Aes encryption code
Dependencies: Crypto USBDevice mbed
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Diff: IAP.h
- Revision:
- 0:aaf22a04f350
diff -r 000000000000 -r aaf22a04f350 IAP.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/IAP.h Thu Feb 04 03:42:24 2016 +0000 @@ -0,0 +1,237 @@ +/** IAP : internal Flash memory access library + * + * The internal Flash memory access is described in the LPC1768 usermanual. + * http://www.nxp.com/documents/user_manual/UM10360.pdf + * + * Chapter 2: "LPC17xx Memory map" + * Chapter 32: "LPC17xx Flash memory interface and programming" + * refering Rev. 01 - 4 January 2010 + * + * 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 + * + * by Tedd OKANO http://mbed.org/users/okano/notebook/iap-in-application-programming-internal-flash-eras/ + * modified by Suga (supported to LPC11U24) + */ + +#ifndef MBED_IAP +#define MBED_IAP + +#include "mbed.h" + +#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) +#define USER_FLASH_AREA_START FLASH_SECTOR_29 +#define USER_FLASH_AREA_SIZE (FLASH_SECTOR_SIZE_16_TO_29 * 1) +#elif defined(TARGET_LPC11U24) +#define USER_FLASH_AREA_START FLASH_SECTOR_8 // why won't this work as-is, with _7? +#define USER_FLASH_AREA_SIZE (FLASH_SECTOR_SIZE_0_TO_15 * 1) +#endif + +/* + * 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, +#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368) + (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 +#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 + * + * Chapter 8. "IAP commands", usermanual + */ + +#define IAP_LOCATION 0x1fff1ff1 +typedef void (*IAP_call)(unsigned int [], unsigned int []); + +/** IAP class + * + * Interface for internal flash memory access + */ + + +class IAP { +public: + + /* + * SystemCoreClock ??? : + * http://mbed.org/forum/mbed/topic/229/ + * http://mbed.org/users/simon/programs/SystemCoreClock/16mhsh/ + */ + + + /** Constructor for IAP + * + */ + + IAP() : iap_entry( reinterpret_cast<IAP_call>(IAP_LOCATION) ), cclk_kHz( SystemCoreClock / 1000 ) {} + int read_ID( void ); + int read_serial( void ); + int blank_check( int start, int end ); + int erase( int start, int end ); + int prepare( int start, int end ); + int write( char *source_addr, char *target_addr, int size ); + int compare( char *source_addr, char *target_addr, int size ); + + char *reserved_flash_area_start( void ); + int reserved_flash_area_size( void ); + +#if defined(TARGET_LPC11U24) + int write_eeprom( char *source_addr, char *target_addr, int size ); + int read_eeprom( char *source_addr, char *target_addr, int size ); +#endif + +private: + IAP_call iap_entry; + unsigned int IAP_command[ 5 ]; + unsigned int IAP_result[ 5 ]; + int cclk_kHz; + + //int cpu_clock( void ); +} +; + +#endif // #ifndef MBED_IAP