STM32 MCUs Products

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Resolved! 0.5 MSPS external ADC

Hello,I want to use a STM32F7 to retrieve ADC measurements from an external ADC over SPI (16-bit read operation to retrieve the measurement). In theory, it should be possible.My question is: how can I retrieve the measurements minimizing the host pro...

Stabilo by Associate III
  • 2015 Views
  • 8 replies
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I am currently using a STM32G081b eval board with a STM32G474QE MCU I am using the demoucpd example code modded to supply power and display?

Currently have the code working on most laptops and tablets I have tested to provide power along with display. However currently testing on a windows surface tablet and its doing strange things please attached cfg fie. Any ideas or help would be very...

NApps.1 by Associate II
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  • 0 replies
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Resolved! STM32G0 Nucleo DMA Question

I use nucleo-g071rb board. I want to read Infrared datas via IR Led and send it to another IR receivers with different IR Led. For purpose I used timer2's channel 1 with input capture direct mode. I used dma here to see datas. I have a problem with d...

fozen.1 by Associate
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  • 3 replies
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How to use FMAC only with CMSIS (STM32G474RE)?

Hi! I need to use FMAC peripheral without any HAL or LL. So, according to RM0440, and AN5305 i`ve got code that works just fine for FIR and IIR filters, but only with coefficients that less than 1. For example, i divided both A and B coeffs by 4 and ...

Resolved! Suggestion regarding FOTA with stm32f405 and gsm module.

Hello,I wanted to know some suggestion regarding a project, and adding FOTA support in it.The project is stm32f405 based and it configures the gsm module as a server and one can make request and get response using https request.I wanted to update the...

Manny by Associate III
  • 977 Views
  • 3 replies
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Resolved! Nested the same Interrupt on STM32F446RC

Hello community,It is possible that an interrupt will be nested over itsef?I mean, I have one interrupt EXTI0_IRQHandler() and inside the interrupt I am waiting an event that requires the execution of the same interrupt. I read the PM0214 and it is s...

VAlar.1 by Associate II
  • 1269 Views
  • 4 replies
  • 0 kudos

How to save const data array in STM32F7 QSPI memory?

Hi,I am using STM32F746G_DISCOVERY board.In the QSPI_PreInitConfig example, how to put const array data to QSPI flash? I try to declare as follows, but cannot pass compiler. error: 'img2' causes a section type conflict with 'GpioToggle'. I notice th...

JChen.24 by Associate III
  • 1308 Views
  • 7 replies
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STM32L412KB USART1 problem with HSI Clock. Why when I use HSI clock for the USART 1 the serial communication doesn't work propretly?

Hi Everybody,I'm using a nucleo board with STM32L412KB and I try to learn how to use the STOP mode. I want to put the micro in STOP mode and reactivate it whit a command via USART. I put the UASART baudrate at 115200 and use the HSI clock. (see clock...

Mscac.1 by Associate
  • 1366 Views
  • 1 replies
  • 2 kudos