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by Dzewa8701
Mon Aug 03, 2020 1:52 am
Forum: Other projects
Topic: rtl-sdr not working - Any ideas?
Replies: 3
Views: 120

rtl-sdr not working - Any ideas?

SDR guys and Rpi Wizards I need your help!!!!! I I have been having some very frustrating issues involving this same ordeal. I am a newbie with SDR's and have been working with Pi's for a few years, but recently decided to purchase an SDR and create an rtl-sdr tcp server on my RPi 3. it has a fresh ...
by Akeo
Mon Aug 03, 2020 12:58 am
Forum: General discussion
Topic: best OS setup
Replies: 49
Views: 1906

Re: best OS setup

... this actually makes sense: Why would Microsoft prevent the sale of a Windows license on account that it runs on ARM64? But then again, as long as Test Mode is enough for the occasional validation of my apps, and since $99 is not a cost I can justify if I can avoid it, I am not currently planning ...
by medmison690
Sun Aug 02, 2020 11:12 pm
Forum: General discussion
Topic: Pi4 won't boot with GPIO connections (lcd display) after wire mix up
Replies: 8
Views: 269

Pi4 won't boot with GPIO connections (lcd display) after wire mix up

... display connected via GPIO however will light up and stay lit. When I unplug all connections from the GPIO board, the pi powers up fine. I have tested the GPIO using gpiotest and there are not problems flagged but I also noticed that this particular script does not test gpio pins 1 and 39 (the ...
by Heater
Sun Aug 02, 2020 8:48 pm
Forum: General discussion
Topic: Notepad++
Replies: 51
Views: 2873

Re: Notepad++

... be deadly. Interesting. I spent a few years riding a Yamaha motorcycle on a "learners licence". When it came to the day of my motorcycle license test it turned out I could not use my Yamaha, because the road tax had not been paid (Eh, hmm), so I borrowed an old British BSA 250. This was interesting ...
by Smsry
Sun Aug 02, 2020 8:17 pm
Forum: Other projects
Topic: 4.3" RCA Display 5v hack help..
Replies: 0
Views: 68

4.3" RCA Display 5v hack help..

I'm building a portable Raspberry Pi (3B+) handheld and I'm using a 4.3" Car Monitor as a screen. The box says it runs on 12V(+/-10%). I've tested it for a bit and It even runs on as low as 6volts.. I've read multiple threads on forums about 5V hacks for these kinds of displays but have never ...
by W. H. Heydt
Sun Aug 02, 2020 7:46 pm
Forum: General discussion
Topic: best OS setup
Replies: 49
Views: 1906

Re: best OS setup

... Pi because I am a first and foremost a Windows application developer, and with Windows on ARM64 gaining popularity, I must have the ability to test applications on that platform. That's actually the main reason I became involved in the Raspberry Pi UEFI firmware project, so that I and other ...
by chillie
Sun Aug 02, 2020 7:37 pm
Forum: Camera board
Topic: How can we get high framerate raws on 4b board?
Replies: 11
Views: 509

Re: How can we get high framerate raws on 4b board?

... I recently read that upgrade to 5.4 kernel was done with normal update. I need to free up space on that Pi, in order to update and upgrade. Will test raspiraw on that Pi4B then, v1 camera is already connected. I think I know the problem already, with 5.4 kernel i2c device numbering changed to ...
by bweasels
Sun Aug 02, 2020 7:36 pm
Forum: Camera board
Topic: Raspistill -ex off with HQ Camera captures a black screen
Replies: 2
Views: 206

Re: Raspistill -ex off with HQ Camera captures a black screen

... properly, and according to the logs it honors my analog/digital gain and shutter speed, but when it captures (line "Opening Output File Image Test.jpg" and lower) with -ex off it just captures a black screen. Further Troubleshooting to Highlight the Problem I took the camera off the mount ...
by Akeo
Sun Aug 02, 2020 7:32 pm
Forum: General discussion
Topic: best OS setup
Replies: 49
Views: 1906

Re: best OS setup

... Pi because I am a first and foremost a Windows application developer, and with Windows on ARM64 gaining popularity, I must have the ability to test applications on that platform. That's actually the main reason I became involved in the Raspberry Pi UEFI firmware project, so that I and other ...
by HermannSW
Sun Aug 02, 2020 7:23 pm
Forum: Camera board
Topic: How can we get high framerate raws on 4b board?
Replies: 11
Views: 509

Re: How can we get high framerate raws on 4b board?

... I recently read that upgrade to 5.4 kernel was done with normal update. I need to free up space on that Pi, in order to update and upgrade. Will test raspiraw on that Pi4B then, v1 camera is already connected. I think I know the problem already, with 5.4 kernel i2c device numbering changed to ...
by welford
Sun Aug 02, 2020 6:47 pm
Forum: Bare metal, Assembly language
Topic: linker removing code
Replies: 1
Views: 319

Re: linker removing code

... but it is ok in the linker script name. just to be safe i am going to use something like this though hello : { *(boot) } > boot Updated I didn't test the above properly. renaming to "boot" still removes the section. but using another different predefined user section e.g. .init works. .init: ...
by cpottle9
Sun Aug 02, 2020 5:44 pm
Forum: Troubleshooting
Topic: Poor performance Pi Zero W wifi extender
Replies: 4
Views: 78

Poor performance Pi Zero W wifi extender

Hi, Excuse the long post. I will describe my testing and then questions at the bottom. I used the procedure to setup a raspberry PI wifi access point at https://medium.com/swlh/make-your-raspberry-pi-file-system-read-only-raspbian-buster-c558694de79 ...
by chillie
Sun Aug 02, 2020 4:45 pm
Forum: Camera board
Topic: How can we get high framerate raws on 4b board?
Replies: 11
Views: 509

Re: How can we get high framerate raws on 4b board?

Thanks for your info. I test on v1 and v2 with 6by9's raspiraw. They both worked fine (of course v2 needs changing the reg addr to fit ---height) on my zero w board but failed on my 4b board. I just tried your code drop and here's the ...
by Konsta
Sun Aug 02, 2020 2:34 pm
Forum: Android
Topic: [DEV] LineageOS 17.1 (Android 10) for Raspberry Pi 4 B
Replies: 28
Views: 1499

Re: [DEV] LineageOS 17.1 (Android 10) for Raspberry Pi 4 B

... boot working. Any HDMI display should basically work if it reports resolutions it support via EDID. I don't have any Waveshare displays I could test with. Hello from Germany. Is there any other way to install the gapps? The bootloader doesn't work for me. Whenever I want to go into the boot ...
by ejolson
Sun Aug 02, 2020 2:25 pm
Forum: General discussion
Topic: RPi4 BCM2711 and ARMv8 Crypto Extensions?
Replies: 61
Views: 6885

Re: RPi4 BCM2711 and ARMv8 Crypto Extensions?

... It's possible Latin would have been easier and it's also used for many songs. Back on topic, my main concern is that the AES support in the beta-test 64-bit kernel is noticeably slower than AES in the 32-bit kernel. As in the thread linked to previously, the reason is confusing. Can the 64-bit ...
by mwrich4
Sun Aug 02, 2020 1:57 pm
Forum: Off topic discussion
Topic: Suggestion: Locked down, moderated HOWTO sub group
Replies: 6
Views: 544

Re: Suggestion: Locked down, moderated HOWTO sub group

... valid for MANY years. The dialect issues were strongest in the days of BSD vs ATT vs SCO, then Linux came into play. I would be happy to help test drive any of the common HowTo guides to make sure they work as expected. Just like there are some commonly linked guides posted in the forums, ...
by hippy
Sun Aug 02, 2020 1:56 pm
Forum: General discussion
Topic: Ice tower pi4
Replies: 8
Views: 596

Re: Ice tower pi4

... not faulty and the application of thermal compound is adequate. And why worry beyond it seems to be working pretty well ? Maybe run a stress test and see what you get ?
by the-gimp-master
Sun Aug 02, 2020 1:36 pm
Forum: Graphics, sound and multimedia
Topic: Audio mp3 and a image.
Replies: 8
Views: 416

Re: Audio mp3 and a image.

rpdom wrote:
Sun Aug 02, 2020 11:08 am
fbi is one such viewer.
I get the error below

Code: Select all

pi@raspberrypi:~/test/resources/startup $ sudo fbi MY_logo.png
using "Droid Sans Mono-16", pixelsize=21.33 file=/usr/share/fonts/truetype/droid/DroidSansMono.ttf
ioctl VT_GETSTATE: Inappropriate ioctl for device (not a linux console?)
by markatlnk
Sun Aug 02, 2020 1:33 pm
Forum: General discussion
Topic: Ice tower pi4
Replies: 8
Views: 596

Re: Ice tower pi4

... really toasty on the weekends, it is 28.3C. I have been running a multithreaded DNA sequence matching program that I wrote for a client as a load test. It took about 12 hours on 500+ cores of a real super computer, figure it will take 4+ years on this thing. I can adjust the size a bit and it ...
by Spile
Sun Aug 02, 2020 1:22 pm
Forum: Networking and servers
Topic: Using the Raspberry Pi instead of a Dynamic DNS service
Replies: 1
Views: 96

Using the Raspberry Pi instead of a Dynamic DNS service

... > Add Record Create a subdomain (eg lan.mysite.com) and enter a fake IP address: subdomain.domain. 14400 IN A [IP ADDRESS - Enter wrong one for testing] I also reduced the A record TTL from the default (14400) to 3168. Once the script is running refresh this page to see if it is being updated ...
by moscardo
Sun Aug 02, 2020 12:58 pm
Forum: Troubleshooting
Topic: Rpi4 audio glitching problem
Replies: 4
Views: 222

Re: Rpi4 audio glitching problem

Does the noise occur if you run speaker-test? Run speaker-test -c 2 -t sine Thank you @jdb for you quick reply. I didn't know this command. I'll try it and I let you know! Do you think the issue could be related to something wrong on the RPi ...
by rpdom
Sun Aug 02, 2020 12:54 pm
Forum: Advanced users
Topic: Is hot plugging a microSD electrically safe?
Replies: 13
Views: 679

Re: Is hot plugging a microSD electrically safe?

... AFAIK, other than while booting (and user editing of cmdline.txt/config.txt), that is the only time the files in /boot are accessed. You can test that by unmounting /boot after you start up your Pi and see what, if anything, fails.
by jdb
Sun Aug 02, 2020 11:46 am
Forum: Troubleshooting
Topic: Rpi4 audio glitching problem
Replies: 4
Views: 222

Re: Rpi4 audio glitching problem

Does the noise occur if you run speaker-test? Run speaker-test -c 2 -t sine
by somenerdwhohasapi
Sun Aug 02, 2020 10:13 am
Forum: Bare metal, Assembly language
Topic: Make gpio pin blink in c code bare metal.
Replies: 15
Views: 632

Re: Make gpio pin blink in c code bare metal.

... The ribbon cable was just very slightly disattached and i wiggled it a bit and now the led is blinking with the python code! I am now going to test to see if it works with the c code.
by ramon2000
Sun Aug 02, 2020 9:44 am
Forum: General discussion
Topic: Ice tower pi4
Replies: 8
Views: 596

Re: Ice tower pi4

... (and ) I get around 46-48C with a passive flirc case and with an armour case (I have 2 rpi4), If you are worried, I would do some kind of "stress test" and see if the "maximum temperature" is in the range of those tests. Other temperature tests: https://www.martinrowan.co.uk/2019/09/raspberry-pi-4-cases-temperature-and-cpu-throttling-under-load/ ...

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