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nuubik |
#! /usr/bin/python
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# -*- coding: utf-8 -*-
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##########################################################################
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# LPC Dongle programming software
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#
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# Copyright (C) 2006 Artec Design
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This software is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##########################################################################
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#-------------------------------------------------------------------------
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# Project: LPC Dongle programming software
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# Name: dongle.py
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# Purpose: Executable command line tool
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#
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# Author: Jüri Toomessoo <jyrit@artecdesign.ee>
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# Copyright: (c) 2006 Artec Design
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# Licence: LGPL
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#
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# Created: 06 Oct. 2006
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# History: 12 oct. 2006 Version 1.0 released
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#
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#
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#-------------------------------------------------------------------------
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import os
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import sys
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import string
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import time
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from sets import *
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from struct import *
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from Uspp.uspp import *
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#### global funcs ####
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def usage(s):
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print "Artec USB Dongle programming utility"
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print "Usage: ",s," -c comport [-fvdq] filename address"
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print " ",s," [-fvdqr] offset length filename"
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print "Options:"
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print " -c COM port"
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print " -v Verbose"
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print " -f Forced"
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print " -d Debug"
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print " -q Query"
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print " -r Readback "
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print "Examples:"
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print ""
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print " ",s," -c COM3 loader.bin 0"
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print " ",s," -c /dev/ttyS3 content.bin 256K"
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print " ",s," -c COM3 device 1M"
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print " ",s," -c COM3 -r 0x0000 256 flashcontent.bin"
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######################
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class DongleMode:
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def __init__(self):
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self.v = 0
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self.f = 0
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self.d = 0
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self.q = 0
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self.r = 0
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self.filename=""
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self.portname=""
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self.address=-1
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self.offset=-1
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self.length=-1
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def convParamStr(self,param):
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mult = 1
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value = 0
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str = param
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if str.find("K")>-1:
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mult = 1024
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str=str.strip("K")
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if str.find("M")>-1:
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mult = 1024*1024
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str=str.strip("M")
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try:
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if str.find("x")>-1:
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value = int(str,0)*mult #conver hex string to int
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else:
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value = int(str)*mult #conver demical string to int
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except ValueError:
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print "Bad parameter format given for: ",param
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return value
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class Dongle:
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def __init__(self,name, baud, timeout): #time out in millis 1000 = 1s baud like 9600, 57600
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try:
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self.tty = SerialPort(name,timeout, baud)
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except:
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print "Unable to open port"
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sys.exit();
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def getReturn(self,byteCount):
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i=0
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while don.tty.inWaiting()<byteCount:
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i=i+1
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if i==10000*byteCount:
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break
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if i==10000*byteCount:
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print "Dongle not connected to port or not communicating"
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sys.exit()
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return don.tty.read(byteCount) ## ret two bytes
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def write_command(self,command):
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lsb = command&0xff
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msb = (command>>8)&0xff
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self.tty.write_2bytes(msb,lsb)
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def get_address_buf(self,address): #set word address
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lsbyte = address&0xff
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byte = (address>>8)&0xff
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msbyte = (address>>16)&0xff
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buffer = ""
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buffer += chr(lsbyte)
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buffer += chr(0xA0)
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buffer += chr(byte)
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buffer += chr(0xA1)
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buffer += chr(msbyte)
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buffer += chr(0xA2)
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evaluate = (address>>24)
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if evaluate != 0:
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print "Addressign fault. Too large address passed"
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sys.exit()
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return buffer
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def set_address(self,address): #set word address
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lsbyte = address&0xff
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byte = (address>>8)&0xff
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msbyte = (address>>16)&0xff
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evaluate = (address>>24)
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if evaluate != 0:
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print "Addressign fault. Too large address passed"
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sys.exit()
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self.tty.write_2bytes(lsbyte,0xA0) #set internal address to dongle
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self.tty.write_2bytes(byte,0xA1) #set internal address to dongle
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self.tty.write_2bytes(msbyte,0xA2) #send query command
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def read_data(self,wordCount,address):
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command = 0
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byteCount = wordCount<<1 #calc byte count
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if wordCount>0 :
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command = (command|wordCount)<<8;
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command = command|0xCD
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self.set_address(address) # send read address
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self.write_command(command) # send get data command
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return self.getReturn(byteCount)
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else:
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print "Word count can't be under 1"
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sys.exit()
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def read_status(self):
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don.write_command(0x0070) # 0x0098 //clear status
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command = 0
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wordCount= 1 #calc byte count
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byteCount = wordCount<<1
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command = (command|wordCount)<<8;
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command = command|0xCD
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self.write_command(command) # send get data command
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return self.getReturn(byteCount)
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def get_block_no(self,address):
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return address >> 16 # 16 bit mode block is 64Kwords
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def wait_on_busy(self):
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exit=0
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while exit==0:
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buf=self.read_status()
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statReg = ord(buf[0]) #8 bit reg
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if statReg>>7 == 1:
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exit=1
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def parse_status(self): # use only after wait on busy commad to get result of the operation
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exit = 0
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buf=self.read_status()
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statReg = ord(buf[0]) #8 bit reg
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if (statReg>>5)&1 == 1:
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print "Block erase suspended"
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exit = 1
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if (statReg>>4)&3 == 3:
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print "Error in command order" #if bits 4 and 5 are set then
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exit = 1
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if (statReg>>4)&3 == 1:
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print "Error in setting lock bit"
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exit = 1
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if (statReg>>3)&1 == 1:
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print "Low Programming Voltage Detected, Operation Aborted"
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exit = 1
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if (statReg>>2)&1 == 1:
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print "Programming suspended"
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exit = 1
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if (statReg>>1)&1 == 1:
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print "Block lock bit detected"
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exit = 1
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if exit == 1:
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sys.exit()
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def erase_block(self,blockNo):
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blockAddress = blockNo << 16
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command = 0x0020
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self.set_address(blockAddress)
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self.write_command(command) #issue block erase
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command = 0x00D0
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self.write_command(command) #issue block erase confirm
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self.wait_on_busy()
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self.parse_status()
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def buffer_write(self,wordCount,startAddress,buffer):
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# to speed up buffer writing compose all commands into one buffer
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# instead of multiple single writes this is needed as the FTDI chip
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# round lag is amazingly large with VCOM drivers
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#u = len(buffer)
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if len(buffer)<32: #don't ever make unaligned writes
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i=len(buffer)
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while len(buffer)<32:
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buffer += "\xff"
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adrBuf = self.get_address_buf(startAddress) #6 bytes total
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cmd_e8="" #8 bytes total
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cmd_e8+= chr(16) #make it always 16 wordCount
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cmd_e8+= chr(0xE8)
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cmd_wcnt="" #10 bytes total
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cmd_wcnt+= chr(0x00)
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cmd_wcnt+= chr(16-1)
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cmd_buf="" #12 bytes total
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cmd_buf+= chr(0x00)
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cmd_buf+= chr(0xD0)
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wr_buffer_cmd = adrBuf + cmd_e8 + cmd_wcnt + buffer + cmd_buf #44 bytes total
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self.tty.write_buf_cmd(wr_buffer_cmd)
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# no wait needad as the FTDI chip is so slow
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################## Main program #########################
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last_ops = 0
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mode = DongleMode()
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# PARSE ARGUMENTS
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for arg in sys.argv:
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if len(sys.argv) == 1: # if no arguments display help
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usage(sys.argv[0])
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sys.exit()
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if arg in ("-h","--help","/help","/h"):
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usage(sys.argv[0])
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sys.exit()
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if arg in ("-c"):
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last_ops = sys.argv.index(arg) + 1 #if remains last set of options from here start ordered strings
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i = sys.argv.index(arg)
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print "Opening port: "+sys.argv[i+1]
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mode.portname = sys.argv[i+1] # next element after -c open port for usage
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if arg[0]=="-" and arg[1]!="c": # if other opptions
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# parse all options in this
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last_ops = sys.argv.index(arg) #if remains last set of options from here start ordered strings
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ops = arg[1:]# get all besides the - sign
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for op in ops:
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if op=="q":
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mode.q = 1
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if op=="v":
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mode.v = 1
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if op=="f":
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mode.f = 1
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if op=="d":
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mode.d = 1
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if op=="r":
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mode.r = 1
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else:
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i = sys.argv.index(arg)
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if i == last_ops + 1:
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if mode.r==1:
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mode.offset=mode.convParamStr(arg)
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else:
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mode.filename=arg
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if i == last_ops + 2:
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if mode.r==1:
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mode.length=mode.convParamStr(arg)
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else:
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mode.address=mode.convParamStr(arg)
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if i == last_ops + 3:
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if mode.r==1:
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mode.filename=arg
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else:
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print "Too many parameters provided"
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sys.exit()
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if i > last_ops + 3:
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print "Too many parameters provided"
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sys.exit()
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# END PARSE ARGUMENTS
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if mode.portname=="":
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print "No port name given see -h for help"
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sys.exit()
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else:
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# test PC speed to find sutable delay for linux driver
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# to get 250 us
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mytime = time.clock()
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n = 0
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while (n < 100000):
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n += 1;
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k10Time = time.clock() - mytime # time per 10000 while cycles
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wait = k10Time/100000.0 # time per while cycle
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wait = (0.00025/wait) * 1.20 # count for 250us + safe margin
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# ok done
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don = Dongle(mode.portname,115200,100)
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print wait
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don.tty.wait = wait
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don.write_command(0x0050) # 0x0098
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don.write_command(0x00C5) #send dongle check internal command
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buf=don.getReturn(2) # two bytes expected to this command
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if ord(buf[1])==0x32 and ord(buf[0])==0x10:
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print "Dongle OK"
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else:
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print 'Dongle returned on open: %02x %02x '%(ord(buf[1]), ord(buf[0]))
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if mode.q == 1: # perform a query from dongle
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don.write_command(0x0050) # 0x0098
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don.write_command(0x0098) # 0x0098
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buf=don.read_data(3,0x000010) # word count and word address
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if ord(buf[0])==0x51 and ord(buf[2])==0x52 and ord(buf[4])==0x59:
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buf=don.read_data(2,0x000000) # word count and word address
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print 'Query OK, Factory: 0x%02x device: 0x%02x '%(ord(buf[0]),ord(buf[2]))
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buf=don.read_data(2,0x000002)
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print 'lock bit is 0x%02x 0x%02x'%(ord(buf[0]),ord(buf[1]))
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else:
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print "Got bad query data:"
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print 'Query address 0x10 = 0x%02x%02x '%(ord(buf[1]),ord(buf[0]))
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print 'Query address 0x10 = 0x%02x%02x '%(ord(buf[3]),ord(buf[2]))
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print 'Query address 0x10 = 0x%02x%02x '%(ord(buf[5]),ord(buf[4]))
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print "Read byte count:",len(buf)
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don.write_command(0x00FF) # 0x0098
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buf=don.read_data(4,0xff57c0>>1) # word count and word address
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|
|
print 'Data: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x '%(ord(buf[1]),ord(buf[0]),ord(buf[3]),ord(buf[2]),ord(buf[5]),ord(buf[4]),ord(buf[7]),ord(buf[6]) )
|
355 |
|
|
|
356 |
|
|
|
357 |
|
|
|
358 |
|
|
if mode.filename!="" and mode.address!=-1:
|
359 |
|
|
#Calculate number of blocks and start of blocks
|
360 |
|
|
size = 0
|
361 |
|
|
mode.address = mode.address>>1 #make word address
|
362 |
|
|
try:
|
363 |
|
|
f=open(mode.filename,"rb")
|
364 |
|
|
f.seek(0,2) #seek to end
|
365 |
|
|
size = f.tell()
|
366 |
|
|
f.seek(0) #seek to start
|
367 |
|
|
print 'File size %iK '%(size/1024)
|
368 |
|
|
f.close()
|
369 |
|
|
except IOError:
|
370 |
|
|
print "IO Error on file open"
|
371 |
|
|
sys.exit()
|
372 |
|
|
#clear blockLock bits
|
373 |
|
|
don.write_command(0x0060) # 0x0098
|
374 |
|
|
don.write_command(0x00D0) # 0x0098
|
375 |
|
|
don.wait_on_busy()
|
376 |
|
|
don.parse_status()
|
377 |
|
|
wordSize = (size+ (size&1))>> 1 # round byte count up and make word address
|
378 |
|
|
endBlock = don.get_block_no(mode.address+wordSize - 1)
|
379 |
|
|
startBlock = don.get_block_no(mode.address)
|
380 |
|
|
i=startBlock
|
381 |
|
|
while i <= endBlock:
|
382 |
|
|
print 'Erasing block %i '%(i)
|
383 |
|
|
don.erase_block(i)
|
384 |
|
|
don.wait_on_busy()
|
385 |
|
|
don.parse_status() #do this after programming all but uneaven ending
|
386 |
|
|
i=i+1
|
387 |
|
|
#don.write_command(0x00FF) # 0x0098
|
388 |
|
|
#buf=don.read_data(4,0x000000) # word count and word address
|
389 |
|
|
#print 'Data: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x '%(ord(buf[0]),ord(buf[1]),ord(buf[2]),ord(buf[3]),ord(buf[4]),ord(buf[5]),ord(buf[6]),ord(buf[7]) )
|
390 |
|
|
|
391 |
|
|
f=open(mode.filename,"rb")
|
392 |
|
|
f.seek(0) #seek to start
|
393 |
|
|
address= mode.address
|
394 |
|
|
#don.set_address(address)
|
395 |
|
|
while 1:
|
396 |
|
|
if address/(1024*16) != (address-16)/(1024*16): # get bytes from words if 512
|
397 |
|
|
print 'Progress: %iK of %iK at 0x%06x'%((address-mode.address)/512,size/1024,address)
|
398 |
|
|
buf = f.read(32) #16 words is maximum write here bytes are read
|
399 |
|
|
if len(buf)==32:
|
400 |
|
|
don.buffer_write(16,address,buf)
|
401 |
|
|
address = address + 16
|
402 |
|
|
elif len(buf)>0:
|
403 |
|
|
don.parse_status() #do this after programming all but uneaven ending
|
404 |
|
|
print "Doing an unaligned write..."
|
405 |
|
|
length = len(buf)
|
406 |
|
|
length = (length + (length&1))>> 1 #round up to get even word count
|
407 |
|
|
buf = buf+"\xff" #pad just in case rounding took place
|
408 |
|
|
don.buffer_write(len,address,buf)
|
409 |
|
|
address = address + 16 #inc word address
|
410 |
|
|
break
|
411 |
|
|
else:
|
412 |
|
|
break
|
413 |
|
|
print "Write DONE!"
|
414 |
|
|
don.parse_status() #do this after programming all but uneaven ending
|
415 |
|
|
f.close()
|
416 |
|
|
|
417 |
|
|
if mode.r == 1: # perform a readback
|
418 |
|
|
if mode.offset!=-1 and mode.length!=-1 and mode.filename!="":
|
419 |
|
|
mode.offset=mode.offset>>1 #make word offset
|
420 |
|
|
mode.length= mode.length>>1 #make word length
|
421 |
|
|
try:
|
422 |
|
|
f=open(mode.filename,"wb")
|
423 |
|
|
don.write_command(0x00FF) # put flash to data read mode
|
424 |
|
|
address = mode.offset # set word address
|
425 |
|
|
while 1:
|
426 |
|
|
if address/(1024*32) != (address-128)/(1024*32): # get K bytes from words if 512
|
427 |
|
|
print 'Progress: %iK of %iK'%((address-mode.offset)/512,mode.length/512)
|
428 |
|
|
buf=don.read_data(128,address) # word count and byte address read 64 words to speed up
|
429 |
|
|
f.write(buf)
|
430 |
|
|
#print "from address:",address<<1," ", len(buf)
|
431 |
|
|
if address+128 >= (mode.offset + mode.length): # 2+64 estimates the end to end in right place
|
432 |
|
|
break
|
433 |
|
|
address = address + 128 #this is word address
|
434 |
|
|
f.close()
|
435 |
|
|
print "Readback done!"
|
436 |
|
|
except IOError:
|
437 |
|
|
print "IO Error on file open"
|
438 |
|
|
sys.exit()
|
439 |
|
|
else:
|
440 |
|
|
print "Some of readback parameters missing..."
|
441 |
|
|
print mode.offset,mode.length, mode.filename
|
442 |
|
|
sys.exit()
|
443 |
|
|
|
444 |
|
|
##########################################################
|