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[Paparazzi-devel] Multithread debugging with chibiOS and openocd

From: Prof. Dr.-Ing. Heinrich Warmers
Subject: [Paparazzi-devel] Multithread debugging with chibiOS and openocd
Date: Sat, 14 Feb 2015 13:46:04 +0100
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; de-DE; rv:1.4) Gecko/20030619 Netscape/7.1 (ax)

i am looking for a solution to debug chibios task in the current Paparazzi V3.1 Apogee software.
The following problems occur:
If the OS is not running i can set breakpoints and go with single step line for line. After the OS is running i can only notice breakpoints in the main function of chibios. All the other breakpoints are ignored and the hole paparazzi code is running.

My workbench consist of following tools:

Ubuntu 12.04 64bit
eclipse Kepler 32 bit      the 64 bit was not running
amr tools 4.8 q3 2014   V4.9 is not running
OpenOCD (0.8.0)        V0.9. is not runnung
CDT GNU ARM Eclipse plug in V2.3 has now examples for DiscoveryF4 and runs with SWD

I had same problems with flashing while the STM32Discovery and the Ollimex STM32 H405 were powered by the USB connection of my Laptop.
After using a USB-HUB with separate power  (5V 2A) the flashing works fine.

If any STM32M4 processor has problems  i found the following solution:
Use the orginal ST-LINK2 under Windows,
Set connect under RESET
Erase the total Chip
Erase  EPROM
If you can use debug the Chip with COOCOX, then the chip is working wiht Paparazzi (DFU and SWD flashing).
Go back to Ubuntu



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