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各位,
有DSP6748 emifa里面那个1bit汉明码的软件计算代码吗?
因为现在板上要用硬件ecc,但生成yaffs镜像时,我需要生成相同格式的1bit ecc才行. yaffs里面自带的软件1bit ecc和硬件的这个不匹配
c6748 EMIFA的ecc是硬件实现的，没有软件算法可以参考。
不过你可以看一下下面的GenECC 工具源码。http://processors.wiki.ti.com/index.php/NAND_ECC_Generation_for_DaVinci_Family_of_Devices
