251 lines
11 KiB
Python
251 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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#############################################################
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# This file was automatically generated on 2013-02-19. #
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# #
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# Bindings Version 2.0.4 #
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# #
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# If you have a bugfix for this file and want to commit it, #
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# please fix the bug in the generator. You can find a link #
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# to the generator git on tinkerforge.com #
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#############################################################
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try:
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from collections import namedtuple
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except ImportError:
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try:
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from .ip_connection import namedtuple
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except ValueError:
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from ip_connection import namedtuple
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try:
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from .ip_connection import Device, IPConnection, Error
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except ValueError:
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from ip_connection import Device, IPConnection, Error
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GetConfiguration = namedtuple('Configuration', ['direction_mask', 'value_mask'])
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GetMonoflop = namedtuple('Monoflop', ['value', 'time', 'time_remaining'])
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GetIdentity = namedtuple('Identity', ['uid', 'connected_uid', 'position', 'hardware_version', 'firmware_version', 'device_identifier'])
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class BrickletIO4(Device):
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"""
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Device for controlling up to 4 general purpose input/output pins
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"""
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DEVICE_IDENTIFIER = 29
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CALLBACK_INTERRUPT = 9
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CALLBACK_MONOFLOP_DONE = 12
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FUNCTION_SET_VALUE = 1
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FUNCTION_GET_VALUE = 2
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FUNCTION_SET_CONFIGURATION = 3
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FUNCTION_GET_CONFIGURATION = 4
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FUNCTION_SET_DEBOUNCE_PERIOD = 5
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FUNCTION_GET_DEBOUNCE_PERIOD = 6
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FUNCTION_SET_INTERRUPT = 7
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FUNCTION_GET_INTERRUPT = 8
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FUNCTION_SET_MONOFLOP = 10
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FUNCTION_GET_MONOFLOP = 11
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FUNCTION_SET_SELECTED_VALUES = 13
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FUNCTION_GET_IDENTITY = 255
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DIRECTION_IN = 'i'
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DIRECTION_OUT = 'o'
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def __init__(self, uid, ipcon):
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"""
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Creates an object with the unique device ID *uid* and adds it to
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the IP Connection *ipcon*.
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"""
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Device.__init__(self, uid, ipcon)
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self.api_version = (2, 0, 0)
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self.response_expected[BrickletIO4.FUNCTION_SET_VALUE] = BrickletIO4.RESPONSE_EXPECTED_FALSE
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self.response_expected[BrickletIO4.FUNCTION_GET_VALUE] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_TRUE
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self.response_expected[BrickletIO4.FUNCTION_SET_CONFIGURATION] = BrickletIO4.RESPONSE_EXPECTED_FALSE
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self.response_expected[BrickletIO4.FUNCTION_GET_CONFIGURATION] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_TRUE
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self.response_expected[BrickletIO4.FUNCTION_SET_DEBOUNCE_PERIOD] = BrickletIO4.RESPONSE_EXPECTED_TRUE
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self.response_expected[BrickletIO4.FUNCTION_GET_DEBOUNCE_PERIOD] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_TRUE
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self.response_expected[BrickletIO4.FUNCTION_SET_INTERRUPT] = BrickletIO4.RESPONSE_EXPECTED_TRUE
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self.response_expected[BrickletIO4.FUNCTION_GET_INTERRUPT] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_TRUE
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self.response_expected[BrickletIO4.CALLBACK_INTERRUPT] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_FALSE
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self.response_expected[BrickletIO4.FUNCTION_SET_MONOFLOP] = BrickletIO4.RESPONSE_EXPECTED_FALSE
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self.response_expected[BrickletIO4.FUNCTION_GET_MONOFLOP] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_TRUE
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self.response_expected[BrickletIO4.CALLBACK_MONOFLOP_DONE] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_FALSE
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self.response_expected[BrickletIO4.FUNCTION_SET_SELECTED_VALUES] = BrickletIO4.RESPONSE_EXPECTED_FALSE
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self.response_expected[BrickletIO4.FUNCTION_GET_IDENTITY] = BrickletIO4.RESPONSE_EXPECTED_ALWAYS_TRUE
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self.callback_formats[BrickletIO4.CALLBACK_INTERRUPT] = 'B B'
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self.callback_formats[BrickletIO4.CALLBACK_MONOFLOP_DONE] = 'B B'
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def set_value(self, value_mask):
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"""
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Sets the output value (high or low) with a bitmask. The bitmask
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is 4 bit long, *true* refers to high and *false* refers to low.
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For example: The value 0b0011 will turn the pins 0-1 high and the
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pins 2-3 low.
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.. note::
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This function does nothing for pins that are configured as input.
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Pull-up resistors can be switched on with :func:`SetConfiguration`.
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"""
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self.ipcon.send_request(self, BrickletIO4.FUNCTION_SET_VALUE, (value_mask,), 'B', '')
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def get_value(self):
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"""
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Returns a bitmask of the values that are currently measured.
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This function works if the pin is configured to input
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as well as if it is configured to output.
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"""
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return self.ipcon.send_request(self, BrickletIO4.FUNCTION_GET_VALUE, (), '', 'B')
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def set_configuration(self, selection_mask, direction, value):
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"""
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Configures the value and direction of the specified pins. Possible directions
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are "i" and "o" for input and output.
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If the direction is configured as output, the value is either high or low
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(set as *true* or *false*).
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If the direction is configured as input, the value is either pull-up or
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default (set as *true* or *false*).
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For example:
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* (15, 'i', true) will set all pins of as input pull-up.
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* (8, 'i', false) will set pin 3 of as input default (floating if nothing is connected).
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* (3, 'o', false) will set pins 0 and 1 as output low.
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* (4, 'o', true) will set pin 2 of as output high.
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"""
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self.ipcon.send_request(self, BrickletIO4.FUNCTION_SET_CONFIGURATION, (selection_mask, direction, value), 'B c ?', '')
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def get_configuration(self):
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"""
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Returns a value bitmask and a direction bitmask.
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For example: A return value of 0b0011 and 0b0101 for
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direction and value means that:
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* pin 0 is configured as input pull-up,
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* pin 1 is configured as input default,
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* pin 2 is configured as output high
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* and pin 3 is are configured as output low.
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"""
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return GetConfiguration(*self.ipcon.send_request(self, BrickletIO4.FUNCTION_GET_CONFIGURATION, (), '', 'B B'))
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def set_debounce_period(self, debounce):
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"""
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Sets the debounce period of the :func:`Interrupt` callback in ms.
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For example: If you set this value to 100, you will get the interrupt
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maximal every 100ms. This is necessary if something that bounces is
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connected to the IO-4 Bricklet, such as a button.
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The default value is 100.
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"""
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self.ipcon.send_request(self, BrickletIO4.FUNCTION_SET_DEBOUNCE_PERIOD, (debounce,), 'I', '')
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def get_debounce_period(self):
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"""
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Returns the debounce period as set by :func:`SetDebouncePeriod`.
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"""
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return self.ipcon.send_request(self, BrickletIO4.FUNCTION_GET_DEBOUNCE_PERIOD, (), '', 'I')
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def set_interrupt(self, interrupt_mask):
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"""
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Sets the pins on which an interrupt is activated with a bitmask.
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Interrupts are triggered on changes of the voltage level of the pin,
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i.e. changes from high to low and low to high.
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For example: An interrupt bitmask of 9 will enable the interrupt for
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pins 0 and 3.
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The interrupt is delivered with the callback :func:`Interrupt`.
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"""
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self.ipcon.send_request(self, BrickletIO4.FUNCTION_SET_INTERRUPT, (interrupt_mask,), 'B', '')
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def get_interrupt(self):
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"""
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Returns the interrupt bitmask as set by :func:`SetInterrupt`.
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"""
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return self.ipcon.send_request(self, BrickletIO4.FUNCTION_GET_INTERRUPT, (), '', 'B')
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def set_monoflop(self, selection_mask, value_mask, time):
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"""
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Configures a monoflop of the pins specified by the first parameter as 4 bit
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long bitmask. The specified pins must be configured for output. Non-output
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pins will be ignored.
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The second parameter is a bitmask with the desired value of the specified
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output pins (*true* means high and *false* means low).
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The third parameter indicates the time (in ms) that the pins should hold
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the value.
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If this function is called with the parameters ((1 << 0) | (1 << 3), (1 << 0), 1500):
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Pin 0 will get high and pin 3 will get low. In 1.5s pin 0 will get low and pin
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3 will get high again.
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A monoflop can be used as a fail-safe mechanism. For example: Lets assume you
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have a RS485 bus and an IO-4 Bricklet connected to one of the slave
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stacks. You can now call this function every second, with a time parameter
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of two seconds and pin 0 set to high. Pin 0 will be high all the time. If now
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the RS485 connection is lost, then pin 0 will get low in at most two seconds.
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.. versionadded:: 1.1.1~(Plugin)
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"""
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self.ipcon.send_request(self, BrickletIO4.FUNCTION_SET_MONOFLOP, (selection_mask, value_mask, time), 'B B I', '')
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def get_monoflop(self, pin):
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"""
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Returns (for the given pin) the current value and the time as set by
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:func:`SetMonoflop` as well as the remaining time until the value flips.
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If the timer is not running currently, the remaining time will be returned
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as 0.
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.. versionadded:: 1.1.1~(Plugin)
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"""
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return GetMonoflop(*self.ipcon.send_request(self, BrickletIO4.FUNCTION_GET_MONOFLOP, (pin,), 'B', 'B I I'))
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def set_selected_values(self, selection_mask, value_mask):
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"""
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Sets the output value (high or low) with a bitmask, according to
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the selction mask. The bitmask is 4 bit long, *true* refers to high
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and *false* refers to low.
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For example: The values 0b0110, 0b0011 will turn pin 2 high and
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pin 1 low, pin 0 and 3 will remain untouched.
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.. note::
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This function does nothing for pins that are configured as input.
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Pull-up resistors can be switched on with :func:`SetConfiguration`.
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.. versionadded:: 2.0.0~(Plugin)
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"""
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self.ipcon.send_request(self, BrickletIO4.FUNCTION_SET_SELECTED_VALUES, (selection_mask, value_mask), 'B B', '')
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def get_identity(self):
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"""
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Returns the UID, the UID where the Bricklet is connected to,
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the position, the hardware and firmware version as well as the
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device identifier.
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The position can be 'a', 'b', 'c' or 'd'.
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The device identifiers can be found :ref:`here <device_identifier>`.
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.. versionadded:: 2.0.0~(Plugin)
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"""
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return GetIdentity(*self.ipcon.send_request(self, BrickletIO4.FUNCTION_GET_IDENTITY, (), '', '8s 8s c 3B 3B H'))
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def register_callback(self, id, callback):
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"""
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Registers a callback with ID *id* to the function *callback*.
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"""
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self.registered_callbacks[id] = callback
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IO4 = BrickletIO4 # for backward compatibility
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