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"""
# TOP2049 Open Source programming suite
#
# Universal device tester
#
# Copyright (c) 2010 Michael Buesch <m@bues.ch>
#
# 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 libtoprammer.chip import *
class Chip_Unitest(Chip):
def __init__(self, chipPackage=None, chipPinVCC=None, chipPinsVPP=None, chipPinGND=None,
VCCVoltage=None, VPPVoltage=None):
Chip.__init__(self, chipPackage=chipPackage, chipPinVCC=chipPinVCC,
chipPinsVPP=chipPinsVPP, chipPinGND=chipPinGND)
self.autogenVCCVoltage = VCCVoltage
self.autogenVPPVoltage = VPPVoltage
def shutdownChip(self):
self.printDebug("Shutdown chip")
self.reset()
def reset(self):
self.top.vcc.setLayoutPins( [] )
self.vccMask = 0
self.top.vpp.setLayoutPins( [] )
self.vppMask = 0
self.top.gnd.setLayoutPins( [] )
self.gndMask = 0
self.top.cmdSetVCCVoltage(self.top.vcc.minVoltage())
self.top.cmdSetVPPVoltage(self.top.vpp.minVoltage())
self.oscMask = 0
self.setOutputEnableMask(0)
self.setOutputs(0)
self.setOscMask(0)
self.top.flushCommands()
def setVCC(self, voltage, layout):
self.vccMask = self.top.vcc.ID2mask(layout)
self.__updateOutEn()
self.top.cmdSetVCCVoltage(voltage)
self.top.vcc.setLayoutID(layout)
self.top.flushCommands()
def setVPP(self, voltage, layouts):
self.vppMask = 0
for layout in layouts:
self.vppMask |= self.top.vpp.ID2mask(layout)
self.__updateOutEn()
self.top.cmdSetVPPVoltage(voltage)
self.top.vpp.setLayoutMask(0) # Reset
for layout in layouts:
self.top.vpp.setLayoutID(layout)
self.top.flushCommands()
def setGND(self, layout):
self.gndMask = self.top.gnd.ID2mask(layout)
self.__updateOutEn()
self.top.gnd.setLayoutID(layout)
self.top.flushCommands()
# Overloaded layout generator interface.
def applyVCC(self, turnOn):
layoutID = 0
if turnOn:
(layoutID, layoutMask) = self.generator.getVCCLayout()
self.setVCC(self.autogenVCCVoltage, layoutID)
# Overloaded layout generator interface.
def applyVPP(self, turnOn, packagePinsToTurnOn=[]):
assert(not packagePinsToTurnOn) # Not supported, yet.
layouts = []
if turnOn:
layouts = map(lambda (layoutID, layoutMask): layoutID,
self.generator.getVPPLayouts())
self.setVPP(self.autogenVPPVoltage, layouts)
# Overloaded layout generator interface.
def applyGND(self, turnOn):
layoutID = 0
if turnOn:
(layoutID, layoutMask) = self.generator.getGNDLayout()
self.setGND(layoutID)
def __updateOutEn(self):
mask = self.desiredOutEnMask
mask &= ~self.gndMask
mask &= ~self.vccMask
mask &= ~self.vppMask
mask |= self.oscMask
self.top.cmdFPGAWrite(0x50, mask & 0xFF)
self.top.cmdFPGAWrite(0x51, (mask >> 8) & 0xFF)
self.top.cmdFPGAWrite(0x52, (mask >> 16) & 0xFF)
self.top.cmdFPGAWrite(0x53, (mask >> 24) & 0xFF)
self.top.cmdFPGAWrite(0x54, (mask >> 32) & 0xFF)
self.top.cmdFPGAWrite(0x55, (mask >> 40) & 0xFF)
self.top.flushCommands()
def setOutputEnableMask(self, mask):
self.desiredOutEnMask = mask
self.__updateOutEn()
def __updateOut(self):
mask = self.desiredOutMask
mask &= ~self.oscMask
self.top.cmdFPGAWrite(0x70, mask & 0xFF)
self.top.cmdFPGAWrite(0x71, (mask >> 8) & 0xFF)
self.top.cmdFPGAWrite(0x72, (mask >> 16) & 0xFF)
self.top.cmdFPGAWrite(0x73, (mask >> 24) & 0xFF)
self.top.cmdFPGAWrite(0x74, (mask >> 32) & 0xFF)
self.top.cmdFPGAWrite(0x75, (mask >> 40) & 0xFF)
self.top.flushCommands()
def setOutputs(self, mask):
self.desiredOutMask = mask
self.__updateOut()
def getInputs(self):
self.top.cmdFPGARead(0x30)
self.top.cmdFPGARead(0x31)
self.top.cmdFPGARead(0x32)
self.top.cmdFPGARead(0x33)
self.top.cmdFPGARead(0x34)
self.top.cmdFPGARead(0x35)
inputs = self.top.cmdReadBufferReg48()
return inputs
def getOscFreq(self):
return self.top.getOscillatorHz()
def setOscDivider(self, div):
self.top.cmdFPGAWrite(0x12, div & 0xFF)
self.top.cmdFPGAWrite(0x13, (div >> 8) & 0xFF)
self.top.cmdFPGAWrite(0x14, (div >> 16) & 0xFF)
self.top.cmdFPGAWrite(0x15, (div >> 24) & 0xFF)
self.top.flushCommands()
def setOscMask(self, mask):
self.oscMask = mask
self.top.cmdFPGAWrite(0x30, mask & 0xFF)
self.top.cmdFPGAWrite(0x31, (mask >> 8) & 0xFF)
self.top.cmdFPGAWrite(0x32, (mask >> 16) & 0xFF)
self.top.cmdFPGAWrite(0x33, (mask >> 24) & 0xFF)
self.top.cmdFPGAWrite(0x34, (mask >> 32) & 0xFF)
self.top.cmdFPGAWrite(0x35, (mask >> 40) & 0xFF)
self.__updateOutEn()
self.__updateOut()
self.top.flushCommands()
ChipDescription(
Chip_Unitest,
bitfile = "unitest",
runtimeID = (0x0008, 0x01),
chipType = ChipDescription.TYPE_INTERNAL,
description = "Universal device tester",
)
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