FLASH test VMD642 development board flash chips for Spansion This routine VMD642_flash directory. The tests include FLASH FLASH erase and read/write operations, and the storage space in which the mapping is correct. First configure the EMIF, making the FLASH 8 512K space is mapped to the DM642 memory space. Erase the FLASH 8 pages. VMD642_rset (VMD642_FLASHPAGE, page) setting the current page. In VMD642 development board 4M of flash space is divided into eight 512k pages, each page 512k 64k by the eight components of the sector. But note this in Spansion FLASH chip, it' s 4M address space is so arranged: total 72 sectors, including sector 0-7 of 8k,. Sector 8-63 of 64k. Therefore, in VMD642-C in the first page of the first sector is divided into 8 8k the sub sectors. After erase, write to the FLASH pages per order starting data. By the same order of the data read out FLASH compare read/write is correct.

VMD642_flash\Debug\dm642main.obj
............\.....\ves_dm642.obj
............\.....\vmd642_cpld.obj
............\.....\vmd642_flash.obj
............\.....\vmdm642_cpld.obj
............\.....\vmdm642_flash.obj
............\.....\vmflash.map
............\.....\vmflash.out
............\.....\vssver.scc
............\Debug.lkf
............\include\vmd642.h
............\.......\vmd642_flash.h
............\.......\vssver.scc
............\src\dm642main.c
............\...\ves_dm642.asm
............\...\vmd642_cpld.c
............\...\vmd642_flash.c
............\...\vmd642_flash.c.bak
............\...\vssver.scc
............\vmd642.cmd
............\vmd642flash.paf2
............\vmd642flash.pjt
............\VMD642~1.SBL
............\vssver.scc
............\Debug
............\include
............\Release
............\src
VMD642_flash

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