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Questions - stm32f4

Unable to start debug session with OpenOCD/Clion

I'm currently trying to set up CLion for embedded development. Running 'build' by itself creates the executable without any issues, but trying to start the debugger fails with the following error: /u...
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tiradoe

stm32

clion

stm32f4

Votes: 0

Answers: 2

Latest Answer

Managed to figure this one out. The issue is with the current version of OpenOCD not fully supporting STM32 devices. ST Microelectronics does provide their own version of OpenOCD that fixed the issu...
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tiradoe

STM32F4 Timer Triggered DMA SPI – NSS Problem

I have a STM32F417IG microcontroller an external 16bit-DAC (TI DAC81404) that is supposed to generate a Signal with a sampling rate of 32kHz. The communication via SPI should not involve any CPU resou...
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enrpr

stm32

spi

stm32f4

dac

Votes: 0

Answers: 1

Latest Answer

This is a tricky one. It might be difficult to avoid having one interrupt per sample with this combination of DAC and microcontroller. However, one approach I would look at is to have the CS signal c...
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Tom V

Strange Issue with STMF407 RTC - only counting once, but counting regularily when Breakpoint is set

I have a strange issue with the RTC of an STM32 F407 in one of my projects. Abstract: The function HAL_RTC_GetTime(...) updates the output value only once, then remains at the same valule, but it upda...
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Chris_B

stm32

stm32f4

real-time-clock

Votes: 0

Answers: 1

Latest Answer

Solved! The trick is: you have to read the Date after reading the time on an STM32F40x! see: https://community.st.com/s/question/0D73W000001Nvn5SAC Obviously the "Live Expression" probe in t...
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Chris_B

LWIP CGI handler - Sending data back to webpage instead of returning a filename

I'm running an LWIP http webserver on an STM32F4 discovery board. It displays a webpage when its IP address is entered on a web broswer. I need to send a string back to the webpage when the LWIP CGI h...
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Arun Cheriyan

cgi

stm32

iot

stm32f4

lwip

Votes: 0

Answers: 1

Latest Answer

You can use lwIP SSI (Server-Side Includes) for this. See documentation on configuration #define switches. The HTTP server documentation has some information on SSI, and there's also some SSI example ...
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Pinetwig

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