my_timer_conter.h

频率计,用arm7实现。 核心芯片为S3C44B0, 用以实现对外部信号的频率计数

#define __My_timer_counter_H

 
/*My definination goes as follow*/ 
 
 
 
 #define frequency   (*((volatile unsigned long *) 0x40001000))   /*目标频率最终值*/ 
 
 #define prescaler   (*((volatile unsigned long *) 0x40001010))   /*分频参数*/