Files
aqhomecontrol/apps/aqhome-react/units/u_stabilize.c
2024-03-11 21:32:22 +01:00

214 lines
6.0 KiB
C

/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2024 Martin Preuss, all rights reserved.
*
* The license for this file can be found in the file COPYING which you
* should have received along with this file.
****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "./u_stabilize.h"
#include <gwenhywfar/debug.h>
/* ------------------------------------------------------------------------------------------------
* defines
* ------------------------------------------------------------------------------------------------
*/
#define AQHOMEREACT_UNIT_STABILIZE_INSLOT_INPUT 0
#define AQHOMEREACT_UNIT_STABILIZE_INSLOT_TIMER 1
#define AQHOMEREACT_UNIT_STABILIZE_OUTSLOT_OUTPUT 0
/* ------------------------------------------------------------------------------------------------
* type declarations
* ------------------------------------------------------------------------------------------------
*/
typedef struct AQHREACT_UNIT_STABILIZE AQHREACT_UNIT_STABILIZE;
struct AQHREACT_UNIT_STABILIZE {
uint64_t tsHoldUntil;
int lastProcessedState;
int currentOutState;
};
GWEN_INHERIT(AQHREACT_UNIT, AQHREACT_UNIT_STABILIZE)
/* ------------------------------------------------------------------------------------------------
* forward declarations
* ------------------------------------------------------------------------------------------------
*/
static void GWENHYWFAR_CB _freeData(void *bp, void *p);
static int _cbProcessFn(AQHREACT_UNIT *unit);
static int _checkState(AQHREACT_UNIT *unit);
static int _handleStateNoChange(AQHREACT_UNIT *unit, AQHREACT_UNIT_STABILIZE *xunit, int newState);
static void _startTimer(AQHREACT_UNIT *unit, AQHREACT_UNIT_STABILIZE *xunit, int newState);
static void _setOutput(AQHREACT_UNIT *unit, AQHREACT_UNIT_STABILIZE *xunit, int newState);
/* ------------------------------------------------------------------------------------------------
* implementations
* ------------------------------------------------------------------------------------------------
*/
AQHREACT_UNIT *AqHomeReact_UnitStabilize_new(void)
{
AQHREACT_UNIT_STABILIZE *xunit;
AQHREACT_UNIT *unit;
AQHREACT_OUTPUT_SLOT *outputSlot;
AQHREACT_INPUT_SLOT *inputSlot;
unit=AQHREACT_Unit_new();
GWEN_NEW_OBJECT(AQHREACT_UNIT_STABILIZE, xunit);
GWEN_INHERIT_SETDATA(AQHREACT_UNIT, AQHREACT_UNIT_STABILIZE, unit, xunit, _freeData);
AQHREACT_Unit_SetName(unit, "stabilize");
AQHREACT_Unit_SetDescription(unit, "Stabilize signal changes (only propagate changes stable for some time)");
AQHREACT_Unit_SetProcessFn(unit, _cbProcessFn);
outputSlot=AQHREACT_OutputSlot_new();
AQHREACT_OutputSlot_SetName(outputSlot, "output");
AQHREACT_OutputSlot_SetIdForUnit(outputSlot, AQHOMEREACT_UNIT_STABILIZE_OUTSLOT_OUTPUT);
AQHREACT_OutputSlot_SetEmittedDataType(outputSlot, AQHREACT_DATAOBJECTTYPE_DOUBLE);
AQHREACT_Unit_AddOutputSlot(unit, outputSlot);
inputSlot=AQHREACT_InputSlot_new();
AQHREACT_InputSlot_SetName(inputSlot, "input");
AQHREACT_InputSlot_SetIdForUnit(inputSlot, AQHOMEREACT_UNIT_STABILIZE_INSLOT_INPUT);
AQHREACT_InputSlot_SetAcceptedDataType(inputSlot, AQHREACT_DATAOBJECTTYPE_DOUBLE);
AQHREACT_Unit_AddInputSlot(unit, inputSlot);
inputSlot=AQHREACT_InputSlot_new();
AQHREACT_InputSlot_SetName(inputSlot, "timer");
AQHREACT_InputSlot_SetIdForUnit(inputSlot, AQHOMEREACT_UNIT_STABILIZE_INSLOT_TIMER);
AQHREACT_InputSlot_SetAcceptedDataType(inputSlot, AQHREACT_DATAOBJECTTYPE_DOUBLE);
AQHREACT_Unit_AddInputSlot(unit, inputSlot);
return unit;
}
void _freeData(void *bp, void *p)
{
AQHREACT_UNIT_STABILIZE *xunit;
xunit=(AQHREACT_UNIT_STABILIZE*) p;
GWEN_FREE_OBJECT(xunit);
}
int _cbProcessFn(AQHREACT_UNIT *unit)
{
if (unit && AQHREACT_Unit_InputHasChanged(unit)) {
int rv;
rv=_checkState(unit);
AQHREACT_Unit_ClearChangeFlagsInUnitAndInputSlots(unit);
return rv;
}
return 0;
}
int _checkState(AQHREACT_UNIT *unit)
{
AQHREACT_UNIT_STABILIZE *xunit;
int result=0;
xunit=GWEN_INHERIT_GETDATA(AQHREACT_UNIT, AQHREACT_UNIT_STABILIZE, unit);
if (xunit) {
AQHREACT_INPUT_SLOT *dataSlot;
dataSlot=AQHREACT_Unit_GetInputSlotByIdForUnit(unit, AQHOMEREACT_UNIT_STABILIZE_INSLOT_INPUT);
if (dataSlot) {
AQHREACT_DATAOBJECT *dataObject;
dataObject=AQHREACT_InputSlot_GetCurrentDataObject(dataSlot);
if (dataObject) {
int newState;
newState=(AQHREACT_DataObject_GetDoubleData(dataObject)>0.0)?1:0;
if (newState!=xunit->lastProcessedState) {
_startTimer(unit, xunit, newState);
result=1;
}
else {
if (_handleStateNoChange(unit, xunit, newState)>0)
result=1;
}
xunit->lastProcessedState=newState;
}
}
}
return result;
}
int _handleStateNoChange(AQHREACT_UNIT *unit, AQHREACT_UNIT_STABILIZE *xunit, int newState)
{
int result=0;
uint64_t now;
now=(uint64_t) time(NULL);
if (now>xunit->tsHoldUntil) {
/* timeout, switch output */
_setOutput(unit, xunit, newState);
result=1;
}
return result;
}
void _startTimer(AQHREACT_UNIT *unit, AQHREACT_UNIT_STABILIZE *xunit, int newState)
{
int holdTime;
uint64_t now;
now=(uint64_t) time(NULL);
DBG_INFO(NULL, "Starting timeout counter (%d)", newState);
if (newState)
holdTime=AQHREACT_Unit_GetParamValueDouble(unit, AQHOMEREACT_UNIT_STABILIZE_PARAM_HOLDTIME_HIGH, 0.0);
else
holdTime=AQHREACT_Unit_GetParamValueDouble(unit, AQHOMEREACT_UNIT_STABILIZE_PARAM_HOLDTIME_LOW, 30.0);
if (holdTime<=0.0)
_setOutput(unit, xunit, newState);
else
xunit->tsHoldUntil=now+holdTime;
}
void _setOutput(AQHREACT_UNIT *unit, AQHREACT_UNIT_STABILIZE *xunit, int newState)
{
/* timeout, switch output */
DBG_INFO(NULL, "Switch output to %s", newState?"ON":"OFF");
AQHREACT_Unit_OutputDoubleData(unit, AQHOMEREACT_UNIT_STABILIZE_OUTSLOT_OUTPUT, newState?1.0:0.0);
xunit->currentOutState=newState;
xunit->tsHoldUntil=0;
}