派乐高D协议，实现。通过串口来控制云台的运动，简简单明了，通俗易懂 完整源代码，经测试可直接使用。 -Lego D agreement to send to achieve. Through the serial port to control PTZ movement, siimple and clear, easy to understand the full source code can be directly used by the test.

最近在做ppp协议，对其FSC校验不是很了解，查找了资料也很片面，经过慢慢查找，终于总结出了基本过程，于是写了个控制台程序来测试了一下，数据都正确通过。（注：为了减小文件大小，Debug生成的临时文件已全部删除，请重新生成）-Ppp agreement recently made its FSC parity is not very understanding , finding the information is also very one-sided , after slowly find