BouKiCHi Tokonabegawa / SDFileSystemEx

changes for speed up.

Dependencies:   FATFileSystemEx

Dependents:   nlgplay nlgplay_130

Fork of SDFileSystem by Mbed

Diff: SDFileSystem.cpp

Revision:
4:e6b0a24df912
Parent:
3:7b35d1709458
Child:
7:3701e9942a16
--- a/SDFileSystem.cpp	Mon Mar 17 14:34:01 2014 +0000
+++ b/SDFileSystem.cpp	Mon Aug 18 22:31:12 2014 +0000
@@ -116,6 +116,9 @@
 #include "SDFileSystem.h"
 #include "mbed_debug.h"
 
+// SD card data clock speed (def. 1000000)
+#define SD_SPEED 8000000
+
 #define SD_COMMAND_TIMEOUT 5000
 
 #define SD_DBG             0
@@ -207,7 +210,7 @@
         return 1;
     }
     
-    _spi.frequency(1000000); // Set to 1MHz for data transfer
+    _spi.frequency(SD_SPEED); // Set to 1MHz for data transfer
     return 0;
 }