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Project description
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
if len(sys.argv) > 2:
LED_CHIP = sys.argv[1]
LED_LINE_OFFSET = int(sys.argv[2])
else:
print('''Usage:
python3 blink.py <chip> <line offset>''')
sys.exit()
chip = gpiod.chip(LED_CHIP)
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)
while True:
led.set_value(0)
time.sleep(0.1)
led.set_value(1)
time.sleep(0.1)
#include <chrono>
#include <cstdlib>
#include <exception>
#include <gpiod.hpp>
#include <iostream>
#include <string>
#include <thread>
int main(int argc, char **argv) {
std::string LED_CHIP;
int LED_LINE_OFFSET;
if(argc > 2) {
LED_CHIP = argv[1];
LED_LINE_OFFSET = std::stoi(argv[2]);
} else {
std::cout << "Usage:" << std::endl
<< " ./blink <chip> <line offset>" << std::endl;
std::exit(0);
}
gpiod::chip chip(LED_CHIP);
gpiod::line led = chip.get_line(LED_LINE_OFFSET);
gpiod::line_request config;
config.consumer = "Blink";
config.request_type = gpiod::line_request::DIRECTION_OUTPUT;
led.request(config);
while(1) {
led.set_value(0);
std::this_thread::sleep_for(std::chrono::milliseconds(100));
led.set_value(1);
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
}
g++ -o blink test.cpp -lgpiodcxx
Changelog
Ref: CHANGELOG
python3-gpiod (0.5.1) unstable; urgency=medium
- Move xxx class into xxx_wrapper.h
- Add blink test module
-- Hyeonki Hong hhk7734@gmail.com Fri, 20 Mar 2020 00:58:05 +0900
python3-gpiod (0.5.0) unstable; urgency=medium
- Add pybind11/chrono.h for std::chrono
- Prevent installation if libgpiodcxx v1.0 or lower
- Add xxx_lines into chip class
- Add operators
- Add MAX_LINES attribute
- Fix issue where 'setup.py sdist' is not executed
-- Hyeonki Hong hhk7734@gmail.com Sat, 14 Mar 2020 02:37:13 +0900
python3-gpiod (0.4.1) unstable; urgency=medium
- Fix issue where pip does not install dependencies
-- Hyeonki Hong hhk7734@gmail.com 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 hhk7734@gmail.com 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 hhk7734@gmail.com 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 hhk7734@gmail.com Wed, 11 Mar 2020 13:28:45 +0900
python3-gpiod (0.1.0) unstable; urgency=medium
- Add initial setup files
-- Hyeonki Hong hhk7734@gmail.com Tue, 10 Mar 2020 15:40:13 +0900
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