microchip单片机pic18f202的一段源代码，适合做电源控制

设计要求： 出于不同目的的旅客对交通工具有不同的要求.例如,因公出差的旅客希望在旅途中的时间尽可能短,出门旅游的游客则期望旅费尽可能省,而老年旅客则要求中转次数最少.编制一个全国城市间的交通咨询程序,为旅客提供两种或三种最优决策的交通咨询. //请保留此信息，谢谢 1.需求分析: (1)提供对城市信息进行编辑(如添加或删除)的功能. (2)城市之间有两种交通工具:火车和飞机.提供对列车时刻表和飞机航班进行编辑(增设或删除)的功能. (3)提供两种最优决策:最快到达或最省钱到达.全程只考虑一种交通工具. -design requirements : For different purposes to transport passengers have different requirements. For example, on official business travelers in the journey time as short as possible away tourists expect possible travel provinces, and elderly passengers asked the least number of transit. establishment of a national inter-city traffic advisory proceedings, for the visitors two or three best decision of the Transport Advisory.// Please keep this information, I would like to thank one. demand analysis : (1) to provide information on the city for editing (such as add or delete) function. (2) Town between the two modes : Train and aircraft. Schedules for the train and flights for editing (created or deleted) function. (3)

汇编非常有用的资源你也许用他非常方便学习汇编它是不错的样本-very useful compilation of resources you may use his learning very convenient compilation it is a good sample

S1实验板 AT89C51 12M晶振 加法实验(52H+FCH=01001110B)在P1口显示 -S1 board AT89C51 12M Adder crystal experiment (52H+ FCH = 01001110B) in the P1 I show

一个计算程序，能实现加、减、乘、除的计算。该程序接受 的是16进制数。 执行时，需在文件名后直接跟上计算表达式-a computer program can achieve, plus or minus, by, in addition to the calculation. The program is acceptable to the 16-band number. Implementation required in the file name directly to keep up with the formulas

电动自行车里程系统。 安装于电动自行车上，可以自动记录里程数。-Electric bicycle mileage system. Installed in the electric bicycle, you can automatically record mileage.

The programm introduce how to choose points to create line_circle. -The programm introduce how to choose points to create line_circle.

(中断子程序)计时子程序----------------ＣＬＯＣＫ 功能：①TMR1每50000指令周期(即50000微秒)中断一次, 进入本程序后重装定时器 TMR1, 并清除TMR1溢出标志(PIR1,0). -(Interrupt Subroutine) subroutine CLOCK timing functions: ① TMR1 every 50000 instruction cycles (that is 50000 microseconds) disruption of the first to enter this process re-timer TMR1, and clear TMR1 overflow flag (PIR1, 0).

输入学生姓名，学号，成绩，成绩可保留一位小数，然后按成绩排序，输出结果-input student score ,sort and output the result

由四幅图片组成，循环显示出小男孩跑动动动画，退出后显示本人信息-Photos from 4 of the cycle shows that the little boy running dynamic animation, I quit after the show information

功能最全的能够运行四则运算的计算器且利用堆栈实现带括号的功能-The most versatile able to run the calculator and the four operations with the use of the stack to achieve the function in parentheses