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

diff -r c8f66dc765d4 -r b8c141fd8e0e SDFileSystem.cpp
--- 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

diff -r c8f66dc765d4 -r b8c141fd8e0e SDFileSystem.h
--- 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