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Where do I find a working example of configuring and compiling the Opus codec library on a Linux machine for an STM32F407 target?

Something along the lines of: ./configure CFLAGS="-O2 -mfpu=neon -mthumb -mcpu=cortex-m4" LDFLAGS="--specs=nosys.specs" --host=arm-none-eabi --disable-rtcd --enable-fixed-pointStill having issues with make errors, e.g., celt_pitch_xcorr_arm-gnu.S:54...

DBust.1 by • Associate
  • 537 Views
  • 1 replies
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Setting of GPIO PUPDR and OTYPER for SPI pins

Hello,I know it sounds like a basic and dumb question but I actually didn't find the answer.I have communication issues between 2 STM32H743 based Nucleos.On the master I use SPI1.If I use SPI1 on the Slave it works fine (repeated send/receive communi...

Gpeti by • Senior II
  • 4981 Views
  • 18 replies
  • 0 kudos

How detect a rising edge ?

Hi,I have a school projet about preventive maintenance on WC. Due to the COVID-19, we no longer have access to the material, but we have to try to continue the project.We use a turbine which is connected to the water access (in the WC) and it will be...

P07 by • Associate
  • 518 Views
  • 1 replies
  • 0 kudos

Low Power mode on STM32L486 with RTOS

Hi,I'm working on a custom board based on STM32L486 MCU, the microcontroller will stay most of the time in standby and will wake up using a physical button connected to SYS_WKUP3. This to say that the overall board consumption have to be as low as po...

GFavr by • Associate II
  • 433 Views
  • 0 replies
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Resolved! TIMER 1 PWM Mode, What am I missing

Hi All,I want to use timer 1 for my double pulse test. To start with though I want to get it going in a simple PWM mode at first.I have gone trhough the reference amnual several times and looked at the block diagrams. I have got the registers intial...

glenn0010 by • Associate III
  • 1449 Views
  • 5 replies
  • 0 kudos

STM32F429ZI Flash Problem. MCU sets FLASH->SR bits: PGPERR and PGSERR all the time even it is cleared just before.

MCU sets FLASH->SR bits: PGPERR and PGSERR all the time even immediately after it is cleared. It causes a problem with erasing flash memory. I am using RTOS(TIM1 as a base), Timers and Systick as well but I think those shouldn't be a problem.Code is...

slawek by • Associate III
  • 1096 Views
  • 3 replies
  • 1 kudos

STM32F4 UART extra byte sent at startup

Hi all, I'm running an application where I got to initialize an UART (by interruption) transmission at power up . So I'm a initializing like this : HAL_UART_MspInit(&huart5); MX_UART5_Init();There are the basic functions from STM32 Cube MX... When th...

Nomu by • Associate II
  • 2146 Views
  • 7 replies
  • 0 kudos

STM32F429ZI Flash programming: Spurious PGPERR and PGSERR

I'm writing a firmware on a STM32F429ZI Discovery board. The firmware runs on Flash bank1 and erases/programs Flash bank2. When I try to erase or program bank2 the error flags PGPERR and/or PGSERR will be set without any plausible reason.Example:FL...

SFahr by • Associate III
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  • 1 replies
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