71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/********************************************************************************
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Copyright (C), Sinowealth Electronic. Ltd.
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Author: Sino
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Version: V0.0
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Date: 2020/04/26
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History:
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V2.0 2020/04/26 Preliminary
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********************************************************************************/
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#include "Main.h"
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BOOL bTimer5msFlg;
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BOOL bTimer50msFlg;
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BOOL bTimer1sFlg;
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U8 ucTimer50ms;
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U8 ucTimer1s;
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/*************************************************************************************************
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* 函数名: InterruptINT4App
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* 参 数: IntSource：外部中断4的中断源
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* 返回值: 无
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* 描 述: 外部中断处理，包括ALARM中断和按键中断，用于低功耗唤醒系统
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*************************************************************************************************/
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void InterruptINT4App(U8 IntSource)
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{
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if(IntSource == INT4_EXS45) //Alarm
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{
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if(bPDFlg || bSleepFlg)
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{
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McuClockSet(MCU_CLK_24MHz);
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bWakeupFlg = 1;
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}
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}
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else if(IntSource == INT4_EXS46) //Key wakeup
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{
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if(bPDFlg || bSleepFlg)
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{
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McuClockSet(MCU_CLK_24MHz);
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bWakeupFlg = 1;
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}
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}
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}
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/*************************************************************************************************
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* 函数名: InterruptTimer3App
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* 参 数: 无
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* 返回值: 无
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* 描 述: 定时器，周期为5mS，产生5mS、50mS、1S三个标志
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*************************************************************************************************/
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void InterruptTimer3App(void)
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{
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bTimer5msFlg = 1; //5ms标志为预留标志
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if(++ucTimer50ms >= TIME_5MS_50MS)
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{
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ucTimer50ms = 0;
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bTimer50msFlg = 1;
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}
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if(++ucTimer1s >= TIME_5MS_1S)
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{
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ucTimer1s = 0;
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bTimer1sFlg = 1;
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}
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KeyScan(); //扫描按键
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}
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