コード例 #1
0
def relay_test():
    i2c = I2C(
        name="Relays",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x27,
        mux=None,
        channel=1,
        #        mux_simulator=MuxSimulator(),
        #        PeripheralSimulator=CustomPeripheralSimulator,
    )

    # one-time setup
    i2c.write_register(0x00, 0x00)  # set pins 0-7 to output
    i2c.write_register(0x01, 0x00)  # set pins 8-15 to output
    i2c.write_register(0x12, 0x00)  # set outputs 0-7 to off
    i2c.write_register(0x13, 0x00)  # set outputs 8-15 to off
    time.sleep(.5)

    while True:
        # write and read testing
        i2c.write_register(0x12, 0xFF)  # set outputs 0-7 to on
        i2c.write_register(0x13, 0xFF)  # set outputs 8-15 to on
        time.sleep(2)
        logging.info(i2c.read_register(
            0x14))  # read current MCP pin setting for pins 0-7
        logging.info(i2c.read_register(
            0x15))  # read current MCP pin setting for pins 8-15
        time.sleep(2)
        i2c.write_register(0x12, 0x00)  # set outputs 0-7 to off
        i2c.write_register(0x13, 0x00)  # set outputs 8-15 to off
        time.sleep(2)
コード例 #2
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def talk_to_arduino():
    i2c = I2C(name="Arduino",
              i2c_lock=threading.RLock(),
              bus=2,
              address=0x08,
              mux=None)

    i2c.write(bytes("*w_3_0^", 'utf-8'))
コード例 #3
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def test_init():
    i2c = I2C(
        name="Test",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x40,
        mux=0x77,
        channel=4,
        mux_simulator=MuxSimulator(),
        PeripheralSimulator=PeripheralSimulator,
    )
コード例 #4
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def test_write_register():
    i2c = I2C(
        name="Test",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x40,
        mux=0x77,
        channel=4,
        mux_simulator=MuxSimulator(),
        PeripheralSimulator=PeripheralSimulator,
    )
    i2c.write_register(0x01, 0x02)
コード例 #5
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def test_read_empty_register():
    i2c = I2C(
        name="Test",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x40,
        mux=0x77,
        channel=4,
        mux_simulator=MuxSimulator(),
        PeripheralSimulator=PeripheralSimulator,
    )
    byte = i2c.read_register(0x01)
コード例 #6
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def test_write_unknown():
    i2c = I2C(
        name="Test",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x40,
        mux=0x77,
        channel=4,
        mux_simulator=MuxSimulator(),
        PeripheralSimulator=PeripheralSimulator,
    )
    with pytest.raises(WriteError):
        i2c.write([0x01])
コード例 #7
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def test_read_empty():
    i2c = I2C(
        name="Test",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x40,
        mux=0x77,
        channel=4,
        mux_simulator=MuxSimulator(),
        PeripheralSimulator=PeripheralSimulator,
    )
    bytes_ = i2c.read(2)
    assert bytes_[0] == 0x00
    assert bytes_[1] == 0x00
コード例 #8
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def test_if_device_exists():
    ad = 0x08
    logging.info(ad)

    i2c = I2C(name="Device",
              i2c_lock=threading.RLock(),
              bus=2,
              address=ad,
              mux=None)

    i2c.write(bytes("i"))


# test_if_device_exists()
コード例 #9
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def read_light_sensor():
    TSL2561_control = 0x80
    TSL2561_timing = 0x81
    TSL2561_Interrupt = 0x86
    TSL2561_Channal0L = 0x8C
    TSL2561_Channal0H = 0x8D
    TSL2561_Channal1L = 0x8E
    TSL2561_Channal1H = 0x8F

    TSL2561_Address = 0x29  # device address

    i2c = I2C(name="Arduino",
              i2c_lock=threading.RLock(),
              bus=2,
              address=0x29,
              mux=None)
コード例 #10
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def test_read_custom_register():
    class CustomPeripheralSimulator(PeripheralSimulator):
        def __init__(self, *args, **kwargs):
            super().__init__(*args, **kwargs)

            self.registers = {0xE7: 0x00}

    i2c = I2C(
        name="Test",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x40,
        mux=0x77,
        channel=4,
        mux_simulator=MuxSimulator(),
        PeripheralSimulator=CustomPeripheralSimulator,
    )
    assert i2c.read_register(0xE7) == 0x00
コード例 #11
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def test_write_read():
    class CustomPeripheralSimulator(PeripheralSimulator):
        def __init__(self, *args, **kwargs):
            super().__init__(*args, **kwargs)
            self.writes = {byte_str(bytes([0x01])): bytes([0x02])}

    i2c = I2C(
        name="Test",
        i2c_lock=threading.RLock(),
        bus=2,
        address=0x40,
        mux=0x77,
        channel=4,
        mux_simulator=MuxSimulator(),
        PeripheralSimulator=CustomPeripheralSimulator,
    )
    i2c.write(bytes([0x01]))
    bytes_ = i2c.read(1)
    assert bytes_[0] == 0x02