timex.h

来自「内核linux2.4.20,可跟rtlinux3.2打补丁 组成实时linux系」· C头文件 代码 · 共 21 行

/*
 * linux/include/asm-arm/arch-l7200/timex.h
 *
 * Copyright (C) 2000 Rob Scott ([e-mail])
 *                    Steve Hill ([e-mail])
 *
 * 04-21-2000  RS Created file
 * 05-03-2000 SJH Tick rate was wrong
 *
 */

/*
 * On the ARM720T, clock ticks are set to 128 Hz.
 *
 * NOTE: The actual RTC value is set in 'time.h' which
 *       must be changed when choosing a different tick
 *       rate. The value of HZ in 'param.h' must also
 *       be changed to match below.
 */
#define CLOCK_TICK_RATE		128