MPU401D
mpu->write(mpu, 0x00, MPU401D(mpu));
if (mpu->read(mpu, MPU401D(mpu)) == MPU401_ACK)
if (!ok && mpu->read(mpu, MPU401D(mpu)) == MPU401_ACK)
mpu->read(mpu, MPU401D(mpu)));
mpu->read(mpu, MPU401D(mpu));
byte = mpu->read(mpu, MPU401D(mpu));
mpu->write(mpu, byte, MPU401D(mpu));
mpu->read(mpu, MPU401D(mpu));
outb(0, MPU401D(mpu));