Thread: Why this bitwise do not work?

Hi everyone,

I believe that this is very simple but I cannot figure out why the following bitwise operation do not work

Code:

 // Get the unique identifier of the device
  uint32_t msb;
  uint32_t lsb;


  lsb = NRF_FICR->DEVICEID[0]; // read the less significant 32bits
  msb = NRF_FICR->DEVICEID[1]; // read the most significant 32bits
  uint64_t deviceID = (uint64_t)msb << 32 || lsb; // 64 bit unique device identifier


  NRF_LOG_INFO("lsb: %x", lsb);
  NRF_LOG_INFO("msb: %x", msb);
  NRF_LOG_INFO("Device ID: %x", deviceID);

As you can see I can read normally lsb and msb but the deviceID is 1



Any advice?

Nick

I told you that this is a simple one!! Thanks, I didn't notice!!