microSD Card control function for DISCO-F469NI based on BD_SD_DISCO_F746NG library by Roy Krikke

Dependencies:   BSP_DISCO_F469NI_modified BD_SD_DISCO_F469NI

Fork of DISCO-F769NI_BD_SD_Card_Control by Kenji Arai

Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/