[ell-i-developers] Re: Could someone please test this on a real STM32F334?
- From: Lari Lehtomäki <lari@xxxxxxxxxxxx>
- To: ell-i-developers@xxxxxxxxxxxxx
- Date: Sun, 14 Sep 2014 00:12:48 +0300
Hello
GDB for ARM is package gdb-arm-none-eabi on ubuntu. On newest 14.04 it
is included on standard repository. On older it is part of the Terry
Guo's ARM Embedded toolchain.
Lari Lehtomäki
lari@xxxxxxxxxxxx
050 320 7920
On 13.9.2014 23:56, Eero Hakala wrote:
> Jep, now Ivans code runs smoothly on nucleo board, I would never have
> guessed to use the bin-file...!
> My command line:
> sudo ./st-flash --reset write
> ../../Ell-i/ng-elli/ivan/Runtime/stm32/build/hardware/stm32f334nucleo/sketch.bin
> 0x8000000
>
>
> Where can you get the gdb-version for arm?
>
>
> -eero-
>
>
> On Sat, Sep 13, 2014 at 6:33 PM, Ivan Raul <supra.material@xxxxxxxxx
> <mailto:supra.material@xxxxxxxxx>> wrote:
>
> Hi to all,
>
> To flash the nucleo the first thing is to install the latest version
> of texane/stlink, it already has Lari's addition merged, it works
> smoothly!
>
> mkdir texane
> cd texane
> git clone https://github.com/texane/stlink.git
> cd stlink/
> ./autogen.sh
> ./configure
> make
> sudo make install
>
> Now, to flash, the .bin file is the one used (I lost some time
> trying to make it work by flashing the .hex ...)
> st-flash write sketch.bin 0x8000000
> #if it complains about " WARN src/stlink-usb.c: Error -3 opening
> ST-Link/V2 device ...", run it with sudo
> sudo st-flash write sketch.bin 0x8000000
>
> In order to see the green LED blink, it is necessary to configure
> pin 13:
> -----------------------
> #include <Arduino.h>
>
> void setup() {
> pinMode(13, OUTPUT);
> }
>
> void loop() {
> digitalWrite(13, 1);
> for (volatile int i = 0; i < 100000; i++)
> ;
> digitalWrite(13, 0);
> for (volatile int i = 0; i < 100000; i++)
> ;
> }
> ------------------
>
> Additionally, if you want to debug a little and see how the program
> executes:
>
> sudo st-util
>
> Then, it will show the port " Listening at *:4242..."
> now, open gdb with the elf file as input
>
> arm-none-eabi-gdb sketch
>
> Now, in the debug command line "(gdb)"
>
> target remote localhost:4242
>
> It will show that it is halted in the first instruction of the reset
> handler, for me shows:
> Reset_Handler () at
> Runtime/stm32/build/../system/stm32/src/startup_stm32f334xx.c:287
> 287 __asm__ volatile ("mov sp, %0" : : "r" (stack));
>
> You can play to step to the next instruction
>
> step
>
> Or continue the execution
>
> continue
>
> If you command continue, it will run normally and you will notice
> the LED blinking
> To halt the execution after continue, press the classic
>
> Ctrl+C
>
> You can check the registers:
>
> info reg
>
> Or check the information at certain address, for example:
>
> (gdb) x 0x0
> 0x0: 0x20003000
> (gdb) x 0x8000000
> 0x8000000 <g_pfnVectors>: 0x20003000
>
> What happens here is that the first section of flash is also mapped
> to the address 0x00000000, to enable the initialization to find the
> vectors at the very beginning of the memory. What is shown there is
> the initial value of the stack pointer.
>
> --------------------------------------
>
> Regarding the initialisation procedure, I checked removing the
> copying of the linker _estack provided variable to the stack. It is
> not necessary, the stack pointer is initalised from the init vectors
> (at least with the st32f334). The stack pointer is identical without
> the imperative assignment:
>
> With copying:
> sp 0x20002ff0 0x20002ff0
> lr 0x8000197 134218135
>
> Without copying
> sp 0x20002ff0 0x20002ff0
> lr 0x8000197 134218135
>
> -------------------------------------
>
> BR, Ivan
>
>
>
>
>
> With Warm Regards, Ivan Raul
>
> On Fri, Sep 12, 2014 at 7:49 PM, Pekka Nikander
> <pekka.nikander@xxxxxx <mailto:pekka.nikander@xxxxxx>> wrote:
>
> cd /tmp
> git clone https://github.com/supramaterial/Runtime
> cd Runtime/stm32/build
> make sketch.cpp
> # edit sketch.cpp to blink a led; see below
> make
>
> That creates hardware/stm32f334nucleo/sketch.{hex,bin}
>
> How to flash that to the STM32F334nucleo, I don't know exactly.
> Lari knows, he's done that.
>
> Here is a simple sketch for a LED in pin #3
>
> -----------------------
> #include <Arduino.h>
>
> void setup() {
> pinMode(3, OUTPUT);
> }
>
> void loop() {
> digitalWrite(3, 1);
> for (volatile int i = 0; i < 10000; i++)
> ;
> digitalWrite(3, 0);
> for (volatile int i = 0; i < 10000; i++)
> ;
> }
> ------------------
>
> YMMV.
>
> --Pekka
>
>
> On 2014–09–12, at 20:30 , otso@xxxxxxxxxxxx
> <mailto:otso@xxxxxxxxxxxx> wrote:
>
> > I have some time over weekend as well as the hardware, please
> send me the
> > details of what has to be tested and how "works" is defined.
> I'll test it
> > if I get more pressing issues with the hardware in order.
> >
> > -otso
> >
> >> Could someone please test this on a real STM32F334? If it
> works, I'll
> >> merge it.
> >>
> >> --Pekka
> >>
> >> Begin forwarded message:
> >>
> >>> From: supramaterial <notifications@xxxxxxxxxx
> <mailto:notifications@xxxxxxxxxx>>
> >>> Subject: [Runtime] Added support for STM32F334 emulator (#24)
> >>> Date: 11 Sep 2014 1:05:12 GMT+3
> >>> To: Ell-i/Runtime <Runtime@xxxxxxxxxxxxxxxxxx
> <mailto:Runtime@xxxxxxxxxxxxxxxxxx>>
> >>> Reply-To: Ell-i/Runtime
> >>>
>
> <reply+i-42466605-35e7ed84685e7220999a32a51c47bf889c73a76d-681239@xxxxxxxxxxxxxxxx
>
> <mailto:reply%2Bi-42466605-35e7ed84685e7220999a32a51c47bf889c73a76d-681239@xxxxxxxxxxxxxxxx>>
> >>>
> >>> Please, test on real hardware, I just tested in the emulator.
> >>>
> >>> You can merge this Pull Request by running
> >>>
> >>> git pull https://github.com/supramaterial/Runtime master
> >>> Or view, comment on, or merge it at:
> >>>
> >>> https://github.com/Ell-i/Runtime/pull/24
> >>>
> >>> Commit Summary
> >>>
> >>> Add: C initialisation and headers for STM32F334
> >>> Add: Emulator SCB support for STM32F334
> >>> Add: Compile flags for emulator shared library for STM32F334
> >>> File Changes
> >>>
> >>> M stm32/emulator/inc/SCB.h (2)
> >>> M stm32/make/emulator.mk <http://emulator.mk> (5)
> >>> M stm32/make/system_lib.mk <http://system_lib.mk> (2)
> >>> A stm32/system/stm32/inc/system_stm32f3xx.h (76)
> >>> D stm32/system/stm32/src/startup_stm32f334x8.S (421)
> >>> A stm32/system/stm32/src/startup_stm32f334xx.c (328)
> >>> Patch Links:
> >>>
> >>> https://github.com/Ell-i/Runtime/pull/24.patch
> >>> https://github.com/Ell-i/Runtime/pull/24.diff
> >>> —
> >>> Reply to this email directly or view it on GitHub.
> >>>
> >>
> >>
> >
> >
>
>
>
Other related posts:
