semtex

in this code there is a boolean (mpuIntStatus & 0x02) mpuIntStatus = mpu.getIntStatus(); // get current FIFO count fifoCount = mpu.getFIFOCount(); // check for overflow (this should never happen unless our code is too inefficient) if ((mpuIntStatus & 0x10) || fifoCount == 1024) { // reset so we can continue cleanly mpu.resetFIFO(); Serial.println(F("FIFO overflow!")); // otherwise, check for DMP data ready interrupt (this should happen frequently) } else if (mpuIntStatus & 0x02) when i look at the register where mpu.getIntStatus() gets his value ...Register 58 – Interrupt Status mpu6050 .. I see bit 1 is empty (has no purpose) soo i dont understand the boolean (mpuIntStatus & 0x02) ... witch seem to do a logic AND operation with this bit i must be seeing something wrong ... could anybody help me explaining the boolean (mpuIntStatus & 0x02 ?? grtz Ido