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- # python-cc1101 - Python Library to Transmit RF Signals via C1101 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
- from cc1101.options import ModulationFormat, SyncMode
- # pylint: disable=protected-access
- @pytest.mark.parametrize(
- ("mdmcfg2", "mod_format"),
- (
- (0b00000010, ModulationFormat.FSK2),
- (0b10001110, ModulationFormat.FSK2),
- (0b10011110, ModulationFormat.GFSK),
- (0b10111110, ModulationFormat.ASK_OOK),
- (0b11001110, ModulationFormat.FSK4),
- (0b11001001, ModulationFormat.FSK4),
- (0b11111001, ModulationFormat.MSK),
- ),
- )
- def test_get_modulation_format(transceiver, mdmcfg2, mod_format):
- transceiver._spi.xfer.return_value = [15, mdmcfg2]
- assert transceiver.get_modulation_format() == mod_format
- transceiver._spi.xfer.assert_called_once_with([0x12 | 0x80, 0])
- @pytest.mark.parametrize(
- ("mdmcfg2_before", "mdmcfg2_after", "mod_format"),
- [
- (0b00000010, 0b00000010, ModulationFormat.FSK2),
- (0b11111111, 0b10001111, ModulationFormat.FSK2),
- (0b00000010, 0b00010010, ModulationFormat.GFSK),
- (0b00000010, 0b00110010, ModulationFormat.ASK_OOK),
- (0b00000010, 0b01000010, ModulationFormat.FSK4),
- (0b01110101, 0b01000101, ModulationFormat.FSK4),
- (0b11111111, 0b11001111, ModulationFormat.FSK4),
- (0b00000010, 0b01110010, ModulationFormat.MSK),
- (0b11111111, 0b11111111, ModulationFormat.MSK),
- ],
- )
- def test__set_modulation_format(transceiver, mdmcfg2_before, mdmcfg2_after, mod_format):
- transceiver._spi.xfer.return_value = [15, 15]
- with unittest.mock.patch.object(
- transceiver, "_read_single_byte", return_value=mdmcfg2_before
- ):
- transceiver._set_modulation_format(mod_format)
- transceiver._spi.xfer.assert_called_once_with([0x12 | 0x40, mdmcfg2_after])
- @pytest.mark.parametrize(
- ("mdmcfg2", "sync_mode"),
- [
- (0b00000000, SyncMode.NO_PREAMBLE_AND_SYNC_WORD),
- (0b00000001, SyncMode.TRANSMIT_16_MATCH_15_BITS),
- (0b00000010, SyncMode.TRANSMIT_16_MATCH_16_BITS),
- (0b00000011, SyncMode.TRANSMIT_32_MATCH_30_BITS),
- (0b00000110, SyncMode.TRANSMIT_16_MATCH_16_BITS),
- (0b00000111, SyncMode.TRANSMIT_32_MATCH_30_BITS),
- (0b00001100, SyncMode.NO_PREAMBLE_AND_SYNC_WORD),
- (0b01101011, SyncMode.TRANSMIT_32_MATCH_30_BITS),
- (0b01101111, SyncMode.TRANSMIT_32_MATCH_30_BITS),
- ],
- )
- def test_get_sync_mode(transceiver, mdmcfg2, sync_mode):
- transceiver._spi.xfer.return_value = [15, mdmcfg2]
- assert transceiver.get_sync_mode() == sync_mode
- transceiver._spi.xfer.assert_called_once_with([0x12 | 0x80, 0])
- @pytest.mark.parametrize(
- ("mdmcfg2_before", "mdmcfg2_after", "sync_mode", "threshold_enabled"),
- [
- (0b00000010, 0b00000000, SyncMode.NO_PREAMBLE_AND_SYNC_WORD, None),
- (0b00000010, 0b00000001, SyncMode.TRANSMIT_16_MATCH_15_BITS, None),
- (0b00000010, 0b00000010, SyncMode.TRANSMIT_16_MATCH_16_BITS, None),
- (0b00000010, 0b00000011, SyncMode.TRANSMIT_32_MATCH_30_BITS, None),
- (0b01101110, 0b01101111, SyncMode.TRANSMIT_32_MATCH_30_BITS, None),
- (0b00000010, 0b00000110, SyncMode.TRANSMIT_16_MATCH_16_BITS, True),
- (0b00000010, 0b00000111, SyncMode.TRANSMIT_32_MATCH_30_BITS, True),
- (0b01101110, 0b01101111, SyncMode.TRANSMIT_32_MATCH_30_BITS, True),
- (0b00000010, 0b00000010, SyncMode.TRANSMIT_16_MATCH_16_BITS, False),
- (0b00000010, 0b00000011, SyncMode.TRANSMIT_32_MATCH_30_BITS, False),
- (0b01101110, 0b01101011, SyncMode.TRANSMIT_32_MATCH_30_BITS, False),
- ],
- )
- def test_set_sync_mode(
- transceiver, mdmcfg2_before, mdmcfg2_after, sync_mode, threshold_enabled
- ):
- transceiver._spi.xfer.return_value = [15, 15]
- with unittest.mock.patch.object(
- transceiver, "_read_single_byte", return_value=mdmcfg2_before
- ):
- transceiver.set_sync_mode(
- sync_mode, _carrier_sense_threshold_enabled=threshold_enabled
- )
- transceiver._spi.xfer.assert_called_once_with([0x12 | 0x40, mdmcfg2_after])
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