按键扫描，短按/长按/双击

#include "main.h" ActFunType key_table[KEYSTATE][KEYSTATE] = { {&act3,&act0},{&act2,&act1} }; sKey_Info keyinfo; sMyKey mykeyState[20]; void dealKeyNo( u8 i ) { return; } void dealKeyShort( u8 i ) { //按钮按下不足5s就释放时，判定为短按 button_info[i].press_type = BUTTON_PRESS_NULL; button_info[i].press_short_flag = VALUE; } void dealKeyLong( u8 i ) { if (i < PORT_NUM / 2)//第一组 { usart6_motomsg_reinit( i ); //下层摆臂拨码1~10 usart6_motomsg_reinit( i + PORT_NUM / 2); //上层摆臂拨码11~20 } else//第二组 { usart1_motomsg_reinit( i - PORT_NUM / 2 ); //下层摆臂拨码1~10 usart1_motomsg_reinit( i ); //上层摆臂拨码11~20 } } void dealKeyDouble( u8 i ) { return; } //释放状态被按下 void act0( sKey_Info *pKey ) { pKey->msOffTime = 0; } //按下 void act1( sKey_Info *pKey ) { pKey->msOnTime++; if( KEY_PUSH_10S == pKey->msOnTime ) { pKey->PulseNum = 0; pKey->dealKeyFun = dealKeyLong; (*dealKeyLong)(pKey->nowPort);//长按处理 } } //按下状态被释放 void act2( sKey_Info *pKey ) { pKey->msOffTime = 0; if( ( KEY_PUSH_50MS < pKey->msOnTime ) && (KEY_PUSH_8S > pKey->msOnTime) ) { pKey->PulseNum++; pKey->msOnTime = 0; } // } //释放状态 void act3( sKey_Info *pKey ) { pKey->msOffTime++; if( KEY_PUSH_50MS > pKey->msOffTime ) { pKey->msOffTime++; } else { if( pKey->PulseNum == 1 ) { pKey->dealKeyFun = dealKeyShort; (*dealKeyShort)(pKey->nowPort);//短按处理 } if( pKey->PulseNum >= 2 ) { pKey->dealKeyFun = dealKeyDouble; (*dealKeyDouble)(pKey->nowPort);//双击处理 } pKey->PulseNum = 0; pKey->msOffTime = 0; pKey->msOnTime = 0; } } //在 void handleInputScan() 中调用 void keyScanProc( u8 i,u8 io ) { sMyKey *pState = 0; pState = &mykeyState[i]; pState->keyInfo.nowPort = io; if( io ) { pState->keyInfo.NowState = KEY_ON; } else { pState->keyInfo.NowState = KEY_OFF; } (*key_table[pState->keyInfo.LastState][pState->keyInfo.NowState])( (sKey_Info *) ( &(pState->keyInfo) ) ); pState->keyInfo.LastState = pState->keyInfo.NowState; } // /* void keyScanProc() { u8 input[1] = 0; sMyKey *pState = 0; for(int i = 0; i < 1; i++ ) { input[1] = readInputBitState(i* 2 + 1); pState = &mykeyState; if( input[1] ) { pState->keyInfo.NowState = KEY_ON; } else { pState->keyInfo.NowState = KEY_OFF; } (*key_table[pState->keyInfo.LastState][pState->keyInfo.NowState])( (sKey_Info *) ( &(pState->keyInfo) ) ); pState->keyInfo.LastState = pState->keyInfo.NowState; } } */