def testDAC( self ): # Constants and coeff. R1 = 5.11 # Om R2 = 10.0 # Om Splitter = R2/(R1+R2) Vmax = 5000.0 # mV capacity = 10 # bits Kiu = 188.0 # mV/A Udig = 322 # V ue # проверяем self._valueDict[ 'value' ] = 0 self._valueDict['displacement'] = 500 self._valueDict['converter' ] = Kiu self._valueDict['scale'] = Splitter self._valueDict['capacity'] = capacity self._valueDict['Vmax'] = Vmax # сперва получаем поправочный код code, Kda = adda.modelADC( self._valueDict, printRpt, adda.calcZeroDisplacmentY ) # Запускаем self._valueDict[ 'value' ] = Udig-code self._valueDict['displacement'] = None analog = adda.modelDAC( self._valueDict, printRpt ) # проверка значения! float трудно сравнить, пока округляем self.assertEqual( int( analog ), 10 )
def testCurrADCZeroXZ0( self ): # Constants and coeff. R1 = 5.11 R2 = 10.0 Splitter = R2/(R1+R2) Vmax = 5000.0 #mV capacity = 10 Kiu = 188.0 # mV/A dI = 0.0 # A I = 10 # A # проверяем self._valueDict[ 'value' ] = I self._valueDict['displacement'] = dI self._valueDict['converter' ] = Kiu self._valueDict['scale'] = Splitter self._valueDict['capacity'] = capacity self._valueDict['Vmax'] = Vmax code, Kda = adda.modelADC( self._valueDict, printRpt, adda.calcZeroDisplacmentX ) # Проверка кода числ self.assertEqual( tc.byte4strhex( code ), '0x00FE' )
def testADC( self ): self._valueDict[ 'value' ] = 2.5 self._valueDict['displacement'] = 0 self._valueDict['converter' ] = 1 self._valueDict['scale'] = 1 self._valueDict['capacity'] = 8 self._valueDict['Vmax'] = 5.0 # V code, Kda = adda.modelADC( self._valueDict, printRpt, adda.calcZeroDisplacmentY ) # Проерка цифрового кода 8 бит!!, но разрядность может быть и больше0 self.assertEqual( tc.byte2strhex( code ), '0x80' )
