#define W1 2841 /* 2048*sqrt(2)*cos(1*pi/16) */ #define W2 2676 /* 2048*sqrt(2)*cos(2*pi/16) */ #define W3 2408 /* 2048*sqrt(2)*cos(3*pi/16) */ #define W5 1609 ...
File picFile_SD; //Define the File type variable of SD library as a global variable, used to point to open file, get location, offset, or close file ...
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