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Forum Posts

Adc using DMA for sine wave

Hi,​ Iam using DMA technique to digitise a sine wave using nucleo-H743ZI2, where Adc clock frequency is 36.5MHZ . Iam taking single data at a time and sending out using usart with a baud rate of 250000, the issue I am facing is when I increase th...

GHARI.1 by Associate II
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  • 12 replies
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How to debug both cores of the STM32H745 simultaneously?

Hello!i am working with the stm32h745 nucleo 144 board.i want to be able to debug both cores simultaneously using the onboard STLINK debugger, with no luck so far.followed the instructions from this ST document: https://www.st.com/resource/en/applica...

yuri CH by Senior
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  • 2 replies
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How should I build an effective peripheral "driver" ?

I've spent a fair amount of time getting small bits of code working so I can build them up into a larger working application. The code below works but I'm struggling with a way to move the parts related to GPS and the UART into separate files or clas...

magene by Senior II
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  • 1 replies
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Bipolar output from stm32g4 DAC.

Hello, I want to use external audio op amp, OPA1622 of TI. As in the attached photo, this opamp works using bipolar input. So, please guide me how is that possible using the output of STM32G4 DAC. Regards.

Sgupt.1 by Associate
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  • 2 replies
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Optimizing wake up time STM32L0.

I am trying to get an STM32L0 MCU to startup as quickly as possible. The datasheet says 5us wake up time from flash memory, but I am getting nowhere close to this. I loaded a super simple program that just toggles a GPIO and watched it on a logic ana...

TAnde.6 by Associate II
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  • 6 replies
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Resolved! Is this a legit reason to use a global variable?

I understand the general concept of why global variables are not a great idea but I have a specific use that may make sense and I'd like to see if anyone has a better approach.I time stamp a lot of events in my applications and also calculate time in...

magene by Senior II
  • 2174 Views
  • 8 replies
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Feeding the next buffer to SAI DMA

Sorry if this has been answered elsewhere, but I'm not seeing it. For background, I do a lot of work with Nordic, and in their I2S implementation, you feed two buffers to the peripheral, then every time a buffer has been transmitted/received, it swi...

jw56 by Associate III
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  • 5 replies
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