020单片机ADC1采样程序；额外功能：main中主要实现与FPGA并口通信，总体实现FFT,不过FPGA部分没有上传，因此能实现的是ADC1采样。-020 SCM ADC1 sampling procedures additional features: main key to achieve in parallel with the FPGA communication, achieving an overall FFT, but the FPGA portion not uploaded

在AVRSTUDIO16平台上实现的32/16 FFT频谱程序。矩阵灯列用串行转并移位寄存器。-The AVRSTUDIO16 platform to achieve the 32/16 FFT spectrum program. The matrix lamp column uses a serial-to-parallel shift register.