Basic MOSS View Controller

ViewController.m

//
//  ViewController.m
//  ExampleMoss
//
//  Created by Donald Ness on 10/28/14.
//  Copyright (c) 2014 Modular Robotics. All rights reserved.
//

#import "ViewController.h"
#import <MossKit/MossKit.h>

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
    MRMossBrainManager *manager = [MRMossBrainManager sharedMossBrainManager];
    
    [[NSNotificationCenter defaultCenter]
        addObserver:self selector:@selector(mossBrainsDidChange:)
        name:MRMossBrainManagerMossBrainsDidChangeNotification
        object:manager];
    
    [manager scanForMossBrains];
}

- (void)mossBrainsDidChange:(id)note {
    NSArray *mossBrains = [[MRMossBrainManager sharedMossBrainManager] mossBrains];
    if (mossBrains.count > 0) {
        MRMossBrain *firstBrain = mossBrains[0];
        [self connectToFirstMossBrain:firstBrain];
    }
}

- (void)connectToFirstMossBrain:(MRMossBrain *)brain
{
    NSLog(@"brain name: %@", brain.name);
    [brain connectWithResult:^(NSError *err) {
        if (err) {
            NSLog(@"error connecting: %@", err);
        }
        else {
            // Now, we're connected!
            [brain setFaceState:MRMossBrainFaceStateInput atIndex:5 withResult:^(NSError *err) {
                // Now face 6 is an input!
                [brain
                    startFaceValueUpdatesToQueue:dispatch_get_main_queue()
                    withHandler:^(UInt8 index, UInt8 value) {
                    if (index == 5) {
                        float floatValue = 1.0 * value / 255.0f;
                        self.valueSlider.minimumValue = 0;
                        self.valueSlider.maximumValue = 1;
                        NSLog(@"value of %d is %f", index, floatValue);
                        self.valueSlider.value = floatValue;
                    }
                } withResult:nil];
            }];
        }
    }];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end