microSD Card control function for DISCO-F769NI based on BD_SD_DISCO_F746NG library by Roy Krikke

Dependencies:   BD_SD_DISCO_F769NI BSP_DISCO_F769NI

Fork of DISCO-F746NG_BLOCK_DEVICE_WITH_FAT_FILESYSTEM_ON_SDCARD by Roy Krikke

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

Revision:
8:12621f1fcbbe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Thu Jan 14 00:40:36 2021 +0000
@@ -0,0 +1,10 @@
+{
+    "target_overrides": {
+        "*": {
+            "target.printf_lib": "std",
+            "target.features_add": ["STORAGE"],
+            "target.components_add": ["SD"],
+            "sd.INIT_FREQUENCY": 400000
+        }
+    }
+}