lochsh

6 ms·

1.
Intro to Quantum Computing(mcla.ug)
3 points by lochsh 2y ago|0 comments
2.
by lochsh 4y ago
Oxford Ionics | Senior Software Engineer | UK hybrid up to 4 days remote/1 day in office | Full time Oxford Ionics are a quantum computing start-up building trapped-ion quantum computers. We're using Python and Rust to build our t
3.
by lochsh 4y ago
Oxford Ionics | Senior Software Engineer | UK hybrid up to 4 days remote/1 day in office | Full time Oxford Ionics are a quantum computing start-up building trapped-ion quantum computers. We're using Python and Rust to build our t
4.
by lochsh 5y ago
Oxford Ionics | Embedded Software Engineers and Compiler Engineers | Full Time | ONSITE, HYBRID (Oxford, UK) | Quantum computing Oxford Ionics is a small quantum computing start-up in Oxford, UK. We're looking for smart, motivated soft
5.
Designing a RISC-V CPU, Part 2: Successfully executing (some) instructions(mcla.ug)
3 points by lochsh 6y ago|0 comments
6.
by lochsh 6y ago
I've had this recommended and it looks v promising! https://vivonomicon.com/2020/04/14/learning-fpga-design-with... Someone above has mentioned Robert Baruch too: https://github.com/Rober
7.
by lochsh 6y ago
I'm hoping to write part 2 this weekend or next week -- I realise anyone knowledgeable of logic design won't be super excited by this first installment. It's intended mostly for people who are new like me! I look forward to w
8.
by lochsh 6y ago
I'm hoping to talk about this in the next installment where I actually talk about the design. It's been really interesting getting a feel for how the processes are different. It's something I've been aware of before from
9.
Let's break CPython together, for fun and mischief(mcla.ug)
2 points by lochsh 6y ago|0 comments
10.
Designing a RISC-V CPU, Part 1: Learning hardware design as a software engineer(mcla.ug)
150 points by lochsh 6y ago|31 comments
11.
by lochsh 6y ago
Thanks for bringing up variance -- this is a concept I've since learned about and have added a small update to the blog post about. I understand your point about the `children_as_parents` example, I've added another update to poin
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Why can't I pass std:vector<Child*> as std:vector<Parent*>?(mcla.ug)
2 points by lochsh 6y ago|2 comments
13.
Emulating an STM32F4 in QEMU to test ARM assembly(mcla.ug)
2 points by lochsh 6y ago|0 comments
14.
by lochsh 6y ago
I think it's worth noting that there are multiple I2C peripherals by ST -- one for STM32F1, F4, and L1; and a different one used for STM32F0, F3, F7, L0, and L4.
15.
by lochsh 6y ago
I'm not sure I do have suggestions for such resources sadly :( If anyone has any please drop them here!
16.
by lochsh 6y ago
I love getting compliments on my site design, thanks very much.
17.
by lochsh 6y ago
Thank you for the compliment ^_^ I'm glad you found the post helpful. This isn't a typo, actually. If you look at the documentation of the BSRR register (which is screenshotted in the blog post), it says of BRy: > These bits ar
18.
by lochsh 6y ago
This is lovely to hear, I'm so glad it was helpful!
19.
by lochsh 6y ago
Yes, probably! But you can do it yourself without one. Here is an example in C using libopencm3, that uses timers to trigger an interrupt used to flash LEDs https://github.com/libopencm3/libopencm3-examples/tree&#x
20.
by lochsh 6y ago
You don't need an OS to do more advanced or efficient sleeping. You could have one of the timer peripherals generate an interrupt on a regular basis, and then put the chip in a lower power sleep mode in between interrupts.
21.
by lochsh 6y ago
Oh actually I was being sleepy and hadn't understood what you'd said! I hadn't realised you could do that actually, neat, thanks! So you could do `mov r1, #0x01000000` right? nice.
22.
by lochsh 6y ago
This is true! If I was writing something to be optimal speed- and size-wise, I'd do that. I think I just liked the consistency with the other parts of the code where using both was necessary :)
23.
by lochsh 6y ago
I don't have experience with this, but from talking to people who do, there are indeed open source implementations. They say the documentation is a bit confusing, but it does describe everything. This Rust library is an abstract USB li
24.
How to flash an LED: writing ARM assembly for an STM32 microcontroller(mcla.ug)
122 points by lochsh 6y ago|65 comments
25.
How to flash an LED: writing ARM assembly for an STM32 microcontroller(mcla.ug)
3 points by lochsh 6y ago|0 comments
26.
Breaking CPython for Fun and Mischief(mcla.ug)
4 points by lochsh 7y ago|0 comments
27.
Breaking CPython for Fun and Mischief(mcla.ug)
1 points by lochsh 7y ago|0 comments
28.
C++20 concepts are not like Rust traits(mcla.ug)
4 points by lochsh 7y ago|0 comments
29.
by lochsh 7y ago
I've made some updates to the blog post based on feedback -- thank you everyone who pointed out mistakes helpfully :) I've made the updates clear, and linked to the archived version of the original post.
30.
by lochsh 7y ago
you're right, I messed up here. I'm working on some updates to the blog post based on feedback.

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