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STM32H743 3ADC's With DMA

I have implemented 3 ADC with DMA. ADC1 with DMA1 stream 0 , ADC2 with DMA2 stream 0 and ADC3 with BDMA channel 0 Resolution : 16 bit , ADC clock : 7MHZ , Sample : 8.5 cyclesAll these ADC are Time trigger for that i am using timer 1 as center aligned...

Kanna by Associate III
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  • 8 replies
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STM32 Nucleo I2C Slave answer with Interrupt

Hello, everyoneI'm trying to make an I2C slave with a Nucleo-F401RE.Writing from Master (Raspberry) to Slave (Nucleo) works very well.But the response of the Slave (Nucleo) to a read command from the master (Raspberry) does not work.I tried a very si...

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SBühl.1 by Associate
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  • 1 replies
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Resolved! Wake-up from RTC-alarm works only once

I am trying to set RTC-alarm event to wake up an STM32F103C8T6 from sleep-mode (not standby, not stop) and it works once, but subsequent alarms never wake the MCU up. Nothing I've tried seems to work and I no longer have any idea how to fix this.The ...

Resolved! Trouble with multiple ADCs and DMA

I'm trying to get ADC values from multiple channels of ADC1 of STM32F103C8T6 using DMA where conversion is triggered by TIM3 every 1ms. However, I'm not seeing the right values. I tried the polling mode and that worked fine. Here is the main function...

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remarks about ST quality of education

Hello,My goal is to evaluate several ARM Cortex-M4F chip manufactures and select the one that best fits my needs for building IoT devices. I will admit that I am on the learning curve and that I’m doing this on my spare time. I’ve read a lot of books...

gdori.1 by Associate II
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  • 5 replies
  • 1 kudos

Hard fault on SPI write DR register

I have a STM32L412 on a nucleo board. In the debugger, the processor gets a hard fault after a random period of time. I have narrowed this down to when my app writes to the SPI DR register. Most of the time, this works ok (I can drive a TFT display),...

SLevi.1 by Associate III
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  • 7 replies
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