def getCircuit(self):
relaySource = resource_string('simulations', 'halfAdder.cir').decode('utf-8')
circuit = Circuit(relaySource)
circuit.inspectVoltage('overflow')
circuit.inspectVoltage('result')
return circuit
def getExampleCircuit(self):
returnData = []
returnData.append((0, {
'v(a)': 1.0,
'v(b)': 5.0,
'i(a)': 0.0,
'i(b)': 6.0
}))
returnData.append((1, {
'v(a)': 2.0,
'v(b)': 2.0,
'i(a)': 0.1,
'i(b)': 0.0
}))
returnData.append((2, {
'v(a)': 3.0,
'v(b)': 5.0,
'i(a)': 0.2,
'i(b)': 0.0
}))
returnData.append((3, {
'v(a)': 4.0,
'v(b)': 2.0,
'i(a)': 0.3,
'i(b)': 6.0
}))
simulator = SpiceSimulator()
simulator.run = MagicMock(return_value=returnData)
circuitDescription = self.getExampleDescription()
circuit = Circuit(circuitDescription)
circuit.simulator = simulator
return (circuit, simulator)
def getCircuit(self):
schematicSource = resource_string('simulations', 'halfAdder.sch')
schematic = EagleSchematic(schematicSource)
circuit = Circuit(schematic.getSpiceData())
circuit.inspectVoltage('OVERFLOW')
circuit.inspectVoltage('RESULT')
return circuit
def testLowLowShouldResultInHigh(self):
circuit = Circuit.fromFile("NAND.cir")
circuit.setSignal(SignalWithResistance("A", 0.0, 10))
circuit.setSignal(SignalWithResistance("B", 0.0, 10))
circuit.inspectVoltage('NAND')
circuit.run(200)
self.assertGreater(circuit.getVoltage('NAND'), 4.5)
def testHighHighShouldResultInLow(self):
circuit = Circuit.fromFile("NAND.cir")
circuit.setSignal(SignalWithResistance("A", 5.0, 10))
circuit.setSignal(SignalWithResistance("B", 5.0, 10))
circuit.inspectVoltage('NAND')
circuit.run(200)
self.assertLess(circuit.getVoltage('NAND'), 0.5)
def testShouldSwitchOnIn50ns(self):
circuit = Circuit.fromFile("NAND.cir")
circuit.setSignal(SignalWithResistance("A", 5.0, 10))
circuit.setSignal(DelayedSignal("B", value=0.0, delay=100, resistance=10, startValue=5.0))
circuit.inspectVoltage('NAND')
circuit.run(200, 0.05)
self.assertLess(circuit.getMaxVoltage('NAND', 0.1, 100), 0.5)
self.assertGreater(circuit.getMinVoltage('NAND', 100.05, 200), 4.5)
def setupCircuit(self):
circuit = Circuit.fromFile("ALU.cir")
circuit.setSignal(SignalWithResistance("A", 0.0, 10))
circuit.setSignal(SignalWithResistance("B", 0.0, 10))
circuit.setSignal(SignalWithResistance("C", 0.0, 10))
circuit.setSignal(SignalWithResistance("INV", 0.0, 10))
circuit.inspectVoltage('XOR')
circuit.inspectVoltage('NAND')
circuit.inspectVoltage('NOR')
circuit.inspectVoltage('CARRY')
circuit.inspectVoltage('SUM')
circuit.inspectCurrent('Vs')
return circuit
def setupCircuit(self):
circuit = Circuit.fromFile("ALU.cir")
circuit.setSignal(SignalWithResistance("A", 0.0, 10))
circuit.setSignal(SignalWithResistance("B", 0.0, 10))
circuit.setSignal(SignalWithResistance("C", 0.0, 10))
circuit.setSignal(SignalWithResistance("INV", 0.0, 10))
circuit.inspectVoltage('XOR')
circuit.inspectVoltage('NAND')
circuit.inspectVoltage('NOR')
circuit.inspectVoltage('CARRY')
circuit.inspectVoltage('SUM')
circuit.inspectCurrent('Vs')
return circuit
def testShouldNotUseTooMuchCurrent(self):
circuit = Circuit.fromFile("NAND.cir")
circuit.setSignal(SignalWithResistance("A", 5.0, 10))
circuit.setSignal(SignalWithResistance("B", 5.0, 10))
circuit.inspectCurrent('Vs')
circuit.run(200)
self.assertLess(circuit.getMaxCurrent('Vs'), .001)
circuit.setSignal(SignalWithResistance("A", 0.0, 10))
circuit.run(200)
self.assertLess(circuit.getMaxCurrent('Vs'), 0.001)
circuit.setSignal(SignalWithResistance("B", 0.0, 10))
circuit.run(200)
self.assertLess(circuit.getMaxCurrent('Vs'), 0.001)
circuit.setSignal(SignalWithResistance("A", 5.0, 10))
circuit.run(200)
self.assertLess(circuit.getMaxCurrent('Vs'), 0.001)
def getCircuit(self):
schematicSource = resource_string('hw', schematicFileName)
schematic = EagleSchematic(schematicSource)
circuit = Circuit(schematic.getSpiceData())
circuit.setSignal(GenericVoltageSource(supplyName, '_VP', '_VN', 5.0))
return circuit
def getCircuit(self):
relaySource = resource_string('simulations', 'relayExample.cir')
circuit = Circuit(relaySource)
circuit.inspectVoltage('OUT')
return circuit
