gpiod 0.4.1

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python3-gpiod

Installation

sudo apt update \
&& sudo apt install -y python3 python3-dev python3-pip \
    gpiod libgpiod-dev pkg-config

python3 -m pip install -U --user pip gpiod

Blink example

import gpiod
import sys
import time

try:
    if len(sys.argv) > 2:
        LED_CHIP = sys.argv[1]
        LED_LINE_OFFSET = int(sys.argv[2])
    else:
        raise
except:
    print('''Usage:
    python3 blink.py <chip> <line offset>''')
    sys.exit()

chip = gpiod.chip(LED_CHIP)

print(f"chip name: {chip.name()}")
print(f"chip label: {chip.label()}")
print(f"number of lines: {chip.num_lines()}")

led = chip.get_line(LED_LINE_OFFSET)

config = gpiod.line_request()
config.consumer = "Blink"
config.request_type = gpiod.line_request.DIRECTION_OUTPUT

led.request(config)

print(f"line offset: {led.offset()}")
print(f"line name: {led.name()}")
print(f"line consumer: {led.consumer()}")
print("line direction: " + ("input" if (led.direction()
                                        == gpiod.line.DIRECTION_INPUT) else "output"))
print("line active state: " + ("active low" if (led.active_state()
                                                == gpiod.line.ACTIVE_LOW) else "active high"))

while True:
    led.set_value(0)
    time.sleep(0.3)
    led.set_value(1)
    time.sleep(0.3)

Changelog

Ref: CHANGELOG

python3-gpiod (0.4.1) unstable; urgency=medium

• Fix issue where pip does not install dependencies

-- Hyeonki Hong [e-mail] Thu, 12 Mar 2020 19:11:24 +0900

python3-gpiod (0.4.0) unstable; urgency=medium

• Add libgpiodcxx version check
• Remove -std=c++11 option
• Add line_bulk, chip_iter, line_iter classes

-- Hyeonki Hong [e-mail] Thu, 12 Mar 2020 14:18:16 +0900

python3-gpiod (0.3.0) unstable; urgency=medium

• Add open, reset function
• Add LICENSE
• Create README.md

-- Hyeonki Hong [e-mail] Wed, 11 Mar 2020 18:58:14 +0900

python3-gpiod (0.2.0) unstable; urgency=medium

• Add chip, line_request, line, line_event class

-- Hyeonki Hong [e-mail] Wed, 11 Mar 2020 13:28:45 +0900

python3-gpiod (0.1.0) unstable; urgency=medium

• Add initial setup files

-- Hyeonki Hong [e-mail] Tue, 10 Mar 2020 15:40:13 +0900