Cdata initial
From Jollen's Wiki
[編輯]
裝置檔建立
linux@linux-desktop:~/driver/cdata-initial$ ls -l /dev/debug* crw-r--r-- 1 root root 121, 0 2008-04-19 22:05 /dev/debug crw-r--r-- 1 root root 121, 1 2008-04-19 22:06 /dev/debug1
[編輯]
執行 user program
linux@linux-desktop:~/driver/cdata-initial$ sudo ./test1 linux@linux-desktop:~/driver/cdata-initial$ sudo ./test1 linux@linux-desktop:~/driver/cdata-initial$ dmesg
[編輯]
結果
[ 279.420230] device number: 126877696 [ 279.420242] minor number: 0 [ 279.420244] hello!!! [ 285.404511] device number: 126877697 [ 285.404523] minor number: 1 [ 285.404525] world!!
