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51 lines
1.5 KiB
51 lines
1.5 KiB
/*****************************************************************************
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* uart.h: Header file for NXP LPC17xx Family Microprocessors
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*
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* Copyright(C) 2017,SensorControl
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* All rights reserved.
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*
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* History
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* 2009.05.27 ver 1.00 Prelimnary version, first Release
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*2017.01.10 ver 1.10 rename tick.h tick.c
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****************************************************************************************/
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#include "tick.h"
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struct _s_nos_tick_ s_nos_tick;
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/*********************************************************************************************************
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* Function Name: timer0Isr
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* Description: TIMER0 ä¸æ–处ç�†å‡½æ•°
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* Input: æ—?
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* Output: æ—?
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* Return: æ—?
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*********************************************************************************************************/
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void L1_tick_init(void)
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{
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s_nos_tick.jiffies = 0;
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s_nos_tick.t_1s = 0;
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s_nos_tick.t1s_heartbeat= 0;
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s_nos_tick.t_50ms = 0;
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}
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//JIFFIES回绕问题没有解决 �� linux time_after�定义
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void L1_tick_tick (void)
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{
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///65535*65535/3600/24/365=139nian/s=1.39nian/10ms
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///相当于1.39å¹´å�Žt_10ms æº¢å‡ºï¼Œå¯¹äºŽç”µæ± ä¾›ç”µçš„ç³»ç»Ÿè€Œè¨€ 完全å�¯ä»¥æ»¡è¶³
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// 4,294,836,225 = 65535*65535 ;3600*24*60*60 = 31,536,000秒/年
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//s_nos_tick.t_50ms ++;//D_led_D1_REV(); 20160522验�
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s_nos_tick.jiffies++;
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//s_nos_tick.t_10ms = 1;
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if(s_nos_tick.jiffies % HZ == 0) ///HZ = 10ms
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{
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// 65535*65535/24/60/60/356/10 =12.7å¹´
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s_nos_tick.t_1s ++;
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s_nos_tick.t1s_heartbeat = 1;
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}
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}
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