FAQs

STM32 MCUs Products

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

cancel
Turn on suggestions
Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Sign In to Post

Resolved! Circular buffer resetting start point?

I'm trying to use DMA to handle my incoming Rx data and, ideally, I'd like to just increment the index to keep track of the incoming data, essentially like this:#define uartsize 2000 #define dma_buffer_interrupt_size 1   uint8_t UART_in_Buffer[uarts...

JayDev by • Senior II
  • 3149 Views
  • 2 replies
  • 0 kudos

Resolved! stm32h743 adc1 eos flag will not be set until I read the DR

Hi all, recently I am trying to use ADC to sample 4 channel current signals. Since there is no critical time requirement, I plan to use scan mode. In my opinion, the ADC will automatically complete four channel signal conversion stuff, then set the...

Whono.1 by • Associate II
  • 3385 Views
  • 7 replies
  • 5 kudos

STM32L4Rxxx OctoSPI with PSRAM

Dear All,In "RM0432 Reference manual STM32L4+ Series advanced Arm ® -based 32-bit MCUs" in chapter "19.3 OCTOSPI implementation" and table "Table 119. OCTOSPI implementation" there are some differences in supported features between families. All fami...

Resolved! INVPC occurs when SVC Handler returns

I use STM32F1 Value Line Discovery Kit.​I want to write SVC handler.If I implement the following, invpc occurs when running 「POP PC�?in Line 38.Caller -------------------------------- __asm volatile(" SVC %0 \n" : : "I" (2)); ...

Myasu.1 by • Senior
  • 1406 Views
  • 4 replies
  • 0 kudos

STM32F103C8T6 sending data over I2C via DMA

Greetings!I have "blue pil" stm32f103c8t6 and I want to send data over I2C via DMA. "Classic" way is working fine (I'm sending data to 2004 display through PCF8574 extender), but I can't get it working with DMA.BTF flag isn't set and the loop becomes...

STM32G474 CAN FD no priorization of CAN IDs?

I have multiple CAN FD Participant which are configured the same way:if (canFdMode == canFdModes_2mbit) { hfdcan1.Instance = FDCAN1; hfdcan1.Init.ClockDivider = FDCAN_CLOCK_DIV1; hfdcan1.Init.FrameFormat = FDCAN_FRAME_FD_BRS; hfdcan1.Init.Mod...

ATrug.1 by • Associate II
  • 716 Views
  • 1 replies
  • 0 kudos
Top