Writing to the Framebuffer • Hacker News Board

Re: Writing to the Framebuffer

#31

Post by tomcooks » Thu, Apr 05, 2018, 7:44 AM UTC

therein wrote: post #26

gandreani wrote: post #25

Earlier quoted context omitted.

That's very awesome! What tablet and project is that?

Thanks. It is the Remarkable Tablet but the API is entirely undocumented. Took a fair bit of analysis to get it to this state but now it is actually ready for people to build their own applications upon it. The GitHub project: https://www.github.com/canselcik/libremarkable

Wow!

Re: Writing to the Framebuffer

#32

Post by _pRwn_ » Thu, Apr 05, 2018, 8:33 AM UTC

Millenial discovers the framebuffer ... welcome to the planet.

Re: Writing to the Framebuffer

#33

Post by yoz-y » Thu, Apr 05, 2018, 8:35 AM UTC

Brings back memories. When I started coding graphical applications, writing directly to the graphic card's memory was the only way I understood. As I didn't know any better I had to recode stuff like line, circle and sprite drawing on my own. It was super slow but a very fun way to get into coding.

Maybe it's just me but I have the impression that drawing arbitrary things on screen has become harder since then.

Re: Writing to the Framebuffer

#34

Post by yoz-y » Thu, Apr 05, 2018, 8:59 AM UTC

_pRwn_ wrote: post #32

Millenial discovers the framebuffer ... welcome to the planet.

No need to be bitter about this, it's not like it is especially useful to know how the graphics stack work for most applications. For example this was not in my CS curriculum at all.

Re: Writing to the Framebuffer

#35

Post by hazeii » Thu, Apr 05, 2018, 9:34 AM UTC

Worth noting that the framebuffer works really well on the Raspberry Pi; you can switch between console and X, all while using the framebuffer. It's even happy switching between bit depths (using 'fbset') at the same time.

If you want a really fast framebuffer system, get something like an old Nvidia 7600GT and use 'nvidiafb'; while this won't work with X at the same time, it's blazingly fast and gives brilliant console text output (modern GPUs are super-slow by comparison).

Re: Writing to the Framebuffer

#36

Post by mar77i » Thu, Apr 05, 2018, 12:26 PM UTC

I have this C project based on CodingTrain videos that also ships an fbdev_runner: https://github.com/mar77i/cgbp

Re: Writing to the Framebuffer

#37

Post by codetrotter » Thu, Apr 05, 2018, 12:34 PM UTC

therein wrote: post #26

gandreani wrote: post #25

Earlier quoted context omitted.

That's very awesome! What tablet and project is that?

Thanks. It is the Remarkable Tablet but the API is entirely undocumented. Took a fair bit of analysis to get it to this state but now it is actually ready for people to build their own applications upon it. The GitHub project: https://www.github.com/canselcik/libremarkable

This is cool, you should post it as a “Shown HN”. And don’t get discouraged if it doesn’t immediately garner attention. Post it again later if you only get an insignificant amount of upvotes. Your project is front page worthy and if it doesn’t get there the first time then it’s just bad timing / bad luck (or poorly worded title, that’s a possibility as well of course).

Post it until it gets to the front page, waiting a couple of days or more between each time you post it.

Re: Writing to the Framebuffer

#38

Post by hultner » Thu, Apr 05, 2018, 12:51 PM UTC

therein wrote: post #26

gandreani wrote: post #25

Earlier quoted context omitted.

That's very awesome! What tablet and project is that?

Thanks. It is the Remarkable Tablet but the API is entirely undocumented. Took a fair bit of analysis to get it to this state but now it is actually ready for people to build their own applications upon it. The GitHub project: https://www.github.com/canselcik/libremarkable

This is super nice, would love to have a tablet like this in the future. Have been experimenting a little bit with my Kobo Glo HD which also got a browser but nowhere close to this.

Re: Writing to the Framebuffer

#39

Post by hultner » Thu, Apr 05, 2018, 12:52 PM UTC

codetrotter wrote: post #37

therein wrote: post #26

Earlier quoted context omitted.

Thanks. It is the Remarkable Tablet but the API is entirely undocumented. Took a fair bit of analysis to get it to this state but now it is actually ready for people to build their own applications upon it. The GitHub project: https://www.github.com/canselcik/libremarkable

This is cool, you should post it as a “Shown HN”. And don’t get discouraged if it doesn’t immediately garner attention. Post it again later if you only get an insignificant amount of upvotes. Your project is front page worthy and if it doesn’t get there the first time then it’s just bad timing / bad luck (or poorly worded title, that’s a possibility as well of course). Post it until it gets to the front page, waiting…

I agree, this is super cool and deserves attention.

Re: Writing to the Framebuffer

#40

Post by hultner » Thu, Apr 05, 2018, 12:52 PM UTC

gandreani wrote: post #27

therein wrote: post #26

Earlier quoted context omitted.

Thanks. It is the Remarkable Tablet but the API is entirely undocumented. Took a fair bit of analysis to get it to this state but now it is actually ready for people to build their own applications upon it. The GitHub project: https://www.github.com/canselcik/libremarkable

Thank you very much! I will check out both very soon. I'm interested in a lightweight portable ssh terminal eink device and this combination might just work for me

Oh yes I've been looking for the same thing. Would like something I could connect a keyboard to and attach a tmux session.

Would be a great work machine outside during summer time.