Search found 5 matches

by jbrandmeyer
Tue Dec 30, 2014 10:45 pm
Forum: General Support
Topic: USB Audio Device - Stm32f4Discovery
Replies: 14
Views: 16946

Re: USB Audio Device - Stm32f4Discovery

Any change re: isochronous endpoint support, or USB Audio Device class support? I'll note that the STM32F4Discovery and other boards have both digital PDM microphones and headphone jacks for testing purposes. I can contribute Apache-licensed PDM->PCM decimation code for the digital microphone if it ...
by jbrandmeyer
Tue Oct 14, 2014 4:54 pm
Forum: User Projects
Topic: STM32 CubeMX to ChibiOS board file generator
Replies: 28
Views: 44325

Re: STM32 CubeMX to ChibiOS board file generator



Is this project dead, or merely moved? This link is dead, but I'm interested to see just how this project worked.
by jbrandmeyer
Thu Oct 09, 2014 5:31 pm
Forum: General Support
Topic: RFC: Memory Protection Features
Replies: 6
Views: 6242

Re: RFC: Memory Protection Features

The stack protection runtime support is fairly straightforward. GCC expects libraries libssp.a and libssp_nonshared.a (depending on the exact link command) to be available at link time. The library must contain at least the following two symbols:

__stack_chk_guard: An integer of the native machine ...
by jbrandmeyer
Thu Oct 09, 2014 4:05 pm
Forum: General Support
Topic: RFC: Memory Protection Features
Replies: 6
Views: 6242

RFC: Memory Protection Features

This is a request for comments and to see how much interest there is out there on these topics. I have written some modules that improve the penetration-resistance of my ChibiOS-enabled project, and I want to see how much interest there is in generalizing them for other users. My host processor is ...
by jbrandmeyer
Thu Oct 09, 2014 3:44 pm
Forum: General Support
Topic: Patch: Backspace characters in the shell
Replies: 1
Views: 2267

Patch: Backspace characters in the shell

By default, the PuTTY communication client (my go-to client for serial communications) sends 127 (^?) for the backspace character. Because the shell currently just echoes the character back, it visually appears as though the preceeding character was deleted. However the shell's buffer just fills up ...