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- # python-cc1101 - Python Library to Transmit RF Signals via CC1101 Transceivers
- #
- # Copyright (C) 2020 Fabian Peter Hammerle <fabian@hammerle.me>
- #
- # This program is free software: you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation, either version 3 of the License, or
- # any later version.
- #
- # This program is distributed in the hope that it will be useful,
- # but WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- # GNU General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program. If not, see <https://www.gnu.org/licenses/>.
- import unittest.mock
- import pytest
- # pylint: disable=protected-access
- @pytest.mark.parametrize(
- ("mdmcfg4", "exponent"),
- (
- (0b10001100, 12),
- (0b10001001, 9),
- (0b10001111, 15),
- (0b10000000, 0),
- (0b10111100, 12),
- (0b10111111, 15),
- (0b10110000, 0),
- ),
- )
- def test__get_symbol_rate_exponent(transceiver, mdmcfg4, exponent):
- transceiver._spi.xfer.return_value = [15, mdmcfg4]
- assert transceiver._get_symbol_rate_exponent() == exponent
- transceiver._spi.xfer.assert_called_once_with([0x10 | 0x80, 0])
- @pytest.mark.parametrize(
- ("mdmcfg4_before", "mdmcfg4_after", "exponent"),
- (
- (0b10001100, 0b10001100, 12),
- (0b10001100, 0b10001111, 15),
- (0b10001100, 0b10000000, 0),
- (0b10001100, 0b10001010, 0b1010),
- (0b01111100, 0b01111100, 12),
- (0b01111100, 0b01111111, 15),
- (0b01111100, 0b01110000, 0),
- (0b01110001, 0b01111100, 12),
- ),
- )
- def test__set_symbol_rate_exponent(
- transceiver, mdmcfg4_before, mdmcfg4_after, exponent
- ):
- transceiver._spi.xfer.return_value = [0x0F, 0x0F]
- with unittest.mock.patch.object(
- transceiver, "_read_single_byte", return_value=mdmcfg4_before
- ):
- transceiver._set_symbol_rate_exponent(exponent)
- transceiver._spi.xfer.assert_called_once_with([0x10 | 0x40, mdmcfg4_after])
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