How to use the picoscope.picobase._PicoscopeBase function in picoscope

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Inspired by Patrick Carle's code at
http://www.picotech.com/support/topic11239.html
which was adapted from
http://www.picotech.com/support/topic4926.html
"""


class PS2000(_PicoscopeBase):
    """The following are low-level functions for the PS2000."""

    LIBNAME = "ps2000"

    NUM_CHANNELS = 2
    CHANNELS = {"A": 0, "B": 1, "MaxChannels": 2}

    THRESHOLD_TYPE = {"Rising": 0,
                      "Falling": 1}

    CHANNEL_RANGE = [
        {"rangeV": 20E-3, "apivalue": 1, "rangeStr": "20 mV"},
        {"rangeV": 50E-3, "apivalue": 2, "rangeStr": "50 mV"},
        {"rangeV": 100E-3, "apivalue": 3, "rangeStr": "100 mV"},
        {"rangeV": 200E-3, "apivalue": 4, "rangeStr": "200 mV"},
        {"rangeV": 500E-3, "apivalue": 5, "rangeStr": "500 mV"},

# to load the proper dll
import platform

# Do not import or use ill definied data types
# such as short int or long
# use the values specified in the h file
# float is always defined as 32 bits
# double is defined as 64 bits
from ctypes import byref, POINTER, create_string_buffer, c_float, \
    c_int8, c_int16, c_int32, c_uint32, c_uint64, c_void_p
from ctypes import c_int32 as c_enum

from picoscope.picobase import _PicoscopeBase


class PS6000(_PicoscopeBase):
    """The following are low-level functions for the PS6000."""

    LIBNAME = "ps6000"

    MAX_VALUE = 32764
    MIN_VALUE = -32764

    # EXT/AUX seems to have an imput impedence of 50 ohm (PS6403B)
    EXT_MAX_VALUE = 32767
    EXT_MIN_VALUE = -32767
    EXT_RANGE_VOLTS = 1

    # I don't think that the 50V range is allowed, but I left it there anyway
    # The 10V and 20V ranges are only allowed in high impedence modes
    CHANNEL_RANGE = [{"rangeV": 20E-3,  "apivalue": 1, "rangeStr": "20 mV"},
                     {"rangeV": 50E-3,  "apivalue": 2, "rangeStr": "50 mV"},

# Do not import or use ill definied data types
# such as short int or long
# use the values specified in the h file
# float is always defined as 32 bits
# double is defined as 64 bits
from ctypes import byref, POINTER, create_string_buffer, c_float, \
    c_int16, c_uint16, c_int32, c_uint32, c_uint64, c_void_p, c_int8
from ctypes import c_int32 as c_enum

import warnings

from picoscope.picobase import _PicoscopeBase


class PS4000a(_PicoscopeBase):
    """The following are low-level functions for the PS4000A."""

    LIBNAME = "ps4000a"

    MAX_VALUE = 32764
    MIN_VALUE = -32764

    # EXT/AUX seems to have an input impedance of 50 ohm (PS6403B)
    EXT_MAX_VALUE = 32767
    EXT_MIN_VALUE = -32767
    EXT_RANGE_VOLTS = 1

    # I don't think that the 50V range is allowed, but I left it there anyway
    # The 10V and 20V ranges are only allowed in high impedence modes
    CHANNEL_RANGE = [{"rangeV": 20E-3, "apivalue": 1, "rangeStr": "20 mV"},
                     {"rangeV": 50E-3, "apivalue": 2, "rangeStr": "50 mV"},

# to load the proper dll
import platform

# Do not import or use ill definied data types
# such as short int or long
# use the values specified in the h file
# float is always defined as 32 bits
# double is defined as 64 bits
from ctypes import byref, POINTER, create_string_buffer, c_float, \
    c_int16, c_uint16, c_int32, c_uint32, c_uint64, c_void_p
from ctypes import c_int32 as c_enum

from picoscope.picobase import _PicoscopeBase


class PS4000(_PicoscopeBase):
    """The following are low-level functions for the PS4000."""

    LIBNAME = "ps4000"

    MAX_VALUE = 32764
    MIN_VALUE = -32764

    # AWG stuff here:
    AWGMaxSamples = 4096

    AWGDACInterval = 1 / 192000  # [s]
    AWGDACFrequency = 192000  # [Hz]
    AWGPhaseAccumulatorSize = 32

    AWGMaxVal = 32767
    AWGMinVal = -32768

# to load the proper dll
import platform

# Do not import or use ill definied data types
# such as short int or long
# use the values specified in the h file
# float is always defined as 32 bits
# double is defined as 64 bits
from ctypes import byref, POINTER, create_string_buffer, c_float, \
    c_int16, c_int32, c_uint16, c_uint32, c_void_p
from ctypes import c_int32 as c_enum

from picoscope.picobase import _PicoscopeBase


class PS3000a(_PicoscopeBase):
    """The following are low-level functions for the PS3000a."""

    LIBNAME = "ps3000a"

    NUM_CHANNELS = 4
    CHANNELS = {"A": 0, "B": 1, "C": 2, "D": 3,
                "External": 4, "MaxChannels": 4, "TriggerAux": 5}

    ADC_RESOLUTIONS = {"8": 0, "12": 1, "14": 2, "15": 3, "16": 4}

    CHANNEL_RANGE = [{"rangeV": 10E-3, "apivalue": 0, "rangeStr": "10 mV"},
                     {"rangeV": 20E-3, "apivalue": 1, "rangeStr": "20 mV"},
                     {"rangeV": 50E-3, "apivalue": 2, "rangeStr": "50 mV"},
                     {"rangeV": 100E-3, "apivalue": 3, "rangeStr": "100 mV"},
                     {"rangeV": 200E-3, "apivalue": 4, "rangeStr": "200 mV"},
                     {"rangeV": 500E-3, "apivalue": 5, "rangeStr": "500 mV"},

# to load the proper dll
import platform

# Do not import or use ill definied data types
# such as short int or long
# use the values specified in the h file
# float is always defined as 32 bits
# double is defined as 64 bits
from ctypes import byref, POINTER, create_string_buffer, c_float, \
    c_int16, c_int32, c_uint16, c_uint32, c_void_p
from ctypes import c_int32 as c_enum

from picoscope.picobase import _PicoscopeBase


class PS2000a(_PicoscopeBase):
    """The following are low-level functions for the PS2000a."""

    LIBNAME = "ps2000a"

    NUM_CHANNELS = 4
    CHANNELS = {"A": 0, "B": 1, "C": 2, "D": 3,
                "External": 4, "MaxChannels": 4, "TriggerAux": 5}

    ADC_RESOLUTIONS = {"8": 0, "12": 1, "14": 2, "15": 3, "16": 4}

    CHANNEL_RANGE = [{"rangeV": 10E-3, "apivalue": 0, "rangeStr": "10 mV"},
                     {"rangeV": 20E-3, "apivalue": 1, "rangeStr": "20 mV"},
                     {"rangeV": 50E-3, "apivalue": 2, "rangeStr": "50 mV"},
                     {"rangeV": 100E-3, "apivalue": 3, "rangeStr": "100 mV"},
                     {"rangeV": 200E-3, "apivalue": 4, "rangeStr": "200 mV"},
                     {"rangeV": 500E-3, "apivalue": 5, "rangeStr": "500 mV"},

# to load the proper dll
import platform

# Do not import or use ill definied data types
# such as short int or long
# use the values specified in the h file
# float is always defined as 32 bits
# double is defined as 64 bits
from ctypes import byref, POINTER, create_string_buffer, c_float, \
    c_int16, c_int32, c_uint32, c_void_p, c_int64
from ctypes import c_int32 as c_enum

from picoscope.picobase import _PicoscopeBase


class PS5000a(_PicoscopeBase):
    """The following are low-level functions for the PS5000."""

    LIBNAME = "ps5000a"

    NUM_CHANNELS = 4
    CHANNELS = {"A": 0, "B": 1, "C": 2, "D": 3,
                "External": 4, "MaxChannels": 4, "TriggerAux": 5}

    ADC_RESOLUTIONS = {"8": 0, "12": 1, "14": 2, "15": 3, "16": 4}

    CHANNEL_RANGE = [{"rangeV": 10E-3, "apivalue": 0, "rangeStr": "10 mV"},
                     {"rangeV": 20E-3, "apivalue": 1, "rangeStr": "20 mV"},
                     {"rangeV": 50E-3, "apivalue": 2, "rangeStr": "50 mV"},
                     {"rangeV": 100E-3, "apivalue": 3, "rangeStr": "100 mV"},
                     {"rangeV": 200E-3, "apivalue": 4, "rangeStr": "200 mV"},
                     {"rangeV": 500E-3, "apivalue": 5, "rangeStr": "500 mV"},