在DM642硬件平台上，CCS软件平台上，通过DSP的汇编语言来配置DM642的中断和定时器

dsp程序，利用定时器timer0在XF脚产生周期2ms的的方波-dsp procedure, and use the timer cycle timer0 generated in 2ms XF foot of the square wave

编写TMS320LF2407的对SCI模块、SPI模块、EV中通用定时器（T1、T2、T3、T4）及捕捉逻辑（CAP1\CAP2\CAP3)、外部中断引脚（XINT1、XINT2）和CAN模块初始化程序。-Prepared for SCI module, SPI module, EV in general-purpose timer (T1, T2, T3, T4) and capture logic (CAP1 \ CAP2 \ CAP3), TMS320LF2407 external int