interrupt application code

* compile :

* $/usr/local/arm/2.95.3/bin/arm-linux-gcc -o interrupt interrupt.c

* $cp interrupt /tftpboot/examples

* run in target:

* #mount 192.168.1.180:/tftpboot/ /mnt/nfs

* #cd /mnt/nfs/examples

* #insmod eintdrv.o

* #mknod eint c 98 0

* #./interrupt-interrupt application code

* compile :

*　　　　　$/usr/local/arm/2.95.3/bin/arm-linux-gcc-o interrupt interrupt.c

*　　　　　$cp interrupt /tftpboot/examples

* run in target:

*　　　　 #mount 192.168.1.180:/tftpboot/ /mnt/nfs

*　　　　 #cd /mnt/nfs/examples

*　　　　 #insmod eintdrv.o

*　　　　 #mknod eint c 98 0

*　　　　 #./interrupt