James Hawkins / SDFileSystem

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Dependencies:   FATFileSystem

Fork of SDFileSystem by mbed official

Files at this revision

API Documentation at this revision

Revision 3:b8c141fd8e0e, committed 2014-12-02

Comitter:
jhawkins38
Date:
Tue Dec 02 15:19:26 2014 +0000
Parent:
2:c8f66dc765d4
Commit message:
for alarm

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	Tue Dec 02 15:19:26 2014 +0000
@@ -119,9 +119,10 @@
 
 #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;
+    _cd.mode(PullUp);
 }
 
 #define R1_IDLE_STATE           (1 << 0)
@@ -463,3 +464,15 @@
     };
     return blocks;
 }
+//creates SD card detect using cd
+bool SDFileSystem:: SD_inserted(){
+
+if ( _cd==1){
+    wait(0.1);
+    disk_initialize();
+return true;
+}
+else{
+return false;
+}
+}
\ No newline at end of file

--- a/SDFileSystem.h	Thu Nov 29 10:56:21 2012 +0000
+++ b/SDFileSystem.h	Tue Dec 02 15:19:26 2014 +0000
@@ -51,13 +51,14 @@
      * @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();
+    virtual bool SD_inserted();
 
 protected:
 
@@ -77,6 +78,7 @@
     SPI _spi;
     DigitalOut _cs;
     int cdv;
+    DigitalIn _cd;
 };
 
 #endif