STM32 MCUs products

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Why UART sometimes print twice the message?

/* USER CODE BEGIN Header */ /** ****************************************************************************** * @file : main.c * @brief : Main program body *****************************************************************...

ATeli.1 by Associate III
  • 9 replies
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How to decode RF signal

As a newbie C developer and Stm32 user. I'm trying to develop a 433MHZ RF remote receiver with my custom made board using stm32f030c8t6. I tried to decode the RF signal on an arduino by using rc-switch library, and I can decode the 32bit signals as b...

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STM32H7 + Keil + STLink + Trace?

I've been struggling with this for a while. Is there a good tutorial on how to setup and configure debug printf output? STM32H743 all parameters on pictures attached. No output on printf function + Trace: Data Overflow text in status bar. And on top ...

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Resolved! 2 channels of DMA won't work

Hello, I'm trying to use 2channels of DMA , one for PWM in timer1 and one for reading adc1 using timer3 .dma c2 should give ccr the amount from a uint string[1000](which i deleted from this code for simplifiing to be easier to read) and dma c1 for r...

ap.1 by Associate II
  • 6 replies
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STM32L151CCT6 Freezes when enabling HSI

I have an application where we have the mentioned MCU using the HSI passing through the PLL to achieve 32 MHz on the main clock. But we noticed that the MCU freezes after executing the instruction for enabling the HSI, and as this is an internal circ...

VLe R.1 by Associate II
  • 3 replies
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OctoSPI Polling Sends too many bytes

I've got my OctoSPI interface working for NOR reads and writes, but Auto-polling is sending too many bytes. The Data Length Register (DLR) is set to 0, for one byte of data, but I get the instruction plus two bytes. If I set the DLR to 1, I get...