discovery

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running `cargo build --features v2 --target thumbv7em-none-eabihf` result in this error: ``` error: failed to download `half v1.8.2` Caused by: unable to get packages from source Caused by: failed to...

ofirbenatar

[src/05-led-roulette]No loadable ELF sections were found

4

Kotodian

Linux install instructions include hacky, somewhat insecure, and often uneeded udev rule which makes mcu world-programmable

1

The Linux installation instructions include this sort of thing: > These rules let you use USB devices like the micro:bit without root privilege, i.e. sudo. > > Create this file...

tim-seoss

10.1 *nix tooling - dmesg example

1

I think this output is a little nicer: `dmesg -wH | grep -i tty` Thank you so much for putting this guide together! What an amazing resource, I'm having a...

fluxoz

minicom: can't compile Usart examples for Bluetooth.

2

For some reason I can't sometimes connect to the Bluetooth. And this is what I get: `minicom: cannot open /dev/rfcomm0: Device or resource busy` I have no idea why this...

gravit22

Is this book working at the right abstraction level?

13

I was wondering, considering that the embedded discovery book is targeted at people that have never done embedded things in their life before, is it reasonable to show the how...

hargoniX

Host machine: MacOS Big Sur 11.3 Target: Microbit v 1.5 Running `cargo embed --target thumbv6m-none-eabi` produces the following: ``` Compiling semver-parser v0.7.0 Compiling proc-macro2 v1.0.36 Compiling unicode-xid v0.2.2 Compiling nb...

callmephilip

Newer revisions use LSM303AGR instead of LSM303DLHC

16

Newer revisions of the discovery board use the `LSM303AGR` instead of the `LSM303DLHC`. The I2C address of the `LSM303AGR` chip is still the same but the registers to read are...

aditsachde

In https://docs.rust-embedded.org/discovery/f3discovery/09-clocks-and-timers/nop.html, it was suggested that doing a `aux9::nop()` would prevent the loop from being optimized away. When I tried it, I got the following assembly: ``` (gdb) disassemble /m...

guoshimin

itmdump no longer in development, move to using itm-decode

1

I've been working through the Discovery book on NixOS and saw that `itm` isn't available in nixpkgs. I've decided to try and package it up, but in doing so ran...

hazel-ocean