Python union_i2c_smbus_data Examples

Example #1

    def test_union_i2c_smbus_data(self):
        u = union_i2c_smbus_data()

        # Fill array with values 1, 2, ...
        for k in range(I2C_SMBUS_BLOCK_MAX + 2):
            u.block[k] = k + 1

        # Check that the union works
        self.assertEqual(u.byte, u.block[0], msg="Byte field differ")
        self.assertEqual(u.block[16], 17, msg="Array field does not match")

        # Set byte and se it reflected in the array
        u.byte = 255
        self.assertEqual(u.block[0],
                         255,
                         msg="Byte field not reflected in array")

        # Reset array to zeros and check word field
        for k in range(I2C_SMBUS_BLOCK_MAX + 2):
            u.block[k] = 0
        u.word = 1607
        self.assertNotEqual(0,
                            u.word,
                            msg="Word field is zero but should be non-zero")
        u.word = 0

Example #2

File: test_datatypes.py Project: artizirk/smbus2

    def test_union_i2c_smbus_data(self):
        u = union_i2c_smbus_data()

        # Fill array with values 1, 2, ...
        for k in range(I2C_SMBUS_BLOCK_MAX+2):
            u.block[k] = k+1

        # Check that the union works
        self.assertEqual(u.byte, u.block[0], msg="Byte field differ")
        self.assertEqual(u.block[16], 17, msg="Array field does not match")

        # Set byte and se it reflected in the array
        u.byte = 255
        self.assertEqual(u.block[0], 255, msg="Byte field not reflected in array")

        # Reset array to zeros and check word field
        for k in range(I2C_SMBUS_BLOCK_MAX+2):
            u.block[k] = 0
        u.word = 1607
        self.assertNotEqual(0, u.word, msg="Word field is zero but should be non-zero")
        u.word = 0