通过参考官方的驱动手册。修改ee_blocks.h匹配项目。
具体机理可以参考官方文档。本文档在wind river的编译器dcc下测试并使用。
1 #ifndef _EE_BLOCKS_H_ 2 #define _EE_BLOCKS_H_ 3 #include "ee_emulation.h" 4 /* test ok for 5644A*/ 5 #define C90LC_LML 0x0004 /* ? Low/Mid Address Sapce Block Locking Register */ 6 #define C90LC_SLL 0x000C /* ? Secondary Low/Mid Address Space Block Locking Register */ 7 8 #define MAIN_ARRAY_BASE 0x00000000 9 10 /* 0 */ 11 #define BLOCK0_OFFSET 0x00010000 /* Offset of L4 */ 12 #define BLOCK0_SIZE 0x4000 /* 16KB size */ 13 #define BLOCK0_MASK 0b10000 /*L */ 14 #define BLOCK0_PARTITION (0x1<<1) 15 #define BLOCK0_ADD_SPACE LOW_ADDRESS_SPACE 16 17 /* 1 */ 18 #define BLOCK1_OFFSET 0x00014000 /* Offset of L5 */ 19 #define BLOCK1_SIZE 0x4000 /* 16 KB size */ 20 #define BLOCK1_MASK 0b100000 /*L */ 21 #define BLOCK1_PARTITION (0x1<<1) 22 #define BLOCK1_ADD_SPACE LOW_ADDRESS_SPACE 23 24 /* 2 */ 25 #define BLOCK2_OFFSET 0x00018000 /* Offset of L6 */ 26 #define BLOCK2_SIZE 0x4000 /* 16 KB size */ 27 #define BLOCK2_MASK 0b1000000 /*0b010000 L6*/ 28 #define BLOCK2_PARTITION (0x1<<1) /*partition 2 (start from partition1)*/ 29 #define BLOCK2_ADD_SPACE LOW_ADDRESS_SPACE 30 31 /* 3 */ 32 #define BLOCK3_OFFSET 0x0001C000 /* Offset of L7 */ 33 #define BLOCK3_SIZE 0x4000 /* 16 KB size */ 34 #define BLOCK3_MASK 0b10000000 /* 0b100000 L7*/ 35 #define BLOCK3_PARTITION (0x1<<1) /*partition 2 (start from partition1)*/ 36 #define BLOCK3_ADD_SPACE LOW_ADDRESS_SPACE 37 38 39 /* 0xFFFFFF0F means unlocking 0b11110000 in the whole space*/ 40 #define UNLOCK_EBLOCKS WRITE32(FLASH_REG_BASE + C90LC_LML, 0xA1A11111); 41 WRITE32(FLASH_REG_BASE + C90LC_SLL, 0xC3C33333); 42 WRITE32(FLASH_REG_BASE + C90LC_LML, 0xFFFFFF0F); 43 WRITE32(FLASH_REG_BASE + C90LC_SLL, 0xFFFFFF0F); 44 45 #endif /* _EE_BLOCKS_H_ */
1 #ifndef _USER_CFG_H_ 2 #define _USER_CFG_H_ 3 #include "ee_blocks.h" 4 #include "ee_emulation.h" 5 6 //#define SCHEME_SELECT ECC8_FIXLENGTH /* works for 5644A */ 7 #define SCHEME_SELECT ECC8_VARLENGTH /* works for 5644A */ 8 //#define SCHEME_SELECT ECC4_FIXLENGTH /* not ok! FSL_InitEeprom returns EE_ERROR_PE_OPT(0x10)*/ 9 //#define SCHEME_SELECT ECC16_FIXLENGTH /* not for 5644A*/ 10 11 #define MAX_REERASE 1 12 13 #define MAX_REPGM_BLK_IND 1 14 15 #define SWAP_CACHE_SIZE 0x30 16 17 #define EER_OPTION IVOR_EXCEPTION 18 19 #define FLASH_MODULE C90FL 20 21 #define FLASH_REG_BASE 0xC3F88000 22 /*1 FLASH_A_REGS_BASE = 0xC3F8_8000 23 FLASH_B_REGS_BASE = 0xC3F8_C000*/ 24 25 /* Size of eeprom cache byte*/ 26 #define EE_CACHE_SIZE 0x80 27 /* Number of eeprom blocks*/ 28 #define NUMBER_OF_BLOCK 4 29 /* Maximum number of active blocks */ 30 #define NUMBER_OF_ACTIVE_BLOCKS 2 31 /* Size of buffer */ 32 #define BUFFER_SIZE 0x50 33 /* Size of data if a fixed length record schem is seleted */ 34 #define DATA_SIZE 0x40 35 36 #endif /* _USER_CFG_H_ */
注意，在使用过程中，flash会发现swap，此时不能再对其进行读写。需要等待高压操作完成后才对flash进行操作。
#if 1 /* necessary busy waiting to ensure safty */
while(eraseStatus_Flag == ERASE_INPROGRESS)
{
ret = FSL_MainFunction(&eepromConf,&CallBack);
}
#endif