This series mainly explains the basic knowledge of wavelet theory, basic theory of wavelet transform and wavelet algorithm and other related knowledge.
Various matrix keyboard scanning program collections The simplest matrix keyboard scanning program key:mov p0,#00001111b;The upper four bits and the lower four bits are rows and columns respectively,
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In the official file-operation example, when single-stepping into the WriteFileToDevice() function, lRetVal = sl_FsOpen (create file mode), the return value after running is less than 0, and then it e