void IS_IIC_WriteBuffer(uint8_t Dev_Add)
{
  IS_IIC_WriteByte(Addr_GND,0xfe,0xc5);//unlock
  IS_IIC_WriteByte(Addr_GND,0xfD,0x00);//write page 0

  Wire.beginTransmission(Dev_Add/2); // transmit to device IS31FL373x
  Wire.write(0x00); // send address of first pixel in page
  Wire.write(0xFF); // send value of first pixel of first page
  Wire.write(/*data of second pixel on page*/, 179); /*len of first page minus 1*/
  Wire.endTransmission();


  IS_IIC_WriteByte(Addr_GND,0xfe,0xc5);//unlock
  IS_IIC_WriteByte(Addr_GND,0xfD,0x01);//write page 1

  Wire.beginTransmission(Dev_Add/2); // transmit to device IS31FL373x
  Wire.write(0x00); // send address of first pixel in page
  Wire.write(0xFF); // send value of first pixel of first page
  Wire.write(/*data of second pixel on page*/, 179); /*len of first page minus 1*/
  Wire.endTransmission()'

}