BeerBoxiOS/BeerBox/ViewController.m

//
//  ViewController.m
//  BeerBox
//
//  Created by Lukas on 24/07/14.
//  Copyright (c) 2014 LBSFilm. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController 

@synthesize btControl, box, status;

- (void)viewDidLoad
{
    [super viewDidLoad];
	// Do any additional setup after loading the view, typically from a nib.
    
    btControl = [[SerialGATT alloc] init];
    [btControl setup];
    btControl.delegate = self;
    
    [_nameEntry setDelegate:self];
    
}

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

- (IBAction)connect:(id)sender {
    
    [btControl findHMSoftPeripherals:8];
    [NSTimer scheduledTimerWithTimeInterval:8 target:self selector:@selector(scanTimer:) userInfo:nil repeats:NO];
}

-(void) scanTimer:(NSTimer *)timer
{
    
   if(box == nil) [[[UIAlertView alloc] initWithTitle:@"Error" message:@"BeerBox not found!" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:nil] show];
}


-(void) peripheralFound:(CBPeripheral *)peripheral
{
    if([peripheral.name  isEqual: @"LBsKeys"])
    {
        box = peripheral;
        [btControl connect:box];
    }
}

-(void) serialGATTCharValueUpdated:(NSString *)UUID value:(NSData *)data
{
    NSString *value = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding];
    [[[UIAlertView alloc] initWithTitle:@"RCV!" message:value delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:nil] show];

}

- (IBAction)sendMsgToArduino:(id)sender {
    
    NSString *sendString = [NSString stringWithFormat:@"!%@;",_nameEntry.text];
    NSData *data = [sendString dataUsingEncoding:[NSString defaultCStringEncoding]];
    
    if(data.length > 20)
    {
        int i = 0;
        int nIndex = 0;
        while ((i + 1) * 20 <= data.length) {
            nIndex = i * 20;
            if(nIndex > 0)
                nIndex--;
            NSData *dataSend = [data subdataWithRange:NSMakeRange(nIndex, 20)];
            [btControl write:box data:dataSend];
            i++;
        }
        i = data.length % 20;
        if(i > 0)
        {
            NSData *dataSend = [data subdataWithRange:NSMakeRange(data.length - i, i)];
            [btControl write:box data:dataSend];
        }
        
    }else
    {
        //NSData *data = [MsgToArduino.text dataUsingEncoding:[NSString defaultCStringEncoding]];
        [btControl write:box data:data];
    }
}

- (IBAction)removeUser:(id)sender {
}

- (IBAction)listUsers:(id)sender {
}


- (IBAction)revokeRFID:(id)sender {
    
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Revoke RFID" message:@"Enter an ID" delegate:nil cancelButtonTitle:@"Cancel" otherButtonTitles:@"Add", nil];
    alert.alertViewStyle = UIAlertViewStylePlainTextInput;
    [alert show];
    [alert setDelegate:self];
    [[alert textFieldAtIndex:0] setDelegate:self];
    [[alert textFieldAtIndex:0] resignFirstResponder];
    [[alert textFieldAtIndex:0] setKeyboardType:UIKeyboardTypePhonePad];
    [[alert textFieldAtIndex:0] becomeFirstResponder];
    
    
}

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{
    // The user created a new item, add it
    NSLog(@"Recall!");
    if (buttonIndex == 1) {
        // Get the input text
        NSString *newItem = [[alertView textFieldAtIndex:0] text];
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Number" message:newItem delegate:nil cancelButtonTitle:@"ok" otherButtonTitles:@"Add", nil];
        [alert show];
    }
}

- (IBAction)revokeFinger:(id)sender {
}



- (IBAction)checkCount:(id)sender {
    
    NSString *sendString = [NSString stringWithFormat:@"!%@;",_nameEntry.text];
    NSData *data = [sendString dataUsingEncoding:[NSString defaultCStringEncoding]];
    
    if(data.length > 20)
    {
        int i = 0;
        int nIndex = 0;
        while ((i + 1) * 20 <= data.length) {
            nIndex = i * 20;
            if(nIndex > 0)
                nIndex--;
            NSData *dataSend = [data subdataWithRange:NSMakeRange(nIndex, 20)];
            [btControl write:box data:dataSend];
            i++;
        }
        i = data.length % 20;
        if(i > 0)
        {
            NSData *dataSend = [data subdataWithRange:NSMakeRange(data.length - i, i)];
            [btControl write:box data:dataSend];
        }
        
    }else
    {
        //NSData *data = [MsgToArduino.text dataUsingEncoding:[NSString defaultCStringEncoding]];
        [btControl write:box data:data];
    }
}



-(void)setConnect
{
     [[[UIAlertView alloc] initWithTitle:@"Found!" message:@"BeerBox found!" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil] show];
    status.text=@"Connected!";
}

-(void)setDisconnect
{
 [[[UIAlertView alloc] initWithTitle:@"Lost!" message:@"BeerBox lost :-(" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil] show];
 status.text=@"not Connected";
}


- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    [textField resignFirstResponder];
    return NO;
}

@end