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by spl23
Thu Aug 22, 2019 6:51 am
Forum: Scratch
Topic: scratch3 performance comparison
Replies: 1
Views: 362

Re: scratch3 performance comparison

Hardly surprising. Scratch 1 is far more efficiently implemented than Scratch 2 or 3; it's not native code, but is running as Smalltalk code on an efficient interpreter which is optimised for the platform. Both Scratch 2 and Scratch 3 are effectively just packaged versions of the website code for ea...
by spl23
Sun Aug 18, 2019 5:39 pm
Forum: Scratch
Topic: Scratch 3 Desktop Version for Raspberry Pi
Replies: 31
Views: 12740

Re: Scratch 3 Desktop Version for Raspberry Pi

It's so simple I am somewhat surprised it's taken so long to arrive on the Pi or Linux! Ahem - you might find that the standard version of Scratch 3 doesn't have any Pi-specific extensions to control things like GPIOs or the SenseHAT. Those things don't appear out of nowhere overnight, you know - s...
by spl23
Thu Aug 15, 2019 8:27 am
Forum: Raspbian
Topic: Why did update suggest removing Thonny
Replies: 13
Views: 2422

Re: Why did update suggest removing Thonny

The new version of Thonny (3.2) which has just been released has been moved to a new package. Previously, thonny was in the package "python3-thonny", and it is now in a package called "thonny", which is in line with how it is packaged in vanilla Debian. In order to enable people who have the old ver...
by spl23
Wed Aug 14, 2019 7:32 pm
Forum: Scratch
Topic: Scratch 2 offline
Replies: 5
Views: 1333

Re: Scratch 2 offline

I believe it requires an ARM7 processor or better; it will fail with a segmentation fault if you run it on ARM6-based boards. And that's what you have if it's a Pi B+. Scratch 2 requires the Adobe Pepperflash Flash player - there is no version of this available for ARMv6 platforms (and nor will the...
by spl23
Wed Aug 07, 2019 5:13 pm
Forum: Scratch
Topic: Scratch 2 GPIO pull-up & pull-down resistors
Replies: 10
Views: 1836

Re: Scratch 2 GPIO pull-up & pull-down resistors

I got it working and without too much effort, worked just by changing the JavaScript. I'm surprised about that - Electron usually requires you to explicitly set permissions to use things like spawn (basically anything which wouldn't be allowed in Chromium), so it's a little strange that it didn't n...
by spl23
Wed Aug 07, 2019 5:03 pm
Forum: Scratch
Topic: Scratch 2 GPIO pull-up & pull-down resistors
Replies: 10
Views: 1836

Re: Scratch 2 GPIO pull-up & pull-down resistors

Any idea if this functionality will be available in Scratch 3, or any chance you can elaborate on "not-too-distant future"? Yes, this functionality will definitely be available in Scratch 3 offline. As for "not-too-distant future", I couldn't possibly say. But, on a completely unrelated point, had ...
by spl23
Tue Aug 06, 2019 5:12 pm
Forum: Scratch
Topic: Scratch 2 GPIO pull-up & pull-down resistors
Replies: 10
Views: 1836

Re: Scratch 2 GPIO pull-up & pull-down resistors

[Adding the block was easy enough but it seems the extension uses sysfs for the GPIO interaction which I am not familiar with. Not sure if that's even possible. I am guessing that's what spl23 meant by the interface not supporting it. Yes, that's the bit that isn't possible. The sysfs interface has...
by spl23
Tue Aug 06, 2019 10:13 am
Forum: Scratch
Topic: Scratch 2 GPIO pull-up & pull-down resistors
Replies: 10
Views: 1836

Re: Scratch 2 GPIO pull-up & pull-down resistors

Unfortunately I still haven't had any luck figuring out whether you can toggle this manually in Scratch 2. No, you can't - the interface via which the GPIO pins are accessed in Scratch 2 does not allow pull-ups or pull-downs to be configured, so you'll need to use their default states, or use some ...
by spl23
Thu Aug 01, 2019 11:54 am
Forum: Raspbian
Topic: Compress option in PCmanFM not working with xarchiver
Replies: 5
Views: 316

Re: Compress option in PCmanFM not working with xarchiver

No need to change source code - just go into /usr/share/libfm/archivers.list and make the change suggested above. I'll build a fixed package and push it to the repo at some point, but for now editing that file will work.
by spl23
Fri Jun 28, 2019 7:16 am
Forum: Raspbian
Topic: Buster & Pi4: Same Image on Different RAM Size OK?
Replies: 3
Views: 370

Re: Buster & Pi4: Same Image on Different RAM Size OK?

MIT70 wrote:
Thu Jun 27, 2019 9:18 pm
Since the 4GB board in made of Unobtainium here locally, if I get a 2GB Pi and do all the configuration and installation can I just transfer the SD card and USB-C disk to a 4GB board when I can get one?
Yes, absolutely. There's nothing RAM-specific in the setup.
by spl23
Thu Jun 27, 2019 5:48 pm
Forum: Raspbian
Topic: Simon Long appreciation
Replies: 4
Views: 774

Re: Simon Long appreciation

So, Simon, if you ever get tired of the drone, come here and bask in the appreciation of your usually quiet fans: Thank you so much for this! I do know that much of what I do ends up being controversial - it doesn't matter what you change, you're always going to upset someone - but the overall aim ...
by spl23
Thu Jun 27, 2019 2:07 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20

On the Pi 3B+, can the FKMS driver and xcompmgr compositing window manager be enabled? If yes, will there be any benefit? Yes, they can. There will be no particular benefit unless you want to run OpenGL applications on the desktop - it will then use hardware acceleration to run them. Enabling FKMS ...
by spl23
Thu Jun 27, 2019 9:16 am
Forum: Raspbian
Topic: Pixel Doubling
Replies: 5
Views: 1003

Re: Pixel Doubling

You can use the Screen Configuration tool to achieve a similar effect to pixel doubling - just set the resolution of your monitor to something lower.

We would like to get it back in as an option, but don't as yet know if it will be possible to do so.
by spl23
Wed Jun 26, 2019 5:08 pm
Forum: Raspbian
Topic: Issues changing keyboard in raspi-config
Replies: 14
Views: 1297

Re: Issues changing keyboard in raspi-config

Unfortunately, this seems to be an error in upstream Debian - the keyboard selection database is corrupt. It will presumably be fixed at some point, but it's not something we've done to it! I'd suggest using the GUI Mouse and Keyboard Settings tool - which uses a separate database which is fine - bu...
by spl23
Wed Jun 26, 2019 1:12 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20

Is there some configuration that can stop desktop items appearing on both monitors ? Not to my knowledge. It's probably theoretically possible to tell PCmanFM to only show the contents of the Desktop folder on one monitor, but it would be a code change, not a config change. I'll put it on the list ...
by spl23
Tue Jun 25, 2019 6:38 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20

Unfortunately, the older pi's will not start with the new OS. When the OS starts it starts to loop ( I tried two pi's both 3B) I've spent almost as much time testing the image on a 3B as I have on a 4 - it definitely works on earlier Pis! As James suggested, it's probably a bad download or bad flas...
by spl23
Tue Jun 25, 2019 6:34 am
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20 BUG

TBH, you might be the only person I know who uses multiple desktops. I always find them very clunky. I'm amazed. I can't do without them. Here's my current desktop ... Three monitors and Four desktops. desktop.png Not providing a useful feature simply because of some UI design dogma seems counter t...
by spl23
Tue Jun 25, 2019 6:23 am
Forum: Raspbian
Topic: Raspbian revision list
Replies: 1
Views: 134

Re: Raspbian revision list

Click on the "release note" link on the downloads page.
by spl23
Mon Jun 24, 2019 6:18 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20

I found this which is useful: https://linuxconfig.org/how-to-upgrade-debian-9-stretch-to-debian-10-buster Time for me to backup my Pi3 B+ that runs pihole and pivpn. See you on the other side. Hopefully my python 2.7 apps should be the only issue. There will be a set of instructions in the blog pos...
by spl23
Mon Jun 24, 2019 6:16 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20 BUG

I expect I said so at the time, but this is very short sighted ! And even more so now that the PI4 is capable of running more things at once and is being positioned as a PC replacement, then the lack of multiple desktops looks an even poorer decision. In your opinion; one with which, based on 25-od...
by spl23
Mon Jun 24, 2019 5:47 pm
Forum: Raspbian
Topic: Problem with VNC on Pi Zero using Buster
Replies: 3
Views: 731

Re: Problem with VNC on Pi Zero using Buster

You need to make sure you set a display resolution in the "Set Resolution" option in Raspberry Pi Configuration. VNC determines the size of the desktop it creates from an attached monitor. If no monitor is attached, it does not know how big to make the desktop unless you tell it - this button allows...
by spl23
Mon Jun 24, 2019 5:31 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20 BUG

In the mean time, the desktop pager's "Desktop Pager Settings" menu doesn't seem to do anything either though I expect the two items are related ? (Does the menu start obconf ?) We don't support multiple desktop switching (it was removed in wheezy) so the tools to support it are not guaranteed to w...
by spl23
Mon Jun 24, 2019 5:24 pm
Forum: Raspbian
Topic: Upgrade from stretch to buster possible?
Replies: 7
Views: 9408

Re: Upgrade from stretch to buster possible?

There will be some advice on migrating from stretch to buster in tomorrow's blog post.

We don't support it - we recommend starting with a clean image - but there are some instructions you can try at your own risk.
by spl23
Mon Jun 24, 2019 2:32 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20

Installed Buster fresh this morning and several updates already: sudo apt update sudo apt full-upgrade Yes, we froze the image for release last week, but have continued to push patches and fixes to apt in the meantime. If you boot a fresh image, the first boot wizard should pull all the patches in ...
by spl23
Mon Jun 24, 2019 2:24 pm
Forum: Raspbian
Topic: STICKY: Raspbian 'Buster' 2019-06-20 / 07-10
Replies: 127
Views: 23659

Re: Raspbian 'Buster' 2019-06-20

Pi3B+ (with SenseHAT attached). BUG WiFi connected and working. When I click on the WiFi icon, it causes it to 'disassociate' and show the lines with red crosses. It actually does disassociate as the web page stop with an interruption. It then re-establishes itself. I don't think that should happen...

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