STM32 MCUs Products

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External Flash Loader linker script file

I'm trying to make a custom external flash loader for my STM32F746 uC based board and i found some templates for this purpose from this link that is belongs to the ST workshop on this YouTube link. So when i dug into the corresponding files i saw tha...

ARost.9 by Associate III
  • 2674 Views
  • 9 replies
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Thermostat Function Problem

Hello Everyone!I have the problem with function below.When I have a Hyst>0 function is working well.Below Set Point, the function returns 0, and above SetPoint+Hyst the function returns 1.Something similar as Thermostat is operating.But when Hyst<0, ...

USolar by Associate III
  • 670 Views
  • 4 replies
  • 1 kudos

Do you have some idea to setting-up an unknown state, caused by another device slower than the STM32 to be started ?

Hello,I'm having a STM32F407 and when I'm using the UART connectivity, connected at another device unplugged and with an unknown state, this unknown state cause, sometimes, an abnormal starting of my STM32F407.My other device is a Raspberry Pi, which...

STM32U5 RTC min and sec count to more than 59

Hi I am trying to get the RTC to work on the STM32U5 Nucleo board. But when I read out the time I sometimes get a second and minute value that is more than 59. Any ideas as to how that happens? I have checked that it is not because I write a higher ...

0693W00000GX2L1QAL.png 0693W00000GX2L1QAL.png
APede.1 by Associate II
  • 868 Views
  • 3 replies
  • 0 kudos

How to use slave mode on a STM32F429 ?

I have to use two STM32F429 discovery kits. One as a master and the other as a slave in a I2C protocol. My problem is about the slave one. I don't know how to get the address belongs to its and if it doesn't need how the slave will understand that it...

Malva.1 by Associate
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  • 2 replies
  • 0 kudos

STM32H725VGT6 UART DMA Receive not working

Hello,As mentioned in DMA is not working on STM32H7 devicesI applied solution before DMA receiveSCB_InvalidateDCache_by_Addr((uint32_t*)(((uint32_t)rx_buffer) & ~(uint32_t)0x1F), RX_LENGTH+32);but it just get stuck in this instruction and not executi...

DPate.5 by Associate
  • 699 Views
  • 3 replies
  • 0 kudos