Diff: main.cpp

Revision:

5:e13062be9e7b

Parent:

4:003e6dfc288d

Child:

6:09923c817679

--- a/main.cpp	Sat Jun 06 11:59:07 2015 +0000
+++ b/main.cpp	Sat Jun 13 10:30:01 2015 +0000
@@ -43,7 +43,8 @@
 SPI spi(PTD6, PTD7, PTD5); // mosi, miso, sclk
 DigitalOut cs(PTD2);
 int count_bro;
-
+char alpha[26]={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
+int block_number;
 
 
 int main()
@@ -54,13 +55,16 @@
       printf("initialise card result=%d\n",result);
       disk_initialize();
        uint8_t buffer[512];
-      for(count_bro=0;count_bro<512;count_bro++)
-      {buffer[count_bro]='a';}
-      disk_write(buffer, 2);
+       for(block_number=0;block_number<100;block_number++)
+     { for(count_bro=0;count_bro<512;count_bro++)
+      {buffer[count_bro]= alpha[rand () % 26];}
+      disk_write(buffer, block_number);}
       uint8_t read_data[512];
-      disk_read(read_data, 2);
+      for(block_number=0;block_number<100;block_number++)
+      {disk_read(read_data, block_number);
       for(count_bro=0;count_bro<512;count_bro++)
-      {printf("%c",buffer[count_bro]);}
+      {printf("%c",read_data[count_bro]);}
+      printf("\n");}