How to create/write/read text file into SD Card using SPI2 protocol in STM32F103RB using HAL drivers. I tried it but i am getting FR_NOT_READY error. can you please elp me to come out of this issue. If possible please share overview of sourcecode for it.

[Tesla DeLorean · Accepted solution]

ST has examples for the Adafruit Shield, with code in the BSP for the SPI interface, and FatFs examples for the Nucleo

STM32Cube_FW_F1_V1.8.0\Drivers\BSP\Adafruit_Shield\stm32_adafruit_sd.c

STM32Cube_FW_F1_V1.8.0\Drivers\BSP\STM32F1xx_Nucleo\stm32f1xx_nucleo.c

STM32Cube_FW_F1_V1.8.0\Projects\STM32F103RB-Nucleo\Demonstrations\Adafruit_LCD_1_8_SD_Joystick\Src\fatfs_storage.c