Search results for "STM"

[STM32] Crossreference ChipID - Device (EN / DE)

people! Having had some trouble finding a decent source of information regarding the Chip ID on STM32 µCs and the Flash/Sram size, here's an appeal to gather known and tested information you all might have come across. As an example for what information should be in, at the end there's a snippet of

Morgen! Da ich auf wenig Information bezüglich CHIP_ID und deren Flash/Sram Speichergröße für die STM32 µCs im Internet gefunden habe, hier eine Bitte diese Information zu sammeln. Es sollten Daten sein die Ihr schon ausprobiert habt und getestet wurden. Als Beispiel am Ende ein Schnippsel der .xml

µC & Digital Electronics ·Albert F. ·2013-11-28 07:30 ·0 Replies

GNU issues for cpp

GCC issue 1: We are working on the STM32F0 series, where the src code is in C++ and the compiler used is the GCC ARM (version 4.4.1) which compiles fine. However when we changed the GCC compiler to 4.7.3 we are observing linker issues as

Cortex M0 and wrking on STM32F051.

µC & Digital Electronics ·Sujit P. ·2013-11-25 07:46 ·4 Replies

First try STM32F4-Discovery

f ./cmsis/device/system_stm32f4xx.c.bak ./src/syscalls.c.bak ./src/main.c.ba k rm -f ./cmsis/device/system_stm32f4xx.lst ./src/syscalls.lst ./src/main.lst rm -f ./cmsis/device/startup_stm32f4xx.s.bak rm -f ./cmsis/device/startup_stm32f4xx.lst

ffunctio n-sections -fdata-sections -Wa,-ahlms=cmsis/device/system_stm32f4xx.lst -DRUN_ FROM_FLASH=0 -DVECT_TAB_SRAM -MD -MP -MF .dep/system_stm32f4xx.o.d -I . -I./inc -I./cmsis/core -I./cmsis/device cmsis/device/system_stm32f4xx.c -o cmsis/device/ system_stm32f4xx.o

µC & Digital Electronics ·Kevin Gordon ·2013-11-12 04:41 ·1 Replies

Control ARM prologue/epilogue assembly code emission

The Cortex-M4F (ARMv7M) does not have an explicit PUSH instruction, but only "STM". Verify that you call the compiler correctly for that core (flags -mcpu=cortex=M4 -mthumb). Paste the disassembly, step through the instructions with a debugger and explain why you believe that the

with an other mikrocontroller? Maybe that one is defect... This should definitely work (it does on my STM32F4 which is a Cortex-M4, too - i.e. has exactly the same core). I don't think GCC can be stopped from generating the "PUSH" instruction because it should work.

µC & Digital Electronics ·Albert Hong ·2013-09-24 21:14 ·6 Replies

malloc, strncpy on STM32F4 not working

Hi, I am trying to get strncpy working. At the moment I know that it has something to do with the newlib. I am using coocox with https://launchpad.net/gcc-arm-embedded/ How do I include the newlib into my toolchain? Or am I wrong with newlib an the problem lies somewhere else? I included the syscalls from the repository: "The component implement the minimal functionality required to allow libc to link." I also included libc in the "linked libraries section". But it seems as if behind strncpy is only a declaration: "char *_EXFUN(strncpy,(char *, const char *, size_t));" I do not have

µC & Digital Electronics ·Marcel F. ·2013-07-17 22:06 ·7 Replies

Simulating an ARM code on x86 with qemu

I want to run a simple ARM cortex-M3 program (does nothing, just initializes pins) meant for an STM32F4 on qemu I tried the following srinath@umdLenovoG570:~/qemu-1.4.1/arm-softmmu$ ./qemu-system-arm -cpu cortex-m3 -S -s -singlestep -nographic -m 513 -kernel ~/autoquad/autoquad-read-only/onboardCode

µC & Digital Electronics ·Srinath M. ·2013-05-23 09:11 ·0 Replies

how can I read protect my STM32F4 with eclipse + openOCD JTAG ?

hello forum , I am using Eclipse + openOCD JTAG for downloading and debugging my aplication into STM32F4 after I finish my project I want read protect my code so that it is not stolen question : how can I read protect my STM32F4 with eclipse + openOCD JTAG thank you

Please have a look at this chapters in the reference manual of the stm32F4xxx microcontrollers (RM0090): 3.6.3 Read Protection (RDP) 3.6.1 Description of user option bytes 3.8.3 Flash option key register (FLASH_OPTKEYR) And after that you should read in the documentation

µC & Digital Electronics ·magnetron ·2013-05-03 20:12 ·1 Replies

Atomic write - STM32

Hi, I'm currently working with a STM32F4 and try to implement atomic access to variables (e.g. mutexes). Currently, I disable all interrupts before accessing a mutex, and enable them afterwards. Now there exist the LDREX and STREX commands on the STM32, which seem to be perfect for my application. But how do I use them correctly? In the manual it says that an STREX *must* have the same address as the previous LDREX. So I still need to disable interrupts

µC & Digital Electronics ·Lasse S. ·2013-05-05 21:21 ·2 Replies

how can I read protect my STM32F4 with eclipse + openOCD JTAG ?

attachment the screenshot of my Eclipse 1) how can I upgrade this to 0.7.0 ? 2) should I type "stm32f2x lock 0" in the console window ? 3) "power cycle may be required" - you mean power off and then on ? 4) I have stm32f4 - but your answer "stm32f2x" - is the command equal for both f2 and f4

"stm32f2x" - is the command equal > for both f2 and f4 ? > yes Spen

µC & Digital Electronics ·magnetron ·2013-05-22 19:31 ·6 Replies

help Yagarto linking 32 bit arm code into CM4

hello forum, a simple math calculation caused my STM32F4 going into hardfault first I asked my problem at ST forum however it turned out that my eclipse + yagarto is the cause of the problem it is linking 32 bit ARM code instead of THUMB code for my STM32F4 uC please have a look at ; https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fcortex%5fmx%5fstm32%2fSTM32F4%

µC & Digital Electronics ·magnetron ·2013-03-22 20:24 ·3 Replies

Missing startup file crt0.o

own crt0 or startup file for your project/hardware. In case of my examples you will find a startup_stm32f4xx.s in the M4 example. Best regards, Michael

µC & Digital Electronics ·Helge K. ·2013-03-22 18:51 ·1 Replies

unknown cpu 'cortex-m0'

Dear all, I have some serious issues with the GCC compiler when using a cortex-M0 (STM32F051) When compiling my code with GCC version 4.6.3, which should support cortex-M0 microcontrollers, I get next messages: Error: unknown cpu `cortex-m0' Error: unrecognized option -mcpu=cortex-m0

µC & Digital Electronics ·Evert ·2013-05-22 21:01 ·6 Replies

confused by various UDP checksum algorithms

hello forum, I am trying to send an UDP packet (contains only "TEST" string) from STM32 to VB6 winsock I can see packets going with wireshark software however winsock data_arrival subroutine never gets called ( if I send from laptop winsock to PC winsock or vice versa UDP packet

printscreen winsock cannot receive this packet I have an USRobotics adsl router between PC and STM32F4

µC & Digital Electronics ·magnetron ·2013-01-06 16:19 ·9 Replies

STM32L1xxx µC displaying memory contents

first of all would like to greet everyone from my side. I am working as an intern and working with STM32L152 EVAL board. I am supposed to take the digital values from the ADC converter from an analog input and save them for the first run. In the second run I have to save the second values and compare

µC & Digital Electronics ·vinay kumar ·2012-12-30 19:32 ·3 Replies

Yagarto: Cortex-m3 linked ok, Cortex-m0 not

I have a lot of projects with stm32f1xx CPUs (cortex-m3), all is good with them. Now I decided to make project with stm32f051 (cortex-mo), and linker works with errors. I have several cpp files (task is to light-up LED), they are

done. I use Yagarto with GCC v.4.7.2. Here is output: arm-none-eabi-g++ -T"D:\Nute\_tmp_\f0test\STM32F051R8.ld" -Xlinker --gc-sections -Wl,-Map,f0test.map -mcpu=cortex-m0 -mthumb -o "f0test.elf" ./src/main.o ./lib/src/stm32f0xx_rcc.o ./lib/startup_stm32f0xx.o ./lib/system_stm32f0xx.o ./kl_lib/

µC & Digital Electronics ·Kreyl L. ·2012-12-13 21:05 ·6 Replies

help! memcpy causes hardfault on STM32F4 Locked

/../ # Objects built from C source files C_OBJECTS = $(OBJ)/main.o C_OBJECTS += $(OBJ)/system_stm32f4xx.o C_OBJECTS += $(OBJ)/stm32f4xx_gpio.o C_OBJECTS += $(OBJ)/stm32f4xx_rcc.o C_OBJECTS += $(OBJ)/stm32f4xx_tim.o C_OBJECTS += $(OBJ)/stm32f4xx_it.o C_OBJECTS += $(OBJ)/stm32f4xx_syscfg.o C_OBJECTS

CFLAGS) -o $(OBJ)/syscall.o syscall.c @ echo ".compiling libraries" $(CC) $(CFLAGS) -o $(OBJ)/stm32f4xx_tim.o $(LIBRARYSRC)/stm32f4xx_tim.c $(CC) $(CFLAGS) -o $(OBJ)/stm32f4xx_gpio.o $(LIBRARYSRC)/stm32f4xx_gpio.c $(CC) $(CFLAGS) -o $(OBJ)/stm32f4xx_rcc.o $(LIBRARYSRC)/stm32f4xx_rcc.c

µC & Digital Electronics ·magnetron ·2013-03-12 20:04 ·12 Replies

_sbrk error , how to solve for STM32F4 ?

I am trying to compile a C program for STM32F4 microcontroller with yagarto I have run into following error [c]c:/olimexods/yagarto/bin/../lib/gcc/arm-none-eabi/4.5.1/../../../../arm-none-eabi/lib\libg.a(lib_a-sbrkr.o): In function `_

µC & Digital Electronics ·magnetron ·2012-12-07 22:13 ·2 Replies

"undefined reference to memcpy" error - please help!

hello dear forum , I am trying to compile a C program for STM32F407 microcontroller with OlimexODS ( Eclipse + yagarto compiler ) I get the error; "undefined reference to memcpy" error as you can see in the attached picture ---------------------- makefile

. > will it link with latest version of library ? I don't know your library. And Idon't know STM or ARM. It's just the general scheme how gcc works. If GCC and Binutils and the libraries are configured and built correctly, it will work.

µC & Digital Electronics ·magnetron ·2012-12-05 21:21 ·19 Replies

how can I get rid of impure_ptr ? Locked

hello dear forum , I am trying to compile a C program for STM32F407 microcontroller with OlimexODS ( Eclipse + yagarto compiler ) I get the error; undefined reference to `_impure_ptr' there is no function "impure_ptr" in my whole project the error

µC & Digital Electronics ·anotherbrick ·2012-11-29 13:38 ·3 Replies

eLua on STM32F4discovery

Hi, i'm trying to run eLua on a STM32F4discovery board. I downloaded and flashed this image successfully: http://dd.homeunix.com/home/space.php?uid=1&do=blog&id=90 http://dd.homeunix.com/home/attachment/public-File/elua_lua_stm32f407vg

Hi; Does this mean you have done a STM32F4 build of v0.8 that supports ROMFS? Would you be willing to post the binary? Thanks, CZ

µC & Digital Electronics ·Thomas M. ·2012-11-26 22:40 ·2 Replies

STM32 Virtual COM Port driver

based on Windows XP. The driver (inf-file) described at: http://www.mikrocontroller.net/articles/STM32_USB-FS-Device_Lib and available at: http://www.mikrocontroller.net/articles/Datei:Stmcdc.inf works fine when the host is based on Windows 2000, but we can not find this inf-file on the ST web-pages

µC & Digital Electronics ·sengp ·2018-10-26 05:15 ·8 Replies

Do we still need to write "efficient" C-code targeting ARM? Or does compilers do the job?

experience practical issues with certain compilers (I prefer to switch of optimisatons on IAR for the STM-ARMS). And furthermore I found that many (partly very experienced programmers like Karl Heinz, which you may meet quite often here) who state, that a program must function as well with and without optmizations

µC & Digital Electronics ·IA ·2012-10-31 15:52 ·19 Replies

ChibiOS on the STM32F4-Discovery

Hi, I got a STM32F4-Discovery board and wanted to test some ready to use code. I stumbled upon the ChibiOS and its STM32F4 support. I compiled the sources under macos x, with a self-built gcc, and flashed with a self-compiled

µC & Digital Electronics ·Ale ·2012-10-18 19:27 ·2 Replies

va_args, printf and DMA memory problems

past few days as I try to understand why and what is going on... So here it goes: Current config: stm32f407VG (same as stm32f4 discovery) I set up a project using the default linker and startup files from www.onarm.com. Init the ADC & DMA's [code] ADC_CommonInitStructure.ADC_Mode

µC & Digital Electronics ·Kevin none ·2012-10-29 20:09 ·4 Replies

launchpad gcc for ARM: Understanding linker scripts

Greetings to all, I want to run code from a ram-location on a STM32F407 (Cortex-M4) microcontroller, but before I can do this, I want to understand the linker-commands, and this seems to be a real challenge. At first, I want to find out where some code-fragments

work, I got "bootstart = 0x20000804" and "bootend = 0xaf00b580", superfluouses to mention, that the STM doesn't have so much memory. [code] SECTIONS { . = 0x08000000; bootstart = . ; .text : { ... ... [/code] It's amazing, that the code generated with these linker-scripts

µC & Digital Electronics ·Lauren ·2012-10-02 12:46 ·1 Replies

STM32F4xx: running code from ram

ST Microelectronics promotes the STM32F4 series with: "Based on CoreMark benchmark, the performance achieved thanks to the ART accelerator is equivalent to 0 wait state program execution from Flash memory at a CPU frequency up to 168 MHz

try*/ /* second try: */ .text : { ..\obj\main.o *(.text); ..\obj\stm32f4xx_gpio.o *(.text); ..\obj\startup_stm32f4xx.o *(.text); ..\obj\stm32f4xx_rcc.o *(.text); ..\obj\system_stm32f4xx.o *(.text); *(.glue_7t) *(.glue

µC & Digital Electronics ·Lauren ·2012-09-30 23:20 ·7 Replies

Problems with Code sourcery G++ , audio playback file

Dear All, Greetings !!! I am trying to build a code example given with the STM32F4 discovery board and am getting the following problems in the console/ after build "D:/eclipse_indigo/stm32f4discovery_fw/STM32F4-Discovery_FW_V1.1.0/Project/Audio_playback_and_record/inc/usb_conf.h

of the macros in a header-file which is included by all USB-codes. IRC there is such a file in the STM library, somthing like usbconf.h. Further information should be available in the manual of the STM32F-USB-Library. The STM32-forum at st.com might be a better place to ask such target-specific questions

µC & Digital Electronics ·Arm user ·2012-08-07 06:19 ·2 Replies

STM32 GCC problem writing to flash bank 2

I am developing a project running on an STM32 target, using Eclipse, openOCD and CodeSourceryLite 2009q1-161. Part of the design is that the user should be able to upgrade the code in flash, so I partition it into a bootloader and two equal

flash upgrade functionality on optimized code. To allow for future growth I have upgraded to an STM32F103xG, which has 1M of flash configured in two banks. I have been able to continue debugging, and I can run the flash upgrade into either bank when in debug mode. However, if I build the code at

µC & Digital Electronics ·Alan Rouse ·2012-09-20 14:59 ·2 Replies

STM32 and Programming via Boundary Scan

Hello, im currently writing on my B.thesis about boundary scan and its implementation. I`ve found enough informations about the principle of boundary scan and how to test with BS. However, i didnt find a lot informations about using BS to program a µC. Can anyone provide my informations about programming with BS? How efficient is it? Another question that has to be answer is if BS is useful for our products. We have quite a lot analogue devices such as analogue control stages or other complex analogue components. In some cases, we only have 1-2 digital devices (µC,..) on the PCB. Is it useful

µC & Digital Electronics ·Manu ·2012-07-13 13:28 ·1 Replies

Geting PC register value

Hello, I use gcc to compile my code for STM32F407VGT6. I am trying to print the value of PC register and in order to do this I use this code: unsigned int pc_value; __asm__("mov %%R15,%0" : "=r" (pc_value)); My application crashes when

µC & Digital Electronics ·sughibughi ·2012-07-10 13:52 ·3 Replies

ARM linker fail

I'm trying to compile RTEMS for a STM32F4DISCOVERY board. Everything goes well until the linker tries to find the linker script linkcmds.armv7m. I searched for the file on my system and I found it some places. /opt/rtems-4.11/bin/ld

-DHAVE_UNISTD_H=1 -DHAVE_CSTDIO=1 -DHAVE_CSTDLIB=1 -DHAVE_IOSTREAM=1 -I./../bin/arm-rtemseabi4.11/stm32f4/lib/include -I./inc -g -Wstrict-prototypes -Wnested-externs ./obj/stm32f4_discovery.o ./obj/stm32f4xx_exti.o ./obj/init.o ./obj/stm32f4xx_rcc.o ./obj/misc.o ./obj/stm32f4xx_syscfg.o ./obj/apptask.o

µC & Digital Electronics ·bogdanul2003 ·2012-06-30 15:16 ·2 Replies

Strange GDB behaviour with Cortex-M3

Now I encounter the same problem with STM32F107. I cope with this problem by removing breakpoint after reach these particular breakpoint, but this is not solution.

µC & Digital Electronics ·Rainer ·2012-10-25 21:44 ·5 Replies

Advantages of Hard/Soft FPU Compiler Settings

about the "overhead", maybe somebody else can. As far as I can see (I just made a few tests with STM32F4 Cortex M4 and GNU tools) the main advantage of the soft-abi is the possiblity to "mix" libraries which are only available as object code (archives/"a-files"). As long as the library has been compiled

µC & Digital Electronics ·Patrick ·2012-06-19 12:05 ·2 Replies

C++ STL and STM32

Hi, I have a problem with the C++ STL on the STM32. The following code works as expected on my hardware (chinese board with STM32F103..) [c] int main(void) { char Line[512]; std::list<std::string> *pHistory; pHistory = new std::list<

Hello Hase, I agree that I strain the stack a bit, but out of the 64k RAM in the STM32, I have less than 8k for .data and .bss sections. The remaining 56k are used for heap and stack. The initial stack pointer is set to the end of RAM and the heap grows upwards from the end of the .

µC & Digital Electronics ·Thomas H. ·2017-09-08 07:47 ·13 Replies

_sbrk exists, linker can't find it

Hello, I'm trying to compile a program for a stm32f4-discovery board using code sourcery g++ lite and I'm having a peculiar problem. My program uses the "new operator" and I had to implement the _sbrk function. Here is the linker command: arm-none-eabi-g

µC & Digital Electronics ·Liviu Vasut ·2012-03-06 14:21 ·2 Replies

Problem with gnu ld and STM32

Hello, I'm trying to make anSTM32F103 work with the Code Sourcery tool chain. Using the attached ld command file, I get these errors: Invoking: Cross GCC Linker gcc -L"/home/Tommi/workspace/FWLib/Release" -Wl,-T ../SRC/STM32_Lnk.cmd -o "LED01" ./SRC/core_cm3.o ./SRC/main.o ./SRC/startup_stm32f10x_hd.o ./SRC/stm32f10x_it.o -lFWLib collect2: ld terminated with signal 11 [Segmentation fault] /home/Tommi/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_GNU_Linux/bin/../lib/gcc/arm-none-linux-gnueabi

µC & Digital Electronics ·Thomas H. ·2012-03-17 10:02 ·3 Replies

Changing return address of exception

I am using olimex stm32 board. It has cortex-m3 processor. For my project, I require to change return address when processor is executing exception. I know that it is stored in stack, But where in stack? It is always

solved. I am writing the code to change return address which worked for me. This code is for olimex stm32f107 board. asm( "TST LR, #4;" "ITE EQ;" "MRSEQ R0, MSP;" "MRSNE R0, PSP;" ); asm("mov %0, r0" : "=r"(lraddr)); nxaddr=lraddr[12]; lraddr[12]=NEW

µC & Digital Electronics ·sunil gandhi ·2012-03-10 18:12 ·7 Replies

STM32 and SMBus

Hello everyone, I am trying to communicate with a MAX11068 from a STM32F103 over SMBus, but it does not work as expected. Has anybody worked with the SMBus and would be so kind to provide sample code? Michael

µC & Digital Electronics ·Michael ·2012-03-09 12:06 ·1 Replies