STM32 MCUs Embedded software

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sd fatfs can only change letters

Hello,I'm using fatfs by chan with this SD driver http://stm32f4-discovery.net/2014/07/library-21-read-sd-card-fatfs-stm32f4xx-devices/ and with my own SPI driver. I have successfully mounted and opened a file but when I try to write using f_puts, it...

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EPora.1 by Associate II
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Enabling the UCPD DMA

Hello. I'm using an STM32G071KBU6N in a USBPD application. My application uses both internal UCPD ports.I'm working on enabling the DMA and DMAMUX for use with the UCPD peripheral, for both Rx and Tx of both ports. I'm focusing on Tx right now, and c...

RHelv.1 by Associate II
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Is DFSDM required for PDM mics

Hi - I'm trying to get a single PDM mic (ST MP34DT01-M) working with an STM32H7, using SAI. It's outputting static when I send the DAC each SAI *freq* interrupt. Some questions:Is the DFSDM peripheral required? If so, what does the value of the SAI x...

DOCon.1 by Senior
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