jim hamblen / Mbed OS SD_Card_HelloWorld_Ver5

SD card file helloworld demo using new mbed RTOS ver 5 file driver setup. Pins setup for LPC1768 - read comment in code about project's json file requirements for adding the SD filesystem driver

SD card r/w demo for mbed OS version 5 on LPC1768.

File drivers are added in json file with "target.components_add": ["SD"] for use in most recent OS 5 version.

Test messages are sent to serial port with printf's.

Diff: main.cpp

Revision:
2:21d14147254e
Parent:
1:3a59eb72e0cf
diff -r 3a59eb72e0cf -r 21d14147254e main.cpp
--- a/main.cpp	Tue Sep 24 17:32:01 2019 +0000
+++ b/main.cpp	Tue Sep 24 18:16:27 2019 +0000
@@ -28,7 +28,7 @@
     }
     printf("Reading back from new file: ");
     while(fscanf(fr,"%c",&filereadchar) == 1) {
-        printf("\%s",&filereadchar);
+        printf("\%c",filereadchar);
     }
     fclose(fr);
     sd.deinit();