s3c6410demo功能演示：要求分别能对LED，BUTTON，ADC，PWM蜂鸣器，定时器，看门狗，RTC等模块进行功能测试。-s3c6410demo function demonstrating the s3c6410demo function demo: requirements for functional testing of LEDs, the BUTTON, the ADC, PWM buzzer, timer, Watchdog, RTC and other modules.