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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>
28 lines
889 B
Python
Executable File
28 lines
889 B
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 reading the info for a line."""
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import gpiod
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def get_line_info(chip_path: str, line_offset: int) -> None:
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with gpiod.Chip(chip_path) as chip:
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info = chip.get_line_info(line_offset)
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is_input = info.direction == gpiod.line.Direction.INPUT
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print(
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f"line {info.offset:>3}:"
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f" {info.name or 'unnamed':>12}"
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f" {info.consumer or 'unused':>12}"
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f" {'input' if is_input else 'output':>8}"
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f" {'active-low' if info.active_low else 'active-high':>10}"
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)
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if __name__ == "__main__":
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try:
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get_line_info("/dev/gpiochip0", 3)
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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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