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application.cpp
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application.cpp
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/**
*******************************************************************************
* @file application.cpp
* @authors chrono
* @version V1.0.0 (codename Aziz 3.0)
* @date 2014-10-15
* @brief spark-lighter - Robot /w 4ch (RGBW) LED + PIR & Ambient Light Sensor
*******************************************************************************
Copyright (c) 2014 Apollo-NG - https://apollo.open-resource.org/
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
////////////////////////////////////////////////////////////////////////////////
/// Includes ///////////////////////////////////////////////////////////////////
#include "application.h"
#include "lib/DS18B20.h"
#include "lib/OneWire.h"
////////////////////////////////////////////////////////////////////////////////
/// Robot Configuration (Change your local settings here) //////////////////////
////////////////////////////////////////////////////////////////////////////////
#define VERBOSE
// Inputs (DYP-ME003 PIR Sensor -> D2 & TEMT6000 Ambient Light Sensor -> A0) ///
const uint8_t pinPIR = 2 ;
const uint8_t pinAMB = 10 ;
const uint8_t pinTMP = 4 ;
// Outputs (RGBW Channels -> [A4:A7] -> MOSFET/Gatedriver inputs ) /////////////
const uint8_t pinR = 15 ;
const uint8_t pinG = 14 ;
const uint8_t pinB = 17 ;
const uint8_t pinW = 16 ;
/// Time mapping ///////////////////////////////////////////////////////////////
const uint8_t GPB = 30; // Grace Period Baselength in Seconds
const uint8_t GPM = 90; // Maximum Grace Period length in Seconds
const uint8_t bNight = 26; // Begin of Night hours
const uint8_t eNight = 6; // End of Night hours
////////////////////////////////////////////////////////////////////////////////
/// Init ///////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// Elastic Grace Period length (variable - starts with baselength) /////////////
uint8_t EGP = GPB ;
// LEDs ////////////////////////////////////////////////////////////////////////
uint8_t ledR = 0 ;
uint8_t ledG = 0 ;
uint8_t ledB = 0 ;
uint8_t ledW = 0 ;
// Time ////////////////////////////////////////////////////////////////////////
uint16_t timeDiff = 0 ;
uint32_t lastMotion = 0 ;
uint32_t lastTSync = 0 ;
// Environment ////////////////////////////////////////////////////////////////
uint16_t ambLux = 0 ;
float ambTmp = 0 ;
char tmpData[64] ;
// Bitwise State Table /////////////////////////////////////////////////////////////
/*
0x1 : Online & Ready
0x2 : PIR Motion triggered
0x4 : Human Presence
0x8 : Grace Period
0x16 : Event Notification
0x32 : Night
*/
uint8_t state = 0x0 ;
// Function prototypes /////////////////////////////////////////////////////////
int setRGBW (String rgbwInt) ;
void setPWM (uint8_t pin, uint8_t value) ;
void fadeTo (long rgbw, int delaytime) ;
void autolight (int target) ;
void motionISR (void) ;
void alertESR (const char *event, const char *data) ;
uint16_t readT6K (void) ;
float readDS18B20 (void) ;
////////////////////////////////////////////////////////////////////////////////
/// Setup //////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
DS18B20 ds18b20 = DS18B20 (pinTMP) ;
SYSTEM_MODE (AUTOMATIC) ;
void setup ()
{
#ifdef VERBOSE
Serial.begin (9600) ;
#endif
////////////////////////////////////////////////////////////////////////////
/// Pre-Define port direction & attach Interrupts //////////////////////////
// Set up DYP-ME003 Passive Infrared Sensor ////////////////////////////////
pinMode (pinPIR, INPUT_PULLDOWN) ;
attachInterrupt (pinPIR, motionISR, RISING) ;
// Set up MOSFET Gate Driver output lines //////////////////////////////////
pinMode (pinR, OUTPUT) ;
pinMode (pinG, OUTPUT) ;
pinMode (pinB, OUTPUT) ;
pinMode (pinW, OUTPUT) ;
/// Close all PWM valves, to keep time of uncontrolled state at minimum. Also
/// in this context: I had to add 4 pull-down resistors (10k), each between
/// one of the Core's PWM output pins and the gate driver's input pin or all
/// hell would break loose (especially when waving my hands over it) :)
setPWM (pinR, 0) ;
setPWM (pinG, 0) ;
setPWM (pinB, 0) ;
setPWM (pinW, 0) ;
////////////////////////////////////////////////////////////////////////////
/// Expose variables & function through spark-server API ///////////////////
Spark.variable ("ledr", &ledR, INT) ;
Spark.variable ("ledg", &ledG, INT) ;
Spark.variable ("ledb", &ledB, INT) ;
Spark.variable ("ledw", &ledW, INT) ;
Spark.variable ("amblux", &ambLux, INT) ;
Spark.variable ("ambtmp", &ambTmp, DOUBLE) ;
Spark.function ("setrgbw", setRGBW ) ;
Spark.subscribe ("alerts", alertESR ) ;
////////////////////////////////////////////////////////////////////////////
/// Set Ready-State bit ////////////////////////////////////////////////////
state |= 0x1 ;
}
////////////////////////////////////////////////////////////////////////////////
/// MAIN LOOP //////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
void loop ()
{
////////////////////////////////////////////////////////////////////////////
/// Already time to request time synchronization (1h)? /////////////////////
if (millis() - lastTSync > 3600000)
{
Spark.syncTime () ;
lastTSync = millis () ;
}
////////////////////////////////////////////////////////////////////////////
/// Is the motion trigger state bit set (new motion detected)? /////////////
if ((state & 0x2) == 0x2)
{
#ifdef VERBOSE
Serial.println ("Motion Detected") ;
#endif
// Clear motion trigger state bit //////////////////////////////////////
state &= ~0x2 ;
// Publish our motion event through our spark-server's event firehose //
Spark.publish ("motion", NULL, 60, PRIVATE) ;
// Remember the timestamp of this event ////////////////////////////////
lastMotion = millis () ;
// New presence detected (presence state bit not set)? /////////////////
if ((state & 0x4) == 0)
{
#ifdef VERBOSE
Serial.println ("New presence detected") ;
#endif
// Set presence state bit (4) //////////////////////////////////////
state |= 0x4 ;
// Let there be light //////////////////////////////////////////////
autolight (1) ;
}
// Are we already in grace period? /////////////////////////////////////
else if ((state & 0x8) == 0x8)
{
// Presence confidence restored, remove grace status bit ///////////
state &= ~0x8 ;
autolight (1) ;
}
// Honor current presence's movement by increasing time to GP //////////
else if ((state & 0x4) == 0x4)
{
if(EGP < GPM)
{
#ifdef VERBOSE
Serial.println (" -> Boosting GP +10...") ;
#endif
EGP = EGP+10 ;
}
}
// Slow down so that the RGB LED state is observable to humans /////////
delay (250) ;
// Release control of RGB status Led ///////////////////////////////////
RGB.control (false) ;
}
////////////////////////////////////////////////////////////////////////////
/// Is there really anyone left present? ///////////////////////////////////
if ((state & 0x4) == 0x4)
{
timeDiff = (int) (millis() - lastMotion)/1000 ;
#ifdef VERBOSE
Serial.print (" -> Last Motion: ") ;
Serial.println (timeDiff) ;
#endif
// Compare last motion time distance for graceful auto powerdown ///////
if (timeDiff > EGP+30)
{
// I'm confident no one is any longer present //////////////////////
#ifdef VERBOSE
Serial.println ("No one present - Shutting down") ;
#endif
// Unset presence (4) and grace-period (8) status bits /////////////
state &= ~0x4 ;
state &= ~0x8 ;
// Reset accumulated Elastic Grace Period boni /////////////////////
EGP = GPB ;
// Let there be darkness ///////////////////////////////////////////
autolight (0) ;
}
else if (timeDiff > EGP)
{
if ((state & 0x8) == 0)
{
#ifdef VERBOSE
Serial.println ("Grace Period started - Fading down") ;
#endif
// Set grace period state bit (8) //////////////////////////////
state |= 0x8 ;
// Fade the light down a little to remind the human to move ////
autolight (2) ;
}
}
}
ambLux = readT6K () ;
ambTmp = readDS18B20 () ;
sprintf (tmpData, "{ 'C': %4.1f }", ambTmp) ;
Spark.publish ("temperature", tmpData, 60, PRIVATE) ;
#ifdef VERBOSE
Serial.print (" -> Timestamp: ") ;
Serial.println (millis()) ;
Serial.print (" -> State: ") ;
Serial.println (state, BIN) ;
Serial.print (" -> Ambient Light: ") ;
Serial.println (ambLux, DEC) ;
Serial.print (" -> Ambient Temp: ") ;
Serial.println (tmpData) ;
Serial.print (" -> RSSI: ") ;
Serial.println (WiFi.RSSI()) ;
Serial.println ("------------------------------------");
#endif
}
/// END MAIN LOOP //////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
void autolight (int target)
{
if (target == 1)
{
////////////////////////////////////////////////////////////////////////
// Ramp up to Maximum, depending on time/environment ///////////////////
if ( Time.hour() < eNight
|| Time.hour() > bNight)
{
// Night mode //////////////////////////////////////////////////////
while (ledR < 128)
{
ledR++ ;
setPWM (pinR, ledR) ;
delay (40) ;
}
}
else
{
// Day mode ////////////////////////////////////////////////////////
while (ledW < 255 && ambLux < 250)
{
ledW ++ ;
setPWM (pinW, ledW) ;
delay (20) ;
ambLux = readT6K () ;
}
}
}
else if (target == 2)
{
////////////////////////////////////////////////////////////////////////
// Fade Down a little to notifiy present humans to move ////////////////
if ( Time.hour() < eNight
|| Time.hour() > bNight)
{
// Night mode //////////////////////////////////////////////////////
while (ledR > 64)
{
ledR-- ;
setPWM (pinR, ledR) ;
delay (20) ;
}
}
else
{
// Day mode ////////////////////////////////////////////////////////
while (ledW > 128)
{
ledW-- ;
setPWM (pinW, ledW) ;
delay (20) ;
}
}
}
else
{
////////////////////////////////////////////////////////////////////////
// Fade Down all
// FIXME: This is still buggy, there has to be some more thought about
// collisions between autolight and user/event overrides.
if ( Time.hour() < eNight
|| Time.hour() > bNight)
{
// Night mode //////////////////////////////////////////////////////
while (ledR > 0)
{
ledR-- ;
setPWM (pinR, ledR) ;
delay (20) ;
}
}
else
{
// Day mode ////////////////////////////////////////////////////////
while (ledW > 0)
{
ledW-- ;
setPWM (pinW, ledW) ;
delay (20) ;
}
}
}
}
void fadeTo (long rgbw, int delaytime)
{
uint8_t completed = 0x0 ;
#ifdef VERBOSE
Serial.println ("Fading to new target") ;
#endif
// Separate colors from combined 32bit RGBA long ///////////////////////////
uint8_t newR = (rgbw >> 24) & 0xFF ;
uint8_t newG = (rgbw >> 16) & 0xFF ;
uint8_t newB = (rgbw >> 8) & 0xFF ;
uint8_t newW = (int) ((rgbw >> 0) & 0xFF) ;
while (completed != 15)
{
// Red Channel /////////////////////////////////////////////////////////
if (ledR < newR)
{
ledR++ ;
setPWM (pinR, ledR) ;
}
else if (ledR > newR)
{
ledR-- ;
setPWM (pinR, ledR) ;
}
else { completed |= 0x1; }
// Green Channel ///////////////////////////////////////////////////////
if (ledG < newG)
{
ledG++ ;
setPWM (pinG, ledG) ;
}
else if (ledG > newG)
{
ledG-- ;
setPWM (pinG, ledG) ;
}
else { completed |= 0x2; }
// Blue Channel ////////////////////////////////////////////////////////
if (ledB < newB)
{
ledB++ ;
setPWM (pinB, ledB) ;
}
else if (ledB > newB)
{
ledB-- ;
setPWM (pinB, ledB) ;
}
else { completed |= 0x4; }
// White Channel ///////////////////////////////////////////////////////
if (ledW < newW)
{
ledW++ ;
setPWM (pinW, ledW) ;
}
else if (ledW > newW)
{
ledW-- ;
setPWM (pinW, ledW) ;
}
else { completed |= 0x8; }
delay (delaytime) ;
}
#ifdef VERBOSE
Serial.print ("R: ") ;
Serial.println (ledR) ;
Serial.print ("G: ") ;
Serial.println (ledG) ;
Serial.print ("B: ") ;
Serial.println (ledB) ;
Serial.print ("W: ") ;
Serial.println (ledW) ;
#endif
}
uint16_t readT6K (void)
{
uint16_t D = analogRead (pinAMB) ;
/*
float U = D * 3.3 / 4095.0 ;
float I = U / 10000.0 ;
uint16_t lux = I * 1000000 * 2 ;
*/
return (D * 0.161172) ;
}
float readDS18B20 (void)
{
float temp = 0 ;
ds18b20.search () ;
temp = ds18b20. getTemperature() ;
ds18b20.resetsearch () ;
return temp ;
}
void motionISR (void)
{
// Set motion state bit (2) ////////////////////////////////////////////////
state |= 0x2 ;
RGB.control (true) ;
RGB.color (30, 255, 5) ;
}
void alertESR (const char *event, const char *data)
{
// Set event notification state bit (16) ///////////////////////////////////
state |= 0x16 ;
#ifdef VERBOSE
Serial.print (" -> Event Received: ") ;
Serial.println (data) ;
#endif
//FIXME: Well, do something with it
//setPWM (pinB, 255) ;
}
int setRGBW (String rgbwInt)
{
#ifdef VERBOSE
Serial.print ("setRGBW Called: ") ;
Serial.println (rgbwInt) ;
#endif
fadeTo (rgbwInt.toInt(), 20) ;
return 1 ;
}