AT91RM9200-UC/OS-II,clock,irq,usart,pio等驱动

ucos移植到LPC2100系列的代码，包括标准版ARM移植代码和高效版ARM移植代码。文件有：OS_CPU.H Os_cpu_a.s Os_cpu_c.c IRQ.inc-ucos transplanted to LPC2100 series of code, including Standard Edition, version of ARM porting code and efficient portable code for ARM. Documents: OS_CPU.H Os_cp

完整的at91sam7s64 中的timer 0.1.2三个定时器的操作，初始化，中断服务函数。用在ucosii中。-Complete at91sam7s64 the timer 0.1.2 three timer operation, initialization, interrupt service function. Used in ucosii in.