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Forum Posts

Arm Assembly Timer İnterrupt

Hi everyoneI'm trying to write the timer interrupt code I wrote in C (pa3 pin blinks at 10 ms intervals) with arm assembly language, but it doesn't work.I don't know exactly how to do the timer interrupt in assembly language.I tried to write my own c...

Bicer by Associate II
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Scanning multiple channels using polling on STM32f401Re

Dear ST community,I am using ADC to measure different voltages and I need a total of 15 channels and I need to measure ADC in a polling mechanism. When I useHAL_ADC_GetValue(&hadc1);It gives me value for only one ADC channel I am unable to receive va...

Maaz by Associate
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  • 2 replies
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DMA UART transfer error "HAL_DMA_ERROR_TE"

Hi all,I'm trying to setup a DMA TX UART code using STM32H743VI MCU. The problem I'm facing right now is every time I call HAL_UART_Transmit_DMA function, I get a HAL_DMA_ERROR_TE in my DMA error call-back. The actual line of code is as follows:char ...

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Zahme.2 by Associate II
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Resolved! How to use TIM2 ETR and TIM2 CH1 at the same time?

On F4 (and also other families) The TIM2_ETR and TIM2_CH1 are both on the same pins.The pins are PA0, PA5 and PA15.How can I configure the timer/gpio to get ETR on PA5 and CH1 on PA15 ?The alternate function numbers are the same for ETR and CH1...I n...