2020-05-13 07:56 PM
I'm using SDIO - DMA to read/write with uSD card.
In 1 bit mode, it work fine.
But in 4 bit mode, mcu cannot mount to sd card. It appears FR_DISK_ERR.
I've update to newest version of CubeMX but it still not fix.
Does anyone know how to fix this ?
2020-10-08 02:16 PM
Hello @Le Loc - Duc
Could you please tell me more details about the scenario. Please share your .ioc file.
Best regards,
Nesrine
2020-10-08 02:35 PM
Which chips? Which boards?
Do the demo's in the Applications directories work if ported to your hardware? Pull-ups on the command/data lines?
Easy enough to build broken hardware.