STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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
  • 946 Views
  • 6 replies
  • 0 kudos

Wanting to use external interrupt to turn on internal led.

I am not wanting to use the HAL interface because I want to try and gain experience with the ARM bare metal programming. I have examples online and seem to be following them exactly but the led will not light up when a pin is pulled to ground. I meas...

SRees.2 by Associate II
  • 1407 Views
  • 6 replies
  • 0 kudos

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
  • 699 Views
  • 3 replies
  • 0 kudos

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...