private int _I2cRead16(byte devAddr, byte[] regAddr, byte length, byte[] data)
{
int rv;
if (i2cMaster.connected == false)
{
if (_I2cMasterConnect() < 0)
{
return(-1);
}
}
if (_SetQsfpMode(0x4D) < 0)
{
return(-1);
}
rv = i2cMaster.Read16Api(devAddr, regAddr, length, data);
if (rv < 0)
{
MessageBox.Show("QSFP+ module no response!!");
_I2cMasterDisconnect();
}
else if (rv != length)
{
MessageBox.Show("Only read " + rv + " not " + length + " byte Error!!");
}
return(rv);
}