code init

libraries/AT23C32/AT24C32.cpp

@@ -0,0 +1,49 @@
+#include <Arduino.h>
+
+#include <Wire.h>
+
+#include <AT24C32.h>
+
+void AT24C32::begin()
+{
+  Wire.begin();
+};
+
+uint8_t AT24C32::read(int address)
+{
+  uint8_t result = 0;
+  bool read = true;
+  Wire.beginTransmission(AT24C32_I2C_ADDRESS);
+  if (Wire.endTransmission() == 0)
+  {
+    Wire.beginTransmission(AT24C32_I2C_ADDRESS);
+    Wire.write(address >> 8);
+    Wire.write(address & 0xff);
+    if (Wire.endTransmission() == 0)
+    {
+      Wire.requestFrom(AT24C32_I2C_ADDRESS, 1);
+      while (Wire.available() > 0 && read)
+      {
+        result = Wire.read();
+        read = false;
+      }
+
+      Wire.endTransmission();
+    }
+  }
+  return result;
+}
+
+void AT24C32::write(int address, uint8_t data)
+{
+  Wire.beginTransmission(AT24C32_I2C_ADDRESS);
+  if (Wire.endTransmission() == 0)
+  {
+    Wire.beginTransmission(AT24C32_I2C_ADDRESS);
+    Wire.write(address >> 8);
+    Wire.write(address & 0xff);
+    Wire.write(data);
+    Wire.endTransmission();
+    delay(20);
+  }
+}

libraries/AT23C32/AT24C32.h

@@ -0,0 +1,28 @@
+#ifndef AT24C32_h
+#define AT24C32_h
+
+#include <Arduino.h>
+
+class AT24C32
+{
+public:
+  void begin();
+  uint8_t read(int address);
+  void write(int address, uint8_t data);
+};
+
+// I2C address
+#define AT24C32_I2C_ADDRESS 0x57
+
+#define BRIGHTNESS_ADDRESS 0x0A00
+
+#define COLOR_ADDRESS 0x0A01
+
+#define VIEW_STATE_ADDRESS 0x0A02
+
+#define TIME_MODE_ADDRESS 0x0A03
+
+#define TEXT_SIZE_ADDRESS 0x0B00
+#define TEXT_ADDRESS 0x0B01
+
+#endif