分别对正弦波，三角波，方波，一周期内取为整数的64个点（A=4095）；写锯齿波和方波的谐波构成（只写了3、4个）。-Of sine wave, triangle wave, square wave, A week off for integer in the period of 64 points (A = 4095)　Write a sawtooth wave and square wave of harmonic (only wrote 3, 4).