$ make
g++ -c -I/home/c7p/include -I./src -I./obj -g ./src/usbnxt.cc -o ./obj/usbnxt.o
./src/usbnxt.cc: In member function ‘int UsbNxt::_fails(const char*)’:
./src/usbnxt.cc:91:51: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc: In member function ‘int UsbNxt::battery_level()’:
./src/usbnxt.cc:121:2: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc: In member function ‘int UsbNxt::list_files()’:
./src/usbnxt.cc:233:3: error: cast from ‘const char*’ to ‘unsigned int’ loses precision [-fpermissive]
./src/usbnxt.cc:243:54: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:261:55: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc: In member function ‘int UsbNxt::download(char*)’:
./src/usbnxt.cc:303:68: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:312:3: error: cast from ‘char*’ to ‘unsigned int’ loses precision [-fpermissive]
./src/usbnxt.cc:320:79: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:335:76: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:346:3: error: cast from ‘char*’ to ‘unsigned int’ loses precision [-fpermissive]
./src/usbnxt.cc:363:79: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:374:59: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:402:79: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:420:74: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc: In member function ‘bool UsbNxt::_file_exists(char*)’:
./src/usbnxt.cc:434:51: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:438:3: error: cast from ‘char*’ to ‘unsigned int’ loses precision [-fpermissive]
./src/usbnxt.cc: In member function ‘int UsbNxt::_file_delete(char*)’:
./src/usbnxt.cc:455:52: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:459:3: error: cast from ‘char*’ to ‘unsigned int’ loses precision [-fpermissive]
./src/usbnxt.cc: In member function ‘int UsbNxt::upload(char*)’:
./src/usbnxt.cc:488:63: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:496:66: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:504:56: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:510:38: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:520:68: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:523:63: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:534:3: error: cast from ‘char*’ to ‘unsigned int’ loses precision [-fpermissive]
./src/usbnxt.cc:551:23: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
./src/usbnxt.cc:574:5: error: cast from ‘char*’ to ‘unsigned int’ loses precision [-fpermissive]
./src/usbnxt.cc:601:72: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]
make: *** [obj/usbnxt.o] Error 1