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##### Boot for Nor Flash Main Menu #####
##### EmbedSky USB download mode #####
[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot (eboot.nb0) to Nand Flash
[3] Download Linux Kernel (zImage.bin) to Nand Flash
[5] Download CRAMFS image to Nand Flash
[6] Download YAFFS image (root.bin) to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
Download LOGO Picture (.bin) to Nand Flash
[l] Set LCD Parameters
[n] Enter TFTP download mode menu
[o] Download u-boot to Nor Flash
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] quit from menu
Enter your selection: 1;烧写uboot
USB host is connected. Waiting a download.
Now, Downloading [ADDRESS:30000000h,TOTAL:231066]
RECEIVED FILE SIZE: 231066 (225KB/S, 1S)
NAND erase: device 0 offset 0x0, size 0x40000
Erasing at 0x20000 -- 100% complete.
OK
NAND write: device 0 offset 0x0, size 0x38690
Writing data at 0x38000 -- 100% complete.
231056 bytes written: OK
////////////////////////////////////////////////////////////////////
问题 :
我对红字的理解是,先从0x20000开始,擦除ox40000大小的空间到0x60000,再从0x38000处开始烧写,因为文件大小是0x38690,所以少些这么多单元,
可是 这都到达0x70690了呀,这超出了前面擦除的范围啊,在下刚学请指教。
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