changes for speed up.
Dependents: nlgplay nlgplay_130
Fork of SDFileSystem by
Revision 4:e6b0a24df912, committed 2014-08-18
- Comitter:
- bkc_mbed
- Date:
- Mon Aug 18 22:31:12 2014 +0000
- Parent:
- 3:7b35d1709458
- Child:
- 5:85da9e9eb002
- Commit message:
- use define to set data speed clock.
Changed in this revision
SDFileSystem.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- 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; }