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dat mismatch when reading .bin file in stm32 for FOTA

Hi, I want to implement FOTA in stm32, for that I am reading .bin file and send to the controller through UART. And Write that file to the flash memory, All Ihave done this, but there mismatch data beetween .bin file data written on flash.the readi...

ykn by Senior
  • 850 Views
  • 3 replies
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STM32H743 vs STM32H753

I have just started a project and am using the STM32H743. Is there any reason I should switch to the STM32H753? I know they are pin compatible and the 753 has some more advanced crypto features, but I'm more concerned with availability of these parts...

GilRoss by Associate II
  • 1085 Views
  • 3 replies
  • 3 kudos

work out poly

Need a help to work out the formula. I cant get my head around with this to work out. its polynomial with numerator and denominator. what is the formula for this. Thank you FLOAT_TYPE num_coeff[] = {-2.42580348918581e2l, 4.43575581447635e2l, -8.65706...

cjaya.2 by Associate II
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  • 5 replies
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Resolved! F4 I2S cannot resync after noise

I've got the I2S working with DMA as slave receiver, works great, bit perfectly fills receiving buffer,until I restart the master, or introduce noise to I2S bus, then it just loses it, fills buffer with nonsense after that.It's not able to resync to ...

mrx23 by Associate III
  • 1242 Views
  • 4 replies
  • 0 kudos

How supply STM32F446RET6

Hi, I want to design a board using STM32F446RET6 MCU. But I have a question about how to properly power the ADC system, and what the VCap_1 pin is. I read that I need to put a 4.7 uF ceramic capacitor with low ESR there. Below is an introductory grap...

f446_power.png
MSzła.1 by Associate III
  • 1587 Views
  • 7 replies
  • 1 kudos

Resolved! STM32F427VI firmware retrieval

Hi All, Been reading and learning a lot about MCU's in general. I'm very very new to all of this so please bare with me.The board comes with STM32F427, and a custom .exe that can flash directly via USB-C. I've read about fake STM32's, and. I'm not su...

Flushing/resetting DMA state

So DMA can read/write from 16bit SPI DR, to 32bit memory variable, in circular mode,I need to reinit stream, but DMA TX ends up off by one 16bit in destination array,so how can I partially reinit DMA to beginning or array/or even addresses?Without fu...

mrx23 by Associate III
  • 777 Views
  • 2 replies
  • 0 kudos