NuMaker bootloader with SD mode

Revision:
6:4dc994a04a99
Parent:
1:659cc7618f73
Child:
7:90af0e9f9fa4
--- a/main.cpp	Tue Apr 17 14:37:56 2018 +0800
+++ b/main.cpp	Thu Feb 25 10:17:10 2021 +0800
@@ -29,6 +29,9 @@
 {
     sd.init();
     fs.mount(&sd);
+#ifdef MBED_MAJOR_VERSION
+    printf("Mbed OS version %d.%d.%d\r\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION);
+#endif
 
     FILE *file = fopen(FULL_UPDATE_FILE_PATH, "rb");
     if (file != NULL) {