Kasriel Lewis / SDFileSystem

Clock speed as been increased to 1MHz. This frequency was chosen by default as it did not appear possible to set it any higher than that.

Dependencies:   FATFileSystem

Dependents:   Motion_Logging_Project

Fork of SDFileSystem by SparkFun Electronics

Files at this revision

API Documentation at this revision

Revision 4:d21b3ceaf95c, committed 2015-07-27

Comitter:
Kas_Lewis
Date:
Mon Jul 27 17:16:35 2015 +0000
Parent:
3:7b35d1709458
Commit message:
This is a working implementation of a 6-axis data logger using the FRDM-KL25Z and the FRDM-STBC-AGM01 (FXOS8700C & FXAS21002C). Data is logged to an SD card for plotting at a later date.

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 Jul 27 17:16:35 2015 +0000
@@ -141,7 +141,7 @@
 
 int SDFileSystem::initialise_card() {
     // Set to 100kHz for initialisation, and clock card with cs = 1
-    _spi.frequency(100000);
+    _spi.frequency(40000000);
     _cs = 1;
     for (int i = 0; i < 16; i++) {
         _spi.write(0xFF);