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https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
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485b81cd4b
* Sort imports * Use f-strings where possible * Remove usage of `tuple` for config key values Signed-off-by: Vincent Fazio <vfazio@gmail.com> Link: https://patch.msgid.link/20260401001459.19159-7-vfazio@gmail.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
46 lines
1.3 KiB
Python
Executable File
46 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0-or-later
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# SPDX-FileCopyrightText: 2023 Kent Gibson <warthog618@gmail.com>
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"""Minimal example of toggling multiple lines."""
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import time
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import gpiod
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from gpiod.line import Direction, Value
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def toggle_value(value: Value) -> Value:
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if value == Value.INACTIVE:
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return Value.ACTIVE
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return Value.INACTIVE
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def toggle_multiple_line_values(
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chip_path: str, line_values: dict[int | str, Value]
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) -> None:
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value_str = {Value.ACTIVE: "Active", Value.INACTIVE: "Inactive"}
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request = gpiod.request_lines(
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chip_path,
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consumer="toggle-multiple-line-values",
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config={line_values.keys(): gpiod.LineSettings(direction=Direction.OUTPUT)},
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output_values=line_values,
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)
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while True:
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print(" ".join(f"{l}={value_str[v]}" for (l, v) in line_values.items())) # noqa: E741
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time.sleep(1)
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for l, v in line_values.items(): # noqa: E741
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line_values[l] = toggle_value(v)
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request.set_values(line_values)
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if __name__ == "__main__":
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try:
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toggle_multiple_line_values(
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"/dev/gpiochip0", {5: Value.ACTIVE, 3: Value.ACTIVE, 7: Value.INACTIVE}
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)
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except OSError as ex:
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print(ex, "\nCustomise the example configuration to suit your situation")
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