About MPetr.3

MPetr.3 · 2021-04-14

Hello community,I implemented a microsecond delay on a STM32L5 microprocessor using the "Data watchpoint and trace unit" (DWT). I am initialising the unit and count the DWT->CYCCNT down until my delay has passed.This works totally fine when the Debug...

MPetr.3 · 2021-03-23

Hello community,I want to program the STM32U5 series microcontroller and therefore need the firmware/embedded software package of the U5-series to use it with the STM32CUBEIDE program.It seems like it is not yet available in the STM32CUBEIDE as well ...

MPetr.3 · 2021-03-03

Hello Community,I am programming the STM32L562E-DK discovery board and working with the Standby low-power mode. In the data sheet there are 3 standby variations explained:Standby with Full SRAM2 data retentionStandby with 4kB SRAM2 data retentionStan...

MPetr.3 · 2020-12-09

Hello Community,I am trying to post-process my just sampled ADC values with the DFSDM sinc-Filter and mainly the oversampler.The problem ist: My DFSDM doesn't output anything. I tried DMA and polling. Polling generates a timeout.I configured the ADC ...

MPetr.3 · 2020-11-27

Hello community,I am working on a STM32L562CETx micro-processor and testing out basic functions. I only use the internal oscillators, no external is connected.I managed to en-/disable GPIO output pins to drive LEDs etc successfully. The Problem is:Us...

MPetr.3 · 2021-03-04

Thank you for your answere Mike.I have checked the errata sheet but sadly this is not the case.It says :Since I am directly transitioning from run mode to standby "with" modes, I don think this errata is valid for my case.I am still looking for a sol...

MPetr.3 · 2020-12-09

Hello,could you provide the full code of your program? What is the source of the DFSDM? Internal/ADC or external?I maybe dont know the answere to your problem, but you could maybe help me with your code:I want to run the DFSDM as an oversampler on my...

MPetr.3 · 2020-12-09

I found the problem. I switched the processor on my board and with a new processor it works perfectly. So it seemed to be a hardware fault.

MPetr.3 · 2020-09-28

Hello,I found a good solution I want to share with you.After inspecting other third-party libs it, as expected, boiled down to pretty much one function, which transfers a frame buffer to the lcd display. This function was just not included in the off...

MPetr.3 · 2020-09-25

I just took a look into the touchGFX lib used at the demo-software at github, and it seems like they use DMA and a framebuffer with 16bit/Pixel.I'm looking for a library like the one TouchGFX uses, but they kind of modified everything.Do you or anybo...

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DWT not running on STM32L5 with Debugger NOT connected

Firmware Package of U5 Series for STM32CUBEIDE ?

Low Power Mode StandBy at STM32L562 - SRAM2 Data retention cannot be disabled

DFSDM with ADC not responding - STM32L562

STM32L562CETx - using only internal oscillators - Systick not increasing, HAL_TIM_Base_Start_IT makes freeze - Interrupt problem

Re: Low Power Mode StandBy at STM32L562 - SRAM2 Data retention cannot be disabled

Re: DFSDM right shift not working with DMA

Re: STM32L562CETx - using only internal oscillators - Systick not increasing, HAL_TIM_Base_Start_IT makes freeze - Interrupt problem

Re: Help needed - STM32L562E-DK - Correct way to efficiently write to TFT LCD-Display, ST7789H2 driver

Re: Help needed - STM32L562E-DK - Correct way to efficiently write to TFT LCD-Display, ST7789H2 driver