Search results for ""STM32""

STM32F051 I2C slave problem

Hi, I have in a STM32F051k project a problem with the I2C as Slave. I send from an AVR: Start/address Wr/command/repStart/address RD/ ... read information / Stop) The read information is command/count/data. Exact

µC & Digital Electronics ·klaus ·2014-08-27 16:25 ·3 Replies

SPI communication between two microcontrollers

Hello everyone, I am trying to make communication between an STM32F3 microcontroller and a custom board baser on PIC microcontroller using SPI protocol. The STM32F3 acts as a Slave and the custom board as a Master. The clock is set to 10 MHz. I’m using NSS hardware

µC & Digital Electronics ·jeorges FrenchRivera ·2018-01-29 12:34 ·13 Replies

nsec-resolution time measurement with MSP430 or alternatives ?

While the STM32F334 has a timer with 217 ps resolution, it is a pity that this resolution is only for output, not for capture, as the poster asked. The Infineon Cortex Parts also have sub-nanosecond timers, but

capture. And datasheet download still requires a NDA! You can get about 5 ns resolution with the STM32F405 and bigger parts, running the timer at 168/180 MHz or LPC43xx at 204 MHz.

µC & Digital Electronics ·Juan Solano ·2016-12-11 02:03 ·11 Replies

USART1 issue with a STM32F030R8 Nucleo Board

MAIN_H /* Includes ------------------------------------------------------------------*/ #include "stm32f0xx.h" #include "stm32f0xx_rcc.h" #include "stm32f0xx_it.h" #include "stm32f0xx_gpio.h" #include "stm32f0xx_rtc.h" #include "stm32f0xx_nucleo.h" #include "stm32f0xx_conf.h" #include "stm32f0xx_usart.h

Hey, Benoit wrote in post #3658640: > GPIO_PinAFConfig(GPIOA, GPIO_Pin_2, GPIO_AF_0); STM32F030R8 hasn't mapped USART1 on PA2, please read the datasheet page 31. USART1 is available on STM32F030x6 and STM32F030x4 devices only. Benoit wrote in post #3658640: > GPIO_PinAFConfig(GPIOA,

µC & Digital Electronics ·Benoit ·2014-05-21 09:25 ·3 Replies

[Solved] STM32F0 Discovery Board: Connect faild, check config and cable connection

Hi I bougth the Stm32F0 Discovery to get into microcontrollers. I have only knowlegth about c# and java programming. I followed this tutorial (video http://www.youtube.com/watch?v=nP6TR6NAZTQ) Downlaoding coocox ide

/CoIDE/flash/STM32F05xx_64.elf" Error: Connect failed, check config and cable connection Program Download Failed ! I have no cloue what to change. Can anyone give me a hint? Do I Have to know anything else

µC & Digital Electronics ·Markus J. ·2017-10-23 11:40 ·7 Replies

SimpleSerialTerminal

during debugging of baud rate difficulties in a timer controlled bitbanging software serial of an STM32F103RBT ARM Cortex M3. If you wish a line feed carriage return in the monitor, your MIC has to send the #13 #10 chars. @Moby: which is the reason for better having a more condensed representation

µC & Digital Electronics ·heisystec ·2014-06-20 18:09 ·20 Replies

Still missing crt0.o

I had the same problem wit trying to compile for STM32F4xx (Cortex M4). I ditched Yagarto and switched to using GNU Tools ARM Embedded - toolchain (4.8_2014q2): https://launchpad.net/gcc-arm-embedded Seems to work for me.

µC & Digital Electronics ·Salman Sheikh ·2014-08-24 15:42 ·3 Replies

STM32F1xx EXTI problem to trigger interrupt by SWIER

Hallo, i have the following problem to solve: an interrupt should be triggered when the frame-signal of a SPI-interface changes from 0 to 1. If, at the time of enabling this interrupt, the frame-signal is already high, the interrupt should be triggered by software instead of the rising edge. I am using int-structures representing the register-bits of EXTI and other peripherals mapped to the according places within the bit-banding-area of the micro. These are name XXXbbbits. I am also using bit-structures which are representing the structures of their according registers to manipulate two

µC & Digital Electronics ·Gernot ·2014-04-16 08:48 ·0 Replies

STM32F4 IMPRECISERR, trouble debugging

First off I did make a Debug Fault Handler, this is what I am getting r0 = 1200 0x000004B0 r1 = 0 0x00000000 r2 = 1200 0x000004B0 r3 = 1 0x00000001 r12 = 0 0x00000000 lr = 134228401 0x080029B1 pc = 134228410 0x080029BA psr = 553648128 0x21000000 OST = 536881104 0x200027D0 HFSR = 1073741824 0x40000000 CFSR = 1024 0x00000400 Showing BUSFAULT IMPRECISERR DFSR = 0 0x00000000 MMFAR = 3758157108 0xE000ED34 BFAR = 3758157112 0xE000ED38 AFSR = 0 0x00000000 PSP = 536881200 0x20002830 SHCSR = 0 0x00000000

µC & Digital Electronics ·SGT Jacobs ·2015-01-06 17:46 ·5 Replies

STM32F0 ADC input noise investigations

input voltage stable during this time. References ---------- [1]: RM0091: Reference Manual, STM32F05xxx/06xxx advanced ARM-based 32-bit MCUs (http://www.st.com/web/en/resource/technical/document/reference_manual/DM00031936.pdf) [2] STM32F051x4 STM32F051x6 STM32F051x8: Data sheet (http://www.st.com/web/en/resource/technical/document/datasheet/DM00039193.pdf) [3] UM1525: User Manual, STM32F0DISCOVERY, Discovery kit for STM32 F0 microcontrollers (http://www.st.com/st-web-ui/static/active/en/resource/technical/document/user_manual/DM00050135.pdf)

µC & Digital Electronics ·whitespace ·2014-01-15 23:20 ·2 Replies

ARM Integrator/CP and general portability

actual, instead of a virtual, prototype with a lean, cheap and also modern eval board such as the STM32F4 Discovery Board (Cortex-M4F, ARMv7M, ~15€) while encapsulating the hardware accesses into an exchangeable hardware access layer? This allows you to use the modern ARMv7M architecture, gets rid of

µC & Digital Electronics ·Jakob Holderbaum ·2013-12-23 15:09 ·4 Replies

STM32F429 Discovery Sega Master System emulator

Hi all, To test the new ST discovery kit I made a minimal SMS emulator running on it. The code is released as Open Source and it is avaliable on http://www.codeforge.com/article/218395 A small demo video is on http://www.youtube.com/watch?v=qtNLctyoxU8 The project is developed using Keil MDK (evaluation version) so everyone can test and enhance it.

µC & Digital Electronics ·Alessandro ·2013-12-09 22:37 ·2 Replies

[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 Datei

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

./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

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

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

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/kl_lib_f0

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 `_sbrk_r

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

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 pointer

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