单军华
2018-03-28 f99cf1d5cc50407394501853be06cb39f38a092c
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/*
 * Copyright Cypress Semiconductor Corporation, 2014-2015 All rights reserved.
 *
 * This software, associated documentation and materials ("Software") is
 * owned by Cypress Semiconductor Corporation ("Cypress") and is
 * protected by and subject to worldwide patent protection (UnitedStates and foreign), United States copyright laws and international
 * treaty provisions. Therefore, unless otherwise specified in a separate license agreement between you and Cypress, this Software
 * must be treated like any other copyrighted material. Reproduction,
 * modification, translation, compilation, or representation of this
 * Software in any other form (e.g., paper, magnetic, optical, silicon)
 * is prohibited without Cypress's express written permission.
 *
 * Disclaimer: THIS SOFTWARE IS PROVIDED AS-IS, WITH NO WARRANTY OF ANY
 * KIND, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
 * NONINFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes
 * to the Software without notice. Cypress does not assume any liability
 * arising out of the application or use of Software or any product or
 * circuit described in the Software. Cypress does not authorize its
 * products for use as critical components in any products where a
 * malfunction or failure may reasonably be expected to result in
 * significant injury or death ("High Risk Product"). By including
 * Cypress's product in a High Risk Product, the manufacturer of such
 * system or application assumes all risk of such use and in doing so
 * indemnifies Cypress against all liability.
 *
 * Use of this Software may be limited by and subject to the applicable
 * Cypress software license agreement.
 *
 *
 */
 
 
#import "AccelerometerModel.h"
#import "Constants.h"
 
/*!
 *  @class AccelerometerModel
 *
 *  @discussion Class to handle the accelerometer service related operations
 *
 */
 
@interface AccelerometerModel ()
{
    NSMutableArray *XYZCharacteristicsArray;
    CBCharacteristic *scanIntervalCharacteristic, *sensorTypecharacteristic, *dataAccumulationCharacteristic;
}
 
@end
 
 
@implementation AccelerometerModel
 
- (instancetype)init
{
    self = [super init];
    if (self) {
        
        XYZCharacteristicsArray = [[NSMutableArray alloc] init];
    }
    return self;
}
 
/*!
 *  @method writeValueForAccelerometerSensorScanInterval:
 *
 *  @discussion Method to write value for accelerometer SensorScanInterval
 *
 */
-(void) writeValueForAccelerometerSensorScanInterval:(int) newScanInterval
{
    uint8_t val = (uint8_t)newScanInterval; // The value which you want to write.
    NSData  *valData = [NSData dataWithBytes:(void*)&val length:sizeof(val)];
    [[[CBMoralManager sharedManager] myPeripheral] writeValue:valData forCharacteristic:scanIntervalCharacteristic type:CBCharacteristicWriteWithoutResponse];
    
    [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:ACCELEROMETER_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:scanIntervalCharacteristic.UUID] descriptor:nil operation:[NSString stringWithFormat:@"%@%@ %@",WRITE_REQUEST,DATA_SEPERATOR,[Utilities convertDataToLoggerFormat:valData]]];
}
 
/*!
 *  @method writeValueForAccelerometerFilterconfiguration:
 *
 *  @discussion Method to write value for accelerometer filter configuration
 *
 */
 
-(void) writeValueForAccelerometerFilterConfiguration:(int) filterconfiguration
{
    uint8_t val = (uint8_t)filterconfiguration; // The value which you want to write.
    NSData  *valData = [NSData dataWithBytes:(void*)&val length:sizeof(val)];
    [[[CBMoralManager sharedManager] myPeripheral] writeValue:valData forCharacteristic:dataAccumulationCharacteristic type:CBCharacteristicWriteWithoutResponse];
    
    [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:ACCELEROMETER_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:dataAccumulationCharacteristic.UUID] descriptor:nil operation:[NSString stringWithFormat:@"%@%@ %@",WRITE_REQUEST,DATA_SEPERATOR,[Utilities convertDataToLoggerFormat:valData]]];
}
 
/*!
 *  @method stopUpdate
 *
 *  @discussion Method to stop update
 *
 */
 
-(void)stopUpdate
{
    [self updateCharacteristicsNotificationStatus:NO];
}
 
/*!
 *  @method getCharacteristicsForAccelerometerService
 *
 *  @discussion Method to get the characteristics for accelerometer service
 *
 */
 
-(void) getCharacteristicsForAccelerometerService:(CBService *) service
{
    for (CBCharacteristic *characteristic in service.characteristics)
    {
        if ([characteristic.UUID isEqual:ACCELEROMETER_READING_X_CHARACTERISTIC_UUID])
        {
            [XYZCharacteristicsArray addObject:characteristic];
        }
        else if ([characteristic.UUID isEqual:ACCELEROMETER_READING_Y_CHARACTERISTIC_UUID])
        {
            [XYZCharacteristicsArray addObject:characteristic];
        }
        else if ([characteristic.UUID isEqual:ACCELEROMETER_READING_Z_CHARACTERISTIC_UUID])
        {
            [XYZCharacteristicsArray addObject:characteristic];
        }
        else if ([characteristic.UUID isEqual:ACCELEROMETER_SENSOR_SCAN_INTERVAL_CHARACTERISTIC_UUID])
        {
            scanIntervalCharacteristic = characteristic;
        }
        else if ([characteristic.UUID isEqual:ACCELEROMETER_DATA_ACCUMULATION_CHARACTERISTIC_UUID])
        {
            dataAccumulationCharacteristic = characteristic;
        }
        else if ([characteristic.UUID isEqual:ACCELEROMETER_ANALOG_SENSOR_CHARACTERISTIC_UUID])
        {
            sensorTypecharacteristic = characteristic;
        }
    }
    
}
 
/*!
 *  @method updateXYZCharacteristics
 *
 *  @discussion Method to set notify for accelerometer X,Y and Z values
 *
 */
 
-(void) updateXYZCharacteristics
{
    [self updateCharacteristicsNotificationStatus:YES];
}
 
/*!
 *  @method updateCharacteristicsNotificationStatus:
 *
 *  @discussion Method to update the notification status of x,y and z characteristics
 *
 */
-(void) updateCharacteristicsNotificationStatus:(BOOL)status
{
    if ([XYZCharacteristicsArray count] > 0)
    {
        for (CBCharacteristic *characteristic in XYZCharacteristicsArray)
        {
            [[[CBMoralManager sharedManager] myPeripheral] setNotifyValue:status forCharacteristic:characteristic];
            
            if (status)
            {
                [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:ACCELEROMETER_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:characteristic.UUID] descriptor:nil operation:START_NOTIFY];
            }
            else
            {
                 [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:ACCELEROMETER_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:characteristic.UUID] descriptor:nil operation:STOP_NOTIFY];
            }
        }
    }
}
 
 
 
/*!
 *  @method readAccelerometerCharacteristics
 *
 *  @discussion Method to read values for different accelerometer characteristics
 *
 */
 
-(void) readAccelerometerCharacteristics
{
    
    if (scanIntervalCharacteristic != nil)
    {
        [[[CBMoralManager sharedManager] myPeripheral] readValueForCharacteristic:scanIntervalCharacteristic];
        
        [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:ACCELEROMETER_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:scanIntervalCharacteristic.UUID] descriptor:nil operation:READ_REQUEST];
    }
    
    if (dataAccumulationCharacteristic != nil)
    {
        [[[CBMoralManager sharedManager] myPeripheral] readValueForCharacteristic:dataAccumulationCharacteristic];
        
        [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:ACCELEROMETER_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:dataAccumulationCharacteristic.UUID] descriptor:nil operation:READ_REQUEST];
    }
    
    if (sensorTypecharacteristic != nil)
    {
        [[[CBMoralManager sharedManager] myPeripheral] readValueForCharacteristic:sensorTypecharacteristic];
        
        [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:ACCELEROMETER_SERVICE_UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:sensorTypecharacteristic.UUID] descriptor:nil operation:READ_REQUEST];
    }
}
 
 
/*!
 *  @method getXYZValuesWithCharacteristic:
 *
 *  @discussion Method to get the accelerometer X,Y and Z values
 *
 */
 
 
-(void) getXYZValuesWithCharacteristic:(CBCharacteristic *)characteristic
{
    NSData *data = [characteristic value];
    const uint8_t *reportData = (uint8_t *)[data bytes];
    
    if ([characteristic.UUID isEqual:ACCELEROMETER_READING_X_CHARACTERISTIC_UUID])
    {
        _xValue = CFSwapInt16LittleToHost(*(uint16_t *) &reportData[0]);
    }
    else if ([characteristic.UUID isEqual:ACCELEROMETER_READING_Y_CHARACTERISTIC_UUID])
    {
        _yValue = CFSwapInt16LittleToHost(*(uint16_t *) &reportData[0]);
    }
    else if ([characteristic.UUID isEqual:ACCELEROMETER_READING_Z_CHARACTERISTIC_UUID])
    {
        _zValue = CFSwapInt16LittleToHost(*(uint16_t *) &reportData[0]);
    }
 
    [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:characteristic.service.UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:characteristic.UUID] descriptor:nil operation:[NSString stringWithFormat:@"%@%@ %@",NOTIFY_RESPONSE,DATA_SEPERATOR,[Utilities convertDataToLoggerFormat:data]]];
}
 
/*!
 *  @method getValuesForAcclerometerCharacteristics:
 *
 *  @discussion Method to parse values for different accelerometer characteristics
 *
 */
-(void) getValuesForAcclerometerCharacteristics:(CBCharacteristic *)characteristic
{
    NSData *data = [characteristic value];
    const uint8_t *reportData = (uint8_t *)[data bytes];
 
    if ([characteristic.UUID isEqual:ACCELEROMETER_SENSOR_SCAN_INTERVAL_CHARACTERISTIC_UUID])
    {
        _scanIntervalString = [NSString stringWithFormat:@"%d",reportData[0]];
    }
    else if ([characteristic.UUID isEqual:ACCELEROMETER_DATA_ACCUMULATION_CHARACTERISTIC_UUID])
    {
        _filterTypeConfigurationString = [NSString stringWithFormat:@"%d",reportData[0]];
    }
    else if ([characteristic.UUID isEqual:ACCELEROMETER_ANALOG_SENSOR_CHARACTERISTIC_UUID])
    {
        _sensorTypeString = [NSString stringWithFormat:@"%d",reportData[0]];
    }
    
    [Utilities logDataWithService:[ResourceHandler getServiceNameForUUID:characteristic.service.UUID] characteristic:[ResourceHandler getCharacteristicNameForUUID:characteristic.UUID] descriptor:nil operation:[NSString stringWithFormat:@"%@%@ %@",READ_RESPONSE,DATA_SEPERATOR,[Utilities convertDataToLoggerFormat:data]]];
 
}
 
 
 
 
@end