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Resolved! increment and decrement of 7 segment(0-99 count) using 2 buttons in embedded C on keil microvision 5 and simulation on proteus

Question: Interface two seven-segment LED displays to Port C of STM32F4 MCU that mustincrement and show the rolling of two digits from 00 onwards, to a max of 99, when aswitch SW1 (PB0) is pressed. And must decrement when the user is pressing SW2(PB1...

AMall.4 by • Associate II
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  • 4 replies
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Doubt about interrupt priority

Hi, I have a doubt about interrupt priority.Let's say we have two ISRs for two interrupts: interrupt A and interrupt B, where A has a higher priority than B.If the ISR of B is running and an interrupt A arrives, then the ISR B is interrupted, that of...

STM32H7 UART DMA TX/RX issues

We are currently seeing issues while trying to get UART communication working : we have have 2 stm32h7 (STM32H753) boards connected via RS-232. On board 1 we are sending 4kB of data each second and on board 2 we are receiving this data.Tx on board 1 ...

GStee.2 by • Associate II
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  • 24 replies
  • 1 kudos

Resolved! Hi! I am searching for a suitable MCU and I am not sure if STM32 or SPC5 are the correct controllers. Deatails on the project:

The project is in the e-mobility sector (pedelecs, e-bikes)the MCU needs to be compliant with SAFERTOS and SIL levelselectric engine and electric generator signal regulationCAN bus compatibledisplay compatible (LCD or TFT)ADC/DAC featuresbluetooth an...

STM32L443 internal flash memory write problem.

Hi everyone,I using STM32L443 MCU . If we write 0xFF again on the page we have cleaned, can I not write the 0xBC parameter of the example we want on it? Do I have to clear the address I want to write before writing, even if it is 0xFF?

Resolved! STM32CubeIDE adding code to main.c - code disappears

Is there a rule where to put code into main.c so that it stays there permanently? It happended to me now a couple of times that I added an interrupt callback function which suddenly disappeared. Are there areas in main.c where to safely put those?

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