Diff: main.cpp

Revision:

4:003e6dfc288d

Parent:

3:d4bb1e13a897

Child:

5:e13062be9e7b

--- a/main.cpp	Sat Jun 06 11:46:02 2015 +0000
+++ b/main.cpp	Sat Jun 06 11:59:07 2015 +0000
@@ -18,6 +18,7 @@
 int initialise_card_v2();
 int disk_initialize();
 int disk_write(const uint8_t *, uint64_t);
+int disk_read(uint8_t *, uint64_t);
 
 uint64_t sd_sectors();
 uint64_t sectors;
@@ -56,6 +57,10 @@
       for(count_bro=0;count_bro<512;count_bro++)
       {buffer[count_bro]='a';}
       disk_write(buffer, 2);
+      uint8_t read_data[512];
+      disk_read(read_data, 2);
+      for(count_bro=0;count_bro<512;count_bro++)
+      {printf("%c",buffer[count_bro]);}
       
       
     
@@ -388,3 +393,14 @@
     return 0;
 }
 
+int disk_read(uint8_t *buffer, uint64_t block_number) {
+    // set read address for single block (CMD17)
+    if (cmd(17, block_number * cdv) != 0) {
+        return 1;
+    }
+    
+    // receive the data
+    read(buffer, 512);
+    return 0;
+}
+