利用MSP430F149实现TB捕获测量输入信号的频率！-TB using MSP430F149 achieve capture the frequency of the input signal measurement!

实用的基础msp430的模块程序C语言编程 包括基础时钟，ADC,DAC单通道单序列，多通道多序列等，锁相环，异步串行，，FLASH擦写，中断，比较捕获，PWM波形的产生，LCD模块程序，行列式键盘，基本定时器，DMA数据传输捕获脉冲信号周期等-Practical basis for msp430 module C programming, including basic clock, ADC, DAC channel single sequence, such as multi-chann

本代码基于keil3，实现lpc2103捕获AB相编码器信号功能-This code is based on keil3, and help lpc2103 capture the AB encoder signals