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Questions tagged [sdmmc]

13 questions
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RASPBERRY : Write to an external microSD card in SPI mode

I have already posted this question on the raspberry forum but I only got a few answers that didn't solve my problem... I have been waiting for a month so I turn to this forum hoping to be able to find a solution there... PS : do not hesitate to…
Thomas
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STM32- Can not initialize eMMC, because is stuck in performing GetCardCSD() function

I have problem with using stm32 drivers for connection to eMMC.https://datasheet.lcsc.com/lcsc/2205071500_Zetta-ZDEMMC04GA_C3010207.pdf Problem is that the initialization is stuck in loop, when performing HAL_MMC_GetCardCSD(hmmc, &CSD) function. I'm…
HarryTra
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Conflict SDMMC + freertos cubie

I am using CUBIDE for programming stm32l452. When I enable SDMMC without rtos then I can communicate with SD card from main function (outside of while loop). When I enable freertos without any changes in programm SDmmc stops communication, but…
Hakob
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arduino format and SD Card with an esp32 as fat32 that is connected as an SDMMC host

I am trying to format an SD card with an ESP32 connected to an SD card as a SDMMC host. I would like to figure out how to format it as FAT32 within the Arduino framework. Does anyone know if this is possible to do within the Arduino framework? I can…
manno
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pause before data transfer for MMC card

I am working with a Chinese RK3568 processor and have implemented a data exchange driver with an mmc card. I use DMA for data transmission, but I still get unsatisfactory results in terms of speed. The figure shows that there is a pause between…
никита богатов
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the CLK frequency for communicating with the eMMC card is set incorrectly

I am currently working with a Chinese rockchip rk3568 processor and an emmc interface. I have studied the source codes of such large projects as Linux and U-boot for this interface, and I think I have practically reproduced the same actions as there…
никита богатов
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e-MMC returns FR_OK at very first bring-up but mk_dir return FR_NO_FILESYSTEM

I am using stm32H753xx and Cube FatFs library. After our e-MMC has been soldered to our board, I want to bring-up. My startup codes is here: res = f_mount(&fat_fs, "0:", 0); if (res != FR_OK) { res = f_mkfs("", FM_ANY, 0, work,…
EmbeddedMaker
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writing data on sd card

I use a simple code in stm32 for SD card. The code is written in "int main(void)" section. I am trying to configure a SD card so that as soon as the STM32F750vbt6 turn on, a file is created in the SD card and a text is written in the file. when I…
yaser kh
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linx mmc-utils erase command not working as expect

I have a system that has an eMMC card on it, and I am trying to use the erase functioanlity defined in the eMMC specification (6.6.9 Erase) using the the mmc-utils user space tool. The implantation correct to me. But when I run the command the erase…
John b
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ATFSDC010 SD host controller can communicatio with eMMC?

I'm trying to read eMMC data with sd host controller. sd host controller : ATFSDC010 eMMC : KLM8G1GESD-B04P eMMC Reader : EMMC MODULE READER FOR ODROID First, i have initialized eMMC as transfer state…
ᄅᄋᄋ
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Is it possible to implement DISKCOPY to copy block by block from eMMC volume to USB volume

I am using STM32, FATFS, SDMMC, eMMC and have created the FATFS on the eMMC. I have also created a FATFS volume on the USBH (host mode). This also works fine. The eMMC FATFS work fine then I need to copy all files from the eMMC to the USB drive.…
T. Pham
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Copying files to mmc device from bootmenu

I want to copy files to mmc device over the network using TFTP. I know that we can switch to the mmc device using "mmc dev" command at U-boot prompt. After switching to the mmc device, I need to copy the files to the mmc device over the network…
Ravi A
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sd card mount fails with tryng to mount

The SD Card over SPI driver and the board specific SPI Driver has been included in linux while the SD Card is being detected but the mounting is not successful. Please view the below log for reference. # cd / # ls bin init linuxrc opt …
turbo
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