renamed directory

python/exp_gpio.py

+#!/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))
+            

python/mem.py

+#!/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()

python/memdump.py

+#!/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()

python/mon_gpio.py

+#!/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()