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