Diff: main.cpp

Revision:

3:63a0993315e5

Parent:

2:c22f0c87fee6

Child:

4:5705a494169a

diff -r c22f0c87fee6 -r 63a0993315e5 main.cpp
--- a/main.cpp	Mon Nov 26 06:03:39 2012 +0000
+++ b/main.cpp	Fri Jan 09 06:37:02 2015 +0000
@@ -1,6 +1,6 @@
 /**    IAP demo : demo code for internal Flash memory access library
  *
- *        The internal Flash memory access is described in the LPC1768 and LPC11U24 usermanual. 
+ *        The internal Flash memory access is described in the LPC1768 and LPC11U24 usermanual.
  *            http://www.nxp.com/documents/user_manual/UM10360.pdf
  *            http://www.nxp.com/documents/user_manual/UM10462.pdf
  *
@@ -8,12 +8,12 @@
  *                    Chapter  2: "LPC17xx Memory map"
  *                    Chapter 32: "LPC17xx Flash memory interface and programming"
  *                    refering Rev. 01 - 4 January 2010
- * 
+ *
  *               LPC11U24 --
  *                    Chapter  2: "LPC11Uxx Memory mapping"
  *                    Chapter 20: "LPC11Uxx Flash programming firmware"
  *                    refering Rev. 03 - 16 July 2012
- * 
+ *
  *  This main.cpp demonstrates how the flash can be erased and wrote.
  *
  *  This program tries to...
@@ -24,12 +24,12 @@
  *    4. verify the data by IAP command
  *    5. show the content of the flash
  *
- *  The Flash must be erased as sectors. No overwrite can be done like SRAM. 
- *  So erase should be done in size of 4K or 32K. 
+ *  The Flash must be erased as sectors. No overwrite can be done like SRAM.
+ *  So erase should be done in size of 4K or 32K.
  *
- *  Writing sector can be done with size of 256, 512, 1024 or 4096. 
- *  If other size is used, the IAP returns an error. 
- *  The SRAM memory should be allocated in 
+ *  Writing sector can be done with size of 256, 512, 1024 or 4096.
+ *  If other size is used, the IAP returns an error.
+ *  The SRAM memory should be allocated in
  *
  *
  *        Released under the MIT License: http://mbed.org/license/mit
@@ -40,6 +40,7 @@
  *        revision 2.0  26-Nov.2012   LPC11U24 code added
  *        revision 2.1  26-Nov-2012   EEPROM access code imported from Suga koubou san's (http://mbed.org/users/okini3939/) library
  *                                            http://mbed.org/users/okini3939/code/M0_EEPROM_test/
+ *        revision 3.0  09-Jan-2014   LPC812 and LPC824 support added
  */
 
 #include    "mbed.h"
@@ -52,6 +53,9 @@
 #elif defined(TARGET_LPC11U24)
 #define     TARGET_SECTOR    7      //  use sector  7 as target sector if it is on LPC11U24
 #define     TARGET_EEPROM_ADDRESS   64
+#define     TARGET_EEPROM_ADDRESS   64
+#elif defined(TARGET_LPC812) || defined(TARGET_LPC824)
+#define     TARGET_SECTOR    15      //  use sector  15 as target sector if it is on LPC812
 #endif
 
 void    memdump( char *p, int n );
@@ -60,11 +64,12 @@
 IAP     iap;
 
 
-int main() {
+int main()
+{
     char    mem[ MEM_SIZE ];    //  memory, it should be aligned to word boundary
     int     r;
 
-    printf( "IAP: Flash memory writing test\r\n" );
+    printf( "\r\n\r\n=== IAP: Flash memory writing test ===\r\n" );
     printf( "  device-ID = 0x%08X, serial# = 0x%08X, CPU running %dkHz\r\n", iap.read_ID(), iap.read_serial(), SystemCoreClock / 1000 );
     printf( "  user reserved flash area: start_address=0x%08X, size=%d bytes\r\n", iap.reserved_flash_area_start(), iap.reserved_flash_area_size() );
     printf( "  read_BootVer=0x%08X\r\r\n", iap.read_BootVer() );
@@ -78,13 +83,13 @@
     printf( "blank check result = 0x%08X\r\n", r );
 
     //  erase sector, if required
-    
+
     if ( r == SECTOR_NOT_BLANK ) {
         iap.prepare( TARGET_SECTOR, TARGET_SECTOR );
         r   = iap.erase( TARGET_SECTOR, TARGET_SECTOR );
         printf( "erase result       = 0x%08X\r\n", r );
     }
-    
+
     // copy RAM to Flash
 
     iap.prepare( TARGET_SECTOR, TARGET_SECTOR );
@@ -114,21 +119,34 @@
 
     printf( "showing the flash contents...\r\n" );
     memdump( sector_start_adress[ TARGET_SECTOR ], MEM_SIZE * 3 );
-    
+
+
+#if defined(TARGET_LPC812) || defined(TARGET_LPC824)
+    iap.prepare( TARGET_SECTOR, TARGET_SECTOR );
+    r   = iap.erase_page( 241, 241 );   //  241 is page number for sector 7 with 64 byte offset
+
+    printf( "\r\nerase page test\r\n" );
+    printf( "erase page result     = \"%s\"\r\n", r ? "FAILED" : "OK" );
+    printf( "showing memory dump to confirm 0x00003C40 to 0x00003C7F are erased (should be changed to 0xFF)" );
+
+    memdump( sector_start_adress[ TARGET_SECTOR ], MEM_SIZE );
+#endif
+
+
 #if defined(TARGET_LPC11U24)    //  SAMPLE OF EEPROM ACCESS (LPC11U24 only)
     printf( "IAP: EEPROM writing test\r\n" );
     char    mem2[ MEM_SIZE ];
 
     r   = iap.write_eeprom( mem, (char*)TARGET_EEPROM_ADDRESS, MEM_SIZE );
     printf( "copied: SRAM(0x%08X)->EEPROM(0x%08X) for %d bytes. (result=0x%08X)\r\n", mem, TARGET_EEPROM_ADDRESS, MEM_SIZE, r );
- 
+
     r   = iap.read_eeprom( (char*)TARGET_EEPROM_ADDRESS, mem2, MEM_SIZE );
     printf( "copied: EEPROM(0x%08X)->SRAM(0x%08X) for %d bytes. (result=0x%08X)\r\n", TARGET_EEPROM_ADDRESS, mem, MEM_SIZE, r );
- 
+
     // compare
     r = memcmp(mem, mem2, MEM_SIZE);
     printf( "compare result     = \"%s\"\r\n", r ? "FAILED" : "OK" );
- 
+
     printf( "showing the EEPROM contents...\r\n" );
     memdump( mem2, MEM_SIZE );
 #endif
@@ -136,7 +154,8 @@
 }
 
 
-void memdump( char *base, int n ) {
+void memdump( char *base, int n )
+{
     unsigned int    *p;
 
     printf( "  memdump from 0x%08X for %d bytes", (unsigned long)base, n );