/* Reads the firmware revision of the Si7021 chip.  */
uint32_t SI7021_getFwRev(uint8_t *fwRev)
/* Reads the firmware revision of the Si7021 chip.  */
uint32_t SI7021_getFwRev(uint8_t *fwRev)
{
   uint32_t status;
   uint8_t cmdReadFwRev[2] = SI7021_CMD_READ_FW_REV;
   status = SI7021_cmdRead( cmdReadFwRev, 2, fwRev, 1 );
   return status;
}