diff options
author | Cody Hiar <codyfh@gmail.com> | 2018-05-27 15:29:21 -0600 |
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committer | Cody Hiar <codyfh@gmail.com> | 2018-05-27 15:29:21 -0600 |
commit | ceec171c42bd79f1762b971569e20ead656f4fd0 (patch) | |
tree | 1880be0b1cef9786be5bc818cbd50095cd797a6d /Adafruit_Python_GPIO/tests/test_SPI.py | |
parent | 611a8b7be4331e4f8416c4d10a0be47a109b47e4 (diff) |
Moving libs into separate own directory
Diffstat (limited to 'Adafruit_Python_GPIO/tests/test_SPI.py')
-rw-r--r-- | Adafruit_Python_GPIO/tests/test_SPI.py | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/Adafruit_Python_GPIO/tests/test_SPI.py b/Adafruit_Python_GPIO/tests/test_SPI.py deleted file mode 100644 index 123eec1..0000000 --- a/Adafruit_Python_GPIO/tests/test_SPI.py +++ /dev/null @@ -1,192 +0,0 @@ -# Copyright (c) 2014 Adafruit Industries -# Author: Tony DiCola -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -# THE SOFTWARE. - -import unittest - -import Adafruit_GPIO as GPIO -import Adafruit_GPIO.SPI as SPI - -from MockGPIO import MockGPIO - - -class TestBitBangSPI(unittest.TestCase): - def test_pin_modes_set_correctly(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - self.assertDictEqual(gpio.pin_mode, { 1: GPIO.OUT, - 2: GPIO.OUT, - 3: GPIO.IN, - 4: GPIO.OUT }) - - def test_ss_set_high_after_initialization(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - self.assertListEqual(gpio.pin_written[4], [1]) - - def test_mode_0_write(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - device.write([0x1F]) - # Verify clock - self.assertListEqual(gpio.pin_written[1], [0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0]) - # Verify MOSI - self.assertListEqual(gpio.pin_written[2], [0, 0, 0, 1, 1, 1, 1, 1]) - # Verify MISO - self.assertNotIn(3, gpio.pin_written) - # Verify SS - self.assertListEqual(gpio.pin_written[4], [1, 0, 1]) - - def test_write_assert_deassert_ss_false(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - device.write([0x1F], assert_ss=False, deassert_ss=False) - self.assertListEqual(gpio.pin_written[4], [1]) - - def test_write_lsbfirst(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - device.set_bit_order(SPI.LSBFIRST) - device.write([0x1F]) - self.assertListEqual(gpio.pin_written[2], [1, 1, 1, 1, 1, 0, 0, 0]) - - def test_invalid_mode_fails(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - self.assertRaises(ValueError, device.set_mode, -1) - self.assertRaises(ValueError, device.set_mode, 4) - - def test_invalid_bit_order_fails(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - self.assertRaises(ValueError, device.set_bit_order, -1) - self.assertRaises(ValueError, device.set_bit_order, 2) - - def test_mode_0_read(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - gpio.pin_read[3] = [0, 0, 0, 1, 1, 1, 1, 1] - result = device.read(1) - # Verify clock - self.assertListEqual(gpio.pin_written[1], [0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0]) - # Verify MOSI - self.assertNotIn(2, gpio.pin_written) - # Verify MISO - self.assertNotIn(3, gpio.pin_written) - # Verify SS - self.assertListEqual(gpio.pin_written[4], [1, 0, 1]) - # Verify result - self.assertEqual(result, bytearray([0x1F])) - - def test_read_assert_deassert_ss_false(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - gpio.pin_read[3] = [0, 0, 0, 1, 1, 1, 1, 1] - result = device.read(1, assert_ss=False, deassert_ss=False) - self.assertListEqual(gpio.pin_written[4], [1]) - - def test_read_multiple_bytes(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - gpio.pin_read[3] = [0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, - 0, 0, 0, 1, 1, 1, 1, 1] - result = device.read(3) - # Verify clock - self.assertListEqual(gpio.pin_written[1], [0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0]) - # Verify MOSI - self.assertNotIn(2, gpio.pin_written) - # Verify MISO - self.assertNotIn(3, gpio.pin_written) - # Verify SS - self.assertListEqual(gpio.pin_written[4], [1, 0, 1]) - # Verify result - self.assertEqual(result, bytearray([0x1F, 0xF8, 0x1F])) - - def test_write_multiple_bytes(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - device.write([0x1F, 0xF8, 0x1F]) - # Verify clock - self.assertListEqual(gpio.pin_written[1], [0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0]) - # Verify MOSI - self.assertListEqual(gpio.pin_written[2], [0, 0, 0, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 0, - 0, 0, 0, 1, 1, 1, 1, 1]) - # Verify MISO - self.assertNotIn(3, gpio.pin_written) - # Verify SS - self.assertListEqual(gpio.pin_written[4], [1, 0, 1]) - - def test_mode_0_transfer(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - gpio.pin_read[3] = [0, 0, 0, 1, 1, 1, 1, 1] - result = device.transfer([0xF8]) - # Verify clock - self.assertListEqual(gpio.pin_written[1], [0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0]) - # Verify MOSI - self.assertListEqual(gpio.pin_written[2], [1, 1, 1, 1, 1, 0, 0, 0]) - # Verify MISO - self.assertNotIn(3, gpio.pin_written) - # Verify SS - self.assertListEqual(gpio.pin_written[4], [1, 0, 1]) - # Verify result - self.assertEqual(result, bytearray([0x1F])) - - def test_transfer_multiple_bytes(self): - gpio = MockGPIO() - device = SPI.BitBang(gpio, 1, 2, 3, 4) - gpio.pin_read[3] = [0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, - 0, 0, 0, 1, 1, 1, 1, 1] - result = device.transfer([0xF8, 0x1F, 0xF8]) - # Verify clock - self.assertListEqual(gpio.pin_written[1], [0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, - 0, 1, 0, 1, 0, 1, 0, 1, 0]) - # Verify MOSI - self.assertListEqual(gpio.pin_written[2], [1, 1, 1, 1, 1, 0, 0, 0, - 0, 0, 0, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 0, 0, 0]) - # Verify MISO - self.assertNotIn(3, gpio.pin_written) - # Verify SS - self.assertListEqual(gpio.pin_written[4], [1, 0, 1]) - # Verify result - self.assertEqual(result, bytearray([0x1F, 0xF8, 0x1F])) - - #TODO: Test mode 1, 2, 3 - - #TODO: Test null MOSI, MISO, SS |