Hello, The problem seems to be the return type of the dataGet function. You should check it. You should be careful when you convert uint32_t to ints in java, because you may have overflows (java doesn't allow unsigned types) that aren't easy to find. Good luck
2010/2/16 Sam Azarro <[email protected]>: > Thanks for your reply. > i tried that. > in fact, in TestSerialc.nc i did : uint8_t matrix[2][2] = { {0,1}, {2,3} }; > in TestSerial.h : nx_uint32_t matrix[2][2]; > and in Testserial.java : > public void messageReceived(int to, Message message) { > int [][] matrix = new int [2][2]; > int i,j; > TestSerialMsg msg = (TestSerialMsg)message; > for(i=0; i<2 ; i++) > for (j=0; j<2; j++) > { > System.out.println("Received packet sequence number " + > msg.dataGet()[0][0] + msg.dataGet()[0][1] + msg.dataGet()[1][0] + + > msg.dataGet()[1][1]); > } > } > > > i know that i'm using dataGet() method badly in this case but i don't know > how to fix it!!!! i get this error: > > $ make telosb install > mkdir -p build/telosb > javac -target 1.4 -source 1.4 *.java > TestSerial.java:74: array required, but byte found > System.out.println("Received packet sequence number " + > msg.dataGet()[0][0] + msg.dataGet()[0][1] + msg.dataGet()[1][0] + + msg.data > Get()[1][1]); > > ^ > TestSerial.java:74: array required, but byte found > System.out.println("Received packet sequence number " + > msg.dataGet()[0][0] + msg.dataGet()[0][1] + msg.dataGet()[1][0] + + msg.data > Get()[1][1]); > > ^ > TestSerial.java:74: array required, but byte found > System.out.println("Received packet sequence number " + > msg.dataGet()[0][0] + msg.dataGet()[0][1] + msg.dataGet()[1][0] + + msg.data > Get()[1][1]); > > ^ > TestSerial.java:74: array required, but byte found > System.out.println("Received packet sequence number " + > msg.dataGet()[0][0] + msg.dataGet()[0][1] + msg.dataGet()[1][0] + + msg.data > Get()[1][1]); > > ^ > 4 errors > make: *** [TestSerial.class] Error 1 > > > even when i change byte [][] matrix = new byte [2][2]; i get the same error > > can you help me please?? > > Regards, > > ________________________________ > Votre messagerie et bien plus où que vous soyez. Passez à Windows Live > Hotmail, c'est gratuit ! Inscrivez-vous -- Jordi Soucheiron Software Engineer DEXMA Parc Tecnològic la Salle Sant Joan de la Salle, 42 08022 Barcelona t/f: [+34] 93 181 01 95 www.dexmatech.com [email protected] _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
