Example #1
0
    def setCLMidVoltage(self, vinput):
        syslog.syslog(LOG_STSW_PRI, "> HVControlBoard:setCLMidVoltage")
        vmax = 2000
        if (vinput < vmax):
            digInput = int(round(vinput * 0x10000 / vmax))
            PBBDevices.selectSPISlave(DAC_LOAD_ID, SPI_MODE_3)
            PBBDevices.setDAC7731(digInput >> 8, SPI_MODE_3)
            PBBDevices.deSelectSPISlaves(SPI_MODE_3)
            PBBDevices.selectSPISlave(DAC_LOAD_ID, SPI_MODE_3)
            PBBDevices.setDAC7731(digInput & 0x00ff, SPI_MODE_3)
            PBBDevices.deSelectSPISlaves(SPI_MODE_3)
            PBBDevices.deSelectSPISlaves(SPI_MODE_0)
            PBBDevices.selectSPISlave(DAC_OPUT_ID, SPI_MODE_0)
            PBBDevices.deSelectSPISlaves(SPI_MODE_0)

            PBBDevices.selectSPISlave(DAC_LOAD_ID, SPI_MODE_3)
            config1 = int(PBBDevices.setDAC7731(digInput >> 8, SPI_MODE_3))
            PBBDevices.deSelectSPISlaves(SPI_MODE_3)
            PBBDevices.selectSPISlave(DAC_LOAD_ID, SPI_MODE_3)
            config2 = int(PBBDevices.setDAC7731(digInput & 0x00ff, SPI_MODE_3))
            PBBDevices.deSelectSPISlaves(SPI_MODE_3)
            PBBDevices.deSelectSPISlaves(SPI_MODE_0)
            PBBDevices.selectSPISlave(DAC_OPUT_ID, SPI_MODE_0)
            PBBDevices.deSelectSPISlaves(SPI_MODE_0)

            if (digInput == (config1 << 8 | config2)):
                print "Desired voltage is set"
            else:
                print "Unable to set desired Voltage"
        else:
            print "wrong input, input voltage should be less than 10 Volts"
        syslog.syslog(LOG_STSW_PRI, "< HVControlBoard:setCLMidVoltage")
	def setCLMidVoltage(self,vinput):
		syslog.syslog(LOG_STSW_PRI,"> HVControlBoard:setCLMidVoltage")
		vmax = 2000
		if (vinput<vmax):
			digInput = int(round(vinput*0x10000/vmax))
			PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
			PBBDevices.setDAC7731(digInput>>8,SPI_MODE_3)
			PBBDevices.deSelectSPISlaves(SPI_MODE_3)
			PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
			PBBDevices.setDAC7731(digInput & 0x00ff,SPI_MODE_3)
			PBBDevices.deSelectSPISlaves(SPI_MODE_3)
			PBBDevices.deSelectSPISlaves(SPI_MODE_0)
			PBBDevices.selectSPISlave(DAC_OPUT_ID,SPI_MODE_0)
			PBBDevices.deSelectSPISlaves(SPI_MODE_0)
			
			PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
			config1 = int(PBBDevices.setDAC7731(digInput>>8,SPI_MODE_3))
			PBBDevices.deSelectSPISlaves(SPI_MODE_3)
			PBBDevices.selectSPISlave(DAC_LOAD_ID,SPI_MODE_3)
			config2 = int(PBBDevices.setDAC7731(digInput & 0x00ff,SPI_MODE_3))
			PBBDevices.deSelectSPISlaves(SPI_MODE_3)
			PBBDevices.deSelectSPISlaves(SPI_MODE_0)
			PBBDevices.selectSPISlave(DAC_OPUT_ID,SPI_MODE_0)
			PBBDevices.deSelectSPISlaves(SPI_MODE_0)
			
			if (digInput == (config1<<8|config2)):
				print "Desired voltage is set"
			else:
				print "Unable to set desired Voltage"
		else:
			print "wrong input, input voltage should be less than 10 Volts"
		syslog.syslog(LOG_STSW_PRI,"< HVControlBoard:setCLMidVoltage")