About ATurp.11

ATurp.11 · 2021-01-25

Hello,I am using a STM32G473VET6 on my board, and I want to save a few data bytes in Flash when the 24V power supply drops. I have more than 400ms available between the detection by the MCU and the 3.3V dropping. When the ADC triggers this event, the...

ATurp.11 · 2021-01-27

It is what I did, I can see the different toggles for the writing stepsI may have wrong but I understand there is no WORD or HALFWORD mode. But there is a fast program mode that I am trying to make it work

ATurp.11 · 2021-01-27

Yes the page is really erased. If I perform only erasing in the ISR, it works. I can check it in memory at power on.To debug, as you said, I simulate a power down to short-circuit the bottom resistor of voltage divider user to measure the voltage pow...

ATurp.11 · 2021-01-27

I am still stuck on this problem which drives me crazy.The STM32 receives instructions from UART. One of these allows to save the data in Flash, just like I try to do ://run in main context void Communication::readFrames() { //other stuff before ...

ATurp.11 · 2021-01-27

memcpy(destination, source, N);N is a number of bytes, we don't care if destination is an uint64_t* or whatever

ATurp.11 · 2021-01-26

Something else to make the problem clearer :If I try to call the following function (one line different from the first post), in my ISR, it works !bool Config::saveConfigFlash(){ uint32_t pageError; FLASH_EraseInitTypeDef pEraseInit; pEraseInit....

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Write data to flash when power supply drops

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