Diff: main.cpp

Revision:

0:4457b60e87c8

Child:

1:e8699d7ca61a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Apr 12 16:56:26 2018 +0000
@@ -0,0 +1,79 @@
+#include "stm32f103c8t6.h"
+#include "mbed.h"
+#include "SDFileSystem.h"
+#include "errno.h"
+
+Serial              pc(USBTX, USBRX);
+SDFileSystem*       fs;
+FILE*               fp;
+
+int main()
+{
+    confSysClock();     //Configure system clock (72MHz HSE clock, 48MHz USB clock)
+    pc.baud(9600);
+
+    pc.printf("Starting...\r\n");
+    
+    fs = new SDFileSystem(PB_5, PB_4, PB_3, PA_10, "sd"); // mosi, miso, sck, cs
+    
+    int err = fs->mount();
+    pc.printf("%s\r\n", (err ? "Failed :(\r\n" : "OK\r\n"));
+    if (err)
+        return err;
+ 
+    // Open the file.
+    pc.printf("Opening file '/sd/mytest/sdtest.txt'... ");
+ 
+    fp = fopen("/sd/mytest/sdtest.txt", "w+");
+    pc.printf("%s\r\n", (!fp ? "Failed :(\r\n" : "OK\r\n"));
+ 
+    if (!fp)
+    {
+        // Check whether directory '/sd/mytest' exists.
+        pc.printf("\r\nChecking directory '/sd/mytest'...\r\n");
+        struct stat info;
+        err = stat("/sd/mytest", &info);
+        if (err)
+        {
+            pc.printf("Directory '/sd/mytest' does not exist.\r\n");
+            pc.printf("Trying to create it...");
+            err = mkdir("/sd/mytest", 0777);
+            pc.printf("%s\r\n", (err ? "Failed :(\r\n" : "OK\r\n"));
+            if (err)
+              return err;
+        }
+                
+        // Create a new 'sdtest.txt' file.
+        pc.printf("File not found, creating a new one...\r\n");
+        fp = fopen("/sd/mytest/sdtest.txt", "w+");
+        pc.printf("%s\r\n", (!fp ? "Failed :(" : "OK"));
+        if (!fp)
+        {
+            error("error: %s (%d)\r\n", strerror(errno), -errno);
+            return errno;
+        }
+    }
+    
+    for (int i = 0; i < 10; i++)
+    {
+        pc.printf("Writing numbers (%d/%d)... ", i, 10);
+        err = fprintf(fp, "    %d\r\n", i);
+        if (err < 0)
+        {
+            pc.printf("Fail :(\r\n");
+            error("error: %s (%d)\r\n", strerror(errno), -errno);
+        }
+        else
+            pc.printf("OK\r\n");
+    }
+ 
+    pc.printf("Writing numbers (%d/%d)... OK\r\n\r\n", 10, 10);
+    
+    err = fclose(fp);
+    pc.printf("Closing file '/sd/mytest/sdtest.txt'... ");
+    pc.printf("%s\r\n", (err ? "Failed :(\r\n" : "OK\r\n"));
+    if (err)
+      return err;
+ 
+    return 0;
+}