说明：  HART协议源代码，给大家做个参考，不知道对大家学习有没有用，如果有疑问请联系我，谢谢
(Hart protocol，Hart protocol source code files, C voice source program. Personal writing is only for your reference.If you need detailed instructions please contact with me, thanks!Haven t to twenty words?Have finished ah, the words have more than.I m totally speechless, my introduction enough detailed now)