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  • Thread

    ARM fixed point vs. floating point

    Hi, I'm creating application on ARM STM32F103VE. I have to multiply several matrix in very short time. I'm thinking about using Fixed Point, to speed up my calculations. So that I wrote union: typedef union fxpntu{ int full; struct fxpnts{ int_fast32_t fraction : 31; int_fast32_t integer : 1; } part; } fxpnt_t; My Fixed Point representation is Q1.31. Than, I created multiplying function: /* Return: c = a * b */ fxpnt_t fxmul

    µC & Digital Electronics ·danrok · ·1 Replies

  • File

    startup_stm32f10x_md.asm

    /** ****************************************************************************** * @file startup_stm32f10x_md.s * @author MCD Application Team * @version V3.4.0 * @date 10/15/2010 * @brief STM32F10x Medium Density Devices vector table for RIDE7 toolchain. * This module performs: * - Set the initial

    in „GNUARM TChain Linker Problem STM32“ · Mikrocontroller und Digitale Elektronik ·

  • File

    startup_stm32f10x_md_vl.s

    /** ****************************************************************************** * @file startup_stm32f10x_md_vl.s * @author MCD Application Team * @version V3.3.0 * @date 04/16/2010 * @brief STM32F10x Medium Density Value Line Devices vector table for Atollic toolchain. * This module performs: * -

    in „stm32 probleme mit Assembler für startup File“ · Mikrocontroller und Digitale Elektronik ·

  • File

    stm32f103r8_rom.ld

    /* Linker script for lm3s6730 * * Version:Sourcery G++ 4.2-62 * BugURL:https://support.codesourcery.com/GNUToolchain/ * * Copyright 2007 CodeSourcery. * * The authors hereby grant permission to use, copy, modify, distribute, * and license this software and its documentation for any purpose, provided * that existing copyright notices are retained in all copies and that this * notice is included verbatim in any distributions. No written agreement, * license, or royalty fee is required for any of the authorized uses. * Modifications to this software may be copyrighted by their authors * and need

    in „Bibliotheken nur teilweise Linken“ · Mikrocontroller und Digitale Elektronik ·

  • File

    STM32F407VGTx_FLASH_modified.ld

    ********************************** ** ** File : LinkerScript.ld ** ** Abstract : Linker script for STM32F407VGTx Device with ** 1024KByte FLASH, 128KByte RAM ** ** Set heap size, stack size and stack location according ** to application requirements. ** ** Set memory bank area and size if external memory is used. ** ** Target : STMicroelectronics STM32 ** ** ** Distribution: The file is distributed as is, without any warranty ** of any kind. ** ***************************************************************************** ** @attention ** ** <h2>

    in „ARM, GCC, Linker-Skripts“ · Mikrocontroller und Digitale Elektronik ·

  • File

    STM32L476VGTx_FLASH_modified.ld

    ********************************** ** ** File : LinkerScript.ld ** ** Abstract : Linker script for STM32L476VGTx Device with ** 1024KByte FLASH, 96KByte RAM ** ** Set heap size, stack size and stack location according ** to application requirements. ** ** Set memory bank area and size if external memory is used. ** ** Target : STMicroelectronics STM32 ** ** ** Distribution: The file is distributed as is, without any warranty ** of any kind. ** ***************************************************************************** ** @attention ** ** <h2>

    in „ARM, GCC, Linker-Skripts“ · Mikrocontroller und Digitale Elektronik ·

  • File

    sections.ld

    /* * Default linker script for Cortex-M (it includes specifics for STM32F[34]xx). * * To make use of the multi-region initialisations, define * OS_INCLUDE_STARTUP_INIT_MULTIPLE_RAM_SECTIONS for the _startup.c file. */ /* * The '__stack' definition is required by crt0,

    in „ARM, GCC, Linker-Skripts“ · Mikrocontroller und Digitale Elektronik ·

  • File

    sections.ld

    /* * Default linker script for STM32Fxxx. */ /* * The '__stack' definition is required by crt0, do not remove it. */ __stack = ORIGIN(RAM) + LENGTH(RAM); _estack = __stack; /* STM specific definition */ /* * Default stack sizes. * These

    in „STM32 - Eclipse - GCC - Sind Interruptadressen in Startup definiert?“ · Mikrocontroller und Digitale Elektronik ·

  • Thread

    Induction-Heating-Circuit not drawing any Current

    IGBT´s fast which results in less switching losses for IGBT´s. For my induction heater, i use a STM32 for controlling and a MCP14E10 for gate driving with a GDT. The MCP14E10 can deliver up to 3 A.

    Analog Circuits ·Joel · ·5 Replies

  • Thread

    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 · ·20 Replies

  • Article

    Forum-Teilnehmer

    layouten Gymnasiast Noonien Ferdinand Stehle 88 26xxx noonien at freakfiles.de freakfiles.de AVR mega32, mega8515 SciFi linuxverfechter Gymnasiast Esko Alexander Schmidt BJ 90xxx XxX klick mich AVR XxX XxX Daisho Jens B. 71 58XXX funktioniert sowieso - In-Circuit-Test,Löttechnik HP3070-Serie II Fehler

    Persönlichkeitsstörung. Rentner / Freiwillig Ehrenamtlich Malte Malte M 84 336xx :) :O Software STM32 AVR, ARM, Linux Windows IT siehe auch:. Karte mit mikrocontroller.net Mitgliedern bei Frappr Anderer Forums-Thread zum Alter Wer hat was - Wer hat welche Bauteile bei welcher PLZ

    Article ·

  • File

    syscalls.c

    *************************************************** * @file syscalls.c * @author Auto-generated by STM32CubeIDE * @brief STM32CubeIDE Minimal System calls file * * For more information about which c-functions * need which of these lowlevel functions * please consult the Newlib libc-manual ***********

    in „STM32 Cube IDE kombiniert -specs=nosys.specs mit syscalls.c“ · Mikrocontroller und Digitale Elektronik ·

  • Article

    CH32V003

    und Extras CH32V003 Minimales Testboard CH32 /RiscV Debugger Gehaeuse PicoMon für CH32V003 oder STM32F0xx CH32V003 Supercluster Neuronales Netzwerke auf dem CH32V003 Vier Gewinnt für CH32V003 und Linux-Toolchain HT16K33A mit CH32V003 CH32V003: serieller Bootloader CH32V003 Instruction Execution Timing CH32v003 PWM & Timer Probleme CH32V003 RC-Oscillator / Jitter Problem: CH32V003 läst sich nicht (mehr) flashen CH32V003F4P6 verliert

    Article ·

  • Thread

    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 · ·3 Replies

  • Thread

    clear the receive buffer

    I'm using the HAL_UART_Receive_IT function on stm32f303re to recieve data. After each use I want to delete the content of the receive buffer so that the next data that will arrive will start at the first index of the array. Is there a function to delete

    µC & Digital Electronics ·Gilles Patrick T. · ·3 Replies

  • Thread

    Long longs with Yagarto

    Hi, I am trying to use 64 bit maths on the STM32 compiled with Yagarto but get the link errors "undefined reference to `__exidx_start'" and "undefined reference to `__exidx_end'". I am using the linker script written by Martin Thomas for the

    µC & Digital Electronics ·marks · ·3 Replies

  • Thread

    USB to I2S adapter for audio transceiver

    Moin, Nothing out-of-the-box, but it somehow looks for me like it might be doable with some STM32 µC e.g. by combining the Application Notes AN5027 and AN4711. Gruss WK

    DSP ·ilans · ·4 Replies

  • Thread

    Hard Fault Error

    Hello There, I'm currently trying to program an P-Nucleo-WB55MB1355C with the IDE STm32Cube. Now I've ran a few examples and they all worked fine but when I try to create my own projekt and debug it. The program immediately jumps into the Hard Fault Handler, it doesn't even get to the

    µC & Digital Electronics ·Tobias · ·3 Replies

  • Article

    PIC32

    PIC32 ist eine 2007 vorgestellte Mikrocontrollerfamilie von Microchip. Mit den PIC- oder dsPIC-Mikrocontrollern vom selben Hersteller hat sie bis auf den Namen nichts gemeinsam. Der PIC32 basiert auf einem

    bei manchen Modellen einen DMA-Controller, Crypto-Engine und/oder eine FPU. Der PIC32 ist mit einem CORTEX-M3-Kern vergleichbar und so mit Mikrocontrollern wie dem STM32F10x oder der Stellaris-Familie von Texas Instruments (vormals Luminary). Alle diese Kontroller besitzen im Gegensatz

    Article ·

  • Thread

    Faster microcontroller

    microcontroller than the ATmega2560 to solve this? I'm embedding it into a 3D printed case. I thought about the STM32H7 (https://www.aliexpress.com/item/4000065515487.html). I'm not into PCB-designing, so it should be an development board, similar to the RobotDyn. I attached an image of my box. More about this

    µC & Digital Electronics ·Tom · ·5 Replies

  • Thread

    Image sensor. high data rate

    sensor, is sending it data on 4 Output with 720Mbps. As far as I know, typical microcontroller, example STM32F334R8, aren't fast enought to receive the data. I have the possibility to save the raw data first and work in a slower speed with the data later. My question is, does anybody have an idea how to

    µC & Digital Electronics ·madcookie · ·4 Replies

  • Article

    Speicher

    Stromaufnahme der Schaltung Beispiel: Verbraucher: ATtiny2313 @ 1 MHz, 5 V, ca. 0,9 mA Datensatz: 32 Byte Schreibdauer / Byte: ca. 3,4 ms Wir brauchen also ca. 32×3,4 ms = 108,8 ms, um die Daten im EEPROM zu speichern. Wenn wir den AVR mit 5 V betreiben und zulassen, dass die Spannung bis auf 3 V sinkt

    Nutzung irgendwann leer ist und nicht mehr als Backup dienen kann. Einige Mikrocontroller, namentlich STM32F103, bieten einen gesonderten Batterieanschluss U BAT , der dem Anwender sowohl die Diodenentkopplung als auch die Wurstelei mit der Zustandsmeldung erspart. Leider drehen sich die meisten Errata

    Article ·

  • Thread

    arm-elf-gcc path setting in eclipse

    Hey, I am linux user. I am also getting the same error while configuring STM32 with Eclipse Classic /bin/sh: arm-elf-gcc: command not found make: *** [main.o] Error 127 Could you please let me know how to source the arm-elf-gcc compiler in linux -- Harsh

    µC & Digital Electronics ·Piyush Pandey · ·6 Replies

  • Thread

    Hardware-independent µC core?

    Hi, the problem: my code wants to run on a couple disparate microcontrollers (ESP8266, "small" STM32, AVR AtMega). Besides the usual digital I/O which e.g. Arduino supports cross-platform I need stuff like port interrupts, timer interrupts, and letting the controller sleep until something happens

    µC & Digital Electronics ·Matthias U. · ·5 Replies

  • Thread

    Micros that ship with boot loaders and flash serially

    Many STM32 devices can be programmed via CAN. All of them can be programmed via UART (as far as I know).

    µC & Digital Electronics ·Dan L. · ·3 Replies

  • File

    main.c

    #include "stm32f4xx.h" __attribute__((always_inline)) inline void bitCopy( uint32_t *dest, const uint8_t dstBit, const uint32_t src, const uint8_t srcBit ) { register uint32_t temp; __asm__ __volatile__ ( "UBFX %

    in „STM32F4 Compiler bremst den Code“ · Mikrocontroller und Digitale Elektronik ·

  • Thread

    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 · ·3 Replies

  • Thread

    General Questions

    into your controller datasheet. E.g. the RM0008 Reference manual explains such things for the STM32. HTH, Registereqw

    µC & Digital Electronics ·Tushar K. · ·2 Replies

  • File

    startup_stm32f10x_ld_vl.s

    /** ****************************************************************************** * @file startup_stm32f10x_ld_vl.s * @author MCD Application Team * @version V3.3.0 * @date 04/16/2010 * @brief STM32F10x Low Density Value Line Devices vector table for RIDE7 * toolchain. * This module performs: * - Set

    in „STM32-Discoveryboard: FTDI Treiber/OpenOCD/Degugging“ · Mikrocontroller und Digitale Elektronik ·

  • File

    STM32H753BIT6_Linker_Script.ld

    ENTRY(ISR_RESET) MEMORY { FLASH_BANK_1 (rx) : ORIGIN = 0x08000000, LENGTH = 1024K FLASH_BANK_2 (rx) : ORIGIN = 0x08100000, LENGTH = 1024K SRAM_ITCM (rwx) : ORIGIN = 0x00000000, LENGTH = 64K SRAM_DTCM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K SRAM_AXI (rwx) : ORIGIN = 0x24000000, LENGTH = 512K SRAM_1 (rwx) : ORIGIN = 0x30000000, LENGTH = 128K SRAM_2 (rwx) : ORIGIN = 0x30020000, LENGTH = 128K SRAM_3 (rwx) : ORIGIN = 0x30040000, LENGTH = 32K SRAM_4 (rwx) : ORIGIN = 0x38000000, LENGTH = 64K SRAM_BACKUP (rwx) : ORIGIN = 0x38800000, LENGTH = 4K SRAM_EXT_SDRAM (rwx) : ORIGIN = 0xC0000000, LENGTH = 8M

    in „GCC Discarded Section in Disassembly“ · Mikrocontroller und Digitale Elektronik ·

  • File

    startup_stm32f10x_md_vl.s

    **************** (C) COPYRIGHT 2010 STMicroelectronics ******************** ;* File Name : startup_stm32f10x_md_vl.s ;* Author : MCD Application Team ;* Version : V3.3.0 ;* Date : 04/16/2010 ;* Description : STM32F10x Medium Density Value Line Devices vector table ;* for EWARM5.x toolchain. ;* This module

    in „IAR for ARM - IRQ-Funktion nur kompiliert wenn im Code referenziert“ · Mikrocontroller und Digitale Elektronik ·

  • Thread

    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 · ·3 Replies

  • Article

    ISP

    than 10 kinds of interfaces including JTAG, SWD, SPI, IIC and so on. Programming is supported for: STM8 support(SWIM) STM32 support(ISP/JTAG/SWD) siehe auch Forumbeitrag von Bingo LPC1000 support(ISP/JTAG/SWD) LM3S support(JTAG/SWD) AT91SAM3 support(JTAG/SWD) AT89S5X support(ISP) PSOC1 support(ISSP)

    Article ·

  • File

    blinky.c

    software. */ /******************************************************************************/ #include "stm32f10x.h" #define LED_BLINK_RATE 50 /* rate = LED_BLINK_RATE * systick */ #define LED_NUM 2 /* Number of user LEDs */ const unsigned long led_mask[] = { 1UL<<8, 1UL<<9 }; // = PORTC 8,9 erkannt #define USER1 0x0001 /* PA0 : USER1 */ #define UNBOUNCE_CNT 10 /* unbounce the Push Button */ uint32_t ledVal = 1; uint32_t ledOn = 0; uint32_t ledBlink = 0; /*---------------------------------------------------------------------------- configer LED pins *--------------------------------------------

    in „Suche etwas Hilfe bei ATM/STM32 Einstieg“ · Mikrocontroller und Digitale Elektronik ·

  • Thread

    _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 · ·2 Replies

  • Thread

    Troubles hunting down a Hard Fault Exception

    Hi, I am having trouble finding the reason for a hard fault exception on my cortex-M3 (STM32F107). I have implemented the exception handler according to the book "The definiteve guide to the ARM Cortex-M3". The assembler part: [code] __asm void HardFault_Handler(void) { IMPORT hard_fault_handler_c

    µC & Digital Electronics ·Marco ... · ·6 Replies

  • Thread

    EWARM output file format by IAR

    format *.out, which is flashed by the EWARM-application via the J-Link on the ARM-devices (e.g. the STM32F10x). Could anybody help me? Arne

    µC & Digital Electronics ·Arne · ·1 Replies

  • Thread

    GCC compiles fuctions without return instruction

    Hello. I´m using an ARM from OLIMEX, the STM32-P103 with a Cortex-M3. I use eclipse to write my code in C, arm-none-eabi-gcc to compile, arm-none-eabi-gdb to debug and OpenOCD to interface the microcontroller trough an ARM-USB-OCD(based on FT2232L

    µC & Digital Electronics ·Ferdinand Fahlbusch · ·3 Replies

  • Thread

    AD4001 ADC measurement configuration

    Analog Devices. In the later course I want to connect the ADC directly with a microcontroller from ST (STM32F767ZI) via SPI. But for test purposes and to see if the hardware setup is correctly, but for now I am using the SDP-H1 Evaluation Board, which is recommended from Analog Devices for the ADC. My

    µC & Digital Electronics ·Codemonkey · ·2 Replies

  • Thread

    Problem with stdint.h inclusion

    my Mac with this tutorial: http://salvatoremenendez.blogspot.com/2011/08/mac-os-eclipse-openocd-stm32-arm-cortex.html which seems quite nice. Everything went fine, I installed Eclipse 3.7.0, OpenOCD 0.4 and yagarto 4.6 but one thing doesn't work. As the tutorial tells on page 3, i use a project

    µC & Digital Electronics ·Olivier Desenfans · ·2 Replies

  • Thread

    Debugging cortex-m3 in GDB with J-Link causes SIGTRAPs

    I had this same problem when moving from the integrated st-link debugger (on my STM32 G-Eval board) to using the J-Link cable Stuck at "SVC 0" I had the debugger configuration check boxes for "halt" and "reset and delay" checked and also had "monitor reset halt" in the initialzation

    µC & Digital Electronics ·Artem Pisarenko · ·2 Replies

  • Thread

    Debugging with "Black Magic Probe"

    Hello everybody, My situation : - Platform : Linux Ubuntu 20.04.2 LTS - Target hardware : STM32F303xD microcontroller based - Black Magic Probe (firmware 1.7.1, hardware version 3) What did I do : - Compiled a minimal program with GCC/GNU - Start gdb (arm-none-eabi-gdb) - In gdb I entered

    µC & Digital Electronics ·Pier T. · ·2 Replies

  • Thread

    HELP..lost datasheet!

    I have bougt a stm32 card..yes, China! (the display has on board jtag develop interface), but I have lost data CD..so now I don't know anything about..drivers, schematics etc...there is someone may help me? Many thanks

    µC & Digital Electronics ·CARLO · ·1 Replies

  • Thread

    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 · ·6 Replies

  • Thread

    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 · ·5 Replies

  • File

    processing.c

    stdint.h> #include <stdbool.h> /* --------------- Special Include Files / Librarys ------ */ #include "tm_stm32f4_adc.h" #include "tm_stm32f4_hd44780.h" /* -------------- Projekt Include Files ---------------- */ #include "processing.h" #include "config.h" #include "tools.h" #include "rtc_user.h" #include "

    in „Organisation der Header und Includes“ · Mikrocontroller und Digitale Elektronik ·

  • Thread

    Error on While loop

    Hi there :-) Im building on a project with the STM32. So using the GCC V 4.3.0 (WinARM_20080331_testing) I got into the following problem: the usual while( a <50){ ++a; } works just fine! Then one time I used : { ++a; }while( a<50 ); of course

    µC & Digital Electronics ·Lain Iwakura · ·3 Replies

  • Thread

    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 · ·4 Replies

  • Thread

    openocd target program issue

    objcopy OD = $(CROSS_COMPILE)objdump CFLAGS = -I./ -c -fno-common -O0 -g AFLAGS = -ahls -mapcs-32 -o crt.o LFLAGS = -Map main.map -Tdemo_at91sam7_blink_ram.cmd CPFLAGS = --output-target=binary ODFLAGS = -x --syms OBJECTS = crt.o main.o timerisr.o timersetup.o isrsupport.o lowlevelinit.o blinker.o

    also watch/modify openOCD commands/responses by "telnet localhost 4444" command. For target chip STM32F103, for me works: target remote localhost:3333 monitor soft_reset_halt monitor soft_reset_halt monitor soft_reset_halt monitor reset halt load monitor soft_reset_halt break main continue

    µC & Digital Electronics ·new kid · ·1 Replies

  • Thread

    Yagarto GCC and Cortex M3

    Wno-cast-qual -Wno-missing-prototypes -Wno-strict-prototypes -Wno-missing-declarations L_FLAGS = -T stm32f10x_md.ld \ -nostartfiles -Wl,--gc-sections \ -lc -lm -lgcc \ -mfpu=vfp -msoft-float [/code] As you can see, I tried -mfpu=vfp -msoft-float, but it did not work

    µC & Digital Electronics ·Tony Whitehall · ·5 Replies