Support for accessing SD card through SDIO/SPI interface through Keil platform or a firmware coding model?
![microcontroller - SD card block read/write issue in SPI mode. (STM32) (CMD17, CMD24) - Electrical Engineering Stack Exchange microcontroller - SD card block read/write issue in SPI mode. (STM32) (CMD17, CMD24) - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/SFtPo.jpg)
microcontroller - SD card block read/write issue in SPI mode. (STM32) (CMD17, CMD24) - Electrical Engineering Stack Exchange
![Regarding SD card interface@TM4C123E6PMIR - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums Regarding SD card interface@TM4C123E6PMIR - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums](https://e2e.ti.com/resized-image.ashx/__size/550x0/__key/communityserver-discussions-components-files/908/0207.sdcardcircuitry.jpg)
Regarding SD card interface@TM4C123E6PMIR - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums
![Micro SD Card SPI Adapter Interface Mini TF Card Read Write Module With Level Converter Chip For Arduino|sd card module|arduino sd card modulearduino sd - AliExpress Micro SD Card SPI Adapter Interface Mini TF Card Read Write Module With Level Converter Chip For Arduino|sd card module|arduino sd card modulearduino sd - AliExpress](https://ae01.alicdn.com/kf/Hd3f80c5b145349358dbe1f300903b76eo/Micro-SD-Card-SPI-Adapter-Interface-Mini-TF-Card-Read-Write-Module-With-Level-Converter-Chip.jpg)
Micro SD Card SPI Adapter Interface Mini TF Card Read Write Module With Level Converter Chip For Arduino|sd card module|arduino sd card modulearduino sd - AliExpress
![f_mount error (3) when not setting internal pullups on SPI pins · Issue #2 · kiwih/cubeide-sd-card · GitHub f_mount error (3) when not setting internal pullups on SPI pins · Issue #2 · kiwih/cubeide-sd-card · GitHub](https://user-images.githubusercontent.com/3051451/113846740-1437f700-9797-11eb-8f7e-030c5ed8222f.jpg)