renamed directory

#!/usr/bin/env python

# -*- coding: utf-8 -*-

# Copyright (C) 2013, Elphel.inc.

# Export range of GPIO (EMIO)registers

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#  

__author__ = "Andrey Filippov"

__copyright__ = "Copyright 2014, Elphel, Inc."

__license__ = "GPL"

__version__ = "3.0+"

__maintainer__ = "Andrey Filippov"

__email__ = "andrey@elphel.com"

__status__ = "Development"

from __future__ import print_function

import sys

if len(sys.argv) < 3 or (sys.argv[1] != "in" and sys.argv[1] != "out") :

    print ("Usage: ", sys.argv[0]+" <in|out> <gpio_number>[<gpio_max_number>]")

    exit (0)

mode = sys.argv[1]

gpio_low_n=int(sys.argv[2])

if len(sys.argv)>3:

    gpio_high_n=int(sys.argv[3])

else:

    gpio_high_n=gpio_low_n

print ("exporting as \""+mode+"\":", end=""),    

for gpio_n in range (gpio_low_n, gpio_high_n+1):

    print (" %d"%gpio_n, end="")

print()    

# bash> echo 240 > /sys/class/gpio/export

# bash> echo out > /sys/class/gpio/gpio240/direction

# bash> echo 1 > /sys/class/gpio/gpio240/value

for gpio_n in range (gpio_low_n, gpio_high_n+1):

    try:

        with open ("/sys/class/gpio/export","w") as f:

            print (gpio_n,file=f)

    except:

        print ("failed \"echo %d > /sys/class/gpio/export"%gpio_n)

    try:

        with open ("/sys/class/gpio/gpio%d/direction"%gpio_n,"w") as f:

            print (mode,file=f)

    except:

        print ("failed \"echo %s > /sys/class/gpio/gpio%d/direction"%(mode,gpio_n))

#!/usr/bin/env python

# -*- coding: utf-8 -*-

# Copyright (C) 2013, Elphel.inc.

# Read/write memory locations as 32-bit values

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#  

__author__ = "Andrey Filippov"

__copyright__ = "Copyright 2014, Elphel, Inc."

__license__ = "GPL"

__version__ = "3.0+"

__maintainer__ = "Andrey Filippov"

__email__ = "andrey@elphel.com"

__status__ = "Development"

import mmap

import sys

import struct

PAGE_SIZE=4096

endian="<" # little, ">" for big

if len(sys.argv)<2:

    print "Usage: ", sys.argv[0]+" address [data]"

    exit (0)

addr=int(sys.argv[1],16) & 0xfffffffc

data=0

writeMode=len(sys.argv)>2

if (writeMode):

    data=int(sys.argv[2],16)

with open("/dev/mem", "r+b") as f:

    page_addr=addr & (~(PAGE_SIZE-1))

    page_offs=addr-page_addr

    if (page_addr>=0x80000000):

        page_addr-= (1<<32)

    mm = mmap.mmap(f.fileno(), PAGE_SIZE, offset=page_addr)

    if writeMode:

        packedData=struct.pack(endian+"L",data)

        d=struct.unpack(endian+"L",packedData)[0]

        mm[page_offs:page_offs+4]=packedData

        print ("0x%08x <== 0x%08x (%d)"%(addr,d,d))

    else:

        data=struct.unpack(endian+"L",mm[page_offs:page_offs+4])

        d=data[0]

        print ("0x%08x ==> 0x%08x (%d)"%(addr,d,d))

    mm.close()

#!/usr/bin/env python

# -*- coding: utf-8 -*-

# Copyright (C) 2013, Elphel.inc.

# Dump a range of memory locations (physical)

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#  

__author__ = "Andrey Filippov"

__copyright__ = "Copyright 2014, Elphel, Inc."

__license__ = "GPL"

__version__ = "3.0+"

__maintainer__ = "Andrey Filippov"

__email__ = "andrey@elphel.com"

__status__ = "Development"

import mmap

import sys

import struct

PAGE_SIZE=4096

endian="<" # little, ">" for big

if len(sys.argv)<=1:

    print "Usage: ", sys.argv[0]+" start_address end_address"

    exit (0)

start_addr=int(sys.argv[1],16) & 0xfffffffc

if len(sys.argv)>2:

    end_addr=int(sys.argv[2],16) & 0xfffffffc

else:

    end_addr=start_addr

data=0

writeMode=len(sys.argv)>2

with open("/dev/mem", "r+b") as f:

    for addr in range (start_addr,end_addr+4,4):

        page_addr=addr & (~(PAGE_SIZE-1))

        if (addr == start_addr) or ((addr & 0x3f) == 0):

	      print ("\n0x%08x:"%addr),

        page_offs=addr-page_addr

        if (page_addr>=0x80000000):

            page_addr-= (1<<32)

        mm = mmap.mmap(f.fileno(), PAGE_SIZE, offset=page_addr)

        data=struct.unpack(endian+"L",mm[page_offs:page_offs+4])

        d=data[0]

        print ("%08x"%d),

        mm.close()

#!/usr/bin/env python

# -*- coding: utf-8 -*-

# Copyright (C) 2013, Elphel.inc.

# Monitor a range of GPIO bits (should be exported first)

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

#  

__author__ = "Andrey Filippov"

__copyright__ = "Copyright 2014, Elphel, Inc."

__license__ = "GPL"

__version__ = "3.0+"

__maintainer__ = "Andrey Filippov"

__email__ = "andrey@elphel.com"

__status__ = "Development"

from __future__ import print_function

import sys

if len(sys.argv) < 2 :

    print ("Usage: ", sys.argv[0]+" <gpio_number>[<gpio_max_number>]")

    exit (0)

gpio_low_n=int(sys.argv[1])

if len(sys.argv)>2:

    gpio_high_n=int(sys.argv[2])

else:

    gpio_high_n=gpio_low_n

print ("gpio %d.%d: "%(gpio_high_n,gpio_low_n), end=""),    

# bash> echo 240 > /sys/class/gpio/export

# bash> echo out > /sys/class/gpio/gpio240/direction

# bash> echo 1 > /sys/class/gpio/gpio240/value

for gpio_n in range (gpio_high_n, gpio_low_n-1,-1):

    if gpio_n != gpio_high_n and ((gpio_n-gpio_low_n+1) % 4) == 0:

        print (".",end="")

    try:

        with open ("/sys/class/gpio/gpio%d/value"%gpio_n,"r") as f:

            print (f.read(1),end="")

    except:

        print ("X",end="")

print()