2812adc例程，可直接在ccs中模拟仿真-2812adc routines, can be directly in the simulation at ccs

ADC monitor.Display adc value over pc via serial port.16F877A (include CCS source)+ exe (need netfraework) -ADC monitor.Display adc value over pc via serial port.16F877A (include CCS source)+ exe (need netfraework)