97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
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# -*- coding: utf-8 -*-
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from Hurricane import DataBase
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from Hurricane import UpdateSession
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from Hurricane import DbU
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from Hurricane import Box
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import helpers
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from helpers import trace
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helpers.staticInitialization( quiet=True )
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helpers.setTraceLevel( 1000 )
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import Analog
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import ParamsMatrix
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import Stack
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import oroshi
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def checkCoherency ( args ):
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message = '<b>[ERROR] CommonSourcePair.checkCoherency():</b>\n'
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techno = DataBase..getDB().getTechnology()
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rules = Analog.getRules( techno, Analog.Flag.StandardRules )
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M = args.getM()
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mMax = args.getW() / rules['transistorMinW']
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if M > mMax:
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message += \
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' W/M ratio must be greater than transistor minimal width (%d)\n' \
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' Please increase W or decrease M.' \
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% rules['transistorMinW']
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return False, message
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mint = args.getMInt()
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if mint != 2:
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message += ' For interdigitaded layout style, Mint *must* be equal to 2 (not %d)\n' % mint
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return False, message
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return True, ''
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def layout ( device, args, bbMode ):
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trace( 100, ',+', '\tWIP_CSP.layout() called.\n' )
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nerc = device.getParameter( 'NERC' ).getValue()
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nirc = device.getParameter( 'NIRC' ).getValue()
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stack = Stack.Stack( device, nerc, nirc )
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bw = str(device.getParameter( 'B.w' ).getValue())
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d1w = str(device.getParameter( 'D1.w' ).getValue())
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d2w = str(device.getParameter( 'D2.w' ).getValue())
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gw = str(device.getParameter( 'G.w' ).getValue())
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sw = str(device.getParameter( 'S.w' ).getValue())
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diffMap = { 'D1w':str(device.getParameter( 'D1.w' ).getValue())
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, 'D2w':str(device.getParameter( 'D2.w' ).getValue())
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, 'Sw' :str(device.getParameter( 'S.w' ).getValue())
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, 'Gw' :str(device.getParameter( 'G.w' ).getValue())
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, 'Bw' :str(device.getParameter( 'B.w' ).getValue())
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}
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M = device.getM()
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remain = M % device.getMint()
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westWirings = ''
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eastWirings = ''
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for i in range(device.getExternalDummy()):
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westWirings = westWirings + 'B.bX.{Bw} B.bX.{Bw} '
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eastWirings = ' B.bX.{Bw} B.bX.{Bw}' + eastWirings
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if remain:
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westWirings = westWirings + 'D1.t0.{D1w} G.b0.{Gw} '
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eastWirings = ' G.b0.{Gw} D2.t3.{D2w}' + eastWirings
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westWirings = westWirings + 'S.b1.{Sw} '
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mintWirings = ''
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for i in range( (M / device.getMint())*2 ):
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if (i + remain) % 2: mintWirings += 'G.b0.{Gw} D2.t1.{D2w} G.b0.{Gw} S.b1.{Sw} '
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else: mintWirings += 'G.b0.{Gw} D1.t0.{D1w} G.b0.{Gw} S.b1.{Sw} '
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wirings = westWirings + mintWirings + eastWirings
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stack.setWirings( wirings.format( **diffMap ) )
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stack.doLayout ( bbMode )
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paramsMatrix = ParamsMatrix.ParamsMatrix()
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paramsMatrix.setGlobalParams( oroshi.toUnity(stack.w)
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, oroshi.toUnity(stack.L)
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, device.getM()
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, stack.boundingBox
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)
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paramsMatrix.setStacks( [ stack ] )
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trace( 100, '++' )
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paramsMatrix.trace()
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trace( 100, '---' )
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return paramsMatrix.getMatrix()
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