• regarding pwm issue in stm32f4 discovery board
    hi all, i am using the stm32f4 discovery board to drive my stepper motor in the rpm of between 0.001 to 500 RPM. for this i am using pwm. my clock frequency is 32MHZ and prescale for ABP1 is divided...
  • ethernet connection program stm32f4 discovery board
    Hi, I am doing my pump project using stm32f407vg controller. I want to control my device through pc. where i have developed a .NET software for various parameters. through that i want to control the...
  • Audio Amplification using microcontroller???
    Hi everyone!!! i'm new to STM32f4. i was wondering if this microcontroller can amplify an input analog signal through audio jack i.e an audio signal and produce amplified voltage at any gpio pin...
  • CTRLSTAT = 0xffffffff
    Sir, I am working on Cortex-M4 over serial wire debug protocol, i am able to read IDCODE(0x2ba01477) which is correct as per arm cortex m4 technical reference manual, and i am writing 0x50000000 to CTRLSTAT...
  • How can I force a Usage (instruction) exception in cortex m4
    I want to test all my exception handlers; but have so far failed miserably at forcing a usage exception. I tried disabling FPU and running a FPU instruction, but this resulted in HARD Fault rather...