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athoik/ci_ioctl.py

Created November 21, 2017 21:07
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test ci ioctl
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ci_ioctl.py
import os
import ctypes
libc = ctypes.cdll.LoadLibrary('libc.so.6')
ioctl = libc.ioctl
buffer = ctypes.c_char_p("\0"*256)
fd = os.open("/dev/ci0", os.O_RDWR | os.O_NONBLOCK)
ioctl(fd, 1, buffer)
print "len=", len(buffer.value), "buffer=", buffer.value
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