+#ifdef RGBW_BB_TWI
+
+// Port for the I2C
+#define I2C_DDR DDRD
+#define I2C_PIN PIND
+#define I2C_PORT PORTD
+
+// Pins to be used in the bit banging
+#define I2C_CLK 0
+#define I2C_DAT 1
+
+#define I2C_DATA_HI()\
+I2C_DDR &= ~ (1 << I2C_DAT);\
+I2C_PORT |= (1 << I2C_DAT);
+#define I2C_DATA_LO()\
+I2C_DDR |= (1 << I2C_DAT);\
+I2C_PORT &= ~ (1 << I2C_DAT);
+
+#define I2C_CLOCK_HI()\
+I2C_DDR &= ~ (1 << I2C_CLK);\
+I2C_PORT |= (1 << I2C_CLK);
+#define I2C_CLOCK_LO()\
+I2C_DDR |= (1 << I2C_CLK);\
+I2C_PORT &= ~ (1 << I2C_CLK);
+
+#define I2C_DELAY 1
+
+void I2C_WriteBit(unsigned char c)
+{
+ if (c > 0)
+ {
+ I2C_DATA_HI();
+ }
+ else
+ {
+ I2C_DATA_LO();
+ }
+
+ I2C_CLOCK_HI();
+ _delay_us(I2C_DELAY);
+
+ I2C_CLOCK_LO();
+ _delay_us(I2C_DELAY);
+
+ if (c > 0)
+ {
+ I2C_DATA_LO();
+ }
+
+ _delay_us(I2C_DELAY);
+}
+
+// Inits bitbanging port, must be called before using the functions below
+//
+void I2C_Init(void)
+{
+ I2C_PORT &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
+
+ I2C_CLOCK_HI();
+ I2C_DATA_HI();
+
+ _delay_us(I2C_DELAY);
+}
+
+// Send a START Condition
+//
+void I2C_Start(void)
+{
+ // set both to high at the same time
+ I2C_DDR &= ~ ((1 << I2C_DAT) | (1 << I2C_CLK));
+ _delay_us(I2C_DELAY);
+
+ I2C_DATA_LO();
+ _delay_us(I2C_DELAY);
+
+ I2C_CLOCK_LO();
+ _delay_us(I2C_DELAY);
+}
+
+// Send a STOP Condition
+//
+void I2C_Stop(void)
+{
+ I2C_CLOCK_HI();
+ _delay_us(I2C_DELAY);
+
+ I2C_DATA_HI();
+ _delay_us(I2C_DELAY);
+}
+
+// write a byte to the I2C slave device
+//
+unsigned char I2C_Write(unsigned char c)
+{
+ for (char i = 0; i < 8; i++)
+ {
+ I2C_WriteBit(c & 128);
+
+ c <<= 1;
+ }
+
+
+ I2C_WriteBit(0);
+ _delay_us(I2C_DELAY);
+ _delay_us(I2C_DELAY);
+
+ // _delay_us(I2C_DELAY);
+ //return I2C_ReadBit();
+ return 0;
+}
+
+
+#endif
+