Update example to work without SD detect pin

Signed-off-by: Frederic.Pillon <frederic.pillon@st.com>

Author: fpistm

examples/CardInfo/CardInfo.ino

@@ -11,6 +11,12 @@
 // include the SD library:
 #include <STM32SD.h>
 
+// If SD card slot has no detect pin then define it as SD_DETECT_NONE
+// to ignore it. One other option is to call 'card.init()' without parameter.
+#ifndef SD_DETECT_PIN
+#define SD_DETECT_PIN SD_DETECT_NONE
+#endif
+
 Sd2Card card;
 SdFatFs fatFs;
 

examples/Datalogger/Datalogger.ino

@@ -12,6 +12,12 @@
 
 #include <STM32SD.h>
 
+// If SD card slot has no detect pin then define it as SD_DETECT_NONE
+// to ignore it. One other option is to call 'SD.begin()' without parameter.
+#ifndef SD_DETECT_PIN
+#define SD_DETECT_PIN SD_DETECT_NONE
+#endif
+
 uint32_t A[] = { A0, A1, A2};
 
 void setup()

examples/DumpFile/DumpFile.ino

@@ -13,6 +13,12 @@
 
 #include <STM32SD.h>
 
+// If SD card slot has no detect pin then define it as SD_DETECT_NONE
+// to ignore it. One other option is to call 'SD.begin()' without parameter.
+#ifndef SD_DETECT_PIN
+#define SD_DETECT_PIN SD_DETECT_NONE
+#endif
+
 void setup()
 {
   // Open serial communications and wait for port to open:

examples/Files/Files.ino

@@ -10,6 +10,12 @@
  */
 #include <STM32SD.h>
 
+// If SD card slot has no detect pin then define it as SD_DETECT_NONE
+// to ignore it. One other option is to call 'SD.begin()' without parameter.
+#ifndef SD_DETECT_PIN
+#define SD_DETECT_PIN SD_DETECT_NONE
+#endif
+
 File myFile;
 
 void setup()

examples/Full/Full.ino

@@ -1,5 +1,11 @@
 #include <STM32SD.h>
 
+// If SD card slot has no detect pin then define it as SD_DETECT_NONE
+// to ignore it. One other option is to call 'SD.begin()' without parameter.
+#ifndef SD_DETECT_PIN
+#define SD_DETECT_PIN SD_DETECT_NONE
+#endif
+
 #define COUNTOF(__BUFFER__)   (sizeof(__BUFFER__) / sizeof(*(__BUFFER__)))
 #define BUFFERSIZE                       (COUNTOF(wtext) -1)
 

examples/ReadWrite/ReadWrite.ino

@@ -11,6 +11,12 @@
 
 #include <STM32SD.h>
 
+// If SD card slot has no detect pin then define it as SD_DETECT_NONE
+// to ignore it. One other option is to call 'SD.begin()' without parameter.
+#ifndef SD_DETECT_PIN
+#define SD_DETECT_PIN SD_DETECT_NONE
+#endif
+
 File myFile;
 
 void setup()

examples/listfiles/listfiles.ino

@@ -12,6 +12,12 @@
  */
 #include <STM32SD.h>
 
+// If SD card slot has no detect pin then define it as SD_DETECT_NONE
+// to ignore it. One other option is to call 'SD.begin()' without parameter.
+#ifndef SD_DETECT_PIN
+#define SD_DETECT_PIN SD_DETECT_NONE
+#endif
+
 File root;
 
 void setup()