DSP-Applications-Using-C-and-the-TMS320C6x-DSK.pdf图书的随书源代码

				//loop_poll.c Loop program using polling, output=input
				//Comm routines and support files included in C6xdskinit.c
				
				void main()
				{
				  int sample_data;
				
				  comm_poll();	                //init DSK, codec, McBSP
				  while(1)				    //infinite loop
				  {
				    sample_data = input_sample(); //input sample
				    output_sample(sample_data);   //output sample
				  }
				}