Commit acbd78df authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
Browse files

make static nodes using udev rules

parent 9a148fa2

generate_mknods.py

+27 −1
Original line number Original line Diff line number Diff line
@@ -19,7 +19,7 @@ 
@author:     Andrey Filippov

@author:     Andrey Filippov

@copyright:  2016 Elphel, Inc.

@copyright:  2016 Elphel, Inc.

@license:    GPLv3.0+

@license:    GPLv3.0+

@contact:    andrey@elphel.coml

@contact:    andrey@elphel.com

@deffield    updated: Updated

@deffield    updated: Updated

'''

'''

from __future__ import division

from __future__ import division
@@ -34,7 +34,26 @@ __version__ = "3.0+" 
__maintainer__ = "Andrey Filippov"

__maintainer__ = "Andrey Filippov"

__email__ = "andrey@elphel.com"

__email__ = "andrey@elphel.com"

__status__ = "Development"

__status__ = "Development"



def create_udev_rules_file(contents):

  c  = "# --- This is an auto-generated file, see "+sys.argv[0]+"\n"

  c += "ACTION!=\"add\", GOTO=\"static_nodes_end\"\n\n"

  c += contents

  c += "\nLABEL=\"static_nodes_end\""



  f = open('50-elphel-static-nodes.rules','w')

  f.write(c)

  f.close()



def get_udev_rule(mode, name, devtype, major, minor,comment):

  tmpstr  = comment.strip()+"\n"

  tmpstr += "ACTION==\"add\", RUN+=\"/bin/mknod -m "+mode+" /dev/"+name+" "+devtype+" "+major+" "+minor+"\"\n"

  return tmpstr



def process_header():

def process_header():



    rulestr = ""



    print("# --- This is an auto-generated file, see %s ---"%(sys.argv[0]))

    print("# --- This is an auto-generated file, see %s ---"%(sys.argv[0]))

    print("define mknodes =")

    print("define mknodes =")

    pat=re.compile(r'#define\s+(\w+)\s+\(\s*"([^"]+)"\s*,\s*"([^"]+)"\s*,\s*(\w*)\s*,\s*(\w*)\s*,\s*"([^"]+)"\s*,\s*"([^"]+)"\s*\)(.*)')

    pat=re.compile(r'#define\s+(\w+)\s+\(\s*"([^"]+)"\s*,\s*"([^"]+)"\s*,\s*(\w*)\s*,\s*(\w*)\s*,\s*"([^"]+)"\s*,\s*"([^"]+)"\s*\)(.*)')
@@ -52,7 +71,14 @@ def process_header(): 
                comment = " # "+comment

                comment = " # "+comment

            print("mknod -m %s $(TARGETDIR)/%-20s %s %3s %3s%s"%(

            print("mknod -m %s $(TARGETDIR)/%-20s %s %3s %3s%s"%(

                fs.group(6), fs.group(2), fs.group(7), fs.group(4), fs.group(5), comment))

                fs.group(6), fs.group(2), fs.group(7), fs.group(4), fs.group(5), comment))



            rulestr += get_udev_rule(fs.group(6), fs.group(2), fs.group(7), fs.group(4), fs.group(5), comment)



        line = f.readline()

        line = f.readline()



    if rulestr != "":

        create_udev_rules_file(rulestr)



    print("endef")

    print("endef")

if __name__ == "__main__":

if __name__ == "__main__":

    process_header()
 
    process_header()