
STM32_IAP demo.
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Diff: IAP.h
- Revision:
- 1:a85b51eeb446
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- 0:b802bd2f4cc9
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- 2:c22f0c87fee6
--- a/IAP.h Fri Mar 12 10:24:57 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,222 +0,0 @@ -/** 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 - */ - -#ifndef MBED_IAP -#define MBED_IAP - -#include "mbed.h" - -#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 -}; - - -/** 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 ); - -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