STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Resolved! Make EXTI generates a request to DMA1 on STM32H7

Hi,I'm trying to trig a DMA from the EXTI0 input. There is a good example in the STM32Cube package for the H7: Projects\STM32H743I-EVAL\Examples\DMA\DMAMUX_RequestGenBut this example uses the BDMA and I need to use the DMA1. I tried to make some modi...

GregB by Associate II
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  • 3 replies
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Why enter the ISO in/out incomplete interrupt? STM32CubeExpansion_USBAudioStreaming_V1.0.0 UAC MCU STM32L476

Hi all:If I plug in USB 2.0 mode high speed port(PC recognition Windows7), ​frequently enter the ISO in/out incomplete interrupt. but if I plug in USB1.0 mode full speed port,is OK. Once enter the incomplete interrupt.record or playback, audio will b...

gfeng by Associate
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  • 0 replies
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Resolved! HRTIM update using LL is too slow

Hi Everyone,I am trying to run HRTIM Master unit with repetition interrupt and the repetition counter is 1. Now, when I am in interrupt I have to update compare and period registers and using LL to do so. But, within interrupt merely updating registe...

MYAQO.1 by Associate II
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  • 7 replies
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RTOS is not working in STM32F072.

I have created a project in STM32CubeIDE with UART and some GPIO's as Input and Output.I have created 2 Tasks using FreeRTOS - CMSIS v1(osPriorityNormal, osPriorityBelowNormal) with different osDelay(osDelay(500);, osDelay(600);). I have compiled and...

AP.6 by Associate
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  • 1 replies
  • 1 kudos

STA8090WG CAN and USB

Hello,We are interesting STA8090WG as they support both CAN and GPS.However, after simply review with data sheet, I have some questionsIs it right ? Once we use CAN, we can't use USB since those are alternated with same pin.Can we get reference schem...

HKwon.2 by Associate
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  • 0 replies
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Bad init in LL for systick.

I try use systick handler in STM32G0 uC, i use LL libray. In funcion to activate Systick ( void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks) ) is a bug.The error consists in incorrect setting of the SysTick-> CTRL (STK_CSR) configuration regis...

PKuni.1 by Associate
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  • 1 replies
  • 0 kudos