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"""
# TOP2049 Open Source programming suite
#
# Atmel Mega8 DIP28 support
#
# Copyright (c) 2009-2010 Michael Buesch <mb@bu3sch.de>
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
from chip import *
import time
class ATMega8DIP28(Chip):
def __init__(self):
Chip.__init__(self, "atmega8dip28")
def initializeChip(self):
self.top.cmdSetGNDPin(18)
self.top.cmdSetVCCXVoltage(5)
self.top.cmdFlush()
self.top.cmdSetVPPVoltage(0)
self.top.cmdFlush()
self.top.cmdSetVPPVoltage(12)
def readImage(self):
# First check if the chip is properly inserted
self.top.blockCommands()
self.top.cmdFlush()
self.top.send("\x0A\x1D\x86")
self.top.unblockCommands()
self.top.cmdSetGNDPin(0)
self.top.cmdLoadVPPLayout(0)
self.top.cmdLoadVCCXLayout(0)
self.top.blockCommands()
self.top.cmdFlush(2)
self.top.send("\x0A\x1B\xFF")
self.top.unblockCommands()
self.top.send("\x0E\x28\x00\x00")
self.top.cmdSetVPPVoltage(0)
self.top.cmdFlush()
self.top.cmdSetVPPVoltage(5)
self.top.cmdFlush(21)
self.top.cmdLoadVPPLayout(14)
self.top.send("\x1B\x1B\x0B\x16\x0B\x17\x0B\x18\x0B\x19\x0B\x1A\x0B\x1B\x07")
stat = self.top.cmdReadStatusReg32()
if stat != 0xFFFFFFC0:
self.throwError("Did not detect chip. Please check connections.")
self.top.cmdLoadVPPLayout(0)
self.top.cmdLoadVCCXLayout(0)
self.top.cmdFlush()
self.top.send("\x0E\x28\x01\x00")
self.top.send("\x0A\x1B\x00")
self.top.cmdSetVPPVoltage(0)
self.top.cmdFlush()
self.top.cmdSetVPPVoltage(12)
self.top.cmdFlush()
self.top.cmdSetGNDPin(18)
self.top.cmdFlush()
self.top.cmdSetVCCXVoltage(4.4)
self.top.cmdFlush()
self.top.send("\x0A\x12\x05\x0A\x12\x06\x0A\x12\x04\x0A\x12\x03")
self.top.cmdSetGNDPin(18)
self.top.cmdLoadVCCXLayout(13)
self.top.send("\x1B\x19\x0A\x12\x01\x34\x0A\x12\x01\x0A\x12\x02\x0A\x12\x83\x0A" +\
"\x12\x07\x0A\x12\x05\x0A\x12\x06\x0A\x12\x08\x0A\x12\x04\x0A\x12" +\
"\x0A\x0A\x12\x09\x0A\x12\x87\x0A\x12\x07\x0A\x12\x87\x0A\x12\x07" +\
"\x0A\x12\x87\x0A\x12\x07\x0A\x12\x87\x0A\x12\x07\x0A\x12\x87\x00")
self.top.send("\x0A\x12\x07\x0A\x12\x87\x0A\x12\x07\x0A\x12\x87\x0A\x12\x07\x0A" +\
"\x12\x87\x0A\x12\x07\x0A\x12\x87\x0A\x12\x07\x0A\x12\x87\x0A\x12" +\
"\x07\x19")
self.top.cmdLoadVPPLayout(7)
self.top.send("\x34\x0A\x12\x88\x1B")
self.top.cmdFlush(10)
self.top.send("\x0E\x1F\x00\x00")
time.sleep(0.1)
stat = self.top.cmdReadStatusReg32()
if stat != 0xFFFFFFC0:
self.throwError("read: Unexpected status value 0x%X012" % stat)
# Now read the image
self.printInfo("Reading image ", newline=False)
image = ""
self.top.send("\x0A\x12\x81")
high = 0
for chunk in range(0, 256, 2):
if chunk % 8 == 0:
percent = (chunk * 100 / 256)
if percent % 25 == 0:
self.printInfo("%d%%" % percent, newline=False)
else:
self.printInfo(".", newline=False)
self.top.send("\x34\x0A\x12\x01\x0A\x12\x82\x0A\x12\x04\x34\x0A\x12\x05\x0A\x12" +\
"\x86\x10\x02\x0A\x12\x87\x0A\x12\x07\x0A\x12\x05\x0A\x12\x06\x10" +\
chr((chunk << 4) & 0xFF) +\
"\x0A\x12\x87\x0A\x12\x07\x0A\x12\x84\x0A\x12\x05\x0A\x12\x06" +\
"\x10" + chr(high) + "\x0A\x12\x87\x0A\x12\x07\x0A\x12\x81")
for word in range(0, 31, 1):
value = (chunk << 4) + (word + 1)
high = (value >> 8) & 0xFF
self.top.send("\x0A\x12\x04\x0A\x12\x02\x01\x0A\x12\x84\x01\x0A\x12\x82\x0A\x12" +\
"\x01\x34\x0A\x12\x01\x0A\x12\x82\x0A\x12\x04\x34\x0A\x12\x05\x0A" +\
"\x12\x86\x10\x02\x0A\x12\x87\x0A\x12\x07\x0A\x12\x05\x0A\x12\x06" +\
"\x10" + chr(value & 0xFF) + "\x0A\x12\x87\x0A\x12\x07\x0A\x12\x84\x0A\x12\x05\x00\x00")
self.top.send("\x0A\x12\x06\x10" + chr(high) + "\x0A\x12\x87\x0A\x12\x07\x0A\x12\x81")
self.top.send("\x0A\x12\x04\x0A\x12\x02\x01\x0A\x12\x84\x01\x0A\x12\x82\x0A\x12" +\
"\x01\x07")
data = self.top.cmdReadStatusReg()
image += data
self.printInfo("100%")
return image
def writeImage(self, image):
pass#TODO
supportedChips.append(ATMega8DIP28())
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