public void setDots(bool dot0, bool dot1, bool dot2, bool dot3)
{
m_dots = 0;
if (dot0) m_dots |= 1 << 1;
if (dot1) m_dots |= 1 << 2;
if (dot2) m_dots |= 1 << 3;
if (dot3) m_dots |= 1 << 4;
I2CDevice.I2CTransaction[] write = new I2CDevice.I2CTransaction[] {
I2CDevice.CreateWriteTransaction(new byte[] { 0x85, m_dots })
};
m_display.Execute(write, 1000);
}