Complex LCD+Servo+Dallas+SparkFunctions+GaranAudio text

gistfile1.cpp

#define ARDUINO_H

#ifndef LiquidCrystal_I2C_h
#define LiquidCrystal_I2C_h
 
#define LCD_CLEARDISPLAY 0x01
#define LCD_RETURNHOME 0x02
#define LCD_ENTRYMODESET 0x04
#define LCD_DISPLAYCONTROL 0x08
#define LCD_CURSORSHIFT 0x10
#define LCD_FUNCTIONSET 0x20
#define LCD_SETCGRAMADDR 0x40
#define LCD_SETDDRAMADDR 0x80
 
#define LCD_ENTRYRIGHT 0x00
#define LCD_ENTRYLEFT 0x02
#define LCD_ENTRYSHIFTINCREMENT 0x01
#define LCD_ENTRYSHIFTDECREMENT 0x00
 
// flags for display on/off control
#define LCD_DISPLAYON 0x04
#define LCD_DISPLAYOFF 0x00
#define LCD_CURSORON 0x02
#define LCD_CURSOROFF 0x00
#define LCD_BLINKON 0x01
#define LCD_BLINKOFF 0x00
 
// flags for display/cursor shift
#define LCD_DISPLAYMOVE 0x08
#define LCD_CURSORMOVE 0x00
#define LCD_MOVERIGHT 0x04
#define LCD_MOVELEFT 0x00
 
// flags for function set
#define LCD_8BITMODE 0x10
#define LCD_4BITMODE 0x00
#define LCD_2LINE 0x08
#define LCD_1LINE 0x00
#define LCD_5x10DOTS 0x04
#define LCD_5x8DOTS 0x00
 
// flags for backlight control
#define LCD_BACKLIGHT 0x08
#define LCD_NOBACKLIGHT 0x00
 
//#define En B00000100  // Enable bit
//#define Rw B00000010  // Read/Write bit
//#define Rs B00000001  // Register select bit
 
class LiquidCrystal_I2C : public Print {
public:
  LiquidCrystal_I2C(uint8_t lcd_Addr,uint8_t lcd_cols,uint8_t lcd_rows);
  void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS );
  void clear();
  void home();
  void noDisplay();
  void display();
  void noBlink();
  void blink();
  void noCursor();
  void cursor();
  void scrollDisplayLeft();
  void scrollDisplayRight();
  void printLeft();
  void printRight();
  void leftToRight();
  void rightToLeft();
  void shiftIncrement();
  void shiftDecrement();
  void noBacklight();
  void backlight();
  void autoscroll();
  void noAutoscroll();
  void createChar(uint8_t, uint8_t[]);
  void setCursor(uint8_t, uint8_t);
  virtual size_t write(uint8_t); //changed to size_t
  void command(uint8_t);
  void init();
 
////compatibility API function aliases
void blink_on();            // alias for blink()
void blink_off();                 // alias for noBlink()
void cursor_on();                 // alias for cursor()
void cursor_off();                // alias for noCursor()
void setBacklight(uint8_t new_val);       // alias for backlight() and nobacklight()
void load_custom_character(uint8_t char_num, uint8_t *rows);  // alias for createChar()
void printstr(const char[]);
 
////Unsupported API functions (not implemented in this library)
uint8_t status();
void setContrast(uint8_t new_val);
uint8_t keypad();
void setDelay(int,int);
void on();
void off();
uint8_t init_bargraph(uint8_t graphtype);
void draw_horizontal_graph(uint8_t row, uint8_t column, uint8_t len,  uint8_t pixel_col_end);
void draw_vertical_graph(uint8_t row, uint8_t column, uint8_t len,  uint8_t pixel_col_end);
   
 
private:
  void init_priv();
  void send(uint8_t, uint8_t);
  void write4bits(uint8_t);
  void expanderWrite(uint8_t);
  void pulseEnable(uint8_t);
  uint8_t _Addr;
  uint8_t _displayfunction;
  uint8_t _displaycontrol;
  uint8_t _displaymode;
  uint8_t _numlines;
  uint8_t _cols;
  uint8_t _rows;
  uint8_t _backlightval;
};
 
#endif
// LiquidCrystal_I2C V2.0
 
// When the display powers up, it is configured as follows:
//
// 1. Display clear
// 2. Function set:
//    DL = 1; 8-bit interface data
//    N = 0; 1-line display
//    F = 0; 5x8 dot character font
// 3. Display on/off control:
//    D = 0; Display off
//    C = 0; Cursor off
//    B = 0; Blinking off
// 4. Entry mode set:
//    I/D = 1; Increment by 1
//    S = 0; No shift
//
// Note, however, that resetting the Arduino doesn't reset the LCD, so we
// can't assume that its in that state when a sketch starts (and the
// LiquidCrystal constructor is called).
 
LiquidCrystal_I2C::LiquidCrystal_I2C(uint8_t lcd_Addr,uint8_t lcd_cols,uint8_t lcd_rows)
{
  _Addr = lcd_Addr;
  _cols = lcd_cols;
  _rows = lcd_rows;
  _backlightval = LCD_NOBACKLIGHT;
}
 
void LiquidCrystal_I2C::init(){
        init_priv();
}
 
void LiquidCrystal_I2C::init_priv()
{
        Wire.begin();
        _displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS;
        begin(_cols, _rows);  
}
 
void LiquidCrystal_I2C::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
        if (lines > 1) {
                _displayfunction |= LCD_2LINE;
        }
        _numlines = lines;
 
        // for some 1 line displays you can select a 10 pixel high font
        if ((dotsize != 0) && (lines == 1)) {
                _displayfunction |= LCD_5x10DOTS;
        }
 
        // SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION!
        // according to datasheet, we need at least 40ms after power rises above 2.7V
        // before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50
        delay(50);
 
        // Now we pull both RS and R/W low to begin commands
        expanderWrite(_backlightval);   // reset expanderand turn backlight off (Bit 8 =1)
        delay(1000);
 
        //put the LCD into 4 bit mode
        // this is according to the hitachi HD44780 datasheet
        // figure 24, pg 46
       
          // we start in 8bit mode, try to set 4 bit mode
   write4bits(0x03 << 4);
   delayMicroseconds(4500); // wait min 4.1ms
   
   // second try
   write4bits(0x03 << 4);
   delayMicroseconds(4500); // wait min 4.1ms
   
   // third go!
   write4bits(0x03 << 4);
   delayMicroseconds(150);
   
   // finally, set to 4-bit interface
   write4bits(0x02 << 4);
 
 
 
        // set # lines, font size, etc.
        command(LCD_FUNCTIONSET | _displayfunction);  
       
        // turn the display on with no cursor or blinking default
        _displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF;
        display();
       
        // clear it off
        clear();
       
        // Initialize to default text direction (for roman languages)
        _displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT;
       
        // set the entry mode
        command(LCD_ENTRYMODESET | _displaymode);
       
        home();
 
}
 
 
 
/********** high level commands, for the user! */
void LiquidCrystal_I2C::clear(){
        command(LCD_CLEARDISPLAY);// clear display, set cursor position to zero
        delayMicroseconds(2000);  // this command takes a long time!
}
 
void LiquidCrystal_I2C::home(){
        command(LCD_RETURNHOME);  // set cursor position to zero
        delayMicroseconds(2000);  // this command takes a long time!
}
 
void LiquidCrystal_I2C::setCursor(uint8_t col, uint8_t row){
        int row_offsets[] = { 0x00, 0x40, 0x14, 0x54 };
        if ( row > _numlines ) {
                row = _numlines-1;    // we count rows starting w/0
        }
        command(LCD_SETDDRAMADDR | (col + row_offsets[row]));
}
 
// Turn the display on/off (quickly)
void LiquidCrystal_I2C::noDisplay() {
        _displaycontrol &= ~LCD_DISPLAYON;
        command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LiquidCrystal_I2C::display() {
        _displaycontrol |= LCD_DISPLAYON;
        command(LCD_DISPLAYCONTROL | _displaycontrol);
}
 
// Turns the underline cursor on/off
void LiquidCrystal_I2C::noCursor() {
        _displaycontrol &= ~LCD_CURSORON;
        command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LiquidCrystal_I2C::cursor() {
        _displaycontrol |= LCD_CURSORON;
        command(LCD_DISPLAYCONTROL | _displaycontrol);
}
 
// Turn on and off the blinking cursor
void LiquidCrystal_I2C::noBlink() {
        _displaycontrol &= ~LCD_BLINKON;
        command(LCD_DISPLAYCONTROL | _displaycontrol);
}
void LiquidCrystal_I2C::blink() {
        _displaycontrol |= LCD_BLINKON;
        command(LCD_DISPLAYCONTROL | _displaycontrol);
}
 
// These commands scroll the display without changing the RAM
void LiquidCrystal_I2C::scrollDisplayLeft(void) {
        command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT);
}
void LiquidCrystal_I2C::scrollDisplayRight(void) {
        command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT);
}
 
// This is for text that flows Left to Right
void LiquidCrystal_I2C::leftToRight(void) {
        _displaymode |= LCD_ENTRYLEFT;
        command(LCD_ENTRYMODESET | _displaymode);
}
 
// This is for text that flows Right to Left
void LiquidCrystal_I2C::rightToLeft(void) {
        _displaymode &= ~LCD_ENTRYLEFT;
        command(LCD_ENTRYMODESET | _displaymode);
}
 
// This will 'right justify' text from the cursor
void LiquidCrystal_I2C::autoscroll(void) {
        _displaymode |= LCD_ENTRYSHIFTINCREMENT;
        command(LCD_ENTRYMODESET | _displaymode);
}
 
// This will 'left justify' text from the cursor
void LiquidCrystal_I2C::noAutoscroll(void) {
        _displaymode &= ~LCD_ENTRYSHIFTINCREMENT;
        command(LCD_ENTRYMODESET | _displaymode);
}
 
// Allows us to fill the first 8 CGRAM locations
// with custom characters
void LiquidCrystal_I2C::createChar(uint8_t location, uint8_t charmap[]) {
        location &= 0x7; // we only have 8 locations 0-7
        command(LCD_SETCGRAMADDR | (location << 3));
        for (int i=0; i<8; i++) {
                write(charmap[i]);
        }
}
 
// Turn the (optional) backlight off/on
void LiquidCrystal_I2C::noBacklight(void) {
        _backlightval=LCD_NOBACKLIGHT;
        expanderWrite(0);
}
 
void LiquidCrystal_I2C::backlight(void) {
        _backlightval=LCD_BACKLIGHT;
        expanderWrite(0);
}
 
 
 
/*********** mid level commands, for sending data/cmds */
 
inline void LiquidCrystal_I2C::command(uint8_t value) {
        send(value, 0);
}
 
inline size_t LiquidCrystal_I2C::write(uint8_t value) {
        send(value, 1);
        return 0;
}
 
 
 
 
 
/************ low level data pushing commands **********/
 
// write either command or data
void LiquidCrystal_I2C::send(uint8_t value, uint8_t mode) {
        uint8_t highnib=value&0xf0;
        uint8_t lownib=(value<<4)&0xf0;
       write4bits((highnib)|mode);
        write4bits((lownib)|mode);
}
 
void LiquidCrystal_I2C::write4bits(uint8_t value) {
        expanderWrite(value);
        pulseEnable(value);
}
 
void LiquidCrystal_I2C::expanderWrite(uint8_t _data){                                        
        Wire.beginTransmission(_Addr);
        Wire.write((int)(_data) | _backlightval);
        Wire.endTransmission();  
        }
 
void LiquidCrystal_I2C::pulseEnable(uint8_t _data){
        expanderWrite(_data | (1<<2));  // En high
        delayMicroseconds(1);           // enable pulse must be >450ns
       
        expanderWrite(_data & ~(1<<2)); // En low
        delayMicroseconds(50);          // commands need > 37us to settle
}
 
 
// Alias functions
 
void LiquidCrystal_I2C::cursor_on(){
        cursor();
}
 
void LiquidCrystal_I2C::cursor_off(){
        noCursor();
}
 
void LiquidCrystal_I2C::blink_on(){
        blink();
}
 
void LiquidCrystal_I2C::blink_off(){
        noBlink();
}
 
void LiquidCrystal_I2C::load_custom_character(uint8_t char_num, uint8_t *rows){
                createChar(char_num, rows);
}
 
void LiquidCrystal_I2C::setBacklight(uint8_t new_val){
        if(new_val){
                backlight();            // turn backlight on
        }else{
                noBacklight();          // turn backlight off
        }
}
 
void LiquidCrystal_I2C::printstr(const char c[]){
        //This function is not identical to the function used for "real" I2C displays
        //it's here so the user sketch doesn't have to be changed
        print(c);
}
 
 
// unsupported API functions
void LiquidCrystal_I2C::off(){}
void LiquidCrystal_I2C::on(){}
void LiquidCrystal_I2C::setDelay (int cmdDelay,int charDelay) {}
uint8_t LiquidCrystal_I2C::status(){return 0;}
uint8_t LiquidCrystal_I2C::keypad (){return 0;}
uint8_t LiquidCrystal_I2C::init_bargraph(uint8_t graphtype){return 0;}
void LiquidCrystal_I2C::draw_horizontal_graph(uint8_t row, uint8_t column, uint8_t len,  uint8_t pixel_col_end){}
void LiquidCrystal_I2C::draw_vertical_graph(uint8_t row, uint8_t column, uint8_t len,  uint8_t pixel_row_end){}
void LiquidCrystal_I2C::setContrast(uint8_t new_val){}
 
 
LiquidCrystal_I2C   *lcd;

/** GARAN */

// example or fixed commands
const uint8_t SINGLE_PLAY[]        = {0x04, 0x01, 0x00, 0x00, 0x01};  // NH NL
const uint8_t SEQUENCE_PLAY[]      = {0x04, 0x02, 0x00, 0x00, 0x02};  // NH NL
const uint8_t SINGLE_LOOP_PLAY[]   = {0x04, 0x03, 0x00, 0x00, 0x02};  // NH NL
const uint8_t SINGLE_PLAY_NAME[]   = {0x07, 0x04, 0x00, 0x31, 0x2E, 0x4D, 0x50, 0x33};  // Name must <= 12
const uint8_t SEQUENCE_PLAY_NAME[] = {0x07, 0x05, 0x00, 0x31, 0x2E, 0x4D, 0x50, 0x33};  // Name must <= 12
const uint8_t SINGLE_LOOP_NAME[]   = {0x07, 0x06, 0x00, 0x31, 0x2E, 0x4D, 0x50, 0x33};  // Name must <= 12
const uint8_t STOP[]               = {0x02, 0x07, 0x00};
const uint8_t PAUSE_PLAY[]         = {0x02, 0x08, 0x00};
const uint8_t NEXT[]               = {0x02, 0x09, 0x00};
const uint8_t PREV[]               = {0x02, 0x0A, 0x00};
const uint8_t VOLUME_UP[]          = {0x02, 0x0B, 0x00};
const uint8_t VOLUME_DOWN[]        = {0x02, 0x0C, 0x00};
const uint8_t SET_VOLUME[]         = {0x03, 0x0D, 0x00, 0x05};  // Value
const uint8_t EQ_CHANGE[]          = {0x02, 0x0E, 0x00};
const uint8_t SET_EQ[]             = {0x03, 0x0F, 0x00, 0x01};  // Value
const uint8_t STANDBY_MODE[]       = {0x02, 0x10, 0x00};
const uint8_t SET_TIME[]           = {0x09, 0x11, 0x00, 0x07, 0xDD, 0x06, 0x0D, 0x0B, 0x11, 0x01};
const uint8_t GET_PLAYING_NAME[]   = {0x02, 0x21, 0x01};
const uint8_t GET_MUSIC_NUMBERS[]  = {0x02, 0x22, 0x01};
const uint8_t GET_PLAYING_ORDER[]  = {0x02, 0x23, 0x01};
const uint8_t GET_TIME[]           = {0x02, 0x25, 0x01};
const uint8_t FEEDBACK_AT_END[]    = {0x03, 0xA0, 0x01, 0x01};
const uint8_t NO_FEEDBACK_AT_END[] = {0x03, 0xA0, 0x01, 0x00};
const uint8_t GET_VERSION[]        = {0x02, 0x80, 0x01};

#define _serial Serial1


/*
  Garan.h - Library for controlling Garan Audio Module
  Released into the public domain.
*/
#ifndef Garan_h
#define Garan_h

class Garan
{
    private:
        unsigned char _commandBuff[13];
        void sendCommand(uint8_t command[]);
        inline void buildHead(uint8_t len, uint8_t cmd);
    public:
        Garan();
        bool available();
        void singlePlay(uint16_t number);
        void sequencePlay(uint16_t number);
        void singleLoopPlay(uint16_t number);
        void singlePlayName(char *name);
        void sequencePlayName(char *name);
        void singleLoopName(char *name);
        void stop();
        void pausePlay();
        void next();
        void prev();
        void volumeUp();
        void volumeDown();
        void setVolume(uint8_t volume);
        void eqChange();
        void setEQ(uint8_t eq);
        void standbyMode();
        void setTime(uint16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t minute, uint8_t second);
        void getPlayingName();
        void getMusicNumbers();
        void getPlayingOrder();
        void getTime();
        void feedbackAtEnd();
        void NoFeedbackAtEnd();
        void getVersion();
};

#endif 

Garan::Garan()
{
    _serial.begin(9600);

    _commandBuff[2] = 1;
}

bool Garan::available() {
    return _serial.available();
}

void Garan::sendCommand(uint8_t command[])  {
    uint8_t checksum = 0;

    _serial.write(0x24);
    for (uint16_t i = 0; i <= command[0]; i++) {
        _serial.write(command[i]);
        checksum ^= command[i];
    }

    _serial.write(checksum);
}

inline void Garan::buildHead(uint8_t len, uint8_t cmd)  {
    _commandBuff[0] = len;
    _commandBuff[1] = cmd;
}

void Garan::singlePlay(uint16_t number)  {
    buildHead(0x04, 0x01);
    _commandBuff[3] = (uint8_t)(number >> 8);
    _commandBuff[4] = (uint8_t)number;

    sendCommand(_commandBuff);
}

void Garan::sequencePlay(uint16_t number)  {
    buildHead(0x04, 0x02);
    _commandBuff[3] = (uint8_t)(number >> 8);
    _commandBuff[4] = (uint8_t)number;

    sendCommand(_commandBuff);
}

void Garan::singleLoopPlay(uint16_t number)  {
    buildHead(0x04, 0x02);
    _commandBuff[3] = (uint8_t)(number >> 8);
    _commandBuff[4] = (uint8_t)number;

    sendCommand(_commandBuff);
}

void Garan::singlePlayName(char *name)  {
    strcpy((char *)&_commandBuff[3], name);
    buildHead(strlen(name) + 2, 4);

    sendCommand(_commandBuff);
    _serial.begin(9600);
}

void Garan::sequencePlayName(char *name)  {
    strcpy((char *)&_commandBuff[3], name);
    buildHead(strlen(name) + 2, 5);

    sendCommand(_commandBuff);
    _serial.begin(9600);
}

void Garan::singleLoopName(char *name)  {
    strcpy((char *)&_commandBuff[3], name);
    buildHead(strlen(name) + 2, 6);

    sendCommand(_commandBuff);
    _serial.begin(9600);
}

void Garan::stop()  {
    sendCommand((uint8_t *)STOP);
}

void Garan::pausePlay()  {
    sendCommand((uint8_t *)PAUSE_PLAY);
}

void Garan::next()  {
    sendCommand((uint8_t *)NEXT);
}

void Garan::prev()  {
    sendCommand((uint8_t *)PREV);
}

void Garan::volumeUp()  {
    sendCommand((uint8_t *)VOLUME_UP);
}

void Garan::volumeDown()  {
    sendCommand((uint8_t *)VOLUME_DOWN);
}

void Garan::setVolume(uint8_t volume)  {
    buildHead(0x03, 0x0D);
    _commandBuff[3] = volume;

    sendCommand(_commandBuff);
}

void Garan::eqChange()  {
    sendCommand((uint8_t *)EQ_CHANGE);
}

void Garan::setEQ(uint8_t eq)  {
    buildHead(0x03, 0x0F);
    _commandBuff[3] = eq;

    sendCommand(_commandBuff);
}

void Garan::standbyMode()  {
    sendCommand((uint8_t *)STANDBY_MODE);
}

void Garan::setTime(uint16_t year, uint8_t month, uint8_t day, uint8_t hour, uint8_t minute, uint8_t second)  {
    buildHead(0x09, 0x11);
    _commandBuff[3] = (uint8_t)(year >> 8);
    _commandBuff[4] = (uint8_t)year;
    _commandBuff[5] = month;
    _commandBuff[6] = day;
    _commandBuff[7] = hour;
    _commandBuff[8] = minute;
    _commandBuff[9] = second;

    sendCommand(_commandBuff);
}

void Garan::getPlayingName()  {
    sendCommand((uint8_t *)GET_PLAYING_NAME);
}

void Garan::getMusicNumbers()  {
    sendCommand((uint8_t *)GET_MUSIC_NUMBERS);
}

void Garan::getPlayingOrder()  {
    sendCommand((uint8_t *)GET_PLAYING_ORDER);
}

void Garan::getTime()  {
    sendCommand((uint8_t *)GET_TIME);
}

void Garan::feedbackAtEnd()  {
    sendCommand((uint8_t *)FEEDBACK_AT_END);
}

void Garan::NoFeedbackAtEnd()  {
    sendCommand((uint8_t *)NO_FEEDBACK_AT_END);
}

void Garan::getVersion()  {
    sendCommand((uint8_t *)GET_VERSION);
}

#ifndef OneWire_h
#define OneWire_h

#include <inttypes.h>


#ifdef STM32F10X_MD
#include "spark_wiring.h"
#include "spark_wiring_interrupts.h"
#endif


// you can exclude onewire_search by defining that to 0
#ifndef ONEWIRE_SEARCH
#define ONEWIRE_SEARCH 1
#endif

// You can exclude CRC checks altogether by defining this to 0
#ifndef ONEWIRE_CRC
#define ONEWIRE_CRC 1
#endif



// You can allow 16-bit CRC checks by defining this to 1
// (Note that ONEWIRE_CRC must also be 1.)
#ifndef ONEWIRE_CRC16
#define ONEWIRE_CRC16 1
#endif

#define FALSE 0
#define TRUE 1

class OneWire
{
  private:
  
uint16_t _pin;
void DIRECT_WRITE_LOW(void);
void DIRECT_MODE_OUTPUT(void);
void DIRECT_WRITE_HIGH(void);
void DIRECT_MODE_INPUT(void);
uint8_t DIRECT_READ(void);
#if ONEWIRE_SEARCH
    // global search state
    unsigned char ROM_NO[8];
    uint8_t LastDiscrepancy;
    uint8_t LastFamilyDiscrepancy;
    uint8_t LastDeviceFlag;
#endif

  public:
    OneWire( uint16_t pin);

    // Perform a 1-Wire reset cycle. Returns 1 if a device responds
    // with a presence pulse. Returns 0 if there is no device or the
    // bus is shorted or otherwise held low for more than 250uS
    uint8_t reset(void);

    // Issue a 1-Wire rom select command, you do the reset first.
    void select(const uint8_t rom[8]);

    // Issue a 1-Wire rom skip command, to address all on bus.
    void skip(void);

    // Write a byte. If 'power' is one then the wire is held high at
    // the end for parasitically powered devices. You are responsible
    // for eventually depowering it by calling depower() or doing
    // another read or write.
    void write(uint8_t v, uint8_t power = 0);

    void write_bytes(const uint8_t *buf, uint16_t count, bool power = 0);

    // Read a byte.
    uint8_t read(void);

    void read_bytes(uint8_t *buf, uint16_t count);

    // Write a bit. The bus is always left powered at the end, see
    // note in write() about that.
    void write_bit(uint8_t v);

    // Read a bit.
    uint8_t read_bit(void);

    // Stop forcing power onto the bus. You only need to do this if
    // you used the 'power' flag to write() or used a write_bit() call
    // and aren't about to do another read or write. You would rather
    // not leave this powered if you don't have to, just in case
    // someone shorts your bus.
    void depower(void);

#if ONEWIRE_SEARCH
    // Clear the search state so that if will start from the beginning again.
    void reset_search();

    // Setup the search to find the device type 'family_code' on the next call
    // to search(*newAddr) if it is present.
    void target_search(uint8_t family_code);

    // Look for the next device. Returns 1 if a new address has been
    // returned. A zero might mean that the bus is shorted, there are
    // no devices, or you have already retrieved all of them. It
    // might be a good idea to check the CRC to make sure you didn't
    // get garbage. The order is deterministic. You will always get
    // the same devices in the same order.
    uint8_t search(uint8_t *newAddr);
#endif

#if ONEWIRE_CRC
    // Compute a Dallas Semiconductor 8 bit CRC, these are used in the
    // ROM and scratchpad registers.
    static uint8_t crc8(uint8_t *addr, uint8_t len);

#if ONEWIRE_CRC16
    // Compute the 1-Wire CRC16 and compare it against the received CRC.
    // Example usage (reading a DS2408):
    // // Put everything in a buffer so we can compute the CRC easily.
    // uint8_t buf[13];
    // buf[0] = 0xF0; // Read PIO Registers
    // buf[1] = 0x88; // LSB address
    // buf[2] = 0x00; // MSB address
    // WriteBytes(net, buf, 3); // Write 3 cmd bytes
    // ReadBytes(net, buf+3, 10); // Read 6 data bytes, 2 0xFF, 2 CRC16
    // if (!CheckCRC16(buf, 11, &buf[11])) {
    // // Handle error.
    // }
    //
    // @param input - Array of bytes to checksum.
    // @param len - How many bytes to use.
    // @param inverted_crc - The two CRC16 bytes in the received data.
    // This should just point into the received data,
    // *not* at a 16-bit integer.
    // @param crc - The crc starting value (optional)
    // @return True, iff the CRC matches.
    static bool check_crc16(const uint8_t* input, uint16_t len, const uint8_t* inverted_crc, uint16_t crc = 0);

    // Compute a Dallas Semiconductor 16 bit CRC. This is required to check
    // the integrity of data received from many 1-Wire devices. Note that the
    // CRC computed here is *not* what you'll get from the 1-Wire network,
    // for two reasons:
    // 1) The CRC is transmitted bitwise inverted.
    // 2) Depending on the endian-ness of your processor, the binary
    // representation of the two-byte return value may have a different
    // byte order than the two bytes you get from 1-Wire.
    // @param input - Array of bytes to checksum.
    // @param len - How many bytes to use.
    // @param crc - The crc starting value (optional)
    // @return The CRC16, as defined by Dallas Semiconductor.
    static uint16_t crc16(const uint8_t* input, uint16_t len, uint16_t crc = 0);
#endif
#endif
};

#endif
/*
SparkCore Verison of OneWire Libary 

I've taken the code that Spark Forum user tidwelltimj posted 
split it back into separte code and header files and put back in the 
credits and comments and got it compiling on the command line within SparkCore core-firmware

Justin Maynard 2013

Original Comments follow

Copyright (c) 2007, Jim Studt  (original old version - many contributors since)

The latest version of this library may be found at:
  http://www.pjrc.com/teensy/td_libs_OneWire.html

OneWire has been maintained by Paul Stoffregen (paul@pjrc.com) since
January 2010.  At the time, it was in need of many bug fixes, but had
been abandoned the original author (Jim Studt).  None of the known
contributors were interested in maintaining OneWire.  Paul typically
works on OneWire every 6 to 12 months.  Patches usually wait that
long.  If anyone is interested in more actively maintaining OneWire,
please contact Paul.

Version 2.2:
  Teensy 3.0 compatibility, Paul Stoffregen, paul@pjrc.com
  Arduino Due compatibility, http://arduino.cc/forum/index.php?topic=141030
  Fix DS18B20 example negative temperature
  Fix DS18B20 example's low res modes, Ken Butcher
  Improve reset timing, Mark Tillotson
  Add const qualifiers, Bertrik Sikken
  Add initial value input to crc16, Bertrik Sikken
  Add target_search() function, Scott Roberts

Version 2.1:
  Arduino 1.0 compatibility, Paul Stoffregen
  Improve temperature example, Paul Stoffregen
  DS250x_PROM example, Guillermo Lovato
  PIC32 (chipKit) compatibility, Jason Dangel, dangel.jason AT gmail.com
  Improvements from Glenn Trewitt:
  - crc16() now works
  - check_crc16() does all of calculation/checking work.
  - Added read_bytes() and write_bytes(), to reduce tedious loops.
  - Added ds2408 example.
  Delete very old, out-of-date readme file (info is here)

Version 2.0: Modifications by Paul Stoffregen, January 2010:
http://www.pjrc.com/teensy/td_libs_OneWire.html
  Search fix from Robin James
    http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1238032295/27#27
  Use direct optimized I/O in all cases
  Disable interrupts during timing critical sections
    (this solves many random communication errors)
  Disable interrupts during read-modify-write I/O
  Reduce RAM consumption by eliminating unnecessary
    variables and trimming many to 8 bits
  Optimize both crc8 - table version moved to flash

Modified to work with larger numbers of devices - avoids loop.
Tested in Arduino 11 alpha with 12 sensors.
26 Sept 2008 -- Robin James
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1238032295/27#27

Updated to work with arduino-0008 and to include skip() as of
2007/07/06. --RJL20

Modified to calculate the 8-bit CRC directly, avoiding the need for
the 256-byte lookup table to be loaded in RAM.  Tested in arduino-0010
-- Tom Pollard, Jan 23, 2008

Jim Studt's original library was modified by Josh Larios.

Tom Pollard, pollard@alum.mit.edu, contributed around May 20, 2008

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Much of the code was inspired by Derek Yerger's code, though I don't
think much of that remains.  In any event that was..
    (copyleft) 2006 by Derek Yerger - Free to distribute freely.

The CRC code was excerpted and inspired by the Dallas Semiconductor
sample code bearing this copyright.
//---------------------------------------------------------------------------
// Copyright (C) 2000 Dallas Semiconductor Corporation, All Rights Reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY,  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL DALLAS SEMICONDUCTOR BE LIABLE FOR ANY CLAIM, DAMAGES
// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
// Except as contained in this notice, the name of Dallas Semiconductor
// shall not be used except as stated in the Dallas Semiconductor
// Branding Policy.
//--------------------------------------------------------------------------
*/

OneWire::OneWire(uint16_t pin)
{
	pinMode(pin, INPUT);
	 _pin = pin;

}

void OneWire::DIRECT_WRITE_LOW(void)
{
PIN_MAP[_pin].gpio_peripheral->BRR = PIN_MAP[_pin].gpio_pin;
}	
void OneWire::DIRECT_MODE_OUTPUT(void)
{
GPIO_TypeDef *gpio_port = PIN_MAP[_pin].gpio_peripheral;
    uint16_t gpio_pin = PIN_MAP[_pin].gpio_pin;

        GPIO_InitTypeDef GPIO_InitStructure;

        if (gpio_port == GPIOA )
        {
                RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
        }
        else if (gpio_port == GPIOB )
        {
                RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
        }

    GPIO_InitStructure.GPIO_Pin = gpio_pin;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    PIN_MAP[_pin].pin_mode = OUTPUT;
    GPIO_Init(gpio_port, &GPIO_InitStructure);
}
void OneWire::DIRECT_WRITE_HIGH(void)
{
PIN_MAP[_pin].gpio_peripheral->BSRR = PIN_MAP[_pin].gpio_pin;
}
void OneWire::DIRECT_MODE_INPUT(void)
{
	GPIO_TypeDef *gpio_port = PIN_MAP[_pin].gpio_peripheral;
    uint16_t gpio_pin = PIN_MAP[_pin].gpio_pin;

        GPIO_InitTypeDef GPIO_InitStructure;

        if (gpio_port == GPIOA )
        {
                RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
        }
        else if (gpio_port == GPIOB )
        {
                RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
        }

    GPIO_InitStructure.GPIO_Pin = gpio_pin;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    PIN_MAP[_pin].pin_mode = INPUT;
GPIO_Init(gpio_port, &GPIO_InitStructure);
}
uint8_t OneWire::DIRECT_READ(void)
{
return GPIO_ReadInputDataBit(PIN_MAP[_pin].gpio_peripheral, PIN_MAP[_pin].gpio_pin);
}

// Perform the onewire reset function.  We will wait up to 250uS for
// the bus to come high, if it doesn't then it is broken or shorted
// and we return a 0;
//
// Returns 1 if a device asserted a presence pulse, 0 otherwise.
//

uint8_t OneWire::reset(void)
{
	uint8_t r;
	uint8_t retries = 125;

	noInterrupts();
	DIRECT_MODE_INPUT();
	interrupts();
	// wait until the wire is high... just in case
	do {
		if (--retries == 0) return 0;
		delayMicroseconds(2);
	} while ( !DIRECT_READ());

	noInterrupts();
	DIRECT_WRITE_LOW();
	DIRECT_MODE_OUTPUT();	// drive output low
	interrupts();
	delayMicroseconds(480);
	noInterrupts();
	DIRECT_MODE_INPUT();	// allow it to float
	delayMicroseconds(70);
	r = !DIRECT_READ();
	interrupts();
	delayMicroseconds(410);
	return r;
}
void OneWire::write_bit(uint8_t v)
{
	

	if (v & 1) {
		noInterrupts();
		DIRECT_WRITE_LOW();
		DIRECT_MODE_OUTPUT();	// drive output low
		delayMicroseconds(10);
		DIRECT_WRITE_HIGH();	// drive output high
		interrupts();
		delayMicroseconds(55);
	} else {
		noInterrupts();
		DIRECT_WRITE_LOW();
		DIRECT_MODE_OUTPUT();	// drive output low
		delayMicroseconds(65);
		DIRECT_WRITE_HIGH();	// drive output high
		interrupts();
		delayMicroseconds(5);
	}
}

//
// Read a bit. Port and bit is used to cut lookup time and provide
// more certain timing.
//
uint8_t OneWire::read_bit(void)
{
	
	uint8_t r;

	noInterrupts();
	DIRECT_MODE_OUTPUT();
	DIRECT_WRITE_LOW();
	delayMicroseconds(3);
	DIRECT_MODE_INPUT();	// let pin float, pull up will raise
	delayMicroseconds(10);
	r = DIRECT_READ();
	interrupts();
	delayMicroseconds(53);
	return r;
}

//
// Write a byte. The writing code uses the active drivers to raise the
// pin high, if you need power after the write (e.g. DS18S20 in
// parasite power mode) then set 'power' to 1, otherwise the pin will
// go tri-state at the end of the write to avoid heating in a short or
// other mishap.
//
void OneWire::write(uint8_t v, uint8_t power /* = 0 */) {
    uint8_t bitMask;

    for (bitMask = 0x01; bitMask; bitMask <<= 1) {
	OneWire::write_bit( (bitMask & v)?1:0);
    }
    if ( !power) {
	noInterrupts();
	DIRECT_MODE_INPUT();
	DIRECT_WRITE_LOW();
	interrupts();
    }
}

void OneWire::write_bytes(const uint8_t *buf, uint16_t count, bool power /* = 0 */) {
  for (uint16_t i = 0 ; i < count ; i++)
    write(buf[i]);
  if (!power) {
    noInterrupts();
    DIRECT_MODE_INPUT();
    DIRECT_WRITE_LOW();
    interrupts();
  }
}

//
// Read a byte
//
uint8_t OneWire::read() {
    uint8_t bitMask;
    uint8_t r = 0;

    for (bitMask = 0x01; bitMask; bitMask <<= 1) {
	if ( OneWire::read_bit()) r |= bitMask;
    }
    return r;
}

void OneWire::read_bytes(uint8_t *buf, uint16_t count) {
  for (uint16_t i = 0 ; i < count ; i++)
    buf[i] = read();
}

//
// Do a ROM select
//
void OneWire::select(const uint8_t rom[8])
{
    uint8_t i;

    write(0x55);           // Choose ROM

    for (i = 0; i < 8; i++) write(rom[i]);
}

//
// Do a ROM skip
//
void OneWire::skip()
{
    write(0xCC);           // Skip ROM
}

void OneWire::depower()
{
	noInterrupts();
	DIRECT_MODE_INPUT();
	interrupts();
}

#if ONEWIRE_SEARCH

//
// You need to use this function to start a search again from the beginning.
// You do not need to do it for the first search, though you could.
//
void OneWire::reset_search()
{
  // reset the search state
  LastDiscrepancy = 0;
  LastDeviceFlag = FALSE;
  LastFamilyDiscrepancy = 0;
  for(int i = 7; ; i--) {
    ROM_NO[i] = 0;
    if ( i == 0) break;
  }
}

// Setup the search to find the device type 'family_code' on the next call
// to search(*newAddr) if it is present.
//
void OneWire::target_search(uint8_t family_code)
{
   // set the search state to find SearchFamily type devices
   ROM_NO[0] = family_code;
   for (uint8_t i = 1; i < 8; i++)
      ROM_NO[i] = 0;
   LastDiscrepancy = 64;
   LastFamilyDiscrepancy = 0;
   LastDeviceFlag = FALSE;
}

//
// Perform a search. If this function returns a '1' then it has
// enumerated the next device and you may retrieve the ROM from the
// OneWire::address variable. If there are no devices, no further
// devices, or something horrible happens in the middle of the
// enumeration then a 0 is returned.  If a new device is found then
// its address is copied to newAddr.  Use OneWire::reset_search() to
// start over.
//
// --- Replaced by the one from the Dallas Semiconductor web site ---
//--------------------------------------------------------------------------
// Perform the 1-Wire Search Algorithm on the 1-Wire bus using the existing
// search state.
// Return TRUE  : device found, ROM number in ROM_NO buffer
//        FALSE : device not found, end of search
//
uint8_t OneWire::search(uint8_t *newAddr)
{
   uint8_t id_bit_number;
   uint8_t last_zero, rom_byte_number, search_result;
   uint8_t id_bit, cmp_id_bit;

   unsigned char rom_byte_mask, search_direction;

   // initialize for search
   id_bit_number = 1;
   last_zero = 0;
   rom_byte_number = 0;
   rom_byte_mask = 1;
   search_result = 0;

   // if the last call was not the last one
   if (!LastDeviceFlag)
   {
      // 1-Wire reset
      if (!reset())
      {
         // reset the search
         LastDiscrepancy = 0;
         LastDeviceFlag = FALSE;
         LastFamilyDiscrepancy = 0;
         return FALSE;
      }

      // issue the search command
      write(0xF0);

      // loop to do the search
      do
      {
         // read a bit and its complement
         id_bit = read_bit();
         cmp_id_bit = read_bit();

         // check for no devices on 1-wire
         if ((id_bit == 1) && (cmp_id_bit == 1))
            break;
         else
         {
            // all devices coupled have 0 or 1
            if (id_bit != cmp_id_bit)
               search_direction = id_bit;  // bit write value for search
            else
            {
               // if this discrepancy if before the Last Discrepancy
               // on a previous next then pick the same as last time
               if (id_bit_number < LastDiscrepancy)
                  search_direction = ((ROM_NO[rom_byte_number] & rom_byte_mask) > 0);
               else
                  // if equal to last pick 1, if not then pick 0
                  search_direction = (id_bit_number == LastDiscrepancy);

               // if 0 was picked then record its position in LastZero
               if (search_direction == 0)
               {
                  last_zero = id_bit_number;

                  // check for Last discrepancy in family
                  if (last_zero < 9)
                     LastFamilyDiscrepancy = last_zero;
               }
            }

            // set or clear the bit in the ROM byte rom_byte_number
            // with mask rom_byte_mask
            if (search_direction == 1)
              ROM_NO[rom_byte_number] |= rom_byte_mask;
            else
              ROM_NO[rom_byte_number] &= ~rom_byte_mask;

            // serial number search direction write bit
            write_bit(search_direction);

            // increment the byte counter id_bit_number
            // and shift the mask rom_byte_mask
            id_bit_number++;
            rom_byte_mask <<= 1;

            // if the mask is 0 then go to new SerialNum byte rom_byte_number and reset mask
            if (rom_byte_mask == 0)
            {
                rom_byte_number++;
                rom_byte_mask = 1;
            }
         }
      }
      while(rom_byte_number < 8);  // loop until through all ROM bytes 0-7

      // if the search was successful then
      if (!(id_bit_number < 65))
      {
         // search successful so set LastDiscrepancy,LastDeviceFlag,search_result
         LastDiscrepancy = last_zero;

         // check for last device
         if (LastDiscrepancy == 0)
            LastDeviceFlag = TRUE;

         search_result = TRUE;
      }
   }

   // if no device found then reset counters so next 'search' will be like a first
   if (!search_result || !ROM_NO[0])
   {
      LastDiscrepancy = 0;
      LastDeviceFlag = FALSE;
      LastFamilyDiscrepancy = 0;
      search_result = FALSE;
   }
   for (int i = 0; i < 8; i++) newAddr[i] = ROM_NO[i];
   return search_result;
  }

#endif

#if ONEWIRE_CRC
// The 1-Wire CRC scheme is described in Maxim Application Note 27:
// "Understanding and Using Cyclic Redundancy Checks with Maxim iButton Products"
//


//
// Compute a Dallas Semiconductor 8 bit CRC directly.
// this is much slower, but much smaller, than the lookup table.
//
uint8_t OneWire::crc8( uint8_t *addr, uint8_t len)
{
	uint8_t crc = 0;
	
	while (len--) {
		uint8_t inbyte = *addr++;
		for (uint8_t i = 8; i; i--) {
			uint8_t mix = (crc ^ inbyte) & 0x01;
			crc >>= 1;
			if (mix) crc ^= 0x8C;
			inbyte >>= 1;
		}
	}
	return crc;
}
#endif

#if ONEWIRE_CRC16
bool OneWire::check_crc16(const uint8_t* input, uint16_t len, const uint8_t* inverted_crc, uint16_t crc)
{
    crc = ~crc16(input, len, crc);
    return (crc & 0xFF) == inverted_crc[0] && (crc >> 8) == inverted_crc[1];
}

uint16_t OneWire::crc16(const uint8_t* input, uint16_t len, uint16_t crc)
{
    static const uint8_t oddparity[16] =
        { 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0 };

    for (uint16_t i = 0 ; i < len ; i++) {
      // Even though we're just copying a byte from the input,
      // we'll be doing 16-bit computation with it.
      uint16_t cdata = input[i];
      cdata = (cdata ^ crc) & 0xff;
      crc >>= 8;

      if (oddparity[cdata & 0x0F] ^ oddparity[cdata >> 4])
          crc ^= 0xC001;

      cdata <<= 6;
      crc ^= cdata;
      cdata <<= 1;
      crc ^= cdata;
    }
    return crc;
}
#endif


#ifndef DallasTemperature_h
#define DallasTemperature_h

#define DALLASTEMPLIBVERSION "3.7.2"

// This library 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 2.1 of the License, or (at your option) any later version.

// set to true to include code for new and delete operators
#ifndef REQUIRESNEW
#define REQUIRESNEW false
#endif

// set to true to include code implementing alarm search functions
#ifndef REQUIRESALARMS
#define REQUIRESALARMS true
#endif

#include <inttypes.h>

// Model IDs
#define DS18S20MODEL 0x10
#define DS18B20MODEL 0x28
#define DS1822MODEL  0x22

// OneWire commands
#define STARTCONVO      0x44  // Tells device to take a temperature reading and put it on the scratchpad
#define COPYSCRATCH     0x48  // Copy EEPROM
#define READSCRATCH     0xBE  // Read EEPROM
#define WRITESCRATCH    0x4E  // Write to EEPROM
#define RECALLSCRATCH   0xB8  // Reload from last known
#define READPOWERSUPPLY 0xB4  // Determine if device needs parasite power
#define ALARMSEARCH     0xEC  // Query bus for devices with an alarm condition

// Scratchpad locations
#define TEMP_LSB        0
#define TEMP_MSB        1
#define HIGH_ALARM_TEMP 2
#define LOW_ALARM_TEMP  3
#define CONFIGURATION   4
#define INTERNAL_BYTE   5
#define COUNT_REMAIN    6
#define COUNT_PER_C     7
#define SCRATCHPAD_CRC  8

// Device resolution
#define TEMP_9_BIT  0x1F //  9 bit
#define TEMP_10_BIT 0x3F // 10 bit
#define TEMP_11_BIT 0x5F // 11 bit
#define TEMP_12_BIT 0x7F // 12 bit

// Error Codes
#define DEVICE_DISCONNECTED -127

typedef uint8_t DeviceAddress[8];

class DallasTemperature
{
  public:

  DallasTemperature(OneWire*);

  // initalise bus
  void begin(void);

  // returns the number of devices found on the bus
  uint8_t getDeviceCount(void);
  
  // Is a conversion complete on the wire?
  bool isConversionComplete(void);
  
  // returns true if address is valid
  bool validAddress(uint8_t*);

  // finds an address at a given index on the bus 
  bool getAddress(uint8_t*, const uint8_t);
  
  // attempt to determine if the device at the given address is connected to the bus
  bool isConnected(uint8_t*);

  // attempt to determine if the device at the given address is connected to the bus
  // also allows for updating the read scratchpad
  bool isConnected(uint8_t*, uint8_t*);

  // read device's scratchpad
  void readScratchPad(uint8_t*, uint8_t*);

  // write device's scratchpad
  void writeScratchPad(uint8_t*, const uint8_t*);

  // read device's power requirements
  bool readPowerSupply(uint8_t*);

  // get global resolution
  uint8_t getResolution();
  
  // set global resolution to 9, 10, 11, or 12 bits
  void setResolution(uint8_t);

  // returns the device resolution, 9-12
  uint8_t getResolution(uint8_t*);

  // set resolution of a device to 9, 10, 11, or 12 bits
  bool setResolution(uint8_t*, uint8_t);
  
  // sets/gets the waitForConversion flag
  void setWaitForConversion(bool);
  bool getWaitForConversion(void);
  
  // sets/gets the checkForConversion flag
  void setCheckForConversion(bool);
  bool getCheckForConversion(void);
  
  // sends command for all devices on the bus to perform a temperature conversion 
  void requestTemperatures(void);
   
  // sends command for one device to perform a temperature conversion by address
  bool requestTemperaturesByAddress(uint8_t*);

  // sends command for one device to perform a temperature conversion by index
  bool requestTemperaturesByIndex(uint8_t);

  // returns temperature in degrees C
  float getTempC(uint8_t*);

  // returns temperature in degrees F
  float getTempF(uint8_t*);

  // Get temperature for device index (slow)
  float getTempCByIndex(uint8_t);
  
  // Get temperature for device index (slow)
  float getTempFByIndex(uint8_t);
  
  // returns true if the bus requires parasite power
  bool isParasitePowerMode(void);
  
  bool isConversionAvailable(uint8_t*);

  #if REQUIRESALARMS
  
  typedef void AlarmHandler(uint8_t*);

  // sets the high alarm temperature for a device
  // accepts a char.  valid range is -55C - 125C
  void setHighAlarmTemp(uint8_t*, const char);

  // sets the low alarm temperature for a device
  // accepts a char.  valid range is -55C - 125C
  void setLowAlarmTemp(uint8_t*, const char);

  // returns a signed char with the current high alarm temperature for a device
  // in the range -55C - 125C
  char getHighAlarmTemp(uint8_t*);

  // returns a signed char with the current low alarm temperature for a device
  // in the range -55C - 125C
  char getLowAlarmTemp(uint8_t*);
  
  // resets internal variables used for the alarm search
  void resetAlarmSearch(void);

  // search the wire for devices with active alarms
  bool alarmSearch(uint8_t*);

  // returns true if ia specific device has an alarm
  bool hasAlarm(uint8_t*);

  // returns true if any device is reporting an alarm on the bus
  bool hasAlarm(void);

  // runs the alarm handler for all devices returned by alarmSearch()
  void processAlarms(void);
  
  // sets the alarm handler
  void setAlarmHandler(AlarmHandler *);
  
  // The default alarm handler
  static void defaultAlarmHandler(uint8_t*);

  #endif

  // convert from celcius to farenheit
  static float toFahrenheit(const float);

  // convert from farenheit to celsius
  static float toCelsius(const float);

  #if REQUIRESNEW

  // initalize memory area
  void* operator new (unsigned int);

  // delete memory reference
  void operator delete(void*);
  
  #endif

  private:
  typedef uint8_t ScratchPad[9];
  
  // parasite power on or off
  bool parasite;

  // used to determine the delay amount needed to allow for the
  // temperature conversion to take place
  uint8_t bitResolution;
  
  // used to requestTemperature with or without delay
  bool waitForConversion;
  
  // used to requestTemperature to dynamically check if a conversion is complete
  bool checkForConversion;
  
  // count of devices on the bus
  uint8_t devices;
  
  // Take a pointer to one wire instance
  OneWire* _wire;

  // reads scratchpad and returns the temperature in degrees C
  float calculateTemperature(uint8_t*, uint8_t*);
  
  void	blockTillConversionComplete(uint8_t*,uint8_t*);
  
  #if REQUIRESALARMS

  // required for alarmSearch 
  uint8_t alarmSearchAddress[8];
  char alarmSearchJunction;
  uint8_t alarmSearchExhausted;

  // the alarm handler function pointer
  AlarmHandler *_AlarmHandler;

  #endif
  
};
#endif

#ifdef __AVR__
  #if ARDUINO >= 100
      #include "Arduino.h"   
  #else
  extern "C" {
      #include "WConstants.h"
  }
  #endif
#endif
#ifdef STM32F10X_MD
   #include "spark_wiring.h"
#endif

DallasTemperature::DallasTemperature(OneWire* _oneWire)
  #if REQUIRESALARMS
  : _AlarmHandler(&defaultAlarmHandler)
  #endif
{
  _wire = _oneWire;
  devices = 0;
  parasite = false;
  bitResolution = 9;
  waitForConversion = true;
  checkForConversion = true;
}

// initialise the bus
void DallasTemperature::begin(void)
{
  DeviceAddress deviceAddress;

  _wire->reset_search();
  devices = 0; // Reset the number of devices when we enumerate wire devices

  while (_wire->search(deviceAddress))
  {
    if (validAddress(deviceAddress))
    {
      if (!parasite && readPowerSupply(deviceAddress)) parasite = true;

      ScratchPad scratchPad;

      readScratchPad(deviceAddress, scratchPad);

	  bitResolution = max(bitResolution, getResolution(deviceAddress));

      devices++;
    }
  }
}

// returns the number of devices found on the bus
uint8_t DallasTemperature::getDeviceCount(void)
{
  return devices;
}

// returns true if address is valid
bool DallasTemperature::validAddress(uint8_t* deviceAddress)
{
  return (_wire->crc8(deviceAddress, 7) == deviceAddress[7]);
}

// finds an address at a given index on the bus
// returns true if the device was found
bool DallasTemperature::getAddress(uint8_t* deviceAddress, uint8_t index)
{
  uint8_t depth = 0;

  _wire->reset_search();

  while (depth <= index && _wire->search(deviceAddress))
  {
    if (depth == index && validAddress(deviceAddress)) return true;
    depth++;
  }

  return false;
}

// attempt to determine if the device at the given address is connected to the bus
bool DallasTemperature::isConnected(uint8_t* deviceAddress)
{
  ScratchPad scratchPad;
  return isConnected(deviceAddress, scratchPad);
}

// attempt to determine if the device at the given address is connected to the bus
// also allows for updating the read scratchpad
bool DallasTemperature::isConnected(uint8_t* deviceAddress, uint8_t* scratchPad)
{
  readScratchPad(deviceAddress, scratchPad);
  return (_wire->crc8(scratchPad, 8) == scratchPad[SCRATCHPAD_CRC]);
}

// read device's scratch pad
void DallasTemperature::readScratchPad(uint8_t* deviceAddress, uint8_t* scratchPad)
{
  // send the command
  _wire->reset();
  _wire->select(deviceAddress);
  _wire->write(READSCRATCH);

  // TODO => collect all comments &  use simple loop
  // byte 0: temperature LSB  
  // byte 1: temperature MSB
  // byte 2: high alarm temp
  // byte 3: low alarm temp
  // byte 4: DS18S20: store for crc
  //         DS18B20 & DS1822: configuration register
  // byte 5: internal use & crc
  // byte 6: DS18S20: COUNT_REMAIN
  //         DS18B20 & DS1822: store for crc
  // byte 7: DS18S20: COUNT_PER_C
  //         DS18B20 & DS1822: store for crc
  // byte 8: SCRATCHPAD_CRC
  //
  // for(int i=0; i<9; i++)
  // {
  //   scratchPad[i] = _wire->read();
  // }

  
  // read the response

  // byte 0: temperature LSB
  scratchPad[TEMP_LSB] = _wire->read();

  // byte 1: temperature MSB
  scratchPad[TEMP_MSB] = _wire->read();

  // byte 2: high alarm temp
  scratchPad[HIGH_ALARM_TEMP] = _wire->read();

  // byte 3: low alarm temp
  scratchPad[LOW_ALARM_TEMP] = _wire->read();

  // byte 4:
  // DS18S20: store for crc
  // DS18B20 & DS1822: configuration register
  scratchPad[CONFIGURATION] = _wire->read();

  // byte 5:
  // internal use & crc
  scratchPad[INTERNAL_BYTE] = _wire->read();

  // byte 6:
  // DS18S20: COUNT_REMAIN
  // DS18B20 & DS1822: store for crc
  scratchPad[COUNT_REMAIN] = _wire->read();

  // byte 7:
  // DS18S20: COUNT_PER_C
  // DS18B20 & DS1822: store for crc
  scratchPad[COUNT_PER_C] = _wire->read();

  // byte 8:
  // SCTRACHPAD_CRC
  scratchPad[SCRATCHPAD_CRC] = _wire->read();

  _wire->reset();
}

// writes device's scratch pad
void DallasTemperature::writeScratchPad(uint8_t* deviceAddress, const uint8_t* scratchPad)
{
  _wire->reset();
  _wire->select(deviceAddress);
  _wire->write(WRITESCRATCH);
  _wire->write(scratchPad[HIGH_ALARM_TEMP]); // high alarm temp
  _wire->write(scratchPad[LOW_ALARM_TEMP]); // low alarm temp
  // DS18S20 does not use the configuration register
  if (deviceAddress[0] != DS18S20MODEL) _wire->write(scratchPad[CONFIGURATION]); // configuration
  _wire->reset();
  // save the newly written values to eeprom
  _wire->write(COPYSCRATCH, parasite);
  if (parasite) delay(10); // 10ms delay
  _wire->reset();
}

// reads the device's power requirements
bool DallasTemperature::readPowerSupply(uint8_t* deviceAddress)
{
  bool ret = false;
  _wire->reset();
  _wire->select(deviceAddress);
  _wire->write(READPOWERSUPPLY);
  if (_wire->read_bit() == 0) ret = true;
  _wire->reset();
  return ret;
}


// set resolution of all devices to 9, 10, 11, or 12 bits
// if new resolution is out of range, it is constrained.
void DallasTemperature::setResolution(uint8_t newResolution)
{
  bitResolution = constrain(newResolution, 9, 12);
  DeviceAddress deviceAddress;
  for (int i=0; i<devices; i++)
  {
    getAddress(deviceAddress, i);
	setResolution(deviceAddress, bitResolution);
  }
}

// set resolution of a device to 9, 10, 11, or 12 bits
// if new resolution is out of range, 9 bits is used. 
bool DallasTemperature::setResolution(uint8_t* deviceAddress, uint8_t newResolution)
{
  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad))
  {
    // DS18S20 has a fixed 9-bit resolution
    if (deviceAddress[0] != DS18S20MODEL)
    {
      switch (newResolution)
      {
        case 12:
          scratchPad[CONFIGURATION] = TEMP_12_BIT;
          break;
        case 11:
          scratchPad[CONFIGURATION] = TEMP_11_BIT;
          break;
        case 10:
          scratchPad[CONFIGURATION] = TEMP_10_BIT;
          break;
        case 9:
        default:
          scratchPad[CONFIGURATION] = TEMP_9_BIT;
          break;
      }
      writeScratchPad(deviceAddress, scratchPad);
    }
	return true;  // new value set
  }
  return false;
}

// returns the global resolution
uint8_t DallasTemperature::getResolution()
{
	return bitResolution;
}

// returns the current resolution of the device, 9-12
// returns 0 if device not found
uint8_t DallasTemperature::getResolution(uint8_t* deviceAddress)
{
  if (deviceAddress[0] == DS18S20MODEL) return 9; // this model has a fixed resolution

  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad))
  {
	switch (scratchPad[CONFIGURATION])
    {
      case TEMP_12_BIT:
        return 12;
        
      case TEMP_11_BIT:
        return 11;
        
      case TEMP_10_BIT:
        return 10;
        
      case TEMP_9_BIT:
        return 9;
        
	}
  }
  return 0;
}


// sets the value of the waitForConversion flag
// TRUE : function requestTemperature() etc returns when conversion is ready
// FALSE: function requestTemperature() etc returns immediately (USE WITH CARE!!)
// 		  (1) programmer has to check if the needed delay has passed 
//        (2) but the application can do meaningful things in that time
void DallasTemperature::setWaitForConversion(bool flag)
{
	waitForConversion = flag;
}

// gets the value of the waitForConversion flag
bool DallasTemperature::getWaitForConversion()
{
	return waitForConversion;
}


// sets the value of the checkForConversion flag
// TRUE : function requestTemperature() etc will 'listen' to an IC to determine whether a conversion is complete
// FALSE: function requestTemperature() etc will wait a set time (worst case scenario) for a conversion to complete
void DallasTemperature::setCheckForConversion(bool flag)
{
	checkForConversion = flag;
}

// gets the value of the waitForConversion flag
bool DallasTemperature::getCheckForConversion()
{
	return checkForConversion;
}

bool DallasTemperature::isConversionAvailable(uint8_t* deviceAddress)
{
	// Check if the clock has been raised indicating the conversion is complete
  	ScratchPad scratchPad;
  	readScratchPad(deviceAddress, scratchPad);
	return scratchPad[0];
}	


// sends command for all devices on the bus to perform a temperature conversion
void DallasTemperature::requestTemperatures()
{
  _wire->reset();
  _wire->skip();
  _wire->write(STARTCONVO, parasite);

  // ASYNC mode?
  if (!waitForConversion) return; 
  blockTillConversionComplete(&bitResolution, 0);

  return;
}

// sends command for one device to perform a temperature by address
// returns FALSE if device is disconnected
// returns TRUE  otherwise
bool DallasTemperature::requestTemperaturesByAddress(uint8_t* deviceAddress)
{

  _wire->reset();
  _wire->select(deviceAddress);
  _wire->write(STARTCONVO, parasite);
  
    // check device
  ScratchPad scratchPad;
  if (!isConnected(deviceAddress, scratchPad)) return false;
  
  
  // ASYNC mode?
  if (!waitForConversion) return true;   
  uint8_t bitResolution = getResolution(deviceAddress);
  blockTillConversionComplete(&bitResolution, deviceAddress);
  
  return true;
}


void DallasTemperature::blockTillConversionComplete(uint8_t* bitResolution, uint8_t* deviceAddress)
{
	if(deviceAddress != 0 && checkForConversion && !parasite)
	{
	  	// Continue to check if the IC has responded with a temperature
	  	// NB: Could cause issues with multiple devices (one device may respond faster)
	  	unsigned long start = millis();
		while(!isConversionAvailable(0) && ((millis() - start) < 750));	
	}
	
  	// Wait a fix number of cycles till conversion is complete (based on IC datasheet)
	  switch (*bitResolution)
	  {
	    case 9:
	      delay(94);
	      break;
	    case 10:
	      delay(188);
	      break;
	    case 11:
	      delay(375);
	      break;
	    case 12:
	    default:
	      delay(750);
	      break;
	  }

}

// sends command for one device to perform a temp conversion by index
bool DallasTemperature::requestTemperaturesByIndex(uint8_t deviceIndex)
{
  DeviceAddress deviceAddress;
  getAddress(deviceAddress, deviceIndex);
  return requestTemperaturesByAddress(deviceAddress);
}

// Fetch temperature for device index
float DallasTemperature::getTempCByIndex(uint8_t deviceIndex)
{
  DeviceAddress deviceAddress;
  getAddress(deviceAddress, deviceIndex);
  return getTempC((uint8_t*)deviceAddress);
}

// Fetch temperature for device index
float DallasTemperature::getTempFByIndex(uint8_t deviceIndex)
{
  return toFahrenheit(getTempCByIndex(deviceIndex));
}

// reads scratchpad and returns the temperature in degrees C
float DallasTemperature::calculateTemperature(uint8_t* deviceAddress, uint8_t* scratchPad)
{
  int16_t rawTemperature = (((int16_t)scratchPad[TEMP_MSB]) << 8) | scratchPad[TEMP_LSB];

  switch (deviceAddress[0])
  {
    case DS18B20MODEL:
    case DS1822MODEL:
      switch (scratchPad[CONFIGURATION])
      {
        case TEMP_12_BIT:
          return (float)rawTemperature * 0.0625;
          break;
        case TEMP_11_BIT:
          return (float)(rawTemperature >> 1) * 0.125;
          break;
        case TEMP_10_BIT:
          return (float)(rawTemperature >> 2) * 0.25;
          break;
        case TEMP_9_BIT:
          return (float)(rawTemperature >> 3) * 0.5;
          break;
      }
      break;
    case DS18S20MODEL:
      /*

      Resolutions greater than 9 bits can be calculated using the data from
      the temperature, COUNT REMAIN and COUNT PER �C registers in the
      scratchpad. Note that the COUNT PER �C register is hard-wired to 16
      (10h). After reading the scratchpad, the TEMP_READ value is obtained
      by truncating the 0.5�C bit (bit 0) from the temperature data. The
      extended resolution temperature can then be calculated using the
      following equation:

                                       COUNT_PER_C - COUNT_REMAIN
      TEMPERATURE = TEMP_READ - 0.25 + --------------------------
                                               COUNT_PER_C
      */

      // Good spot. Thanks Nic Johns for your contribution
      return (float)(rawTemperature >> 1) - 0.25 +((float)(scratchPad[COUNT_PER_C] - scratchPad[COUNT_REMAIN]) / (float)scratchPad[COUNT_PER_C] );
      break;
  }
   return (float)00.00;
}

// returns temperature in degrees C or DEVICE_DISCONNECTED if the
// device's scratch pad cannot be read successfully.
// the numeric value of DEVICE_DISCONNECTED is defined in
// DallasTemperature.h. It is a large negative number outside the
// operating range of the device
float DallasTemperature::getTempC(uint8_t* deviceAddress)
{
  // TODO: Multiple devices (up to 64) on the same bus may take 
  //       some time to negotiate a response
  // What happens in case of collision?

  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad)) return calculateTemperature(deviceAddress, scratchPad);
  return DEVICE_DISCONNECTED;
}

// returns temperature in degrees F
// TODO: - when getTempC returns DEVICE_DISCONNECTED 
//        -127 gets converted to -196.6 F
float DallasTemperature::getTempF(uint8_t* deviceAddress)
{
  return toFahrenheit(getTempC(deviceAddress));
}

// returns true if the bus requires parasite power
bool DallasTemperature::isParasitePowerMode(void)
{
  return parasite;
}

#if REQUIRESALARMS

/*

ALARMS:

TH and TL Register Format

BIT 7 BIT 6 BIT 5 BIT 4 BIT 3 BIT 2 BIT 1 BIT 0
  S    2^6   2^5   2^4   2^3   2^2   2^1   2^0

Only bits 11 through 4 of the temperature register are used
in the TH and TL comparison since TH and TL are 8-bit
registers. If the measured temperature is lower than or equal
to TL or higher than or equal to TH, an alarm condition exists
and an alarm flag is set inside the DS18B20. This flag is
updated after every temperature measurement; therefore, if the
alarm condition goes away, the flag will be turned off after
the next temperature conversion.

*/

// sets the high alarm temperature for a device in degrees celsius
// accepts a float, but the alarm resolution will ignore anything
// after a decimal point.  valid range is -55C - 125C
void DallasTemperature::setHighAlarmTemp(uint8_t* deviceAddress, char celsius)
{
  // make sure the alarm temperature is within the device's range
  if (celsius > 125) celsius = 125;
  else if (celsius < -55) celsius = -55;

  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad))
  {
    scratchPad[HIGH_ALARM_TEMP] = (uint8_t)celsius;
    writeScratchPad(deviceAddress, scratchPad);
  }
}

// sets the low alarm temperature for a device in degreed celsius
// accepts a float, but the alarm resolution will ignore anything
// after a decimal point.  valid range is -55C - 125C
void DallasTemperature::setLowAlarmTemp(uint8_t* deviceAddress, char celsius)
{
  // make sure the alarm temperature is within the device's range
  if (celsius > 125) celsius = 125;
  else if (celsius < -55) celsius = -55;

  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad))
  {
    scratchPad[LOW_ALARM_TEMP] = (uint8_t)celsius;
    writeScratchPad(deviceAddress, scratchPad);
  }
}

// returns a char with the current high alarm temperature or
// DEVICE_DISCONNECTED for an address
char DallasTemperature::getHighAlarmTemp(uint8_t* deviceAddress)
{
  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad)) return (char)scratchPad[HIGH_ALARM_TEMP];
  return DEVICE_DISCONNECTED;
}

// returns a char with the current low alarm temperature or
// DEVICE_DISCONNECTED for an address
char DallasTemperature::getLowAlarmTemp(uint8_t* deviceAddress)
{
  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad)) return (char)scratchPad[LOW_ALARM_TEMP];
  return DEVICE_DISCONNECTED;
}

// resets internal variables used for the alarm search
void DallasTemperature::resetAlarmSearch()
{
  alarmSearchJunction = -1;
  alarmSearchExhausted = 0;
  for(uint8_t i = 0; i < 7; i++)
    alarmSearchAddress[i] = 0;
}

// This is a modified version of the OneWire::search method.
//
// Also added the OneWire search fix documented here:
// http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1238032295
//
// Perform an alarm search. If this function returns a '1' then it has
// enumerated the next device and you may retrieve the ROM from the
// OneWire::address variable. If there are no devices, no further
// devices, or something horrible happens in the middle of the
// enumeration then a 0 is returned.  If a new device is found then
// its address is copied to newAddr.  Use
// DallasTemperature::resetAlarmSearch() to start over.
bool DallasTemperature::alarmSearch(uint8_t* newAddr)
{
  uint8_t i;
  char lastJunction = -1;
  uint8_t done = 1;

  if (alarmSearchExhausted) return false;
  if (!_wire->reset()) return false;

  // send the alarm search command
  _wire->write(0xEC, 0);

  for(i = 0; i < 64; i++)
  {
    uint8_t a = _wire->read_bit( );
    uint8_t nota = _wire->read_bit( );
    uint8_t ibyte = i / 8;
    uint8_t ibit = 1 << (i & 7);

    // I don't think this should happen, this means nothing responded, but maybe if
    // something vanishes during the search it will come up.
    if (a && nota) return false;

    if (!a && !nota)
    {
      if (i == alarmSearchJunction)
      {
        // this is our time to decide differently, we went zero last time, go one.
        a = 1;
        alarmSearchJunction = lastJunction;
      }
      else if (i < alarmSearchJunction)
      {
        // take whatever we took last time, look in address
        if (alarmSearchAddress[ibyte] & ibit) a = 1;
        else
        {
          // Only 0s count as pending junctions, we've already exhasuted the 0 side of 1s
          a = 0;
          done = 0;
          lastJunction = i;
        }
      }
      else
      {
        // we are blazing new tree, take the 0
        a = 0;
        alarmSearchJunction = i;
        done = 0;
      }
      // OneWire search fix
      // See: http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1238032295
    }

    if (a) alarmSearchAddress[ibyte] |= ibit;
    else alarmSearchAddress[ibyte] &= ~ibit;

    _wire->write_bit(a);
  }

  if (done) alarmSearchExhausted = 1;
  for (i = 0; i < 8; i++) newAddr[i] = alarmSearchAddress[i];
  return true;
}

// returns true if device address has an alarm condition
// TODO: can this be done with only TEMP_MSB REGISTER (faster)
//       if ((char) scratchPad[TEMP_MSB] <= (char) scratchPad[LOW_ALARM_TEMP]) return true;
//       if ((char) scratchPad[TEMP_MSB] >= (char) scratchPad[HIGH_ALARM_TEMP]) return true;
bool DallasTemperature::hasAlarm(uint8_t* deviceAddress)
{
  ScratchPad scratchPad;
  if (isConnected(deviceAddress, scratchPad))
  {
    float temp = calculateTemperature(deviceAddress, scratchPad);

    // check low alarm
    if ((char)temp <= (char)scratchPad[LOW_ALARM_TEMP]) return true;

    // check high alarm
    if ((char)temp >= (char)scratchPad[HIGH_ALARM_TEMP]) return true;
  }

  // no alarm
  return false;
}

// returns true if any device is reporting an alarm condition on the bus
bool DallasTemperature::hasAlarm(void)
{
  DeviceAddress deviceAddress;
  resetAlarmSearch();
  return alarmSearch(deviceAddress);
}

// runs the alarm handler for all devices returned by alarmSearch()
void DallasTemperature::processAlarms(void)
{
  resetAlarmSearch();
  DeviceAddress alarmAddr;

  while (alarmSearch(alarmAddr))
  {
    if (validAddress(alarmAddr))
      _AlarmHandler(alarmAddr);
  }
}

// sets the alarm handler
void DallasTemperature::setAlarmHandler(AlarmHandler *handler)
{
  _AlarmHandler = handler;
}

// The default alarm handler
void DallasTemperature::defaultAlarmHandler(uint8_t* deviceAddress)
{
}

#endif

// Convert float celsius to fahrenheit
float DallasTemperature::toFahrenheit(float celsius)
{
  return (celsius * 1.8) + 32;
}

// Convert float fahrenheit to celsius
float DallasTemperature::toCelsius(float fahrenheit)
{
  return (fahrenheit - 32) / 1.8;
}

#if REQUIRESNEW

// MnetCS - Allocates memory for DallasTemperature. Allows us to instance a new object
void* DallasTemperature::operator new(unsigned int size) // Implicit NSS obj size
{
  void * p; // void pointer
  p = malloc(size); // Allocate memory
  memset((DallasTemperature*)p,0,size); // Initalise memory

  //!!! CANT EXPLICITLY CALL CONSTRUCTOR - workaround by using an init() methodR - workaround by using an init() method
  return (DallasTemperature*) p; // Cast blank region to NSS pointer
}

// MnetCS 2009 -  Unallocates the memory used by this instance
void DallasTemperature::operator delete(void* p)
{
  DallasTemperature* pNss =  (DallasTemperature*) p; // Cast to NSS pointer
  pNss->~DallasTemperature(); // Destruct the object

  free(p); // Free the memory
}

#endif

Garan player; 
Servo servo1;

int playerNext(String args) {
     player.next();
     return 0;
}

int playerStop(String args) {
     player.stop();
     return 0;
}

int playerVolume(String args) {
     player.setVolume(args.toInt());
     return 0;
}

int setServo(String args) {
    servo1.write(args.toInt());
     return 0;
}

int displayTest(String args) {
    lcd->setCursor(0,0);
    lcd->print(args);
    lcd->print("            ");
    return 0;
}



void setup()
{
    lcd = new LiquidCrystal_I2C(0x27, 16, 2);  // set the LCD address to 0x20 for a 16x2 //SparkCore bug, address is actually 27 but shifted (0x27*2)
    lcd->init();                      // initialize the lcd
    lcd->backlight();
    lcd->clear();
    lcd->setCursor(0,0);
    lcd->print("---Spark*Core---");
    lcd->setCursor(0,1);
    lcd->print("Uptime:");
    Spark.function("next", playerNext);
    Spark.function("stop", playerStop);
    Spark.function("display", displayTest);
    Spark.function("volume", playerVolume);
    Spark.function("servo", setServo);
    servo1.attach(A6);
    servo1.write(90);
}
 
void loop()
{
    lcd->setCursor(7,1);
    lcd->print((int)(millis()/1000));
    delay(200);
    if((int)(millis()/1000)==10) {
        player.setVolume(15);
        setServo("120");
    }
}