Could you show me that "f_open(&fil, "w_test.txt", FA_CREATE_ALWAYS | FA_WRITE)" get "NOT READY FR_OK" ?When I used "NUCLEO F722", I get "NOT READY FR_OK". But when I used "NUCLEO L476", I get FR_OK. I checked wiring so many times.
I have properly connected the SD card module to the NUCLEO-F722 using the following reference URL, but I am still experiencing FR_DISK_ERR. I have searched for a solution in the STMicroelectronics Community and tried the methods described, but have b...
I use NUCLEO-F722ZE and STM32CubeIDE.When I set SDMMC1 to SD 4bits wide bus, the RCC shows a warning “partly disabled conflict with : SDMMC1 : SD 4bits wide bus”. At this time, when I wrote a program on the board and operated it, “FR_DISK_ERR” occurr...
