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microPoly.cpp
571 lines (425 loc) · 12.5 KB
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microPoly.cpp
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/******************************************************************************
Low power library for uHex
Copyright (C) <2015> <Leo Yan>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Contact: leo.yan.cn@gmail.com
******************************************************************************
Version : V1.0
Author : Leo Yan
Created : 2015/1
Last Modified :
Description : The library is depend on Arduino environment.
Function List :
******************************************************************************/
#include "MicroPoly.h"
MicroPoly_class PolyuHex;
/*
Board int.0 int.1 int.2 int.3 int.4 int.5
Uno, Ethernet 2 3
Mega2560 2 3 21 20 19 18
Leonardo 3 2 0 1 7
*/
const uint8_t MicroPoly_class::a_interruptMapPin[EXTERNAL_NUM_INTERRUPTS] = {2, 3};
const uint8_t MicroPoly_class::a_ioPort[MICROPOLY_PORT_NUM] = { 2, 3, 4 }; //POR:TB C D
const uint8_t MicroPoly_class::a_ioMask[MICROPOLY_PORT_NUM] = { 0b101110, 0b0111111, 0b100011 }; //include SCK(PB5); exclude D7(PD7), D2(PD2), D3(PD3)
/*******************************************************************************
* Fuction: init class
* Input:
* return:
* note :
*******************************************************************************/
MicroPoly_class::MicroPoly_class() {
uint8_t i;
for ( i = 0; i < EXTERNAL_NUM_INTERRUPTS; i++ )
{
a_InterruptManager[i].state = INVALID_UINT8;
}
wakeEventFlag = false;
wakingOvertime = 0;
pinTriggerState = true; //it will be run when start
timerState = true; //it will be run when start
interruptLogic = OR;
noInterrupts( );
startTime = millis()/1000;
}
#if defined(BODS) && defined(BODSE)
#ifndef sleep_bod_disable
#define sleep_bod_disable() \
do { \
uint8_t tempreg; \
__asm__ __volatile__("in %[tempreg], %[mcucr]" "\n\t" \
"ori %[tempreg], %[bods_bodse]" "\n\t" \
"out %[mcucr], %[tempreg]" "\n\t" \
"andi %[tempreg], %[not_bodse]" "\n\t" \
"out %[mcucr], %[tempreg]" \
: [tempreg] "=&d" (tempreg) \
: [mcucr] "I" _SFR_IO_ADDR(MCUCR), \
[bods_bodse] "i" (_BV(BODS) | _BV(BODSE)), \
[not_bodse] "i" (~_BV(BODSE))); \
} while (0)
#endif
#endif
/*******************************************************************************
* Fuction: set AVR to Power-down sleep state
* Note :
*******************************************************************************/
void MicroPoly_class::sleep() // here we put the arduino to sleep
{
wakeEventFlag = false;
cli();
disablePort();
set_sleep_mode(SLEEP_MODE_PWR_DOWN); // sleep mode is set here
sleep_enable(); // enables the sleep bit in the mcucr register
//so sleep is possible. just a safety pin
enableINT();
do
{
sleep_bod_disable();
sei();
sleep_cpu(); // here the device is actually put to sleep!!
// THE PROGRAM CONTINUES FROM HERE AFTER WAKING UP
delay(1); //if there is no delay, wakeEventFlag always false, why?
}while(!wakeEventFlag);
sleep_disable(); // first thing after waking from sleep: disable sleep...
/**recovery**/
resumePort();
delay(25); //wait for stable power
wakingOvertime = 0;
startTime = millis()/1000;
}
/*******************************************************************************
* Fuction: add pin-trigger to system; it only supports INT0/pin2 and INT1pin3
* Input:
* --pin: 2,3
* --mode: HIGH,LOW
* --logic: AND, OR; (trigger condition = pin2 logic pin3)
* return: void
* note :
*******************************************************************************/
void MicroPoly_class::addPinTrigger( uint8_t pin, uint8_t mode, uint8_t logic )
{
boolean result;
uint8_t interruptNum;
result = false;
for ( interruptNum = 0; interruptNum < EXTERNAL_NUM_INTERRUPTS; interruptNum++ )
{
if ( pin == a_interruptMapPin[interruptNum] )
{
a_InterruptManager[interruptNum].triggerMode = mode;
a_InterruptManager[interruptNum].state = false;
if ( AND == logic )
{
interruptLogic = logic;
}
attachInterrupt( interruptNum, userFunINT, CHANGE );
result = true;
break;
}
}
}
/*******************************************************************************
* Fuction: set overtime to sleep.
* Input:
* --seconds: [0,255]
* return: void
* note1 : the overtime is 0 after wake
* note1 : If it is setted by many times, it will keep the longest overtime.
*******************************************************************************/
void MicroPoly_class::setRunOvertime( uint8_t seconds )
{
startTime = millis()/1000;
if ( seconds > wakingOvertime )
{
wakingOvertime = seconds;
}
}
/*******************************************************************************
* Fuction: check whether overtime.
* return: true or false
*******************************************************************************/
boolean MicroPoly_class::isRunOvertime( void )
{
boolean ret;
ret = false;
if ((uint8_t)((millis()/1000) - startTime) >= wakingOvertime )
{
ret = true;
}
return ret;
}
/******************************Pin Trigger *************************************/
/*******************************************************************************
* Fuction: get triggered state base on addPinTrigger() conditions.
* return: true or false
*******************************************************************************/
boolean MicroPoly_class::isPinTriggered()
{
if ( pinTriggerState )
{
cli();
pinTriggerState = false;
sei();
return true;
}
else
{
return false;
}
}
/*******************************************************************************
* Fuction: check whether triggered base on addPinTrigger() conditions.
* return: true or false
*******************************************************************************/
boolean MicroPoly_class::checkPinTriggered()
{
uint8_t interruptNum, state;
boolean isTriggered;
isTriggered = false;
for ( interruptNum = 0; interruptNum < EXTERNAL_NUM_INTERRUPTS; interruptNum++ )
{
state = a_InterruptManager[interruptNum].state;
if ( AND == interruptLogic )
{
if ( false == state )
{
isTriggered = false;
break;
}
isTriggered = true;
}
else
{
if ( true == state )
{
isTriggered = true;
break;
}
}
}
return isTriggered;
}
/*******************************************************************************
* Fuction: disable ports and modules.
* return: void
*******************************************************************************/
void MicroPoly_class::disablePort(void)
{
/**close port**/
uint8_t i;
volatile uint8_t *out, *ddr;
/**close ports**/
for( i = 0; i < MICROPOLY_PORT_NUM; i++ )
{
ddr = portModeRegister(a_ioPort[i]);
out = portOutputRegister(a_ioPort[i]);
a_preDDRValue[i] = *ddr;
a_prePORTValue[i] = *out;
(*ddr) &= ~a_ioMask[i];
(*out) &= ~a_ioMask[i];
}
/**close I2C**/
preTWCRValue = TWCR;
cbi(TWCR, TWEN);
/**close uart **/
preUCSR0BValue = UCSR0B;
cbi(UCSR0B, TXEN0);
cbi(UCSR0B, RXEN0);
cbi(UCSR0B, TXCIE0);
/**shutdown power**/
DDRD |= _BV(7);
PORTD |= _BV(7);
/**close ADC**/
preADCSRAValue = ADCSRA;
cbi(ADCSRA, ADEN);
}
void MicroPoly_class::resumePort(void)
{
uint8_t i;
volatile uint8_t *out, *ddr;
/**inner recover**/
ADCSRA |=(preADCSRAValue & _BV(ADEN));
/**First: Enable Power**/
DDRD |= _BV(7);
PORTD &= ~_BV(7);
/**recovery ports**/
for( i = 0; i < MICROPOLY_PORT_NUM; i++ )
{
ddr = portModeRegister(a_ioPort[i]);
out = portOutputRegister(a_ioPort[i]);
*out = a_prePORTValue[i];
*ddr = a_preDDRValue[i];
}
/**resume uart **/
UCSR0B |= ( preUCSR0BValue & (_BV(TXEN0) | _BV(RXEN0) | _BV(TXCIE0)) );
/**resume I2C**/
TWCR |= (preTWCRValue & _BV(TWEN));
}
void MicroPoly_class::enableINT( void )
{
uint8_t i;
for ( i = 0; i < EXTERNAL_NUM_INTERRUPTS; i++ )
{
if ( INVALID_UINT8 != a_InterruptManager[i].state )
{
EIMSK |= (1<<i);
}
}
}
void MicroPoly_class::disableINT( void )
{
uint8_t i;
for ( i = 0; i < EXTERNAL_NUM_INTERRUPTS; i++ )
{
if ( INVALID_UINT8 != a_InterruptManager[i].state )
{
EIMSK &= ~(1 << i);
}
}
}
void MicroPoly_class::updatePinTriggerState()
{
uint8_t pin, triggerMode;
uint8_t interruptNum;
uint8_t isTriggered;
isTriggered = false;
for ( interruptNum = 0; interruptNum < EXTERNAL_NUM_INTERRUPTS; interruptNum++ )
{
boolean &state = a_InterruptManager[interruptNum].state;
if ( INVALID_UINT8 != state )
{
pin = a_interruptMapPin[interruptNum];
triggerMode = a_InterruptManager[interruptNum].triggerMode;
state = (digitalRead( pin ) == triggerMode);
}
}
}
void MicroPoly_class::pinInterrupt()
{
updatePinTriggerState();
if ( checkPinTriggered() )
{
wakeEventFlag = true;
pinTriggerState = true;
}
}
void userFunINT( void )
{
PolyuHex.pinInterrupt();
}
/******************************Watchdog Timer Trigger *************************************/
#if defined(WDP3)
# define _WD_PS3_MASK _BV(WDP3)
#else
# define _WD_PS3_MASK 0x00
#endif
#if defined(WDTCSR)
# define _WD_CONTROL_REG WDTCSR
#else
# define _WD_CONTROL_REG WDTCR
#endif
#if defined(WDTOE)
#define _WD_CHANGE_BIT WDTOE
#else
#define _WD_CHANGE_BIT WDCE
#endif
#define wdt_enableInterrupt(value) \
__asm__ __volatile__ ( \
"in __tmp_reg__,__SREG__" "\n\t" \
"cli" "\n\t" \
"wdr" "\n\t" \
"sts %0,%1" "\n\t" \
"out __SREG__,__tmp_reg__" "\n\t" \
"sts %0,%2" "\n\t" \
: /* no outputs */ \
: "M" (_SFR_MEM_ADDR(_WD_CONTROL_REG)), \
"r" (_BV(_WD_CHANGE_BIT) | _BV(WDE) ), \
"r" ((uint8_t) ((value & 0x08 ? _WD_PS3_MASK : 0x00) | \
_BV(WDIE) | (value & 0x07)) ) \
: "r0" \
)
/*******************************************************************************
* Fuction: init Timer (watchdog timer).
* input:
* --type: see TimerType_enum
* --time: [1-59]@TIMER_SECOND, [1-59]@TIMER_MINUTE, [1-12]@TIMER_HOUR
* return: true or false
*******************************************************************************/
void MicroPoly_class::setTimer(TimerType_enum type, uint8_t time)
{
uint8_t i, period, prescaler;
uint16_t seconds;
if ( 0 == time )
{
return;
}
switch (type)
{
case TIMER_SECOND:
seconds = (time < 60) ? time : 59;
break;
case TIMER_MINUTE:
seconds = (time < 60) ? ((uint16_t)time * 60) : (59 * 60);
break;
case TIMER_HOUR:
seconds = (time <= 12) ? ((uint16_t)time * 3600) : (12 * 3600);
break;
default:
return;
}
/** prescaler, time-out
* 0b0110, 1s
* 0b0111, 2s
* 0b1000, 4s
* 0b1001, 8s
* **/
for ( i = 0; i <= 3; i++)
{
period = 8>>i;
if ( 0 == seconds%period )
{
break;
}
}
timerCntOut = seconds/period;
prescaler = 0b1001 - i;
MCUSR &= ~(1<<WDRF);
wdt_enableInterrupt(prescaler);
}
boolean MicroPoly_class::isTimerOut()
{
uint8_t state;
state = timerState;
timerState = false;
return state;
}
/*******************************************************************************
*
* Description: Watchdog Timer interrupt service routine. This routine is
* required to allow automatic WDIF and WDIE bit clearance in
* hardware.
*
*******************************************************************************/
ISR (WDT_vect)
{
PolyuHex.timerInterrupt();
}
void MicroPoly_class::timerInterrupt()
{
static uint16_t count = 0;
count++;
if (count >= timerCntOut)
{
timerState = true;
wakeEventFlag = true;
count = 0;
}
}