About morris

morris · 2024-06-25

MCU: STM32L471VGT6I am trying to get an SD Card to work for my system. I am using a custom board and I cant share any drawings. However, what I am using for the SD Card:Sd card adapter: https://learn.adafruit.com/adafruit-microsd-spi-sdioSd card: SDH...

morris · 2024-06-27

I found it, I had to run PeriphCommonClock_Config() after exited my sleep mode becuase the sdmmc runs on a clock that doesnt get started by SystemClock_Config().

morris · 2024-06-26

It goes into Stop mode 2:"Enter Stop 2 mode. * @note In Stop 2 mode, only low power voltage regulator is ON. * @note In Stop 2 mode, all I/O pins keep the same state as in Run mode. * @note All clocks in the VCORE domain are stopped, the PLL, t...

morris · 2024-06-26

My new problem is not I cant use the sd Card after the stm32 processor have been in sleep mode. The sd card refuse to open a file or make a volume, mouting is fine. I have tried many differemt pf init/deint but nothing seems to work. Any ideas? Note:...

morris · 2024-06-25

I updated the original post with the part number of the stm.Yep the adapter works for both sdio and spi

morris · 2024-06-25

The pins speed made it worked. You are amazing!!! Now I can use the sd card at:- 1 bit mode- interrupt ON- DMA TX/DMA RX- Medium speed with pullup The solution breaks when I try to:-Enable dma template- Enable 4 bit mode Do I want Dma template, I hav...

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Using SDMMC/SDIO and FATfs for reading SD Card for STM32L471VGT6

Re: Using SDMMC/SDIO and FATfs for reading SD Card for STM32L471VGT6

Re: Using SDMMC/SDIO and FATfs for reading SD Card for STM32L471VGT6

Re: Using SDMMC/SDIO and FATfs for reading SD Card for STM32L471VGT6

Re: Using SDMMC/SDIO and FATfs for reading SD Card

Re: Using SDMMC/SDIO and FATfs for reading SD Card