示例#1
0
文件: config.py 项目: tomi-engel/evok
def create_devices(Config):
    for section in Config.sections():
        # split section name ITEM123 or ITEM_123 or ITEM-123 into device=ITEM and circuit=123
        res = re.search('^([^_-]+)[_-]+(.+)$', section)
        if not res:
            res = re.search('^(.*\D)(\d+)$', section)
            if not res: continue
        devclass = res.group(1)
        # devclass = re.sub('[_-]*$','',devclass)
        # circuit = int(res.group(2))
        circuit = res.group(2)
        # print "%s %s %s" % (section,devclass, circuit)
        try:
            if devclass == 'OWBUS':
                import owclient
                bus = Config.get(section, "owbus")
                interval = Config.getfloat(section, "interval")
                scan_interval = Config.getfloat(section, "scan_interval")

                #### prepare 1wire process ##### (using thread affects timing!)
                resultPipe = multiprocessing.Pipe()
                taskPipe = multiprocessing.Pipe()
                owbus = owclient.OwBusDriver(circuit,
                                             taskPipe,
                                             resultPipe,
                                             bus=bus,
                                             interval=interval,
                                             scan_interval=scan_interval)
                Devices.register_device(OWBUS, owbus)
            elif devclass == 'SENSOR' or devclass == '1WDEVICE':
                #permanent thermometer
                bus = Config.get(section, "bus")
                owbus = Devices.by_int(OWBUS, bus)
                typ = Config.get(section, "type")
                address = Config.get(section, "address")
                interval = Config.getintdef(section, "interval", 15)
                sensor = owclient.MySensorFabric(address,
                                                 typ,
                                                 owbus,
                                                 interval=interval,
                                                 circuit=circuit,
                                                 is_static=True)
                Devices.register_device(SENSOR, sensor)
            elif devclass == '1WRELAY':
                # Relays on DS2404
                sensor = Config.get(section, "sensor")
                sensor = Devices.by_int(SENSOR, sensor)
                pin = Config.getint(section, "pin")
                r = unipig.DS2408_relay(circuit, sensor, pin)
                Devices.register_device(RELAY, r)
            elif devclass == '1WINPUT':
                # Inputs on DS2404
                sensor = Config.get(section, "sensor")
                sensor = Devices.by_int(SENSOR, sensor)
                pin = Config.getint(section, "pin")
                i = unipig.DS2408_input(circuit, sensor, pin)
                Devices.register_device(INPUT, i)
            elif devclass == 'I2CBUS':
                # I2C bus on /dev/i2c-1 via pigpio daemon
                busid = Config.getint(section, "busid")
                i2cbus = I2cBus(circuit=circuit, host='localhost', busid=busid)
                Devices.register_device(I2CBUS, i2cbus)
            elif devclass == 'MCP':
                # MCP on I2c
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                bus = Devices.by_int(I2CBUS, i2cbus)
                mcp = unipig.UnipiMcp(bus, circuit, address=address)
                Devices.register_device(MCP, mcp)
            elif devclass == 'RELAY':
                # Relays on MCP
                mcp = Config.get(section, "mcp")
                mcp = Devices.by_int(MCP, mcp)
                pin = Config.getint(section, "pin")
                r = unipig.Relay(circuit, mcp, pin)
                Devices.register_device(RELAY, r)
            elif devclass == 'GPIOBUS':
                # access to GPIO via pigpio daemon
                bus = GpioBus(circuit=circuit, host='localhost')
                Devices.register_device(GPIOBUS, bus)
            elif devclass == 'PCA9685':
                #PCA9685 on I2C
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                frequency = Config.getintdef(section, "frequency", 400)
                bus = Devices.by_int(I2CBUS, i2cbus)
                pca = unipig.UnipiPCA9685(bus,
                                          int(circuit),
                                          address=address,
                                          frequency=frequency)
                Devices.register_device(PCA9685, pca)
            elif devclass in ('AO', 'ANALOGOUTPUT'):
                try:
                    #analog output on PCA9685
                    pca = Config.get(section, "pca")
                    channel = Config.getint(section, "channel")
                    #value = Config.getfloatdef(section, "value", 0)
                    driver = Devices.by_int(PCA9685, pca)
                    ao = unipig.AnalogOutputPCA(circuit, driver, channel)
                except:
                    # analog output (PWM) on GPIO via pigpio daemon
                    gpiobus = Config.get(section, "gpiobus")
                    bus = Devices.by_int(GPIOBUS, gpiobus)
                    frequency = Config.getintdef(section, "frequency", 100)
                    value = Config.getfloatdef(section, "value", 0)
                    ao = unipig.AnalogOutputGPIO(bus,
                                                 circuit,
                                                 frequency=frequency,
                                                 value=value)
                Devices.register_device(AO, ao)
            elif devclass in ('DI', 'INPUT'):
                # digital inputs on GPIO via pigpio daemon
                gpiobus = Config.get(section, "gpiobus")
                bus = Devices.by_int(GPIOBUS, gpiobus)
                pin = Config.getint(section, "pin")
                debounce = Config.getintdef(section, "debounce", 0)
                counter_mode = Config.getstringdef(section, "counter_mode",
                                                   "disabled")
                inp = unipig.Input(bus,
                                   circuit,
                                   pin,
                                   debounce=debounce,
                                   counter_mode=counter_mode)
                Devices.register_device(INPUT, inp)
            elif devclass in ('EPROM', 'EE'):
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                size = Config.getintdef(section, "size", 256)
                bus = Devices.by_int(I2CBUS, i2cbus)
                ee = unipig.Eprom(bus, circuit, size=size, address=address)
                Devices.register_device(EE, ee)
            elif devclass in ('AICHIP', ):
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                bus = Devices.by_int(I2CBUS, i2cbus)
                mcai = unipig.UnipiMCP342x(bus, circuit, address=address)
                Devices.register_device(ADCHIP, mcai)
            elif devclass in ('AI', 'ANALOGINPUT'):
                chip = Config.get(section, "chip")
                channel = Config.getint(section, "channel")
                interval = Config.getfloatdef(section, "interval", 0)
                bits = Config.getintdef(section, "bits", 14)
                gain = Config.getintdef(section, "gain", 1)
                if circuit in ('1', '2'):
                    correction = Config.getfloatdef(
                        section, "correction",
                        globals['devices']['ai'][circuit])
                else:
                    correction = Config.getfloatdef(section, "correction",
                                                    5.564920867)
                #print correction
                mcai = Devices.by_int(ADCHIP, chip)
                try:
                    corr_rom = Config.get(section, "corr_rom")
                    eeprom = Devices.by_int(EE, corr_rom)
                    corr_addr = hexint(Config.get(section, "corr_addr"))
                    ai = unipig.AnalogInput(circuit,
                                            mcai,
                                            channel,
                                            bits=bits,
                                            gain=gain,
                                            continuous=False,
                                            interval=interval,
                                            correction=correction,
                                            rom=eeprom,
                                            corr_addr=corr_addr)
                except:
                    ai = unipig.AnalogInput(circuit,
                                            mcai,
                                            channel,
                                            bits=bits,
                                            gain=gain,
                                            continuous=False,
                                            interval=interval,
                                            correction=correction)
                Devices.register_device(AI, ai)
            elif devclass == 'NEURON':
                from neuron import Neuron
                modbus_server = Config.getstringdef(section, "modbus_server",
                                                    "127.0.0.1")
                modbus_port = Config.getintdef(section, "modbus_port", 502)
                scanfreq = Config.getfloatdef(section, "scan_frequency", 1)
                scan_enabled = Config.getbooldef(section, "scan_enabled", True)
                neuron = Neuron(circuit, modbus_server, modbus_port, scanfreq,
                                scan_enabled)
                Devices.register_device(NEURON, neuron)
            elif devclass == 'UNIPI2':
                '''from spiarm import ArmSpiAsync, ArmUart
                # UNIPI2 on SPI bus
                busdevice = Config.get(section, "busdevice")
                gpioint  = Config.getint(section, "gpioint")
                arm = ArmSpiAsync(circuit, busdevice, gpioint)
                Devices.register_device(UNIPI2, arm)
                if True:
                    import unipi2
                    for i in range(arm.nDO):
                        _r = unipi2.Relay("%s%02d" % (circuit,i+1),arm,i, 1, 0x1<<i)
                        Devices.register_device(RELAY, _r)
                    for i in range(arm.nDI):
                        _inp = unipi2.Input("%s%02d" % (circuit,i+1),arm, 0, 0x1<<i, 
                                            regdebounce=1006+i, 
                                            regcounter=arm.counter_reg+(2*i))
                        Devices.register_device(INPUT, _inp)
                    for i in range(arm.nAO):
                        _ao = unipi2.AnalogOutput("%s%02d" % (circuit,i+1),arm, 2+i)
                        Devices.register_device(AO, _ao)
                    for i in range(arm.nAI):
                        correction = 1.0 if i==0 else 1.0/3
                        _ai = unipi2.AnalogInput("%s%02d" % (circuit,i+1),arm, 3+i,
                                                 correction = correction)
                        Devices.register_device(AI, _ai)
                    arm.scanning = True
                '''

            elif devclass == 'UART':
                # UART on UNIPI2
                '''
                unipi2 = Config.get(section, "unipi2")
                unipi2 = Devices.by_int(UNIPI2, unipi2)
                uart = ArmUart(circuit,unipi2)
                Devices.register_device(UART, uart)
                '''
        except Exception, E:
            logger.debug("Error in config section %s - %s", section, str(E))
示例#2
0
def create_devices(Config, hw_dict):
    dev_counter = 0
    Config.hw_dict = hw_dict
    for section in Config.sections():
        # split section name ITEM123 or ITEM_123 or ITEM-123 into device=ITEM and circuit=123
        res = re.search('^([^_-]+)[_-]+(.+)$', section)
        if not res:
            res = re.search('^(.*\D)(\d+)$', section)
            if not res: continue
        devclass = res.group(1)
        circuit = res.group(2)
        try:
            if devclass == 'OWBUS':
                import owclient
                bus = Config.get(section, "owbus")
                interval = Config.getfloat(section, "interval")
                scan_interval = Config.getfloat(section, "scan_interval")
                #### prepare 1wire process ##### (using thread affects timing!)
                resultPipe = multiprocessing.Pipe()
                taskPipe = multiprocessing.Pipe()
                bus_driver = owclient.OwBusDriver(circuit,
                                                  taskPipe,
                                                  resultPipe,
                                                  bus=bus,
                                                  interval=interval,
                                                  scan_interval=scan_interval)
                owbus = OWBusDevice(bus_driver, dev_id=0)
                Devices.register_device(OWBUS, owbus)
            elif devclass == 'SENSOR' or devclass == '1WDEVICE':
                #permanent thermometer
                bus = Config.get(section, "bus")
                owbus = (Devices.by_int(OWBUS, bus)).bus_driver
                ow_type = Config.get(section, "type")
                address = Config.get(section, "address")
                interval = Config.getintdef(section, "interval", 15)
                sensor = owclient.MySensorFabric(address,
                                                 ow_type,
                                                 owbus,
                                                 interval=interval,
                                                 circuit=circuit,
                                                 is_static=True)
                if ow_type in ["DS2408", "DS2406", "DS2404", "DS2413"]:
                    sensor = OWSensorDevice(sensor, dev_id=0)
                Devices.register_device(SENSOR, sensor)
            elif devclass == '1WRELAY':
                # Relays on DS2404
                sensor = Config.get(section, "sensor")
                sensor = (Devices.by_int(SENSOR, sensor)).sensor_dev
                pin = Config.getint(section, "pin")
                r = unipig.DS2408_relay(circuit, sensor, pin, dev_id=0)
                Devices.register_device(RELAY, r)
            elif devclass == '1WINPUT':
                # Inputs on DS2404
                sensor = Config.get(section, "sensor")
                sensor = (Devices.by_int(SENSOR, sensor)).sensor_dev
                pin = Config.getint(section, "pin")
                i = unipig.DS2408_input(circuit, sensor, pin, dev_id=0)
                Devices.register_device(INPUT, i)
            elif devclass == 'I2CBUS':
                # I2C bus on /dev/i2c-1 via pigpio daemon
                busid = Config.getint(section, "busid")
                bus_driver = I2cBus(circuit=circuit,
                                    host='localhost',
                                    busid=busid)
                i2cbus = I2CBusDevice(bus_driver, 0)
                Devices.register_device(I2CBUS, i2cbus)
            elif devclass == 'MCP':
                # MCP on I2c
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                bus = (Devices.by_int(I2CBUS, i2cbus)).bus_driver
                mcp = unipig.UnipiMcp(bus, circuit, address=address, dev_id=0)
                Devices.register_device(MCP, mcp)
            elif devclass == 'RELAY':
                # Relays on MCP
                mcp = Config.get(section, "mcp")
                mcp = Devices.by_int(MCP, mcp)
                pin = Config.getint(section, "pin")
                r = unipig.Relay(circuit, mcp, pin, dev_id=0)
                Devices.register_device(RELAY, r)
            elif devclass == 'GPIOBUS':
                # access to GPIO via pigpio daemon
                bus_driver = GpioBus(circuit=circuit, host='localhost')
                gpio_bus = GPIOBusDevice(bus_driver, 0)
                Devices.register_device(GPIOBUS, gpio_bus)
            elif devclass == 'PCA9685':
                #PCA9685 on I2C
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                frequency = Config.getintdef(section, "frequency", 400)
                bus = (Devices.by_int(I2CBUS, i2cbus)).bus_driver
                pca = unipig.UnipiPCA9685(bus,
                                          int(circuit),
                                          address=address,
                                          frequency=frequency,
                                          dev_id=0)
                Devices.register_device(PCA9685, pca)
            elif devclass in ('AO', 'ANALOGOUTPUT'):
                try:
                    #analog output on PCA9685
                    pca = Config.get(section, "pca")
                    channel = Config.getint(section, "channel")
                    #value = Config.getfloatdef(section, "value", 0)
                    driver = Devices.by_int(PCA9685, pca)
                    ao = unipig.AnalogOutputPCA(circuit,
                                                driver,
                                                channel,
                                                dev_id=0)
                except:
                    # analog output (PWM) on GPIO via pigpio daemon
                    gpiobus = Config.get(section, "gpiobus")
                    bus = (Devices.by_int(GPIOBUS, gpiobus)).bus_driver
                    frequency = Config.getintdef(section, "frequency", 100)
                    value = Config.getfloatdef(section, "value", 0)
                    ao = unipig.AnalogOutputGPIO(bus,
                                                 circuit,
                                                 frequency=frequency,
                                                 value=value,
                                                 dev_id=0)
                Devices.register_device(AO, ao)
            elif devclass in ('DI', 'INPUT'):
                # digital inputs on GPIO via pigpio daemon
                gpiobus = Config.get(section, "gpiobus")
                bus = (Devices.by_int(GPIOBUS, gpiobus)).bus_driver
                pin = Config.getint(section, "pin")
                debounce = Config.getintdef(section, "debounce", 0)
                counter_mode = Config.getstringdef(section, "counter_mode",
                                                   "disabled")
                inp = unipig.Input(bus,
                                   circuit,
                                   pin,
                                   debounce=debounce,
                                   counter_mode=counter_mode,
                                   dev_id=0)
                Devices.register_device(INPUT, inp)
            elif devclass in ('EPROM', 'EE'):
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                size = Config.getintdef(section, "size", 256)
                bus = (Devices.by_int(I2CBUS, i2cbus)).bus_driver
                ee = unipig.Eprom(bus,
                                  circuit,
                                  size=size,
                                  address=address,
                                  dev_id=0)
                Devices.register_device(EE, ee)
            elif devclass in ('AICHIP', ):
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                bus = (Devices.by_int(I2CBUS, i2cbus)).bus_driver
                mcai = unipig.UnipiMCP342x(bus,
                                           circuit,
                                           address=address,
                                           dev_id=0)
                Devices.register_device(ADCHIP, mcai)
            elif devclass in ('AI', 'ANALOGINPUT'):
                chip = Config.get(section, "chip")
                channel = Config.getint(section, "channel")
                interval = Config.getfloatdef(section, "interval", 0)
                bits = Config.getintdef(section, "bits", 14)
                gain = Config.getintdef(section, "gain", 1)
                if circuit in ('1', '2'):
                    correction = Config.getfloatdef(
                        section, "correction",
                        up_globals['devices']['ai'][circuit])
                else:
                    correction = Config.getfloatdef(section, "correction",
                                                    5.564920867)
                mcai = Devices.by_int(ADCHIP, chip)
                try:
                    corr_rom = Config.get(section, "corr_rom")
                    eeprom = Devices.by_int(EE, corr_rom)
                    corr_addr = hexint(Config.get(section, "corr_addr"))
                    ai = unipig.AnalogInput(circuit,
                                            mcai,
                                            channel,
                                            bits=bits,
                                            gain=gain,
                                            continuous=False,
                                            interval=interval,
                                            correction=correction,
                                            rom=eeprom,
                                            corr_addr=corr_addr,
                                            dev_id=0)
                except:
                    ai = unipig.AnalogInput(circuit,
                                            mcai,
                                            channel,
                                            bits=bits,
                                            gain=gain,
                                            continuous=False,
                                            interval=interval,
                                            correction=correction,
                                            dev_id=0)
                Devices.register_device(AI, ai)
            elif devclass == 'NEURON':
                from neuron import Neuron
                dev_counter += 1
                modbus_server = Config.getstringdef(section, "modbus_server",
                                                    "127.0.0.1")
                modbus_port = Config.getintdef(section, "modbus_port", 502)
                scanfreq = Config.getfloatdef(section, "scan_frequency", 1)
                scan_enabled = Config.getbooldef(section, "scan_enabled", True)
                allow_register_access = Config.getbooldef(
                    section, "allow_register_access", False)
                circuit = Config.getintdef(section, "global_id", 2)
                neuron = Neuron(circuit,
                                Config,
                                modbus_server,
                                modbus_port,
                                scanfreq,
                                scan_enabled,
                                hw_dict,
                                direct_access=allow_register_access,
                                dev_id=dev_counter)
                Devices.register_device(NEURON, neuron)
            elif devclass == 'EXTENSION':
                from neuron import UartNeuron
                dev_counter += 1
                modbus_uart_port = Config.getstringdef(section,
                                                       "modbus_uart_port",
                                                       "/dev/ttyNS0")
                scanfreq = Config.getfloatdef(section, "scan_frequency", 10)
                scan_enabled = Config.getbooldef(section, "scan_enabled", True)
                uart_baud_rate = Config.getintdef(section, "baud_rate", 19200)
                uart_parity = Config.getstringdef(section, "parity", 'N')
                uart_stopbits = Config.getintdef(section, "stop_bits", 1)
                uart_address = Config.getintdef(section, "address", 1)
                device_name = Config.getstringdef(section, "device_name",
                                                  "unspecified")
                allow_register_access = Config.getbooldef(
                    section, "allow_register_access", False)
                neuron_uart_circuit = Config.getstringdef(
                    section, "neuron_uart_circuit", "None")
                circuit = Config.getintdef(section, "global_id", 2)
                neuron = UartNeuron(circuit,
                                    Config,
                                    modbus_uart_port,
                                    scanfreq,
                                    scan_enabled,
                                    hw_dict,
                                    baud_rate=uart_baud_rate,
                                    parity=uart_parity,
                                    stopbits=uart_stopbits,
                                    device_name=device_name,
                                    uart_address=uart_address,
                                    direct_access=allow_register_access,
                                    dev_id=dev_counter,
                                    neuron_uart_circuit=neuron_uart_circuit)
                Devices.register_device(NEURON, neuron)

        except Exception, E:
            logger.exception("Error in config section %s - %s", section,
                             str(E))
示例#3
0
def create_devices(Config):
    for section in Config.sections():
        # split section name ITEM123 or ITEM_123 or ITEM-123 into device=ITEM and circuit=123
        res = re.search('^([^_-]+)[_-]+(.+)$', section)
        if not res:
            res = re.search('^(.*\D)(\d+)$', section)
            if not res: continue
        devclass = res.group(1)
        # devclass = re.sub('[_-]*$','',devclass)
        # circuit = int(res.group(2))
        circuit = res.group(2)
        #print "%s %s %s" % (section,devclass, circuit)
        try:
            if devclass == 'OWBUS':
                bus = Config.get(section, "owbus")
                interval = Config.getfloat(section, "interval")
                scan_interval = Config.getfloat(section, "scan_interval")

                #### prepare 1wire process ##### (using thread affects timing!)
                resultPipe = multiprocessing.Pipe()
                taskPipe = multiprocessing.Pipe()
                owbus = owclient.OwBusDriver(circuit,
                                             taskPipe,
                                             resultPipe,
                                             bus=bus,
                                             interval=interval,
                                             scan_interval=scan_interval)
                Devices.register_device(OWBUS, owbus)
            elif devclass == 'SENSOR':
                #permanent thermometer
                bus = Config.get(section, "bus")
                owbus = Devices.by_int(OWBUS, bus)
                typ = Config.get(section, "type")
                address = Config.get(section, "address")
                interval = Config.getfloat(section, "interval")
                therm1 = owclient.MySensorFabric(address,
                                                 typ,
                                                 owbus,
                                                 interval=1,
                                                 circuit=circuit)
                Devices.register_device(SENSOR, therm1)
            elif devclass == 'I2CBUS':
                # I2C bus on /dev/i2c-1 via pigpio daemon
                busid = Config.getint(section, "busid")
                i2cbus = I2cBus(circuit=circuit, host='localhost', busid=busid)
                Devices.register_device(I2CBUS, i2cbus)
            elif devclass == 'MCP':
                # MCP on I2c
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                bus = Devices.by_int(I2CBUS, i2cbus)
                mcp = unipig.UnipiMcp(bus, circuit, address=address)
                Devices.register_device(MCP, mcp)
            elif devclass == 'RELAY':
                # Relays on MCP
                mcp = Config.get(section, "mcp")
                mcp = Devices.by_int(MCP, mcp)
                pin = Config.getint(section, "pin")
                r = unipig.Relay(circuit, mcp, pin)
                Devices.register_device(RELAY, r)
            elif devclass == 'GPIOBUS':
                # access to GPIO via pigpio daemon
                bus = GpioBus(circuit=circuit, host='localhost')
                Devices.register_device(GPIOBUS, bus)
            elif devclass == 'PCA9685':
                #PCA9685 on I2C
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                frequency = getintdef(Config, section, "frequency", 400)
                bus = Devices.by_int(I2CBUS, i2cbus)
                pca = unipig.UnipiPCA9685(bus,
                                          int(circuit),
                                          address=address,
                                          frequency=frequency)
                Devices.register_device(PCA9685, pca)
            elif devclass in ('AO', 'ANALOGOUTPUT'):
                try:
                    #analog output on PCA9685
                    pca = Config.get(section, "pca")
                    channel = Config.getint(section, "channel")
                    #value = getfloatdef(Config, section, "value", 0)
                    driver = Devices.by_int(PCA9685, pca)
                    ao = unipig.AnalogOutputPCA(circuit, driver, channel)
                except:
                    # analog output (PWM) on GPIO via pigpio daemon
                    gpiobus = Config.get(section, "gpiobus")
                    bus = Devices.by_int(GPIOBUS, gpiobus)
                    frequency = getintdef(Config, section, "frequency", 100)
                    value = getfloatdef(Config, section, "value", 0)
                    ao = unipig.AnalogOutputGPIO(bus,
                                                 circuit,
                                                 frequency=frequency,
                                                 value=value)
                Devices.register_device(AO, ao)
            elif devclass in ('INPUT', 'DI'):
                # digital inputs on GPIO via pigpio daemon
                gpiobus = Config.get(section, "gpiobus")
                bus = Devices.by_int(GPIOBUS, gpiobus)
                pin = Config.getint(section, "pin")
                debounce = getintdef(Config, section, "debounce", 0)
                inp = unipig.Input(bus, circuit, pin, debounce=debounce)
                Devices.register_device(INPUT, inp)
            elif devclass in ('EPROM', 'EE'):
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                size = getintdef(Config, section, "size", 256)
                bus = Devices.by_int(I2CBUS, i2cbus)
                ee = unipig.Eprom(bus, circuit, size=size, address=address)
                Devices.register_device(EE, ee)
            elif devclass in ('AICHIP', ):
                i2cbus = Config.get(section, "i2cbus")
                address = hexint(Config.get(section, "address"))
                bus = Devices.by_int(I2CBUS, i2cbus)
                mcai = unipig.UnipiMCP342x(bus, circuit, address=address)
                Devices.register_device(ADCHIP, mcai)
            elif devclass in ('AI', 'ANALOGINPUT'):
                chip = Config.get(section, "chip")
                channel = Config.getint(section, "channel")
                interval = getfloatdef(Config, section, "interval", 0)
                bits = getintdef(Config, section, "bits", 14)
                gain = getintdef(Config, section, "gain", 1)
                correction = getfloatdef(Config, section, "correction",
                                         5.564920867)
                corr_rom = Config.get(section, "corr_rom")
                eeprom = Devices.by_int(EE, corr_rom)
                corr_addr = hexint(Config.get(section, "corr_addr"))
                mcai = Devices.by_int(ADCHIP, chip)
                ai = unipig.AnalogInput(circuit,
                                        mcai,
                                        channel,
                                        bits=bits,
                                        gain=gain,
                                        continuous=False,
                                        interval=interval,
                                        correction=correction,
                                        rom=eeprom,
                                        corr_addr=corr_addr)
                Devices.register_device(AI, ai)

        except Exception, E:
            print("Error in config section %s - %s" % (section, str(E)))