• Processor halt in __libc_init_array assembler function
    Hi, I'm working with dual ARM Corte-A9 in FPGA Zynq7000. I have three diferents hw with same software ( .elf and same files configuration linker script ). My problem is that SW works fine only in one...
  • How generic are Cortex-M0+ MCUs?
    I'm just getting started in the Arm world and I'm trying to get a better understanding of the similarities between various vendor implementations of the Cortex-M0+ at the toolchain level. I have previously...
  • Using STM32F407VG MCU chip alone
    Good morning everybody .. I'm working on a project in which I use STM32F407VG MCU .. it works perfectly on discovey board now I bought the chip alone and want to design a circuit that I can program with...
  • Cortex-M RTOS related exceptions and concepts
    Hello, Recently, I came back to digging into RTOS working principles at the lowest level on Cortex-M family processors. I understand the concept of SysTick (or other time base), SVC and PendSV as RTOS...
  • Bootloader. VTOR, BOOTPROT FUSE, JUMP to app and other related questions
    Hello everyone! I am writing here because I am having some issues developing my own bootloader. I am currently working with an ATMEL SAM R21 which has an ARM CORTEX M0+ in it. Firstly I am going to summarize...