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by VecH
Thu Jul 09, 2015 6:41 pm
Forum: General discussion
Topic: HDMI to VGA converter, no video on first boot after power up
Replies: 7
Views: 1676

HDMI to VGA converter, no video on first boot after power up

PI-View+2.jpg HDMI to VGA converter (without audio) Monitor LG L1718S 17" config.txt hdmi_group=2 hdmi_mode=35 gpu_mem=16 device_tree=off At power on the monitor is blank, you do not see the picture with a rainbow I connect via SSH to RPi and reboot (reboot -r now), and I see a rainbow, and the ima...
by VecH
Wed Jun 24, 2015 12:58 pm
Forum: General discussion
Topic: rpi-update [version]
Replies: 2
Views: 455

rpi-update [version]

To return to the previous version of the kernel you need to specify code as: 6d25078b7cb361052ae280d552561d7250d33f5b
rpi-update 6d25078b7cb361052ae280d552561d7250d33f5b

Where to find this codes, what version of the kernel, and what changes have been made?
by VecH
Thu Jun 18, 2015 9:46 pm
Forum: General discussion
Topic: pigpio and ultrasonic sensor HC-SR04
Replies: 8
Views: 3470

Re: pigpio and ultrasonic sensor HC-SR04

How do I convert it to millimeters?
by VecH
Thu Jun 18, 2015 8:57 pm
Forum: General discussion
Topic: pigpio and ultrasonic sensor HC-SR04
Replies: 8
Views: 3470

Re: pigpio and ultrasonic sensor HC-SR04

in what unit of measurement results are displayed?
by VecH
Thu Jun 18, 2015 8:07 pm
Forum: General discussion
Topic: pigpio and ultrasonic sensor HC-SR04
Replies: 8
Views: 3470

Re: pigpio and ultrasonic sensor HC-SR04

Found ready code here
http://abyz.co.uk/rpi/pigpio/misc/sonar/
I will try tomorrow, now almost morning and sleepy
by VecH
Thu Jun 18, 2015 7:37 pm
Forum: General discussion
Topic: pigpio and ultrasonic sensor HC-SR04
Replies: 8
Views: 3470

pigpio and ultrasonic sensor HC-SR04

I use this code for read data from Ultrasonic sensor import time import RPi.GPIO as GPIO import datetime GPIO.setmode(GPIO.BCM) GPIO_TRIGGER = 11 GPIO_ECHO = 9 compensation = -11 print "Ultrasonic Measurement" GPIO.setup(GPIO_TRIGGER,GPIO.OUT) # Trigger GPIO.setup(GPIO_ECHO,GPIO.IN) # Echo GPIO.outp...
by VecH
Wed May 13, 2015 6:45 pm
Forum: Troubleshooting
Topic: pigpio not work
Replies: 8
Views: 1146

Re: pigpio not work

Thank you
I restored this file from backup
by VecH
Wed May 13, 2015 6:01 pm
Forum: Troubleshooting
Topic: pigpio not work
Replies: 8
Views: 1146

Re: pigpio not work

After upgrading or installing any packages lost file /etc/network/interfaces
by VecH
Wed May 13, 2015 5:24 pm
Forum: Troubleshooting
Topic: pigpio not work
Replies: 8
Views: 1146

Re: pigpio not work

ifconfig show only eth0
where lo ?!
by VecH
Wed May 13, 2015 4:47 pm
Forum: Troubleshooting
Topic: pigpio not work
Replies: 8
Views: 1146

Re: pigpio not work

Code: Select all

# netstat -anp|grep 8888
tcp        0      0 0.0.0.0:8888            0.0.0.0:*               LISTEN      3772/pigpiod

# ps ax|grep pigpiod
 3772 ?        SLsl  43:50 pigpiod
25792 pts/0    S+     0:00 grep --color=auto pigpiod

# pigs pigpv
^C

#
by VecH
Wed May 13, 2015 4:30 pm
Forum: Troubleshooting
Topic: pigpio not work
Replies: 8
Views: 1146

pigpio not work

I download pigpio for use with RFID Reader EM Marine 125KHz http://www.ironlogic.ru/il.NSF/htm/ru_cpz2l protocol Wiegand 26 # wget http://abyz.co.uk/rpi/pigpio/pigpio.zip # unzip pigpio.zip # cd PIGPIO # make # make install # pigpiod # netstat -anp|grep 8888 tcp 0 0 0.0.0.0:8888 0.0.0.0:* LISTEN 377...
by VecH
Thu Dec 18, 2014 3:50 pm
Forum: Compute Module
Topic: GPIO sleeping ?
Replies: 6
Views: 1463

Re: GPIO sleeping ?

Full test code for wiegant26 and Iron Logic CP-Z2L #!/usr/bin/env python import logging log_format = '%(asctime)s | %(levelname)s | %(message)s' logging.basicConfig(format=log_format, level=logging.DEBUG, datefmt='%d.%m.%Y %H:%M:%S') import time import RPi.GPIO as GPIO #import RPIO GPIO_D0 = 2 GPIO_...
by VecH
Thu Dec 18, 2014 12:28 pm
Forum: Compute Module
Topic: GPIO sleeping ?
Replies: 6
Views: 1463

Re: GPIO sleeping ?

Rephrase the question GPIO.add_event_detect(GPIO_D0, GPIO.FALLING, callback=def_bits) GPIO.add_event_detect(GPIO_D1, GPIO.FALLING, callback=def_bits) Why after different amounts of time stops working functions GPIO.add_event_detect(GPIO_BUTTON, GPIO.RISING, callback=def_button) this function in the ...
by VecH
Tue Dec 16, 2014 6:05 pm
Forum: Compute Module
Topic: GPIO sleeping ?
Replies: 6
Views: 1463

Re: GPIO sleeping ?

On the GPIO port can change the frequency ?
by VecH
Tue Dec 16, 2014 5:22 pm
Forum: Compute Module
Topic: GPIO sleeping ?
Replies: 6
Views: 1463

Re: GPIO sleeping ?

If change GPIO ports from 27,22 to 14,15 (UART) as this topic
http://www.raspberrypi.org/forums/viewt ... 32&t=12632
This will fix the problem or have to use ports SDA, SCL (GPIO 2 & GPIO 3) ?
by VecH
Tue Dec 09, 2014 5:43 pm
Forum: Compute Module
Topic: GPIO sleeping ?
Replies: 6
Views: 1463

GPIO sleeping ?

GPIO through a (different from 3 minutes to 15 hours), time ceases to read data from the GPIO ports Protocol is used Wiegant26 1 bit checksum of the first group of bits (parity) 12 bits - The first group 12 bits - The second group 1 bit checksum of the second group of bits (odd) Data arrives at GPIO...

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