• Debugging a Cortex-M0 Hard Fault

    Andy Neil
    Andy Neil

    There's many references to Debugging a Hard Fault on Cortex-M3 & M4; eg

    niallcooling's Developing a Generic Hard Fault handler for Armv7-M

    also:

    http://supp.iar.com/Support/?Note=23721

    https://community.freescale.com/thread/306244 - which…

    • Answered
    • over 6 years ago
    • System
    • Embedded forum

  • Unable to set software breakpoints in IAR IDE

    Simone
    Simone

    I'm using IAR Embedded Workbench to debug a Cortex-M0 system interfaced through ST-LINK/V2 SWD. The processor isn't officially supported because it is under development, but the configuration files have been updated with correct data. I'm not sure however…

    • Answered
    • over 5 years ago
    • System
    • Embedded forum

  • How can CLZ equivalent be achieved on Cortex-M0 where this instruction is missing?

    Sunil K
    Sunil K

    Looking for alternates for this instruction.

    • Answered
    • over 5 years ago
    • System
    • Embedded forum

  • ARM microcontrollers in sd cards?

    Mike Clark
    Mike Clark

    Which ARM Microcontrollers are embedded in current SD Cards? The Motorola 8051 tends to get mentioned in this connection, with occasional, vague references to ARM. So, which specific ARM technologies are used for this purpose, and what kind of embedded…

    • Answered
    • over 5 years ago
    • System
    • Embedded forum

  • Some questions about the LPC810

    Jerome Decamps - 杜尚杰
    Jerome Decamps - 杜尚杰

    Hi the experts,

    I'm not sure but i think that chip can realy help myself in my actual projet. i wanna get  precisions about this chip.

    sot097-2_3d.gif

    In the technical datasheet i can read this :

    ARM Cortex M0+ with 4KB flash and 1KB SRAM

    • 2x USART
    • 1x I2C
    • 1x SPI
    • 4x…
    • Answered
    • over 5 years ago
    • System
    • Embedded forum

  • Does the Cortex M0+  Single-Cycle IO Bus have an address bus to decode multiple IO sets for read and write?

    Alan Carr
    Alan Carr

    I have an interest in the M0+ single-cycle IO Bus interface.

    It seems that while the TRM describes a 32-bit bus, and a memory map it isn't clear if there is also an address bus to go along with this.

    When instantiating do we have an IO address bus,…

    • Answered
    • over 5 years ago
    • System
    • Embedded forum

  • Sharing about the famous LCP1114FN28

    Jerome Decamps - 杜尚杰
    Jerome Decamps - 杜尚杰

    Hi,

    I'm making test some on the famous LPC1114FN28 is there somebody who have some experience about it ?
    Please, thank for sharing here

    250x250xLPC1114_1.jpg.250x250_q85.jpg.pagespeed.ic.3sWDuPJKyE.webp

    Here is the beast

    xpinout_dip28-20150119-.png.pagespeed.ic.xsp2MmDHYf.png

    And the pinout informations

    • over 4 years ago
    • System
    • Embedded forum

  • How to change the BMI(Boot Mode Index) with Serial Wire Debug Protocol???

    harshan
    harshan

    Greetings,

    sir/madam i am working on serial wire debug protocol. I was implemented serial wire debug protocol, which was successfully tested for used controllers like xmc1100,xmc4500..etc, when i tried to Access the control on newer controller i.e xmc1100…

    • Answered
    • over 4 years ago
    • System
    • Embedded forum

  • Align source and assembly

    Poonam
    Poonam

    I have a source file, converted it to assembly and added 2 instructions and generated the final elf. When I load this final elf, symbols doesnt match the source due to assembly instructions addition.

    Is there a way to align them ? am using ARM cortex-M4…

    • over 4 years ago
    • System
    • Embedded forum

  • Reach 200 degre celsius with the temperature sensor in the ATSAM20Dj18a

    carrelito
    carrelito

    Hi, i'm working with the ATSAM20DJ18A (using ASF) and i'm doing some temperature monitoring. But it seems like I'am stucked at 169 degre celsius. Is there a way maybe by changing the ADC reference to mesure 200 degre celsius?

    Regards,

    • Answered
    • over 4 years ago
    • System
    • Embedded forum

  • Cortex M0 internal Failure solution for ALU, CPU and Register rong results

    Shashi Bhushan85
    Shashi Bhushan85

    Hello All,

    I am using Cortex M0 based controller and want to know if the following issues can happen and what can be the possible solution by software to handle the issues:

    1. ALU resulting wrong result run time.

    2. Register access giving wrong results run…

    • Answered
    • over 4 years ago
    • System
    • Embedded forum

  • I want to learn RTOS in ARM Cortex-M Processors.

    Arun
    Arun

    Hi, I wanted to  start learning RTOS in ARM Cortex M Processors. I currently work on Cortex M0 IC provided by Nuvoton where I use the BSP to get things done.

    Now I need to move a step ahead and start learning RTOS and Implement it .

    I had gone through…

    • Answered
    • over 3 years ago
    • System
    • Embedded forum

  • WFI Instruction

    Arun
    Arun

    Hi,

    I want to use the wfi instruction in my code. I'm sending a command to a module and wait for the reply.

    I have configured UART communication with the module. Will it be good to use wfi() instruction? I know that it will turn  the cpu to power down…

    • Answered
    • over 3 years ago
    • System
    • Embedded forum

  • Flashing STM32L0

    sarthak.kelapure
    sarthak.kelapure

    I have made a custom board for STM32L072CZ by ST. I am flashing it using STM32Cube Programmer via UART. When I flash it, I get the application running(say blinking LED) for the first time and as soon as I reset it, the application stops running. I checked…

    • over 2 years ago
    • System
    • SoC Design forum

  • [Cortex M0] Number of clock cycles for LDR instruction

    Mohammed Aboelnasr
    Mohammed Aboelnasr

    Hello,

    I need to know the exact number of the clock cycles per each instruction in terms of the system clock frequency especially the "LDR" instruction

    Here is the needed instruction: "LDR r3,[r1]" 

    Note that r1 is an address in the…

    • over 2 years ago
    • System
    • Embedded forum

  • Stick timer

    Mahi
    Mahi

    i am using LPC11C24FBD48 Controller and i initialized the Stick timer but when i run the code it is going to Hard fault handler.

    __STATIC_INLINE uint32_t SysTick_Config(uint32_t ticks)
    {
    if (ticks > SysTick_LOAD_RELOAD_Msk) return (1); /* Reload value…

    • over 2 years ago
    • System
    • Embedded forum

  • Cortex M series and their compatibility

    Prsr
    Prsr

    Hello ,

    I am new to ARM. I have a particular software package written to the Cortex  M0+ MCU. How can I evaluate that these libraries will be compatible with other type of cortex M series microcontrollers. I need to perform a porting from the given MCU…

    • over 1 year ago
    • System
    • Embedded forum

  • Are CMSIS drivers for Flash portable on all Cortex M0(vendor independent)?

    MA1993
    MA1993

    I am writing open source easy to use top level Flash drivers which are portable to use on all Cortex M0 devices (vendor independent). So I was thinking of using CMSIS flash drivers as my low level block. So are CMSIS flash driver portable on all Cortex…

    • Answered
    • over 1 year ago
    • System
    • Embedded forum

  • Please, recommend a book to learn coding in assembly

    ihartavi
    ihartavi

    Dear all,

    I really appreciate if someone recommend a book to learn coding in assembly. The target processor is STM32F0. Anyone there?

    I already checked those of Joseph Yiu. Actually, I need a book with clear examples. 

    Best regards!

    • over 1 year ago
    • System
    • Embedded forum

  • SRAM for Cortex M0 -- Does It Need to Support Byte write?

    Ming
    Ming

    For the SRAM with Cortex M0, does it need to support byte write?

    What restrictions do I have with Cortex M0 if the SRAM only support 32-bit write?

    • over 5 years ago
    • System
    • SoC Design forum

  • Bluetooth connection with ATBTLC1000-XPRO

    Varun Raman
    Varun Raman

    Hello all,

    I have access to both a SAMDA1-XPRO and a SAMC21-XPRO. I also have an ATBTCL1000-XPRO with which I need to establish a bluetooth connection to a smartphone. I powered up the ATBTLC1000-XPRO which was connected to the SAMC21-XPRO and tried locating…

    • over 4 years ago
    • System
    • Embedded forum
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