Exemplo n.º 1
0
    def merge(self, other):
        for member in other.members:
            self.members.add(member)
        # Give us a net number if possible
        if self.number is None:
            self.number = other.number
        '''
		Any conflicting net status?
		Conflict
			VCC and GNDcolor=None
		Warning?
			PU/PD and VSS/GND
		Transition
			UNKNOWN and X: X
		'''
        # Expect most common case
        #print 'net merge, potential = (self: %u, other: %u)' %(self.potential, other.potential)
        if self.potential == other.potential:
            pass
        elif self.potential == Net.UNKNOWN:
            self.potential = other.potential
        else:
            p1 = self.potential
            p2 = other.potential
            # Sort to reduce cases (want p1 lower)
            if p1 > p2:
                p = p1
                p1 = p2
                p2 = p
            # Expect most common case: both unknown
            if p2 == Net.UNKNOWN:
                pass
            # One known but not the other?
            elif p1 == Net.UNKNOWN:
                self.potential = p2
            elif p1 == Net.VDD and p2 == Net.GND:
                if True:
                    r = PolygonRenderer(title='Shorted net',
                                        width=get_debug_width(),
                                        height=get_debug_height())
                    for member in self.members:
                        color = 'blue'
                        if member.net == self:
                            color = 'red'
                        if member.net == other:
                            color = 'orange'
                        r.add_polygon(member, color=color)
                    r.render()
                raise Exception("Supply shorted")
            elif (p1 == Net.VDD or p1 == Net.GND) and (p2 == Net.PU
                                                       or p2 == Net.PD):
                print 'WARNING: eliminating pullup/pulldown status due to direct supply connection'
                self.potential = p1
            else:
                print p1
                print p2
                raise Exception('Unaccounted for net potential merge')
        #print 'End potential: %u' % self.potential
        for name in other.names:
            self.names.add(name)
Exemplo n.º 2
0
	def merge(self, other):
		for member in other.members:
			self.members.add(member)
		# Give us a net number if possible
		if self.number is None:
			self.number = other.number
		'''
		Any conflicting net status?
		Conflict
			VCC and GNDcolor=None
		Warning?
			PU/PD and VSS/GND
		Transition
			UNKNOWN and X: X
		'''
		# Expect most common case
		#print 'net merge, potential = (self: %u, other: %u)' %(self.potential, other.potential)
		if self.potential == other.potential:
			pass
		elif self.potential == Net.UNKNOWN:
			self.potential = other.potential
		else:
			p1 = self.potential
			p2 = other.potential
			# Sort to reduce cases (want p1 lower)
			if p1 > p2:
				p = p1
				p1 = p2
				p2 = p
			# Expect most common case: both unknown
			if p2 == Net.UNKNOWN:
				pass
			# One known but not the other?
			elif p1 == Net.UNKNOWN:
				self.potential = p2
			elif p1 == Net.VDD and p2 == Net.GND:
				if True:
					r = PolygonRenderer(title='Shorted net', width = get_debug_width(), height=get_debug_height())
					for member in self.members:
						color = 'blue'
						if member.net == self:
							color = 'red'
						if member.net == other:
							color = 'orange'
						r.add_polygon(member, color=color)
					r.render()
				raise Exception("Supply shorted")
			elif (p1 == Net.VDD or p1 == Net.GND) and (p2 == Net.PU or p2 == Net.PD):
				print 'WARNING: eliminating pullup/pulldown status due to direct supply connection'
				self.potential = p1
			else:
				print p1
				print p2
				raise Exception('Unaccounted for net potential merge')
		#print 'End potential: %u' % self.potential
		for name in other.names:
			self.names.add(name)
Exemplo n.º 3
0
	def __init__(self, title=None, width=None, height=None, fork=False):
		width = width or get_debug_width() or 400
		height = height or get_debug_height() or 400
		
		print 'Render width: %d, height: %d' % (width, height)
		
		self.width = width
		self.height = height
		self.fork = fork
				
		# In render order
		# (polygon, color)
		self.targets = list()
		# Polygon color overrides
		# [polygon] = color
		# Make this usually not take up memory but can if you really want it
		self.colors = dict()
		self.title = title
		if self.title is None:
			self.title = 'Polygon render'
		self.wireframe = False
Exemplo n.º 4
0
    def __init__(self, title=None, width=None, height=None, fork=False):
        width = width or get_debug_width() or 400
        height = height or get_debug_height() or 400

        print 'Render width: %d, height: %d' % (width, height)

        self.width = width
        self.height = height
        self.fork = fork

        # In render order
        # (polygon, color)
        self.targets = list()
        # Polygon color overrides
        # [polygon] = color
        # Make this usually not take up memory but can if you really want it
        self.colors = dict()
        self.title = title
        if self.title is None:
            self.title = 'Polygon render'
        self.wireframe = False