105 lines
3.3 KiB
Python
105 lines
3.3 KiB
Python
# -*- 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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import helpers.io
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from helpers import trace
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#helpers.setTraceLevel( 1000 )
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try:
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import Analog
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import oroshi
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import oroshi.paramsmatrix
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import oroshi.stack
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except Exception as e:
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helpers.io.catch( e )
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def checkCoherency ( device, bbMode ):
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try:
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message = '[ERROR] Transistor.checkCoherency():\n'
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techno = DataBase.getDB().getTechnology()
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rules = oroshi.getRules()
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w = device.getParameter( 'W' ).getValue()
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M = device.getParameter( 'M' ).getValue()
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mMax = w // 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 (%s)\n' \
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' Please increase W or decrease M.' \
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% DbU.getValueString(rules.transistorMinW)
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return (False, message)
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except Exception as e:
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helpers.io.catch( e )
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return (False, message)
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return (True, "")
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def layout ( device, bbMode ):
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trace( 100, ',+', '\tWIP_Transistor.layout() called.\n' )
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paramsMatrix = oroshi.paramsmatrix.ParamsMatrix()
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try:
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nerc = device.getParameter( 'NERC' ).getValue()
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nirc = device.getParameter( 'NIRC' ).getValue()
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stack = oroshi.stack.Stack( device, nerc, nirc )
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bw = str(device.getParameter( 'B.w' ).getValue())
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dw = str(device.getParameter( 'D.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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bt = device.getParameter( 'B.t' ).getValue()
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dt = device.getParameter( 'D.t' ).getValue()
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gt = device.getParameter( 'G.t' ).getValue()
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st = device.getParameter( 'S.t' ).getValue()
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diffMap = { 'D':'D', 'S':'S'
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, 'Dw':dw, 'Sw':sw, 'Gw':gw, 'Bw':bw
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, 'Dt':dt, 'St':st, 'Gt':gt, 'Bt':bt
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}
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if device.isSourceFirst():
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trace( 100, '\tUse sourceFirst.\n' )
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diffMap = { 'D':'S', 'S':'D'
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, 'Dw':sw, 'Sw':dw, 'Gw':gw, 'Bw':bw
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, 'Dt':dt, 'St':st, 'Gt':gt, 'Bt':bt
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}
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wirings = '{D}.{Dt}.{Dw} G.{Gt}.{Gw} {S}.{St}.{Sw}'
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for i in range(device.getM() - 1):
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if i%2: wirings += ' G.{Gt}.{Gw} {S}.{St}.{Sw}'
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else: wirings += ' G.{Gt}.{Gw} {D}.{Dt}.{Dw}'
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for i in range(device.getExternalDummy()):
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wirings = 'B.{Bt}.{Bw} B.{Bt}.{Bw} ' + wirings
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wirings += ' B.{Bt}.{Bw} B.{Bt}.{Bw}'
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stack.setWirings( wirings.format( **diffMap ) )
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stack.doLayout ( bbMode )
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paramsMatrix.setGlobalTransistorParams( 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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except Exception as e:
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helpers.io.catch( e )
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trace( 100, '---' )
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return paramsMatrix.getMatrix()
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