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STM32L0 LPUART not wakeup on stop mode

Hello everyone,I'm working on a project with an STM32L072CBT6.In my project, i use a LPUART1 and USART1 to send and receive data. Connected to this i use a DMA to get data.My projet works fine so i try to implement stop mode to reduce consumption.In ...

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MLam by Associate III
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  • 1 replies
  • 2 kudos

Resolved! Cannot get SPI woriking on STM32L0

Greetings good people of ST communityI have a problem which I didn't manage to solve by myself, so I am hoping to get some help if possibleI have an LPS22HB sensor (https://eu.mouser.com/datasheet/2/389/lps22hb-1849683.pdf), and I want to connect it ...

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JZida.1 by Associate II
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  • 3 replies
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How to reduce the time between SPI (DMA) transactions

I need to transfer a large amount of bits over SPI de-asserting/asserting the select line very 64 bits. I'm using DMA. The time between transmissions is huge, as can be seen below:The pink channel is SCK, each chunk is 64 bits. The code is below:whil...

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DGast.1 by Associate III
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  • 3 replies
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Recovering from a failed I2C transfer

I am using HAL_I2C_Master_Transmit(). That generally works well. However, I sometimes run into an issue when the slave device is not responding. HAL_I2C_MasterTransmit() obviously returns an error after running into timeout, as it should. But then I ...