Revision 1:da7402308a49, committed 2015-11-30

Comitter:

pighixxx

Date:

Mon Nov 30 18:00:38 2015 +0000

Parent:

0:09bfe87fd66a

Commit message:

Semplificated version

Changed in this revision

--- a/main.cpp	Fri May 11 00:40:02 2012 +0000
+++ b/main.cpp	Mon Nov 30 18:00:38 2015 +0000
@@ -1,63 +1,21 @@
-/*    IAP demo : demo code for internal EEPROM memory access
- *
- *    LPC11U24FBD64/401 : EEPROM 4KB
- *    Remark: The top 64 bytes of the EEPROM memory are reserved and cannot be written to.
- *
- *     by Tedd OKANO http://mbed.org/users/okano/notebook/iap-in-application-programming-internal-flash-eras/
- *     modified by Suga (supported to LPC11U24)
- */
-
+// miniBLIP EEPROM demo
 #include    "mbed.h"
 #include    "IAP.h"
 
 #define     MEM_SIZE        256
 #define     TARGET_ADDRESS   64
 
-void    memdump( char *p, char *b, int n );
-int     isprint( int c );
-
 IAP     iap;
 
-
 int main() {
-    char    mem[ MEM_SIZE ];    //  memory, it should be aligned to word boundary
-    char    mem2[ MEM_SIZE ];
-    int     r;
-
-    printf( "IAP: EEPROM writing test\n" );
-    printf( "  device-ID = 0x%08X, serial# = 0x%08X, CPU running %dkHz\n", iap.read_ID(), iap.read_serial(), SystemCoreClock / 1000 );
-
+    char    mem[ MEM_SIZE ];  
+    //Fill eeprom with data
     for ( int i = 0; i < MEM_SIZE; i++ )
         mem[ i ]    = i & 0xFF;
-
+    //Write
     r   = iap.write_eeprom( mem, (char*)TARGET_ADDRESS, MEM_SIZE );
-    printf( "copied: SRAM(0x%08X)->EEPROM(0x%08X) for %d bytes. (result=0x%08X)\n", mem, TARGET_ADDRESS, MEM_SIZE, r );
-
-    r   = iap.read_eeprom( (char*)TARGET_ADDRESS, mem2, MEM_SIZE );
-    printf( "copied: EEPROM(0x%08X)->SRAM(0x%08X) for %d bytes. (result=0x%08X)\n", TARGET_ADDRESS, mem, MEM_SIZE, r );
+    //Read
+    r   = iap.read_eeprom( (char*)TARGET_ADDRESS, mem, MEM_SIZE );
 
-    // compare
-    r = memcmp(mem, mem2, MEM_SIZE);
-    printf( "compare result     = \"%s\"\n", r ? "FAILED" : "OK" );
-
-    printf( "showing the EEPROM contents...\n" );
-    memdump( (char*)TARGET_ADDRESS, mem2, MEM_SIZE );
 }
 
-
-void memdump( char *base, char *buf, int n ) {
-    unsigned int    *p;
-
-    printf( "  memdump from 0x%08X for %d bytes", (unsigned long)base, n );
-
-    p   = (unsigned int *)((unsigned int)buf & ~(unsigned int)0x3);
-
-    for ( int i = 0; i < (n >> 2); i++, p++ ) {
-        if ( !(i % 4) )
-            printf( "\n  0x%08X :", (unsigned int)base + i * 4 );
-
-        printf( " 0x%08X", *p );
-    }
-
-    printf( "\n" );
-}