Norimasa Okamoto
IAP compatible.
Fork of
IAP
by 
Tedd OKANO
Import programSTM32_IAP_internal_flash_write
STM32_IAP demo.
Last commit 30 Apr 2016 by 
Norimasa Okamoto
Revision 12:fd6a08b46228, committed 2016-04-30
- Comitter:
- va009039
- Date:
- Sat Apr 30 03:32:33 2016 +0000
- Parent:
- 11:937bd817d5bf
- Commit message:
- add STM32L0
Changed in this revision
--- a/IAP.h Tue Apr 12 15:09:09 2016 +0000
+++ b/IAP.h Sat Apr 30 03:32:33 2016 +0000
@@ -450,7 +450,7 @@
*/
int reserved_flash_area_size( void );
-#if defined(TARGET_LPC11UXX)||defined(TARGET_STM32L1)
+#if defined(TARGET_LPC11UXX)||defined(TARGET_STM32L0)||defined(TARGET_STM32L1)
/** Copy RAM to EEPROM (LPC11U24)
*
--- a/IAP_STM32F0.cpp Tue Apr 12 15:09:09 2016 +0000
+++ b/IAP_STM32F0.cpp Sat Apr 30 03:32:33 2016 +0000
@@ -141,7 +141,7 @@
int IAP::write( char *source_addr, char *target_addr, int size )
{
- if (!IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr) || !IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr + size)) {
+ if (!IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr) || !IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr + size - 1)) {
return DST_ADDR_NOT_MAPPED;
}
uint32_t data;
--- a/IAP_STM32F4.cpp Tue Apr 12 15:09:09 2016 +0000
+++ b/IAP_STM32F4.cpp Sat Apr 30 03:32:33 2016 +0000
@@ -82,16 +82,16 @@
}
int *IAP::read_serial( void ) {
- memcpy(&IAP_result[1], (void*)0x1fff7a10, sizeof(uint32_t) * 3);
+ memcpy(&IAP_result[1], (void*)0x1fff7a10, sizeof(uint32_t) * 3); // RM0383 24.1
IAP_result[4] = 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 )
{
- if (start > end || start >= FLASH_SECTOR_TOTAL || end >= FLASH_SECTOR_TOTAL) {
+ if (start > end || !IS_FLASH_SECTOR(start) || !IS_FLASH_SECTOR(end)) {
return INVALID_SECTOR;
- }
+ }
static const int offset[8+1] = {0x00000, 0x04000, 0x08000, 0xc000, 0x10000, 0x20000, 0x40000, 0x60000, 0x80000};
uint8_t* it = reinterpret_cast<uint8_t*>(FLASH_BASE + offset[start]);
uint8_t* it_end = reinterpret_cast<uint8_t*>(FLASH_BASE + offset[end + 1]);
@@ -110,7 +110,7 @@
int IAP::erase( int start, int end )
{
- if (start >= FLASH_SECTOR_TOTAL || end >= FLASH_SECTOR_TOTAL) {
+ if (start > end || !IS_FLASH_SECTOR(start) || !IS_FLASH_SECTOR(end)) {
return INVALID_SECTOR;
}
FLASH_EraseInitTypeDef Erase;
@@ -126,7 +126,7 @@
int IAP::prepare( int start, int end )
{
- if (start >= FLASH_SECTOR_TOTAL || end >= FLASH_SECTOR_TOTAL) {
+ if (start > end || !IS_FLASH_SECTOR(start) || !IS_FLASH_SECTOR(end)) {
return INVALID_SECTOR;
}
return CMD_SUCCESS;
@@ -134,6 +134,9 @@
int IAP::write( char *source_addr, char *target_addr, int size )
{
+ if (!IS_FLASH_ADDRESS((int)target_addr) || !IS_FLASH_ADDRESS((int)target_addr + size - 1)) {
+ return DST_ADDR_NOT_MAPPED;
+ }
uint32_t data;
FLASH_Unlock unlock;
for(int n = 0; n < size; n += sizeof(data)) {
@@ -212,4 +215,4 @@
#endif
-#endif // TARGET_STM32L1
+#endif // TARGET_STM32F4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/IAP_STM32L0.cpp Sat Apr 30 03:32:33 2016 +0000
@@ -0,0 +1,245 @@
+#if defined(TARGET_STM32L0)
+/** 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 )
+{
+ IAP_result[1] = HAL_GetDEVID();
+ return ( (int)IAP_result[ 1 ] ); // to return the number itself (this command always returns CMD_SUCCESS)
+}
+
+int *IAP::read_serial( void ) {
+ memcpy(&IAP_result[1], (void*)0x1ff80050, sizeof(uint32_t) * 3); // RM0377 28.2
+ IAP_result[4] = 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 )
+{
+ if (!IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + start * FLASH_PAGE_SIZE) || !IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + end * FLASH_PAGE_SIZE)) {
+ return INVALID_SECTOR;
+ }
+ uint8_t* p = reinterpret_cast<uint8_t*>(FLASH_BASE + start * FLASH_PAGE_SIZE);
+ uint8_t* e = p + (end - start + 1) * FLASH_PAGE_SIZE;
+ while(p < e) {
+ if (*p++ != 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 (!IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + start * FLASH_PAGE_SIZE) || !IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + end * FLASH_PAGE_SIZE)) {
+ return INVALID_SECTOR;
+ }
+ FLASH_EraseInitTypeDef Erase;
+ Erase.TypeErase = FLASH_TYPEERASE_PAGES;
+ 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 )
+{
+ if (!IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + start * FLASH_PAGE_SIZE) || !IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + end * FLASH_PAGE_SIZE)) {
+ return INVALID_SECTOR;
+ }
+ return CMD_SUCCESS;
+}
+
+int IAP::write( char *source_addr, char *target_addr, int size )
+{
+ if (!IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr) || !IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr + size - 1)) {
+ return DST_ADDR_NOT_MAPPED;
+ }
+ 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;
+}
+
+struct EEPROM_Unlock {
+ EEPROM_Unlock() { HAL_FLASHEx_DATAEEPROM_Unlock(); }
+ ~EEPROM_Unlock() { HAL_FLASHEx_DATAEEPROM_Lock(); }
+};
+
+int IAP::write_eeprom( char *source_addr, char *target_addr, int size )
+{
+ if (!IS_FLASH_DATA_ADDRESS((uint32_t)target_addr) || !IS_FLASH_DATA_ADDRESS((uint32_t)target_addr + size -1)) {
+ return DST_ADDR_NOT_MAPPED;
+ }
+ EEPROM_Unlock unlock;
+ for(int i = 0; i < size; i++, source_addr++, target_addr++) {
+ if (HAL_OK != HAL_FLASHEx_DATAEEPROM_Program(TYPEPROGRAMDATA_BYTE, (uint32_t)target_addr, *source_addr)) {
+ return INVALID_COMMAND;
+ }
+ }
+ return CMD_SUCCESS;
+}
+
+int IAP::read_eeprom( char *source_addr, char *target_addr, int size )
+{
+ if (!IS_FLASH_DATA_ADDRESS((uint32_t)source_addr) || !IS_FLASH_DATA_ADDRESS((uint32_t)source_addr + size - 1)) {
+ return SRC_ADDR_NOT_MAPPED;
+ }
+ EEPROM_Unlock unlock;
+ memcpy(target_addr, source_addr, size);
+ return CMD_SUCCESS;
+}
+
+#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_STM32F0, TARGET_STM32L0
--- a/IAP_STM32L1.cpp Tue Apr 12 15:09:09 2016 +0000
+++ b/IAP_STM32L1.cpp Sat Apr 30 03:32:33 2016 +0000
@@ -82,13 +82,16 @@
}
int *IAP::read_serial( void ) {
- memcpy(&IAP_result[1], (void*)0x1ff800d0, sizeof(uint32_t) * 3);
+ memcpy(&IAP_result[1], (void*)0x1ff800d0, sizeof(uint32_t) * 3); // RM0388 31.2
IAP_result[4] = 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 )
{
+ if (!IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + start * FLASH_PAGE_SIZE) || !IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + end * FLASH_PAGE_SIZE)) {
+ return INVALID_SECTOR;
+ }
uint8_t* p = reinterpret_cast<uint8_t*>(FLASH_BASE + start * FLASH_PAGE_SIZE);
uint8_t* e = p + (end - start + 1) * FLASH_PAGE_SIZE;
while(p < e) {
@@ -106,6 +109,9 @@
int IAP::erase( int start, int end )
{
+ if (!IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + start * FLASH_PAGE_SIZE) || !IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + end * FLASH_PAGE_SIZE)) {
+ return INVALID_SECTOR;
+ }
FLASH_EraseInitTypeDef Erase;
Erase.TypeErase = TYPEERASEDATA_BYTE;
Erase.PageAddress = start * FLASH_PAGE_SIZE;
@@ -118,12 +124,15 @@
int IAP::prepare( int start, int end )
{
+ if (!IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + start * FLASH_PAGE_SIZE) || !IS_FLASH_PROGRAM_ADDRESS(FLASH_BASE + end * FLASH_PAGE_SIZE)) {
+ return INVALID_SECTOR;
+ }
return CMD_SUCCESS;
}
int IAP::write( char *source_addr, char *target_addr, int size )
{
- if (!IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr) || !IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr + size)) {
+ if (!IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr) || !IS_FLASH_PROGRAM_ADDRESS((uint32_t)target_addr + size - 1)) {
return DST_ADDR_NOT_MAPPED;
}
uint32_t data;
@@ -167,7 +176,7 @@
int IAP::write_eeprom( char *source_addr, char *target_addr, int size )
{
- if (!IS_FLASH_DATA_ADDRESS((uint32_t)target_addr) || !IS_FLASH_DATA_ADDRESS((uint32_t)target_addr + size -1)) {
+ if (!IS_FLASH_DATA_ADDRESS((uint32_t)target_addr) || !IS_FLASH_DATA_ADDRESS((uint32_t)target_addr + size - 1)) {
return DST_ADDR_NOT_MAPPED;
}
EEPROM_Unlock unlock;