此为使用周立功ARM1138编的音频分析仪的代码，主要包括FFT运算、测频校正算法、以周立功TFT液晶LTM024D130的驱动文件为基础编的LCD显示的用户界面，使用的IAR V5.11(32KB限制)下进行编程-This is audio analyzer code based on the ZLG ARM1138, mainly including FFT operation, frequency measurement corr