I am using STM32H7A3 board. I am trying to integrate SD Card using SPI. I am getting FR_DISK_ERR when I try to do f_mount. Attached source code.

[JJoy.1]

When i tried to give Pull ups for SPI pins except SPI1_SCK, i am getting FR_NOT_READY error.

I am completely stuck in this issue.

Please have a look into this and provide a solution for me.

Thanks in advance.

Jestina

[devtty]

I cant quite be sure on why either. Your code does look fine. Maybe play around a bit more with the clock speeds. The command you mention is supposed to put the SD card into "SPI/Idle state". I would double check or triple check your connections to the board. Are you using some sort of breakout board for the SD card? How is it wired?

[JJoy.1]

Hi @devtty​  ,

Thanks for your update. I double checked the connections and could not find anything wrong. I am using a 6 pin SD card break out board and its wired using jumper wires.

Jestina

[DCajigal]

Hi, did you find something? i had that code running on a STM32F4 and worked fine, now with the STM32H7 i am not being able to make it work...

[Javier1]

" But 9 pin SD break out board is not available in our country" ?¿?¿

https://www.sparkfun.com/products/12941

[JJoy.1]

Hi DCajigal,

PFA my code with SD card working in STM32H7A3.

Thanks,

Jestina

[DCajigal]

Thank you so much!