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Fork of IAP_internal_flash_write by
Revision 3:63a0993315e5, committed 2015-01-09
- Comitter:
- okano
- Date:
- Fri Jan 09 06:37:02 2015 +0000
- Parent:
- 2:c22f0c87fee6
- Child:
- 4:5705a494169a
- Commit message:
- ver3 : LPC812, LPC824 support
Changed in this revision
--- a/IAP.lib Mon Nov 26 06:03:39 2012 +0000 +++ b/IAP.lib Fri Jan 09 06:37:02 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/okano/code/IAP/#ff906ad52cf9 +http://mbed.org/users/okano/code/IAP/#17f3464672c1
--- 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 );
--- a/mbed.bld Mon Nov 26 06:03:39 2012 +0000 +++ b/mbed.bld Fri Jan 09 06:37:02 2015 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/3d775a932e1d \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5 \ No newline at end of file
