Revision 1:a305ecc5c0cb, committed 2017-05-11

Comitter:

brdarji

Date:

Thu May 11 08:24:00 2017 +0000

Parent:

0:bdbd3d6fc5d5

Commit message:

SD card data read example

Changed in this revision

--- a/SDFileSystem.lib	Fri Dec 07 11:25:01 2012 +0000
+++ b/SDFileSystem.lib	Thu May 11 08:24:00 2017 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/SDFileSystem/#c8f66dc765d4
+https://developer.mbed.org/users/brdarji/code/SDFileSystem/#8dbda7efa9c2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDFileSystem_HelloWorld.lib	Thu May 11 08:24:00 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/mbed_official/code/SDFileSystem_HelloWorld/#bdbd3d6fc5d5

--- a/main.cpp	Fri Dec 07 11:25:01 2012 +0000
+++ b/main.cpp	Thu May 11 08:24:00 2017 +0000
@@ -1,19 +1,37 @@
 #include "mbed.h"
 #include "SDFileSystem.h"
  
-SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
+SDFileSystem sd(P0_18, P0_17, P0_15, P0_16, "sd"); //mosi, miso, sclk, cs
+Serial pc(USBTX,USBRX); 
  
 int main() {
-    printf("Hello World!\n");   
- 
-    mkdir("/sd/mydir", 0777);
-    
-    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
-    if(fp == NULL) {
-        error("Could not open file for write\n");
-    }
-    fprintf(fp, "Hello fun SD Card World!");
-    fclose(fp); 
- 
-    printf("Goodbye World!\n");
-}
+    char i=0;
+    float data;
+    char c,data1[8];
+  
+    FILE *fp = fopen("/sd/dat12.dat", "r");
+    while(1)
+    {
+        c = fgetc(fp);
+        data1[i] = c;
+        if((data1[i] == '\r'))
+        {
+            data = atof(data1);
+            i=0;
+            pc.printf("%0.3f\r\n",data);
+            wait(1);
+        }
+        else
+        {
+            i++;
+        }    
+        
+        if(feof(fp))
+        { 
+            break ;
+        }
+        wait_ms(10);
+    }    
+    fclose(fp);
+    return 0;
+}
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