Diff: main.cpp

Revision:

0:effffaacd967

Child:

1:690378b5f48a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Nov 22 07:23:12 2016 +0000
@@ -0,0 +1,82 @@
+/*
+ * SDFileSystem Binary R/W Test
+ * 
+ * Library
+ * SDFileSystem: https://developer.mbed.org/users/neilt6/code/SDFileSystem/ Revision:26
+ * mbed: Revision: 124
+ *
+ * 2016.11.22 created
+ *
+ */
+ 
+#include "mbed.h"
+#include "SDFileSystem.h"
+
+SDFileSystem sd(D11, D12, D13, D10, "sd", NC, SDFileSystem::SWITCH_NONE, 25000000);
+
+struct {
+    uint8_t x;
+    uint8_t y;
+    uint8_t z;
+} data, rdata;
+    
+int main()
+{
+    FileHandle* file;
+    
+    data.x = 0xff;
+    data.y = 0x55;
+    data.z = 0xaa;
+    
+    //Mount the filesystem
+    sd.mount();
+    
+    //Perform a write test
+    printf("\nWriting binary data to SD card...");
+    file = sd.open("Test File.bin", O_WRONLY | O_CREAT | O_TRUNC);
+    if (file != NULL)
+    {
+        if (file->write(&data, sizeof(data)) != sizeof(data))
+        {
+            error("write error!\n");
+        }
+        if (file->close())
+        {
+            printf("failed to close file!\n");
+        }
+        else
+        {
+            printf("done!\n");
+        }
+    } 
+    else
+    {
+        printf("failed to create file!\n");
+    }
+    
+    //Perform a read test
+    printf("\nReading binary data from SD card...");
+    file = sd.open("Test File.bin", O_RDONLY);
+    if (file != NULL)
+    {
+        if (file->read(&rdata, sizeof(rdata)) != sizeof(rdata))
+        {
+            error("read error!\n");
+        }
+        if (file->close())
+        {
+            printf("failed to close file!\n");
+        }
+        else
+        {
+            printf("done! x:%02x y:%02x z:%02x\n", rdata.x, rdata.y, rdata.z);
+        }
+    } 
+    else
+    {
+        printf("failed to open file!\n");
+    }
+    
+    //Unmount the filesystem
+    sd.unmount();
+}
\ No newline at end of file