微分先行PID程序，基于飞思卡尔K60单片机，保证有效-Differential forward PID program, based on Freescale K60 microcontroller, ensure effective

飞思卡尔嵌入式单片机的定时器程序，用跑马灯的循环显示定时的时间。-Freescale embedded microcontroller timer procedures, run the cycle of lantern show regular time.