StateSW.cpp

00001 #include "StateSW.h"
00002 #include "mbed.h"
00003 
00004 StateSW::StateSW(PinName SWPin) : _SW(SWPin) {}
00005 
00006 void StateSW::Enable(int StateNum, int NoiseCancel, int OpenTime)  {  // _PRSCNT -- unit [times] ,_OPNCNT -- unit [s]
00007     _STATENUM = StateNum;
00008     _REPEAT   = NoiseCancel;
00009     _OPNCNT   = OpenTime;
00010     _preSW = 1;
00011     _PressCount= 0;
00012     _IfCntOpen = 0;
00013     _IfCntClose= 0;
00014     _IfCntState= 0;
00015     _IfAtTime  = 0;
00016 
00017     _StateCounter.attach(this, &StateSW::_SeekPress, 0.05); // Ticker[s]
00018 }
00019 
00020 int  StateSW::State(void){
00021     return _State;
00022 }
00023 
00024 bool StateSW::IfAtTime(void){
00025     return _IfAtTime;
00026 }
00027 
00028 void StateSW::IfCntState(bool IfCntState){
00029     _IfCntState = IfCntState;
00030 }
00031 
00032 void StateSW::IfCntClose(bool IfCntClose){
00033     _IfCntClose = IfCntClose;
00034     if(_IfCntClose == 0 ){
00035         _Timer_SW.stop();
00036         _Timer_SW.reset();
00037     }
00038 }
00039 void StateSW::IfCntOpen(bool IfCntOpen){
00040     _IfCntOpen = IfCntOpen;
00041     if(_IfCntOpen == 0 ){
00042         _Timer_SW.stop();
00043         _Timer_SW.reset();
00044     }
00045 }
00046 
00047 /*
00048 void StateSW::Reset(void){
00049     
00050 }
00051 bool StateSW::IfOnetime(void){
00052     if(IfOnetime==1){
00053         IfOnetime = 0;
00054         return 1;
00055     }
00056     else return 0;
00057 }
00058 */
00059 void StateSW::_SeekPress(void)  {        // instead of InterruptIn  -- for against noise
00060     if(_preSW != _SW)  _PressCount++;
00061     else               _PressCount=0;
00062     if(_PressCount > _REPEAT )  {
00063         if(_SW) StateSW::_rise();
00064         else    StateSW::_fall(); 
00065         _preSW = _SW;
00066         _PressCount = 0;
00067     }
00068     if(_Timer_SW.read() > _OPNCNT){
00069         _Timer_SW.stop();
00070         _Timer_SW.reset();
00071         _IfAtTime =1;
00072     }
00073 }
00074 
00075 void StateSW::_fall(void) {
00076     if(_IfCntOpen == 1 ){
00077         _Timer_SW.stop();
00078         _Timer_SW.reset();
00079     }
00080     if(_IfCntClose== 1 ) _Timer_SW.start();
00081 }
00082 
00083 void StateSW::_rise(void) {
00084     if(_IfCntOpen == 1 ) _Timer_SW.start();
00085     if(_IfCntClose== 1 ){
00086         _Timer_SW.stop();
00087         _Timer_SW.reset();
00088     }
00089     if(_IfCntState) {
00090         _State++;
00091         _State = _State%_STATENUM;
00092 //      IfOnetime=1;
00093     }     
00094 }
00095 
00096