student project
Dependencies: mbed
Fork of myiot by
Revision 5:f6a5fc6e1ddd, committed 2016-06-23
- Comitter:
- William_HO
- Date:
- Thu Jun 23 05:17:36 2016 +0000
- Parent:
- 4:07e0a94f29da
- Commit message:
- Added an IAP example to read device ID and serial number.; For feature implement.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/include/IAP/IAP.cpp Thu Jun 23 05:17:36 2016 +0000 @@ -0,0 +1,221 @@ +/** 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/include/IAP/IAP.h Thu Jun 23 05:17:36 2016 +0000 @@ -0,0 +1,495 @@ +/** 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 + */ + + +#ifndef MBED_IAP +#define MBED_IAP + +#include "mbed.h" + +#if defined(TARGET_LPC176X) + +#define USER_FLASH_AREA_START FLASH_SECTOR_29 +#define USER_FLASH_AREA_SIZE (FLASH_SECTOR_SIZE_16_TO_29 * 1) + +/* + * memory map information is available in next URL also. + * http://mbed.org/projects/libraries/svn/mbed/trunk/LPC1768/LPC17xx.h + */ + +/** Table for start adress of sectors + * + * LPC1768 internal flash memory sector numbers and addresses + * + * LPC1768 flash memory are and sector number/size + * Table 568 "Sectors in a LPC17xx device", Section 5. "Sector numbers", usermanual + * + * 0x00000000 - 0x0007FFFF flash (29 sectors) + * + * Sector0: 0x00000000 - 0x00000FFF 4K + * Sector1: 0x00001000 - 0x00001FFF 4K + * Sector2: 0x00002000 - 0x00002FFF 4K + * Sector3: 0x00003000 - 0x00003FFF 4K + * Sector4: 0x00004000 - 0x00004FFF 4K + * Sector5: 0x00005000 - 0x00005FFF 4K + * Sector6: 0x00006000 - 0x00006FFF 4K + * Sector7: 0x00007000 - 0x00007FFF 4K + * Sector8: 0x00008000 - 0x00008FFF 4K + * Sector9: 0x00009000 - 0x00009FFF 4K + * Sector10: 0x0000A000 - 0x0000AFFF 4K + * Sector11: 0x0000B000 - 0x0000BFFF 4K + * Sector12: 0x0000C000 - 0x0000CFFF 4K + * Sector13: 0x0000D000 - 0x0000DFFF 4K + * Sector14: 0x0000E000 - 0x0000EFFF 4K + * Sector15: 0x0000F000 - 0x0000FFFF 4K + * + * Sector16: 0x00010000 - 0x00017FFF 32K + * Sector17: 0x00018000 - 0x0001FFFF 32K + * Sector18: 0x00020000 - 0x00027FFF 32K + * Sector19: 0x00028000 - 0x0002FFFF 32K + * Sector20: 0x00030000 - 0x00037FFF 32K + * Sector21: 0x00038000 - 0x0003FFFF 32K + * Sector22: 0x00040000 - 0x00047FFF 32K + * Sector23: 0x00048000 - 0x0004FFFF 32K + * Sector24: 0x00050000 - 0x00057FFF 32K + * Sector25: 0x00058000 - 0x0005FFFF 32K + * Sector26: 0x00060000 - 0x00067FFF 32K + * Sector27: 0x00068000 - 0x0006FFFF 32K + * Sector28: 0x00070000 - 0x00077FFF 32K + * Sector29: 0x00078000 - 0x0007FFFF 32K + */ + +#define FLASH_SECTOR_0 0x00000000 +#define FLASH_SECTOR_1 0x00001000 +#define FLASH_SECTOR_2 0x00002000 +#define FLASH_SECTOR_3 0x00003000 +#define FLASH_SECTOR_4 0x00004000 +#define FLASH_SECTOR_5 0x00005000 +#define FLASH_SECTOR_6 0x00006000 +#define FLASH_SECTOR_7 0x00007000 +#define FLASH_SECTOR_8 0x00008000 +#define FLASH_SECTOR_9 0x00009000 +#define FLASH_SECTOR_10 0x0000A000 +#define FLASH_SECTOR_11 0x0000B000 +#define FLASH_SECTOR_12 0x0000C000 +#define FLASH_SECTOR_13 0x0000D000 +#define FLASH_SECTOR_14 0x0000E000 +#define FLASH_SECTOR_15 0x0000F000 +#define FLASH_SECTOR_16 0x00010000 +#define FLASH_SECTOR_17 0x00018000 +#define FLASH_SECTOR_18 0x00020000 +#define FLASH_SECTOR_19 0x00028000 +#define FLASH_SECTOR_20 0x00030000 +#define FLASH_SECTOR_21 0x00038000 +#define FLASH_SECTOR_22 0x00040000 +#define FLASH_SECTOR_23 0x00048000 +#define FLASH_SECTOR_24 0x00050000 +#define FLASH_SECTOR_25 0x00058000 +#define FLASH_SECTOR_26 0x00060000 +#define FLASH_SECTOR_27 0x00068000 +#define FLASH_SECTOR_28 0x00070000 +#define FLASH_SECTOR_29 0x00078000 +#define FLASH_SECTOR_SIZE_0_TO_15 ( 4 * 1024) +#define FLASH_SECTOR_SIZE_16_TO_29 (32 * 1024) + +static char * sector_start_adress[] = { + (char *)FLASH_SECTOR_0, + (char *)FLASH_SECTOR_1, + (char *)FLASH_SECTOR_2, + (char *)FLASH_SECTOR_3, + (char *)FLASH_SECTOR_4, + (char *)FLASH_SECTOR_5, + (char *)FLASH_SECTOR_6, + (char *)FLASH_SECTOR_7, + (char *)FLASH_SECTOR_8, + (char *)FLASH_SECTOR_9, + (char *)FLASH_SECTOR_10, + (char *)FLASH_SECTOR_11, + (char *)FLASH_SECTOR_12, + (char *)FLASH_SECTOR_13, + (char *)FLASH_SECTOR_14, + (char *)FLASH_SECTOR_15, + (char *)FLASH_SECTOR_16, + (char *)FLASH_SECTOR_17, + (char *)FLASH_SECTOR_18, + (char *)FLASH_SECTOR_19, + (char *)FLASH_SECTOR_20, + (char *)FLASH_SECTOR_21, + (char *)FLASH_SECTOR_22, + (char *)FLASH_SECTOR_23, + (char *)FLASH_SECTOR_24, + (char *)FLASH_SECTOR_25, + (char *)FLASH_SECTOR_26, + (char *)FLASH_SECTOR_27, + (char *)FLASH_SECTOR_28, + (char *)FLASH_SECTOR_29 +}; + +#elif defined(TARGET_LPC11UXX) || defined(TARGET_LPC11XX) + +#define USER_FLASH_AREA_START FLASH_SECTOR_7 +#define USER_FLASH_AREA_SIZE (FLASH_SECTOR_SIZE * 1) + +/** Table for start adress of sectors + * + * LPC11U24 internal flash memory sector numbers and addresses + * + * LPC11U24 flash memory are and sector number/size + * Table 334 "LPC11U1x/2x flash sectors", Section 20. "Sector numbers", usermanual + * + * 0x00000000 - 0x00007FFF flash (8 sectors) + * + * Sector0: 0x00000000 - 0x00000FFF 4K + * Sector1: 0x00001000 - 0x00001FFF 4K + * Sector2: 0x00002000 - 0x00002FFF 4K + * Sector3: 0x00003000 - 0x00003FFF 4K + * Sector4: 0x00004000 - 0x00004FFF 4K + * Sector5: 0x00005000 - 0x00005FFF 4K + * Sector6: 0x00006000 - 0x00006FFF 4K + * Sector7: 0x00007000 - 0x00007FFF 4K + */ + +#define FLASH_SECTOR_0 0x00000000 +#define FLASH_SECTOR_1 0x00001000 +#define FLASH_SECTOR_2 0x00002000 +#define FLASH_SECTOR_3 0x00003000 +#define FLASH_SECTOR_4 0x00004000 +#define FLASH_SECTOR_5 0x00005000 +#define FLASH_SECTOR_6 0x00006000 +#define FLASH_SECTOR_7 0x00007000 +#define FLASH_SECTOR_SIZE (4 * 1024) + +static char * sector_start_adress[] = { + (char *)FLASH_SECTOR_0, + (char *)FLASH_SECTOR_1, + (char *)FLASH_SECTOR_2, + (char *)FLASH_SECTOR_3, + (char *)FLASH_SECTOR_4, + (char *)FLASH_SECTOR_5, + (char *)FLASH_SECTOR_6, + (char *)FLASH_SECTOR_7, +}; + +#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X) + +#define USER_FLASH_AREA_START FLASH_SECTOR_15 +#define USER_FLASH_AREA_SIZE (FLASH_SECTOR_SIZE * 1) + +/** Table for start adress of sectors + * + * LPC812/LPC824 internal flash memory sector numbers and addresses + * + * 0x00000000 - 0x00003FFF flash (16 sectors for LPC812) + * 0x00000000 - 0x00007FFF flash (32 sectors for LPC824) + * + * Sector0: 0x00000000 - 0x000003FF 1K + * Sector1: 0x00000400 - 0x000007FF 1K + * Sector2: 0x00000800 - 0x00000BFF 1K + * Sector3: 0x00000C00 - 0x00000FFF 1K + * Sector4: 0x00001000 - 0x000013FF 1K + * Sector5: 0x00001400 - 0x000017FF 1K + * Sector6: 0x00001800 - 0x00001BFF 1K + * Sector7: 0x00001C00 - 0x00001FFF 1K + * Sector8: 0x00002000 - 0x000023FF 1K + * Sector9: 0x00002400 - 0x000027FF 1K + * Sector10: 0x00002800 - 0x00002BFF 1K + * Sector11: 0x00002C00 - 0x00002FFF 1K + * Sector12: 0x00003000 - 0x000033FF 1K + * Sector13: 0x00003400 - 0x000037FF 1K + * Sector14: 0x00003800 - 0x00003BFF 1K + * Sector15: 0x00003C00 - 0x00003FFF 1K + * Sector16: 0x00004000 - 0x000043FF 1K (LPC824 only) + * Sector17: 0x00004400 - 0x000047FF 1K (LPC824 only) + * Sector18: 0x00004800 - 0x00004BFF 1K (LPC824 only) + * Sector19: 0x00004C00 - 0x00004FFF 1K (LPC824 only) + * Sector20: 0x00005000 - 0x000053FF 1K (LPC824 only) + * Sector21: 0x00005400 - 0x000057FF 1K (LPC824 only) + * Sector22: 0x00005800 - 0x00005BFF 1K (LPC824 only) + * Sector23: 0x00005C00 - 0x00005FFF 1K (LPC824 only) + * Sector24: 0x00006000 - 0x000063FF 1K (LPC824 only) + * Sector25: 0x00006400 - 0x000067FF 1K (LPC824 only) + * Sector26: 0x00006800 - 0x00006BFF 1K (LPC824 only) + * Sector27: 0x00006C00 - 0x00006FFF 1K (LPC824 only) + * Sector28: 0x00007000 - 0x000073FF 1K (LPC824 only) + * Sector29: 0x00007400 - 0x000077FF 1K (LPC824 only) + * Sector30: 0x00007800 - 0x00007BFF 1K (LPC824 only) + * Sector31: 0x00007C00 - 0x00007FFF 1K (LPC824 only) + */ + +#define FLASH_SECTOR_0 0x00000000 +#define FLASH_SECTOR_1 0x00000400 +#define FLASH_SECTOR_2 0x00000800 +#define FLASH_SECTOR_3 0x00000C00 +#define FLASH_SECTOR_4 0x00001000 +#define FLASH_SECTOR_5 0x00001400 +#define FLASH_SECTOR_6 0x00001800 +#define FLASH_SECTOR_7 0x00001C00 +#define FLASH_SECTOR_8 0x00002000 +#define FLASH_SECTOR_9 0x00002400 +#define FLASH_SECTOR_10 0x00002800 +#define FLASH_SECTOR_11 0x00002C00 +#define FLASH_SECTOR_12 0x00003000 +#define FLASH_SECTOR_13 0x00003400 +#define FLASH_SECTOR_14 0x00003800 +#define FLASH_SECTOR_15 0x00003C00 +#define FLASH_SECTOR_16 0x00004000 // for LPC824 only +#define FLASH_SECTOR_17 0x00004400 // for LPC824 only +#define FLASH_SECTOR_18 0x00004800 // for LPC824 only +#define FLASH_SECTOR_19 0x00004C00 // for LPC824 only +#define FLASH_SECTOR_20 0x00005000 // for LPC824 only +#define FLASH_SECTOR_21 0x00005400 // for LPC824 only +#define FLASH_SECTOR_22 0x00005800 // for LPC824 only +#define FLASH_SECTOR_23 0x00005C00 // for LPC824 only +#define FLASH_SECTOR_24 0x00006000 // for LPC824 only +#define FLASH_SECTOR_25 0x00006400 // for LPC824 only +#define FLASH_SECTOR_26 0x00006800 // for LPC824 only +#define FLASH_SECTOR_27 0x00006C00 // for LPC824 only +#define FLASH_SECTOR_28 0x00007000 // for LPC824 only +#define FLASH_SECTOR_29 0x00007400 // for LPC824 only +#define FLASH_SECTOR_30 0x00007800 // for LPC824 only +#define FLASH_SECTOR_31 0x00007C00 // for LPC824 only +#define FLASH_SECTOR_SIZE (1 * 1024) + +static char * sector_start_adress[] = { + (char *)FLASH_SECTOR_0, + (char *)FLASH_SECTOR_1, + (char *)FLASH_SECTOR_2, + (char *)FLASH_SECTOR_3, + (char *)FLASH_SECTOR_4, + (char *)FLASH_SECTOR_5, + (char *)FLASH_SECTOR_6, + (char *)FLASH_SECTOR_7, + (char *)FLASH_SECTOR_8, + (char *)FLASH_SECTOR_9, + (char *)FLASH_SECTOR_10, + (char *)FLASH_SECTOR_11, + (char *)FLASH_SECTOR_12, + (char *)FLASH_SECTOR_13, + (char *)FLASH_SECTOR_14, + (char *)FLASH_SECTOR_15, + (char *)FLASH_SECTOR_16, // for LPC824 only + (char *)FLASH_SECTOR_17, // for LPC824 only + (char *)FLASH_SECTOR_18, // for LPC824 only + (char *)FLASH_SECTOR_19, // for LPC824 only + (char *)FLASH_SECTOR_20, // for LPC824 only + (char *)FLASH_SECTOR_21, // for LPC824 only + (char *)FLASH_SECTOR_22, // for LPC824 only + (char *)FLASH_SECTOR_23, // for LPC824 only + (char *)FLASH_SECTOR_24, // for LPC824 only + (char *)FLASH_SECTOR_25, // for LPC824 only + (char *)FLASH_SECTOR_26, // for LPC824 only + (char *)FLASH_SECTOR_27, // for LPC824 only + (char *)FLASH_SECTOR_28, // for LPC824 only + (char *)FLASH_SECTOR_29, // for LPC824 only + (char *)FLASH_SECTOR_30, // for LPC824 only + (char *)FLASH_SECTOR_31 // for LPC824 only +}; + +#endif + +/** Error code by IAP routine + * + * Table 588 "ISP Return Codes Summary", Section 7.15 "ISP Return Codes", usermanual + */ + +enum error_code { + CMD_SUCCESS, + INVALID_COMMAND, + SRC_ADDR_ERROR, + DST_ADDR_ERROR, + SRC_ADDR_NOT_MAPPED, + DST_ADDR_NOT_MAPPED, + COUNT_ERROR, + INVALID_SECTOR, + SECTOR_NOT_BLANK, + SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION, + COMPARE_ERROR, + BUSY, + PARAM_ERROR, + ADDR_ERROR, + ADDR_NOT_MAPPED, + CMD_LOCKED, + INVALID_CODE, + INVALID_BAUD_RATE, + INVALID_STOP_BIT, + CODE_READ_PROTECTION_ENABLED +}; + + + +/* + * IAP routine entry + * + * "IAP commands" + */ + +#define IAP_LOCATION 0x1fff1ff1 +typedef void (*IAP_call)(unsigned int [], unsigned int []); + + +/** IAP class + * + * Interface for internal flash memory access + */ + +class IAP +{ +public: + + /** Constructor for IAP + * + */ + IAP() : iap_entry( reinterpret_cast<IAP_call>(IAP_LOCATION) ), cclk_kHz( SystemCoreClock / 1000 ) {} + + /** Reinvoke ISP + * + * @return error code + */ + int reinvoke_isp( void ); + + /** Read part identification number + * + * @return device ID + * @see read_serial() + */ + int read_ID( void ); + + /** Read device serial number + * + * @return device serial number + * @see read_ID() + */ + int *read_serial( void ); + + /** Blank check sector(s) + * + * @param start a Start Sector Number + * @param end an End Sector Number (should be greater than or equal to start sector number). + * @return error code: CMD_SUCCESS | BUSY | SECTOR_NOT_BLANK | INVALID_SECTOR + */ + int blank_check( int start, int end ); + + /** Erase Sector(s) + * + * @param start a Start Sector Number + * @param end an End Sector Number (should be greater than or equal to start sector number). + * @return error code: CMD_SUCCESS | BUSY | SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION | INVALID_SECTOR + */ + int erase( int start, int end ); + + /** Prepare sector(s) for write operation + * + * @param start a Start Sector Number + * @param end an End Sector Number (should be greater than or equal to start sector number). + * @return error code: CMD_SUCCESS | BUSY | INVALID_SECTOR + */ + int prepare( int start, int end ); + + /** Copy RAM to Flash + * + * @param source_addr Source RAM address from which data bytes are to be read. This address should be a word boundary. + * @param target_addr Destination flash address where data bytes are to be written. This address should be a 256 byte boundary. + * @param size Number of bytes to be written. Should be 256 | 512 | 1024 | 4096. + * @return error code: CMD_SUCCESS | SRC_ADDR_ERROR (Address not a word boundary) | DST_ADDR_ERROR (Address not on correct boundary) | SRC_ADDR_NOT_MAPPED | DST_ADDR_NOT_MAPPED | COUNT_ERROR (Byte count is not 256 | 512 | 1024 | 4096) | SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION | BUSY + */ + int write( char *source_addr, char *target_addr, int size ); + + /** Compare <address1> <address2> <no of bytes> + * + * @param source_addr Starting flash or RAM address of data bytes to be compared. This address should be a word boundary. + * @param target_addr Starting flash or RAM address of data bytes to be compared. This address should be a word boundary. + * @param size Number of bytes to be compared; should be a multiple of 4. + * @return error code: CMD_SUCCESS | COMPARE_ERROR | COUNT_ERROR (Byte count is not a multiple of 4) | ADDR_ERROR | ADDR_NOT_MAPPED + */ + int compare( char *source_addr, char *target_addr, int size ); + + /** Read Boot code version number + * + * @return 2 bytes of boot code version number + */ + int read_BootVer( void ); + + /** Get user reserved flash start address + * + * @return start address of user reserved flash memory + * @see reserved_flash_area_size() + */ + + char *reserved_flash_area_start( void ); + + /** Get user reserved flash size + * + * @return size of user reserved flash memory + * @see reserved_flash_area_start() + */ + int reserved_flash_area_size( void ); + +#if defined(TARGET_LPC11UXX) + + /** Copy RAM to EEPROM (LPC11U24) + * + * @param source_addr Source RAM address from which data bytes are to be read. + * @param target_addr Destination EEPROM address where data bytes are to be written. + * @param size Number of bytes to be written. + * @return error code: CMD_SUCCESS | SRC_ADDR_NOT_MAPPED | DST_ADDR_NOT_MAPPED + * Remark: The top 64 bytes of the EEPROM memory are reserved and cannot be written to. + */ + int write_eeprom( char *source_addr, char *target_addr, int size ); + + /** Copy EEPROM to RAM (LPC11U24) + * + * @param source_addr Source EEPROM address from which data bytes are to be read. + * @param target_addr Destination RAM address where data bytes are to be written. + * @param size Number of bytes to be written. + * @return error code: CMD_SUCCESS | SRC_ADDR_NOT_MAPPED | DST_ADDR_NOT_MAPPED + * Remark: The top 64 bytes of the EEPROM memory are reserved and cannot be written to. + */ + int read_eeprom( char *source_addr, char *target_addr, int size ); + +#elif defined(TARGET_LPC81X) || defined(TARGET_LPC82X) + + /** Erase page(s) (LPC812, LPC824) + * + * @param start Start page number. + * @param end End page number (should be greater than or equal to start page). + * @return error code: CMD_SUCCESS | BUSY | SECTOR_NOT_PREPARED_FOR_WRITE_OPERATION | INVALID_SECTOR + */ + int erase_page( int start, int end ); + +#endif + +private: + IAP_call iap_entry; + unsigned int IAP_command[ 5 ]; + unsigned int IAP_result[ 5 ]; + int cclk_kHz; +} +; + +#endif // #ifndef MBED_IAP
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/include/IAP/showDeviceInfo.cpp Thu Jun 23 05:17:36 2016 +0000 @@ -0,0 +1,67 @@ +/** IAP demo : demo code for 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 + * + * This main.cpp demonstrates how the flash can be erased and wrote. + * + * This program tries to... + * 0. read device ID and serial# + + * + * Released under the MIT License: http://mbed.org/license/mit + */ + +#include "mbed.h" +#include "IAP.h" + +#define MEM_SIZE 256 + +#if defined(TARGET_LPC176X) +#define TARGET_SECTOR 29 // use sector 29 as target sector if it is on LPC1768 +#elif defined(TARGET_LPC11UXX) || defined(TARGET_LPC11XX) +#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_LPC81X) || defined(TARGET_LPC82X) +#define TARGET_SECTOR 15 // use sector 15 as target sector if it is on LPC812 +#endif + + + + +void showDeviceInfo() +{ + void memdump( char *p, int n ); + int isprint( int c ); + IAP iap; + int *serial_number; + printf( "\r\n\r\n=== IAP: Flash memory writing test ===\r\n" ); + printf( " device-ID = 0x%08X\r\n", iap.read_ID() ); + + serial_number = iap.read_serial(); + + printf( " serial# =" ); + for ( int i = 0; i < 4; i++ ) + printf( " %08X", *(serial_number + i) ); + printf( "\r\n" ); + printf( " CPU running %dkHz\r\n", 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() ); + + +} + + +