以LM3S系列cotex-M3核ARM为例子，详细讲解开发环境IAR5。11的指导书-To LM3S Series cotex-M3 core ARM as an example, explain in detail the development environment IAR5. 11 of the guide book

基于LM3S系列的步进电机驱动器的程序。很容易移植到其它MCU系统。对于设计步进电机驱动器的同行有很好的参考。-Based on the LM3S series of stepper motor driver procedures. It is easy to transplant to other MCU system. For the design of the stepper motor drive counterparts have a good reference.