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Button.h
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Button.h
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//- -----------------------------------------------------------------------------------------------------------------------
// AskSin++
// 2016-10-31 papa Creative Commons - http:https://creativecommons.org/licenses/by-nc-sa/3.0/de/
//- -----------------------------------------------------------------------------------------------------------------------
#ifndef __BUTTON_H__
#define __BUTTON_H__
#include "AlarmClock.h"
#include "Debug.h"
#if ARDUINO_ARCH_AVR or ARDUINO_ARCH_ATMEGA32
typedef uint8_t WiringPinMode;
#endif
namespace as {
template <uint8_t OFFSTATE=HIGH,uint8_t ONSTATE=LOW,WiringPinMode MODE=INPUT_PULLUP>
class StateButton: public Alarm {
#define DEBOUNCETIME millis2ticks(50)
public:
enum States {
invalid = 0,
none = 1,
released = 2,
pressed = 3,
debounce = 4,
longpressed = 5,
longreleased = 6,
};
class CheckAlarm : public Alarm {
public:
StateButton& sb;
CheckAlarm (StateButton& _sb) : Alarm(0), sb(_sb) {}
~CheckAlarm () {}
virtual void trigger(__attribute__((unused)) AlarmClock& clock) {
sb.check();
}
};
protected:
uint8_t stat : 3;
uint8_t pinstate : 1;
uint8_t pin;
uint16_t longpresstime;
CheckAlarm ca;
public:
StateButton() :
Alarm(0), stat(none), pinstate(OFFSTATE), pin(0), longpresstime(millis2ticks(400)), ca(*this) {
}
virtual ~StateButton() {
}
void setLongPressTime(uint16_t t) {
longpresstime = t;
}
uint8_t getPin () {
return pin;
}
virtual void trigger(AlarmClock& clock) {
uint8_t nextstate = invalid;
uint16_t nexttick = 0;
switch ( state() ) {
case released:
case longreleased:
nextstate = none;
break;
case debounce:
nextstate = pressed;
if (pinstate == ONSTATE) {
// set timer for detect longpressed
nexttick = longpresstime - DEBOUNCETIME;
} else {
nextstate = released;
nexttick = DEBOUNCETIME;
}
break;
case pressed:
case longpressed:
if( pinstate == ONSTATE) {
nextstate = longpressed;
nexttick = longpresstime;
}
break;
}
// reactivate alarm if needed
if( nexttick != 0 ) {
tick = nexttick;
clock.add(*this);
}
// trigger the state change
if( nextstate != invalid ) {
state(nextstate);
}
}
virtual void state(uint8_t s) {
switch(s) {
case released: DPRINTLN(F(" released")); break;
case pressed: DPRINTLN(F(" pressed")); break;
case debounce: DPRINTLN(F(" debounce")); break;
case longpressed: DPRINTLN(F(" longpressed")); break;
case longreleased: DPRINTLN(F(" longreleased")); break;
default: DPRINTLN(F("")); break;
}
stat = s;
}
uint8_t state() const {
return stat;
}
void irq () {
sysclock.cancel(ca);
// use alarm to run code outside of interrupt
sysclock.add(ca);
}
void check() {
uint8_t ps = digitalRead(pin);
if( pinstate != ps ) {
pinstate = ps;
uint16_t nexttick = 0;
uint8_t nextstate = state();
switch ( state() ) {
case none:
nextstate = debounce;
nexttick = DEBOUNCETIME;
break;
case pressed:
case longpressed:
if (pinstate == OFFSTATE) {
nextstate = state() == pressed ? released : longreleased;
nexttick = DEBOUNCETIME;
}
break;
default:
break;
}
if( nexttick != 0 ) {
sysclock.cancel(*this);
tick = nexttick;
sysclock.add(*this);
}
if( nextstate != state () ) {
state(nextstate);
}
}
}
void init(uint8_t pin) {
this->pin = pin;
pinMode(pin, MODE);
}
};
// define standard button switches to GND
typedef StateButton<HIGH,LOW,INPUT_PULLUP> Button;
template <class DEVTYPE,uint8_t OFFSTATE=HIGH,uint8_t ONSTATE=LOW,WiringPinMode MODE=INPUT_PULLUP>
class ConfigButton : public StateButton<OFFSTATE,ONSTATE,MODE> {
DEVTYPE& device;
public:
typedef StateButton<OFFSTATE,ONSTATE,MODE> ButtonType;
ConfigButton (DEVTYPE& dev,uint8_t longpresstime=3) : device(dev) {
this->setLongPressTime(seconds2ticks(longpresstime));
}
virtual ~ConfigButton () {}
virtual void state (uint8_t s) {
uint8_t old = ButtonType::state();
ButtonType::state(s);
if( s == ButtonType::released ) {
device.startPairing();
}
else if( s == ButtonType::longpressed ) {
if( old == ButtonType::longpressed ) {
// device.reset(); // long pressed again - reset
}
else {
device.led().set(LedStates::key_long);
}
}
}
};
template <class DEVTYPE,uint8_t OFFSTATE=HIGH,uint8_t ONSTATE=LOW,WiringPinMode MODE=INPUT_PULLUP>
class ConfigToggleButton : public StateButton<OFFSTATE,ONSTATE,MODE> {
DEVTYPE& device;
public:
typedef StateButton<OFFSTATE,ONSTATE,MODE> ButtonType;
ConfigToggleButton (DEVTYPE& dev,uint8_t longpresstime=3) : device(dev) {
this->setLongPressTime(seconds2ticks(longpresstime));
}
virtual ~ConfigToggleButton () {}
virtual void state (uint8_t s) {
uint8_t old = ButtonType::state();
ButtonType::state(s);
if( s == ButtonType::released ) {
RemoteEventMsg& msg = (RemoteEventMsg&)device.message();
HMID self;
device.getDeviceID(self);
uint8_t cnt = device.nextcount();
msg.init(cnt,1,cnt,false,false);
msg.to(self);
msg.from(self);
if( device.channel(1).process(msg) == false ) {
DPRINTLN(F("No self peer - use toggleState"));
// no self peer - use old toggle code
device.channel(1).toggleState();
}
}
else if( s == ButtonType::longreleased ) {
device.startPairing();
}
else if( s == ButtonType::longpressed ) {
if( old == ButtonType::longpressed ) {
device.reset(); // long pressed again - reset
}
else {
device.led().set(LedStates::key_long);
}
}
}
};
template <class DEVTYPE,uint8_t OFFSTATE=HIGH,uint8_t ONSTATE=LOW,WiringPinMode MODE=INPUT_PULLUP>
class InternalButton : public StateButton<OFFSTATE,ONSTATE,MODE> {
DEVTYPE& device;
uint8_t num, counter;
public:
typedef StateButton<OFFSTATE,ONSTATE,MODE> ButtonType;
InternalButton (DEVTYPE& dev,uint8_t n,uint8_t longpresstime=4) : device(dev), num(n), counter(0) {
this->setLongPressTime(decis2ticks(longpresstime));
}
virtual ~InternalButton () {}
virtual void state (uint8_t s) {
ButtonType::state(s);
if( s == ButtonType::released ) {
RemoteEventMsg& msg = fillMsg(false);
device.process(msg);
counter++;
}
else if( s == ButtonType::longpressed ) {
RemoteEventMsg& msg = fillMsg(true);
device.process(msg);
}
else if( s == ButtonType::longreleased ) {
counter++;
}
}
RemoteEventMsg& fillMsg (bool lg) {
RemoteEventMsg& msg = (RemoteEventMsg&)device.message();
HMID self;
device.getDeviceID(self);
uint8_t cnt = device.nextcount();
msg.init(cnt,num,counter,lg,false);
msg.to(self);
msg.from(self);
return msg;
}
Peer peer () const {
HMID self;
device.getDeviceID(self);
return Peer(self,num);
}
};
#define buttonISR(btn,pin) class btn##ISRHandler { \
public: \
static void isr () { btn.irq(); } \
}; \
btn.init(pin); \
if( digitalPinToInterrupt(pin) == NOT_AN_INTERRUPT ) \
enableInterrupt(pin,btn##ISRHandler::isr,CHANGE); \
else \
attachInterrupt(digitalPinToInterrupt(pin),btn##ISRHandler::isr,CHANGE);
}
#endif