Format RoadHawk helmet cam and add new date file

fmtroadhawk.py

import sys, time, os
from ctypes import *


def myFmtCallback(command, modifier, arg):
    #print("command = ", command)
    return 1    # TRUE

def format_drive(Drive, Format, Title):
    fm = windll.LoadLibrary('fmifs.dll')
    FMT_CB_FUNC = WINFUNCTYPE(c_int, c_int, c_int, c_void_p)
    FMIFS_UNKNOWN = 0
    clustersize = c_int(32768) # 32K cluster size
    fm.FormatEx(c_wchar_p(Drive), FMIFS_UNKNOWN, c_wchar_p(Format),
                c_wchar_p(Title), True, clustersize, FMT_CB_FUNC(myFmtCallback))
                
def adddatetime(ldrive):
    f = open(os.path.join(ldrive, "time.txt"), "w")
    s = "%s" % time.strftime("%Y %m %d %H %M %S", time.localtime())
    print s
    f.write(s)
    f.close()
    
if __name__ == "__main__":
    # the drive letter
    ldrive = sys.argv[1]
    assert ldrive[0].lower() != 'c'
    assert len(ldrive) == 2 and ldrive[-1] == ':'
    
    # format
    format_drive(ldrive, 'FAT32', 'NEW VOLUME')

    # need to add a few directories, so that setting the time will have an effect
    os.makedirs(os.path.join(ldrive, "DCIM", "100MEDIA"))

    # add date and time
    adddatetime(ldrive)