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How do I set ADC DMA sample rate?

Hi there,I'm using DMA to circular sample ADC channels. I'm getting the ADC complete interrupt - its all good. The question is, how do I set the sampling rate of the DMA, let's say that I need those samples every 2 milisec - how to I set the DMA to p...

LSmil.1 by Associate II
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Resolved! Problem using DMA and a timer while CPU is in sleep mode

I'm completely baffled as to how to make DMA and sleep mode work together on an STM32F0. I presume though that the issue is not family specific. It appears when the CPU enters sleep mode via the WFI instruction, DMA stops working. If a busy loop is u...

neoxic by Associate II
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STM32L431 VBAT issue -- CLOSED

For whatever reason, I can't delete this post. It is closed, see resolution below.--------------------------Hello. We made a board that powers the VBAT pin of a ​STM32L431RCT6 directly from a coin cell battery. The LSE and RTC work well. But we reali...

JLemi by Associate III
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I2C bus monitor

I want to make i2c monitor that can read data sent by slave with specific address (0x42). So monitor has to capture sequence of​1. Start2. Slave address (write)3. Command byte 4. Repeated start 5. Slave address (read)And then start reading actual dat...

GBoft.1 by Associate
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Resolved! STM32 DIMMER LEDS BRIGHTNESS

I have 36 leds on my board. I will connect dimmer my board. How can i adjust leds brightness with dimmer? Because i need to manage 36 output pins. How can i do it?

KAnahar by Associate III
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  • 2 replies
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