Diff: main.cpp

Revision:

0:4cdf28a602a8

Child:

1:ffacc9d0b308

diff -r 000000000000 -r 4cdf28a602a8 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Mar 24 19:11:15 2018 +0000
@@ -0,0 +1,56 @@
+#include "mbed.h"
+#include "BD_SD_DISCO_F746NG.h"
+
+DigitalOut led (LED1);
+
+// Instantiate the Block Device for sd card on DISCO-F746NG
+BD_SD_DISCO_F746NG bd;
+uint8_t block[512] = "Hello World!\n";
+
+int
+main () {
+  Serial pc (SERIAL_TX, SERIAL_RX);
+  pc.baud (115200);
+  printf ("Start\n");
+
+  // Call the BD_SD_DISCO_F746NG instance initialisation method.
+  printf ("sd card init...\n");
+  if (0 != bd.init ()) {
+    printf ("Init failed \n");
+    return -1;
+  }
+
+  printf ("sd size: %llu\n", bd.size ());
+  printf ("sd read size: %llu\n", bd.get_read_size ());
+  printf ("sd program size: %llu\n", bd.get_program_size ());
+  printf ("sd erase size: %llu\n\n", bd.get_erase_size ());
+
+  printf ("sd erase...\n");
+  if (0 != bd.erase (0, bd.get_erase_size ())) {
+    printf ("Error Erasing block \n");
+  }
+
+  // Write some the data block to the device
+  printf ("sd write: %s\n", block);
+  if (0 == bd.program (block, 0, 512)) {
+    // read the data block from the device
+    printf ("sd read: ");
+    if (0 == bd.read (block, 0, 512)) {
+      // print the contents of the block
+      printf ("%s", block);
+    }
+  }
+
+  // Call the BD_SD_DISCO_F746NG instance de-initialisation method.
+  printf ("sd card deinit...\n");
+  if (0 != bd.deinit ()) {
+    printf ("Deinit failed \n");
+    return -1;
+  }
+
+  // Blink led with 2 Hz   
+  while (true) {
+    led = !led;
+    wait (0.5);
+  }
+}