/*

 File: LeTemperatureAlarmService.h

 Abstract: Temperature Alarm Service Header - Connect to a peripheral 

 and get notified when the temperature changes and goes past settable

 maximum and minimum temperatures.

 Version: 1.0

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 */

#import <Foundation/Foundation.h>

#import <CoreBluetooth/CoreBluetooth.h>

/****************************************************************************/

/*                      Service Characteristics                             */

/****************************************************************************/

extern NSString *kTemperatureServiceUUIDString;                 // DEADF154-0000-0000-0000-0000DEADF154     Service UUID

extern NSString *kCurrentTemperatureCharacteristicUUIDString;   // CCCCFFFF-DEAD-F154-1319-740381000000     Current Temperature Characteristic

extern NSString *kMinimumTemperatureCharacteristicUUIDString;   // C0C0C0C0-DEAD-F154-1319-740381000000     Minimum Temperature Characteristic

extern NSString *kMaximumTemperatureCharacteristicUUIDString;   // EDEDEDED-DEAD-F154-1319-740381000000     Maximum Temperature Characteristic

extern NSString *kAlarmCharacteristicUUIDString;                // AAAAAAAA-DEAD-F154-1319-740381000000     Alarm Characteristic

extern NSString *kAlarmServiceEnteredBackgroundNotification;

extern NSString *kAlarmServiceEnteredForegroundNotification;

/****************************************************************************/

/*                              Protocol                                    */

/****************************************************************************/

@class LeTemperatureAlarmService;

typedef enum {

    kAlarmHigh  = 0,

    kAlarmLow   = 1,

} AlarmType;

@protocol LeTemperatureAlarmProtocol<NSObject>

- (void) alarmService:(LeTemperatureAlarmService*)service didSoundAlarmOfType:(AlarmType)alarm;

- (void) alarmServiceDidStopAlarm:(LeTemperatureAlarmService*)service;

- (void) alarmServiceDidChangeTemperature:(LeTemperatureAlarmService*)service;

- (void) alarmServiceDidChangeTemperatureBounds:(LeTemperatureAlarmService*)service;

- (void) alarmServiceDidChangeStatus:(LeTemperatureAlarmService*)service;

- (void) alarmServiceDidReset;

@end

/****************************************************************************/

/*                      Temperature Alarm service.                          */

/****************************************************************************/

@interface LeTemperatureAlarmService : NSObject

- (id) initWithPeripheral:(CBPeripheral *)peripheral controller:(id<LeTemperatureAlarmProtocol>)controller;

- (void) reset;

- (void) start;

/* Querying Sensor */

@property (readonly) CGFloat temperature;

@property (readonly) CGFloat minimumTemperature;

@property (readonly) CGFloat maximumTemperature;

/* Set the alarm cutoffs */

- (void) writeLowAlarmTemperature:(int)low;

- (void) writeHighAlarmTemperature:(int)high;

/* Behave properly when heading into and out of the background */

- (void)enteredBackground;

- (void)enteredForeground;

@property (readonly) CBPeripheral *peripheral;

@end