求STC12C5A60S2 AD转换C语言程序，解释详细点

#include "stc12c5a56s2.h" #include "intrins.h" #define FOSC 11059200L #define BAUD 9600 typedef unsigned char BYTE; typedef unsigned int WORD; /*Declare SFR associated with the ADC */ //sfr ADC_CONTR