51单片机控制2相步进电机C程序，环境为KEIL开发环境-51 2-phase stepper motor microcontroller control C program, the environment for the KEIL development environment

用51单片机控制直流电机恒速转动的C程序，在keil环境下编译而成-DC motor with constant speed control 51 single rotation of the C program, compiled with the keil environment