display.display();
+}
+
+void loop() {
+  //digitalWrite(2, 0);
+  //delay(1000);
+  //digitalWrite(2, 1);
+  //delay(1000);
+}
\ No newline at end of file