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#insmod ./driver_xx.ko
´Ëʱ#cat /proc/devices ÄÜ¿´µ½ driver_xx É豸
#mknod /dev/mygpio c 230 0 (230ÊÇÖ÷É豸ºÅ£¬0ÊÇ×ÓÉ豸ºÅ£©
{ÕâÀï¿ÉÒÔÐÞ¸ÄÉ豸Ãû³Æ,µ«ÊÇÒªºÍ²âÊÔ³ÌÐòÖÐÒ»Ö fd_pio = open(“/dev/mygpio”, O_RDWR);
×îºÃºÍregister_chrdev(MY_PIO_MAJOR, "mygpio", &my_pio_fops)ÖеÄÒ»ÖÂ}
ʹÓÃ#cd /dev
      #ls
Äܹ»¿´µ½mygpio ½Úµã
ʹÓÃ#cat /proc/interrupts Äܹ»¿´µ½Ê¹ÓõÄÖжϺÅ
#chmod 777 a.out
#./a.out
#rmmod ./driver_xx.ko


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