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Re: [Paparazzi-devel] Stm32F4discovery flashing over st-link is not runn

From: Felix Ruess
Subject: Re: [Paparazzi-devel] Stm32F4discovery flashing over st-link is not running
Date: Sat, 2 Aug 2014 12:10:34 +0200


I'm still using gcc-arm-none-eabi-4_7-2013q3 (didn't have a reason to update...).
Quite a few people are using either the 4.8 that is in official ubuntu repo now or the gcc-arm-embedded 4.8 version and afaik there were no problems/bugs encountered so far...
Would be good to know which bugs the pixhawk guys mean, if they still not fixed and if they affect us...

Cheers, Felix

On Sat, Aug 2, 2014 at 11:35 AM, Marius Pfeffer <address@hidden> wrote:


I changed it some time ago from 4.7 to 4.8, didn't know about the bugs.

Changed it back to 4.7q2 in the wiki.


On Aug 2, 2014 11:16 AM, "Prof. Dr.-Ing. Heinrich Warmers" <address@hidden> wrote:
Hi Felix,
i forgot to do a new login.
It works fine now.
It would  nice i if you put again your fixed wing example the discovery  in the master branch again.
I saw that now the 4.8 Version of the c-compiler is used.
There is a waning to use the 4.8 Versions  in the pixhawk-project
Do not use newer ARM tool chain (eg. 4.8), as there are known bugs in GCC 4.8 affecting the ARM architecture, until properly tested PX4 uses 4.7 version below
Is this warming old?
I am currently testing a eclipse tool chain for ubuntu 12.04 whit the debugger for c-code .
It is a hard way to install  (Luna Version of eclipse,. 4.8.2 ARM toll chain, JEK 1.7, openocd version 9) but its runs perfect after 2 days of work.
The problem is that if versions are deinstalled  there are are really on the system  and prevent  to execute the new version.
This happened for eclipse openocd  etc.

Cheers, Heinrich

Felix Ruess schrieb:
Hi Heinrich,

when you get an error can you please also post the actual error? That makes it much easier...

Cheers, Felix

On Mon, Jul 28, 2014 at 8:42 PM, Prof. Dr.-Ing. Heinrich Warmers <address@hidden> wrote:
in the dokuwiki is a set-up for flashing over the st-link of the discoveryF4 pcb
I follow the description.
When i set the makefile to st-link a error occurs.
Perhaps the installing process of the st-link is not in order.
Its generates a error message it i use the upload button on the paparazzi  ground station
The  programming over the mini usb is running.


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