170bdd104f
Large change that removes the duplicated MIT notice withe a spdx tag Signed-off-by: Thomas Ingleby <thomas.ingleby@intel.com>
40 lines
1.1 KiB
Python
Executable File
40 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python
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# Author: Alex Tereschenko <alext.mkrs@gmail.com>
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# Copyright (c) 2016 Alex Tereschenko.
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#
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# SPDX-License-Identifier: MIT
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import mraa as m
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import unittest as u
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from i2c_checks_shared import *
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class I2cChecksReadWordData(u.TestCase):
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def setUp(self):
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self.i2c = m.I2c(MRAA_I2C_BUS_NUM)
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def tearDown(self):
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del self.i2c
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def test_i2c_read_word_data(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR)
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high_byte = 0xAA
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low_byte = 0xBB
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expected_res = (high_byte << 8) + low_byte
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self.i2c.writeReg(MRAA_MOCK_I2C_DATA_LEN - 2, high_byte)
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self.i2c.writeReg(MRAA_MOCK_I2C_DATA_LEN - 1, low_byte)
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res = self.i2c.readWordReg(MRAA_MOCK_I2C_DATA_LEN - 2)
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self.assertEqual(res, expected_res, "I2C readWordReg() returned unexpected data")
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def test_i2c_read_word_data_invalid_addr(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR - 1)
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self.assertRaises(ValueError, self.i2c.readWordReg, MRAA_MOCK_I2C_DATA_LEN - 2)
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def test_i2c_read_word_data_invalid_reg(self):
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self.i2c.address(MRAA_MOCK_I2C_ADDR)
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self.assertRaises(ValueError, self.i2c.readReg, MRAA_MOCK_I2C_DATA_LEN)
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if __name__ == "__main__":
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u.main()
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