Jason Mar / SDFileSystem

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Dependencies:   FATFileSystem

Fork of SDFileSystem by mbed official

Files at this revision

API Documentation at this revision

Revision 3:44b82d302743, committed 2014-03-26

Comitter:
jmar7
Date:
Wed Mar 26 18:18:45 2014 +0000
Parent:
2:c8f66dc765d4
Commit message:
v1

Changed in this revision

SDFileSystem.cpp Show annotated file Show diff for this revision Revisions of this file
SDFileSystem.h Show annotated file Show diff for this revision Revisions of this file 
--- a/SDFileSystem.cpp	Thu Nov 29 10:56:21 2012 +0000
+++ b/SDFileSystem.cpp	Wed Mar 26 18:18:45 2014 +0000
@@ -119,8 +119,8 @@
 
 #define SD_DBG             0
 
-SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name) :
-    FATFileSystem(name), _spi(mosi, miso, sclk), _cs(cs) {
+SDFileSystem::SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName cd, const char* name) :
+    FATFileSystem(name), _spi(mosi, miso, sclk), _cs(cs), _cd(cd) {
     _cs = 1;
 }
 
@@ -240,6 +240,17 @@
 int SDFileSystem::disk_sync() { return 0; }
 uint64_t SDFileSystem::disk_sectors() { return _sectors; }
 
+bool SDFileSystem::sd_inserted() { 
+    DigitalIn SDcard_detect(p9);
+    SDcard_detect.mode(PullUp);
+    wait(0.1);
+    if(SDcard_detect==1) {
+        return true;
+    }
+    else {
+        return false;
+    }
+}
 
 // PRIVATE FUNCTIONS
 int SDFileSystem::_cmd(int cmd, int arg) {

--- a/SDFileSystem.h	Thu Nov 29 10:56:21 2012 +0000
+++ b/SDFileSystem.h	Wed Mar 26 18:18:45 2014 +0000
@@ -51,14 +51,15 @@
      * @param cs   DigitalOut pin used as SD Card chip select
      * @param name The name used to access the virtual filesystem
      */
-    SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, const char* name);
+    SDFileSystem(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName cd, const char* name);
     virtual int disk_initialize();
     virtual int disk_status();
     virtual int disk_read(uint8_t * buffer, uint64_t block_number);
     virtual int disk_write(const uint8_t * buffer, uint64_t block_number);
     virtual int disk_sync();
     virtual uint64_t disk_sectors();
-
+    bool sd_inserted();
+    
 protected:
 
     int _cmd(int cmd, int arg);
@@ -76,6 +77,7 @@
     
     SPI _spi;
     DigitalOut _cs;
+    DigitalIn _cd;
     int cdv;
 };