--- /dev/null
+#!/usr/bin/python\r
+# Copyright (c) 2015, Tobias Mueller tm(at)tm3d.de\r
+# All rights reserved. \r
+# \r
+# Redistribution and use in source and binary forms, with or without \r
+# modification, are permitted provided that the following conditions are \r
+# met: \r
+# \r
+# * Redistributions of source code must retain the above copyright \r
+# notice, this list of conditions and the following disclaimer. \r
+# * Redistributions in binary form must reproduce the above copyright \r
+# notice, this list of conditions and the following disclaimer in the \r
+# documentation and/or other materials provided with the \r
+# distribution. \r
+# * All advertising materials mentioning features or use of this \r
+# software must display the following acknowledgement: This product \r
+# includes software developed by tm3d.de and its contributors. \r
+# * Neither the name of tm3d.de nor the names of its contributors may \r
+# be used to endorse or promote products derived from this software \r
+# without specific prior written permission. \r
+# \r
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \r
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT \r
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR \r
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT \r
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, \r
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT \r
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, \r
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY \r
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT \r
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE \r
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \r
+\r
+\r
+\r
+\r
+import time\r
+import subprocess\r
+import sys\r
+\r
+def owcom(dev,send,rc):\r
+ res=[]\r
+ try:\r
+ f=open("/sys/bus/w1/devices/%s/rw" %(dev),"r+b",0)\r
+ except IOError:\r
+ l=subprocess.check_output("rmmod w1_therm",shell=True)\r
+ f=open("/sys/bus/w1/devices/%s/rw" %(dev),"r+b",0)\r
+ f.write("".join(map(chr, send)))\r
+ if (rc!=0):\r
+ res=map(ord,f.read(rc))\r
+ f.close()\r
+ return res\r
+ \r
+\r
+ \r
+\r
+def crc8(arr):\r
+ lscrc=0x0;\r
+ for v in arr:\r
+ bit=1;\r
+ while bit<256:\r
+ if (v&bit)==bit:\r
+ lb=1\r
+ else:\r
+ lb=0\r
+ if (lscrc&1)!=lb:\r
+ lscrc=(lscrc>>1)^0x8c \r
+ else:\r
+ lscrc=(lscrc>>1)\r
+ bit=bit*2\r
+ return lscrc\r
+ \r
+def testnr(s):\r
+ for c in s.lower()[:]:\r
+ if not((c) in ['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','-']):\r
+ return False\r
+ return True\r
+ \r
+def addid(id,val):\r
+ for i in range(7):\r
+ id[i+1]=id[i+1]+val\r
+ if id[i+1]>254:\r
+ id[i+1]=id[i+1]-254\r
+ val=1\r
+ else:\r
+ return id\r
+ return id\r
+#\r
+\r
+\r
+if len(sys.argv)<2:\r
+ print "A hex-File is needed! \n"\r
+ print "sudo python owflash.py test.hex"\r
+ exit(0)\r
+ \r
+\r
+\r
+\r
+#start search\r
+f=open("/sys/bus/w1/devices/w1_bus_master1/w1_master_search","r+b",0)\r
+f.write("-1")\r
+f.close() \r
+\r
+\r
+\r
+print "Open Hex File ...",\r
+fi=open(sys.argv[1],"r")\r
+data=[]\r
+for l in fi.readlines():\r
+ sys.stdout.write(".")\r
+ sys.stdout.flush()\r
+ bc=int(l[1:3],16)\r
+ fw=int(l[3:7],16)\r
+ ty=int(l[7:9],16)\r
+ chsm=bc+(fw>>8)+(fw&0xFF)+ty\r
+ for i in range(bc):\r
+ p=9+(i*2)\r
+ d=int(l[p:p+2],16)\r
+ chsm=(chsm+d)&0xFF\r
+ data.append(d)\r
+ chsm=(chsm+int(l[9+bc*2:11+bc*2],16))&0xFF\r
+ if (chsm!=0):\r
+ print "Error Checksum...."\r
+ exit()\r
+ #print bc,fw,ty,chsm\r
+fi.close()\r
+print\r
+\r
+l=subprocess.check_output("ls /sys/bus/w1/devices/", shell=True)\r
+dc=0\r
+dl=[]\r
+for g in (l.split("\n")):\r
+ if len(g)>2:\r
+ if testnr(g[0:2]):\r
+ dl.append(g)\r
+ dc=dc+1\r
+ print dc,") ",g\r
+if dc==0:\r
+ print "No 1-Wire Device found"\r
+ exit(0)\r
+n=int(raw_input("No. of Device: "))\r
+n=n-1\r
+if (n>dc-1)or(n<0):\r
+ exit(0)\r
+s=dl[n]\r
+if (s!="a3-55aa55aa55aa"):\r
+ sys.stdout.write('Go to Flashmode....')\r
+ sys.stdout.flush()\r
+ owcom(s,[0x88],0)\r
+ owcom(s,[0x88],0)\r
+ owcom(s,[0x88],0)\r
+ for i in range (20):\r
+ l=subprocess.check_output("ls /sys/bus/w1/devices/", shell=True)\r
+ dc=0\r
+ dl=[]\r
+ sys.stdout.write(".")\r
+ sys.stdout.flush()\r
+ for g in (l.split("\n")):\r
+ if (g[0:15]=="a3-55aa55aa55aa"):\r
+ break\r
+ if (g[0:15]!="a3-55aa55aa55aa"):\r
+ time.sleep(1)\r
+ if (g[0:15]=="a3-55aa55aa55aa"):\r
+ print "found"\r
+ else:\r
+ print "ERROR Enter Flashmode!" \r
+ exit()\r
+ f=open("/sys/bus/w1/devices/w1_bus_master1/w1_master_remove","r+b",0)\r
+ f.write(s)\r
+ f.close()\r
+ time.sleep(5)\r
+\r
+#stop search\r
+print("Disable Device Search (Wait 15s)")\r
+f=open("/sys/bus/w1/devices/w1_bus_master1/w1_master_search","r+b",0)\r
+f.write("0")\r
+f.close() \r
+time.sleep(15)\r
+\r
+s="a3-55aa55aa55aa"\r
+prog=data\r
+l=len(prog)\r
+if (l>7551):\r
+ print "Code to big ... Max 7552 Byte (118 Pages)"\r
+ exit()\r
+pages= l/64\r
+for i in range(64-(l%64)):\r
+ #print i\r
+ prog.append(0xFF)\r
+pages= len(prog)/64\r
+if (pages>118):\r
+ print "Code to big ... Max 7552 Byte (118 Pages)"\r
+ exit()\r
+\r
+\r
+print "Programm Page (of ", pages,")"\r
+ \r
+for i in range(pages):\r
+ sys.stdout.write("%i " % (i+1) )\r
+ sys.stdout.flush()\r
+\r
+ h=i*64;\r
+ hl=h&0xFF\r
+ hh=h>>8\r
+ #print hh, hl\r
+ mem=[hl,hh]+prog[h:h+64]\r
+ erroc=0\r
+ while (1):\r
+ owcom(s,[0x0F]+mem,0) \r
+ rmem=owcom(s,[0xAA],66)\r
+ if (rmem!=mem):\r
+ print rmem\r
+ erroc=erroc+1\r
+ if erroc>5:\r
+ print "WRITING ERROR ... "\r
+ exit()\r
+ continue\r
+ owcom(s,[0x55],0) \r
+ time.sleep(0.05)\r
+ owcom(s,[0xB8,hl,hh],0)\r
+ time.sleep(0.05)\r
+ rmem=owcom(s,[0xAA],66)\r
+ if (rmem!=mem):\r
+ print "error in flash"\r
+ print mem\r
+ print rmem\r
+ erroc=erroc+1\r
+ if erroc>5:\r
+ print "WRITING ERROR ... "\r
+ exit()\r
+ continue\r
+ #for v in rmem:\r
+ # print "%02X " % (v),\r
+ break\r
+print "\nReset AVR"\r
+owcom(s,[0x89],0)\r
+time.sleep(1)\r
+f=open("/sys/bus/w1/devices/w1_bus_master1/w1_master_remove","r+b",0)\r
+f.write("a3-55aa55aa55aa")\r
+f.close() \r
+\r
+print("Enable Device Search")\r
+f=open("/sys/bus/w1/devices/w1_bus_master1/w1_master_search","r+b",0)\r
+f.write("-1")\r
+f.close() \r
+ \r
+ \r
+\r
+\r
+\r
+\r
+#mem=[0x00,0x2]\r
+#for i in range (64):\r
+# mem.append(i)\r
+#owcom(s,[0x0F]+mem,0)\r
+#rmem=owcom(s,[0xAA],70)\r
+#print rmem\r
+#owcom(s,[0x55],0)\r
+#time.sleep(0.05)\r
+#owcom(s,[0xB8,0x00,0x02],0)\r
+#time.sleep(0.05)\r
+#rmem=owcom(s,[0xAA],70)\r
+#print rmem\r
+#for v in rmem:\r
+# print "%02X " % (v)\r
+ \r
+\r
+ \r
tm3d / owPython.git / commitdiff