Hi All, I'm really struggling trying to get my pi to talk to an AdaFruit PCA9685 in c++. Shahin Administrator Registered: 2016-02-17 Posts: 3,047. Archived. (@__deets__ )Habe es gemäß Anleitung auf der Homepage installiert.Dann habe ich den…
Offline #3 2017-10 … Helpdesk. Newest. pi@mitra:~ $ 2017-10-03 22:03:21 initInitialise: Can't lock /var/run/pigpio.pid Can't initialise pigpio library. pigpio has a client-server architecture , which enables you to remotely control GPIO pins. Try remove /var/run/pigpio.pid file Some times wrong attributes could cause this kind of issue. Unanswered. Helpdesk. I can successfully initialise the pigpio library, but when I try to read with this code: Die meisten Funktionen von wiringpi / pigpio / bcm2835 hab ich getestet und muss sagen, pigpio kann am meisten. sudo pigpiod Your Python program must import pigpio and create one or more instances of the pigpio.pi class. I am favoring a solution that lets the library be run from the pi user without needing special permission bits and sudo, if one exists, in part because I want to avoid fiddling with parts of the C library. I can't use a simple time.sleep loop to collect the data because I need the data collected at the microsecond time when the GPIO pin is turned on from the wave pulse, and of course time.sleep won't provide reliable microsecond accuracy. More Bountied 0; Unanswered Frequent Votes Unanswered (my tags) Filter Filter by. This module uses the services of the C pigpio library. pigpio Can't lock /var/run/pigpio.pid You need to stop the pigpio daemon if you run a program directly linked with the pigpio C library. Re: pigpio.pid.
Raspberry PI C++ PCA9685 and PIGPIO. 21.
Bountied. Last edited by 1125lbs (2017-10-05 01:44:02) Offline #2 2017-10-05 08:04:06.
pigpio is a library for accessing GPIO pins as well as other functions including I2C. I want to bit bang read from a UART Rx pin with C++ (actually developing a nodejs native module for this). Python pigpio callback within class as thread.
pigpio ist wesentlich mächtiger als wiringpi, da mehr Funktionen vorhanden sind. No answers. I've tried a variety of online libraries, but none seem to work "out of the box" for me, they either have compile errors or dependency issues for me. pigpio must be running on the Pi(s) whose GPIO are to be manipulated. Close. Hallo, ich habe bisher mit WiringPi den PWM-Signal erzeugt, aber ich bin mit der Logik dahinter komme ich nicht klar. This isn't a C program originally, it is an executable from Kotlin Native that is linked to the PIGPIO library. Active. Deswegen will ich es mit Pigpio versuchen.