Revision 8:8af7acf9dbf3, committed 2016-04-10

Comitter:

va009039

Date:

Sun Apr 10 11:32:54 2016 +0000

Parent:

7:c8bf974ecb33

Child:

9:7e19f12b81b4

Commit message:

first commit

Changed in this revision

--- a/IAP.cpp	Tue Mar 10 04:19:23 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,221 +0,0 @@
-/**    IAP : internal Flash memory access library
- *
- *        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
- *
- *               LPC1768 --
- *                    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
- *
- *        Released under the MIT License: http://mbed.org/license/mit
- *
- *        revision 1.0  09-Mar-2010   1st release
- *        revision 1.1  12-Mar-2010   chaged: to make possible to reserve flash area for user
- *                                            it can be set by USER_FLASH_AREA_START and USER_FLASH_AREA_SIZE in IAP.h
- *        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-2015   LPC812 and LPC824 support added
- *        revision 3.1  13-Jan-2015   LPC1114 support added
- *        revision 3.1.1 16-Jan-2015  Target MCU name changed for better compatibility across the platforms
- */
-
-#include    "mbed.h"
-#include    "IAP.h"
-
-#define     USER_FLASH_AREA_START_STR( x )      STR( x )
-#define     STR( x )                            #x
-
-unsigned char user_area[ USER_FLASH_AREA_SIZE ] __attribute__((section( ".ARM.__at_" USER_FLASH_AREA_START_STR( USER_FLASH_AREA_START ) ), zero_init));
-
-/*
- *  Reserve of flash area is explained by Igor. Please refer next URL
- *    http://mbed.org/users/okano/notebook/iap-in-application-programming-internal-flash-eras/?page=1#comment-271
- */
-
-//unsigned char user_area[ size ] __attribute__((section(".ARM.__at_0x78000"), zero_init));
-
-/*
- *  IAP command codes
- *  Table 589. "IAP Command Summary", Chapter 8. "IAP commands", usermanual
- */
-
-enum command_code {
-    IAPCommand_Prepare_sector_for_write_operation    = 50,
-    IAPCommand_Copy_RAM_to_Flash,
-    IAPCommand_Erase_sector,
-    IAPCommand_Blank_check_sector,
-    IAPCommand_Read_part_ID,
-    IAPCommand_Read_Boot_Code_version,
-    IAPCommand_Compare,
-    IAPCommand_Reinvoke_ISP,
-    IAPCommand_Read_device_serial_number,
-#if defined(TARGET_LPC11UXX)
-    IAPCommand_EEPROM_Write = 61,
-    IAPCommand_EEPROM_Read,
-#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X)
-    IAPCommand_Erase_page = 59,
-#endif
-};
-
-int IAP::reinvoke_isp( void ) {
-    __disable_irq();
-    
-    IAP_command[ 0 ]    = IAPCommand_Reinvoke_ISP;
-    
-    iap_entry( IAP_command, IAP_result );
-    
-    return ( (int)IAP_result[ 0 ] );
-}
-
-/** Read part identification number
- *
- *  @return    device ID
- *  @see       read_serial()
- */
-int IAP::read_ID( void )
-{
-    IAP_command[ 0 ]    = IAPCommand_Read_part_ID;
-
-    iap_entry( IAP_command, IAP_result );
-
-    //  return ( (int)IAP_result[ 0 ] );
-    return ( (int)IAP_result[ 1 ] );    //  to return the number itself (this command always returns CMD_SUCCESS)
-}
-
-int *IAP::read_serial( void ) {
-    IAP_command[ 0 ]    = IAPCommand_Read_device_serial_number;
-    
-    iap_entry( IAP_command, IAP_result );
-    
-    //  return ( (int)IAP_result[ 0 ] );
-    return ( (int *)&IAP_result[ 1 ] );    //  to return the number itself (this command always returns CMD_SUCCESS)
-}
-
-int IAP::blank_check( int start, int end )
-{
-    IAP_command[ 0 ]    = IAPCommand_Blank_check_sector;
-    IAP_command[ 1 ]    = (unsigned int)start;  //  Start Sector Number
-    IAP_command[ 2 ]    = (unsigned int)end;    //  End Sector Number (should be greater than or equal to start sector number)
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-int IAP::erase( int start, int end )
-{
-    IAP_command[ 0 ]    = IAPCommand_Erase_sector;
-    IAP_command[ 1 ]    = (unsigned int)start;  //  Start Sector Number
-    IAP_command[ 2 ]    = (unsigned int)end;    //  End Sector Number (should be greater than or equal to start sector number)
-    IAP_command[ 3 ]    = cclk_kHz;             //  CPU Clock Frequency (CCLK) in kHz
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-int IAP::prepare( int start, int end )
-{
-    IAP_command[ 0 ]    = IAPCommand_Prepare_sector_for_write_operation;
-    IAP_command[ 1 ]    = (unsigned int)start;  //  Start Sector Number
-    IAP_command[ 2 ]    = (unsigned int)end;    //  End Sector Number (should be greater than or equal to start sector number).
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-int IAP::write( char *source_addr, char *target_addr, int size )
-{
-    IAP_command[ 0 ]    = IAPCommand_Copy_RAM_to_Flash;
-    IAP_command[ 1 ]    = (unsigned int)target_addr;    //  Destination flash address where data bytes are to be written. This address should be a 256 byte boundary.
-    IAP_command[ 2 ]    = (unsigned int)source_addr;    //  Source RAM address from which data bytes are to be read. This address should be a word boundary.
-    IAP_command[ 3 ]    = size;                         //  Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
-    IAP_command[ 4 ]    = cclk_kHz;                     //  CPU Clock Frequency (CCLK) in kHz.
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-int IAP::compare( char *source_addr, char *target_addr, int size )
-{
-    IAP_command[ 0 ]    = IAPCommand_Compare;
-    IAP_command[ 1 ]    = (unsigned int)target_addr;    //  Starting flash or RAM address of data bytes to be compared. This address should be a word boundary.
-    IAP_command[ 2 ]    = (unsigned int)source_addr;    //  Starting flash or RAM address of data bytes to be compared. This address should be a word boundary.
-    IAP_command[ 3 ]    = size;                         //  Number of bytes to be compared; should be a multiple of 4.
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-int IAP::read_BootVer(void)
-{
-    IAP_command[0] = IAPCommand_Read_Boot_Code_version;
-    IAP_result[1] = 0; // not sure if in high or low bits.
-    iap_entry(IAP_command, IAP_result);
-    return ((int)IAP_result[1]);
-}
-
-char * IAP::reserved_flash_area_start( void )
-{
-    return ( (char *)USER_FLASH_AREA_START );
-}
-
-int IAP::reserved_flash_area_size( void )
-{
-    return ( USER_FLASH_AREA_SIZE );
-}
-
-#if defined(TARGET_LPC11UXX)
-
-int IAP::write_eeprom( char *source_addr, char *target_addr, int size )
-{
-    IAP_command[ 0 ]    = IAPCommand_EEPROM_Write;
-    IAP_command[ 1 ]    = (unsigned int)target_addr;    //  Destination EEPROM address where data bytes are to be written. This address should be a 256 byte boundary.
-    IAP_command[ 2 ]    = (unsigned int)source_addr;    //  Source RAM address from which data bytes are to be read. This address should be a word boundary.
-    IAP_command[ 3 ]    = size;                         //  Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
-    IAP_command[ 4 ]    = cclk_kHz;                     //  CPU Clock Frequency (CCLK) in kHz.
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-int IAP::read_eeprom( char *source_addr, char *target_addr, int size )
-{
-    IAP_command[ 0 ]    = IAPCommand_EEPROM_Read;
-    IAP_command[ 1 ]    = (unsigned int)source_addr;    //  Source EEPROM address from which data bytes are to be read. This address should be a word boundary.
-    IAP_command[ 2 ]    = (unsigned int)target_addr;    //  Destination RAM address where data bytes are to be written. This address should be a 256 byte boundary.
-    IAP_command[ 3 ]    = size;                         //  Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
-    IAP_command[ 4 ]    = cclk_kHz;                     //  CPU Clock Frequency (CCLK) in kHz.
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X)
-
-int IAP::erase_page( int start, int end )
-{
-    IAP_command[ 0 ]    = IAPCommand_Erase_page;
-    IAP_command[ 1 ]    = (unsigned int)start;  //  Start Sector Number
-    IAP_command[ 2 ]    = (unsigned int)end;    //  End Sector Number (should be greater than or equal to start sector number)
-    IAP_command[ 3 ]    = cclk_kHz;             //  CPU Clock Frequency (CCLK) in kHz
-
-    iap_entry( IAP_command, IAP_result );
-
-    return ( (int)IAP_result[ 0 ] );
-}
-
-#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IAP_STM32F4.cpp	Sun Apr 10 11:32:54 2016 +0000
@@ -0,0 +1,212 @@
+#if defined(TARGET_STM32F4)
+/**    IAP : internal Flash memory access library
+ *
+ *        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
+ *
+ *               LPC1768 --
+ *                    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
+ *
+ *        Released under the MIT License: http://mbed.org/license/mit
+ *
+ *        revision 1.0  09-Mar-2010   1st release
+ *        revision 1.1  12-Mar-2010   chaged: to make possible to reserve flash area for user
+ *                                            it can be set by USER_FLASH_AREA_START and USER_FLASH_AREA_SIZE in IAP.h
+ *        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-2015   LPC812 and LPC824 support added
+ *        revision 3.1  13-Jan-2015   LPC1114 support added
+ *        revision 3.1.1 16-Jan-2015  Target MCU name changed for better compatibility across the platforms
+ */
+
+#include    "mbed.h"
+#include    "IAP.h"
+
+#define     USER_FLASH_AREA_START_STR( x )      STR( x )
+#define     STR( x )                            #x
+
+//unsigned char user_area[ USER_FLASH_AREA_SIZE ] __attribute__((section( ".ARM.__at_" USER_FLASH_AREA_START_STR( USER_FLASH_AREA_START ) ), zero_init));
+
+/*
+ *  Reserve of flash area is explained by Igor. Please refer next URL
+ *    http://mbed.org/users/okano/notebook/iap-in-application-programming-internal-flash-eras/?page=1#comment-271
+ */
+
+//unsigned char user_area[ size ] __attribute__((section(".ARM.__at_0x78000"), zero_init));
+
+/*
+ *  IAP command codes
+ *  Table 589. "IAP Command Summary", Chapter 8. "IAP commands", usermanual
+ */
+
+enum command_code {
+    IAPCommand_Prepare_sector_for_write_operation    = 50,
+    IAPCommand_Copy_RAM_to_Flash,
+    IAPCommand_Erase_sector,
+    IAPCommand_Blank_check_sector,
+    IAPCommand_Read_part_ID,
+    IAPCommand_Read_Boot_Code_version,
+    IAPCommand_Compare,
+    IAPCommand_Reinvoke_ISP,
+    IAPCommand_Read_device_serial_number,
+#if defined(TARGET_LPC11UXX)
+    IAPCommand_EEPROM_Write = 61,
+    IAPCommand_EEPROM_Read,
+#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X)
+    IAPCommand_Erase_page = 59,
+#endif
+};
+
+int IAP::reinvoke_isp( void ) {
+    return INVALID_COMMAND;
+}
+
+/** Read part identification number
+ *
+ *  @return    device ID
+ *  @see       read_serial()
+ */
+int IAP::read_ID( void )
+{
+    // TODO
+    return ( (int)IAP_result[ 1 ] );    //  to return the number itself (this command always returns CMD_SUCCESS)
+}
+
+int *IAP::read_serial( void ) {
+    // TODO
+    return ( (int *)&IAP_result[ 1 ] );    //  to return the number itself (this command always returns CMD_SUCCESS)
+}
+
+int IAP::blank_check( int start, int end )
+{
+    static const int base[8] = {0x00000, 0x04000, 0x08000, 0xc000, 0x10000, 0x20000, 0x40000, 0x60000};
+    static const int size[8] = {0x4000, 0x4000, 0x4000, 0x4000, 0x10000, 0x20000, 0x20000, 0x20000};         
+    for(int i = start; i <= end; i++) {
+        for(int j = 0; j < size[i]; j++) {
+            if (*(char*)(base[i] + j) != 0x00) {
+                return SECTOR_NOT_BLANK;
+            }
+        }
+    }
+    return CMD_SUCCESS;
+}
+
+struct FLASH_Unlock {
+    FLASH_Unlock() { HAL_FLASH_Unlock(); }
+    ~FLASH_Unlock() { HAL_FLASH_Lock(); }
+};
+
+int IAP::erase( int start, int end )
+{
+    if (start >= FLASH_SECTOR_TOTAL || end >= FLASH_SECTOR_TOTAL) {
+        return INVALID_SECTOR;
+    }
+    FLASH_EraseInitTypeDef Erase;
+    Erase.TypeErase = FLASH_TYPEERASE_SECTORS;
+    Erase.VoltageRange = FLASH_VOLTAGE_RANGE_1;
+    Erase.NbSectors = end - start + 1;
+    Erase.Sector = start;
+    uint32_t PageError = 0;
+    FLASH_Unlock unlock;
+    HAL_StatusTypeDef status = HAL_FLASHEx_Erase(&Erase, &PageError);
+    return status == HAL_OK ? CMD_SUCCESS : INVALID_COMMAND;
+}
+
+int IAP::prepare( int start, int end )
+{
+    if (start >= FLASH_SECTOR_TOTAL || end >= FLASH_SECTOR_TOTAL) {
+        return INVALID_SECTOR;
+    }
+    return CMD_SUCCESS;
+}
+
+int IAP::write( char *source_addr, char *target_addr, int size )
+{
+    uint32_t data;
+    FLASH_Unlock unlock;
+    for(int n = 0; n < size; n += sizeof(data)) {
+        memcpy(&data, source_addr + n, sizeof(data));
+        if (HAL_OK != HAL_FLASH_Program(TYPEPROGRAM_WORD, (uint32_t)target_addr + n, data)) {
+            return INVALID_COMMAND;
+        }
+    }    
+    return CMD_SUCCESS;            
+}
+
+int IAP::compare( char *source_addr, char *target_addr, int size )
+{
+    return memcmp(source_addr, target_addr, size) == 0 ? CMD_SUCCESS : COMPARE_ERROR;
+}
+
+int IAP::read_BootVer(void)
+{
+    // TODO
+    return 0;
+}
+
+char * IAP::reserved_flash_area_start( void )
+{
+    // TODO
+    return NULL;
+}
+
+int IAP::reserved_flash_area_size( void )
+{
+    // TODO
+    return 0;
+}
+
+#if defined(TARGET_LPC11UXX)
+
+int IAP::write_eeprom( char *source_addr, char *target_addr, int size )
+{
+    IAP_command[ 0 ]    = IAPCommand_EEPROM_Write;
+    IAP_command[ 1 ]    = (unsigned int)target_addr;    //  Destination EEPROM address where data bytes are to be written. This address should be a 256 byte boundary.
+    IAP_command[ 2 ]    = (unsigned int)source_addr;    //  Source RAM address from which data bytes are to be read. This address should be a word boundary.
+    IAP_command[ 3 ]    = size;                         //  Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
+    IAP_command[ 4 ]    = cclk_kHz;                     //  CPU Clock Frequency (CCLK) in kHz.
+
+    iap_entry( IAP_command, IAP_result );
+
+    return ( (int)IAP_result[ 0 ] );
+}
+
+int IAP::read_eeprom( char *source_addr, char *target_addr, int size )
+{
+    IAP_command[ 0 ]    = IAPCommand_EEPROM_Read;
+    IAP_command[ 1 ]    = (unsigned int)source_addr;    //  Source EEPROM address from which data bytes are to be read. This address should be a word boundary.
+    IAP_command[ 2 ]    = (unsigned int)target_addr;    //  Destination RAM address where data bytes are to be written. This address should be a 256 byte boundary.
+    IAP_command[ 3 ]    = size;                         //  Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
+    IAP_command[ 4 ]    = cclk_kHz;                     //  CPU Clock Frequency (CCLK) in kHz.
+
+    iap_entry( IAP_command, IAP_result );
+
+    return ( (int)IAP_result[ 0 ] );
+}
+
+#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X)
+
+int IAP::erase_page( int start, int end )
+{
+    IAP_command[ 0 ]    = IAPCommand_Erase_page;
+    IAP_command[ 1 ]    = (unsigned int)start;  //  Start Sector Number
+    IAP_command[ 2 ]    = (unsigned int)end;    //  End Sector Number (should be greater than or equal to start sector number)
+    IAP_command[ 3 ]    = cclk_kHz;             //  CPU Clock Frequency (CCLK) in kHz
+
+    iap_entry( IAP_command, IAP_result );
+
+    return ( (int)IAP_result[ 0 ] );
+}
+
+#endif
+
+#endif // TARGET_STM32L1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IAP_STM32L1.cpp	Sun Apr 10 11:32:54 2016 +0000
@@ -0,0 +1,203 @@
+#if defined(TARGET_STM32L1)
+/**    IAP : internal Flash memory access library
+ *
+ *        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
+ *
+ *               LPC1768 --
+ *                    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
+ *
+ *        Released under the MIT License: http://mbed.org/license/mit
+ *
+ *        revision 1.0  09-Mar-2010   1st release
+ *        revision 1.1  12-Mar-2010   chaged: to make possible to reserve flash area for user
+ *                                            it can be set by USER_FLASH_AREA_START and USER_FLASH_AREA_SIZE in IAP.h
+ *        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-2015   LPC812 and LPC824 support added
+ *        revision 3.1  13-Jan-2015   LPC1114 support added
+ *        revision 3.1.1 16-Jan-2015  Target MCU name changed for better compatibility across the platforms
+ */
+
+#include    "mbed.h"
+#include    "IAP.h"
+
+#define     USER_FLASH_AREA_START_STR( x )      STR( x )
+#define     STR( x )                            #x
+
+//unsigned char user_area[ USER_FLASH_AREA_SIZE ] __attribute__((section( ".ARM.__at_" USER_FLASH_AREA_START_STR( USER_FLASH_AREA_START ) ), zero_init));
+
+/*
+ *  Reserve of flash area is explained by Igor. Please refer next URL
+ *    http://mbed.org/users/okano/notebook/iap-in-application-programming-internal-flash-eras/?page=1#comment-271
+ */
+
+//unsigned char user_area[ size ] __attribute__((section(".ARM.__at_0x78000"), zero_init));
+
+/*
+ *  IAP command codes
+ *  Table 589. "IAP Command Summary", Chapter 8. "IAP commands", usermanual
+ */
+
+enum command_code {
+    IAPCommand_Prepare_sector_for_write_operation    = 50,
+    IAPCommand_Copy_RAM_to_Flash,
+    IAPCommand_Erase_sector,
+    IAPCommand_Blank_check_sector,
+    IAPCommand_Read_part_ID,
+    IAPCommand_Read_Boot_Code_version,
+    IAPCommand_Compare,
+    IAPCommand_Reinvoke_ISP,
+    IAPCommand_Read_device_serial_number,
+#if defined(TARGET_LPC11UXX)
+    IAPCommand_EEPROM_Write = 61,
+    IAPCommand_EEPROM_Read,
+#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X)
+    IAPCommand_Erase_page = 59,
+#endif
+};
+
+int IAP::reinvoke_isp( void ) {
+    return INVALID_COMMAND;
+}
+
+/** Read part identification number
+ *
+ *  @return    device ID
+ *  @see       read_serial()
+ */
+int IAP::read_ID( void )
+{
+    // TODO
+    return ( (int)IAP_result[ 1 ] );    //  to return the number itself (this command always returns CMD_SUCCESS)
+}
+
+int *IAP::read_serial( void ) {
+    // TODO
+    return ( (int *)&IAP_result[ 1 ] );    //  to return the number itself (this command always returns CMD_SUCCESS)
+}
+
+int IAP::blank_check( int start, int end )
+{
+    for(int i = start; i <= end; i++) {
+        for(int j = 0; j < FLASH_PAGE_SIZE; j++) {
+            if (*(char*)(i * FLASH_PAGE_SIZE + j) != 0x00) {
+                return SECTOR_NOT_BLANK;
+            }
+        }
+    }
+    return CMD_SUCCESS;
+}
+
+struct FLASH_Unlock {
+    FLASH_Unlock() { HAL_FLASH_Unlock(); }
+    ~FLASH_Unlock() { HAL_FLASH_Lock(); }
+};
+
+int IAP::erase( int start, int end )
+{
+    FLASH_EraseInitTypeDef Erase;
+    Erase.TypeErase = TYPEERASEDATA_BYTE;
+    Erase.PageAddress = start * FLASH_PAGE_SIZE;
+    Erase.NbPages = end - start + 1;
+    uint32_t PageError = 0;
+    FLASH_Unlock unlock;
+    HAL_StatusTypeDef status = HAL_FLASHEx_Erase(&Erase, &PageError);
+    return status == HAL_OK ? CMD_SUCCESS : INVALID_COMMAND;
+}
+
+int IAP::prepare( int start, int end )
+{
+    return CMD_SUCCESS;
+}
+
+int IAP::write( char *source_addr, char *target_addr, int size )
+{
+    uint32_t data;
+    FLASH_Unlock unlock;
+    for(int n = 0; n < size; n += sizeof(data)) {
+        memcpy(&data, source_addr + n, sizeof(data));
+        if (HAL_OK != HAL_FLASH_Program(TYPEPROGRAM_WORD, (uint32_t)target_addr + n, data)) {
+            return INVALID_COMMAND;
+        }
+    }    
+    return CMD_SUCCESS;            
+}
+
+int IAP::compare( char *source_addr, char *target_addr, int size )
+{
+    return memcmp(source_addr, target_addr, size) == 0 ? CMD_SUCCESS : COMPARE_ERROR;
+}
+
+int IAP::read_BootVer(void)
+{
+    // TODO
+    return 0;
+}
+
+char * IAP::reserved_flash_area_start( void )
+{
+    // TODO
+    return NULL;
+}
+
+int IAP::reserved_flash_area_size( void )
+{
+    // TODO
+    return 0;
+}
+
+#if defined(TARGET_LPC11UXX)
+
+int IAP::write_eeprom( char *source_addr, char *target_addr, int size )
+{
+    IAP_command[ 0 ]    = IAPCommand_EEPROM_Write;
+    IAP_command[ 1 ]    = (unsigned int)target_addr;    //  Destination EEPROM address where data bytes are to be written. This address should be a 256 byte boundary.
+    IAP_command[ 2 ]    = (unsigned int)source_addr;    //  Source RAM address from which data bytes are to be read. This address should be a word boundary.
+    IAP_command[ 3 ]    = size;                         //  Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
+    IAP_command[ 4 ]    = cclk_kHz;                     //  CPU Clock Frequency (CCLK) in kHz.
+
+    iap_entry( IAP_command, IAP_result );
+
+    return ( (int)IAP_result[ 0 ] );
+}
+
+int IAP::read_eeprom( char *source_addr, char *target_addr, int size )
+{
+    IAP_command[ 0 ]    = IAPCommand_EEPROM_Read;
+    IAP_command[ 1 ]    = (unsigned int)source_addr;    //  Source EEPROM address from which data bytes are to be read. This address should be a word boundary.
+    IAP_command[ 2 ]    = (unsigned int)target_addr;    //  Destination RAM address where data bytes are to be written. This address should be a 256 byte boundary.
+    IAP_command[ 3 ]    = size;                         //  Number of bytes to be written. Should be 256 | 512 | 1024 | 4096.
+    IAP_command[ 4 ]    = cclk_kHz;                     //  CPU Clock Frequency (CCLK) in kHz.
+
+    iap_entry( IAP_command, IAP_result );
+
+    return ( (int)IAP_result[ 0 ] );
+}
+
+#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X)
+
+int IAP::erase_page( int start, int end )
+{
+    IAP_command[ 0 ]    = IAPCommand_Erase_page;
+    IAP_command[ 1 ]    = (unsigned int)start;  //  Start Sector Number
+    IAP_command[ 2 ]    = (unsigned int)end;    //  End Sector Number (should be greater than or equal to start sector number)
+    IAP_command[ 3 ]    = cclk_kHz;             //  CPU Clock Frequency (CCLK) in kHz
+
+    iap_entry( IAP_command, IAP_result );
+
+    return ( (int)IAP_result[ 0 ] );
+}
+
+#endif
+
+#endif // TARGET_STM32L1