Changeset daf54d5 in orbit for iOS/Orbit/Orbit/ViewController.m

Timestamp:

12/25/12 16:52:35 (8 years ago)

Author:

Steve Castellotti <sc@…>

Branches:

master, RawEEG, Raw_EEG_Plot, Servo, Tab_Interface, pyramid

Children:

ae32e69

Parents:

2aabdf3

Message:

• Connect button added to interface
• Variable volume level fixed
• Enhanced display log output

File:

• iOS/Orbit/Orbit/ViewController.m (modified) (7 diffs)

iOS/Orbit/Orbit/ViewController.m

@@ -28 +28 @@
    
    int currentAttentionLevel, currentMeditationLevel; // the latest readings from the headset
+   BOOL processingDevice;
    BOOL demoRunning;
 }
 
-@synthesize log, attention, meditation, signal, power, attentionThreshold, meditationThreshold, demoButton;
+@synthesize log, attention, meditation, signal, power, attentionThreshold, meditationThreshold, connectButton, demoButton;
 
 - (void)viewDidLoad
@@ -52 +53 @@
 - (void) appForegrounded
 {
-   EAAccessory *accessory = [[TGAccessoryManager sharedTGAccessoryManager] accessory];
-   if (accessory != nil) {
-      [self logMessage:[NSString stringWithFormat:@"App opened with %@ connected. Starting data stream", accessory.name]];
-      [[TGAccessoryManager sharedTGAccessoryManager] startStream];
-   }
+   //   EAAccessory *accessory = [[TGAccessoryManager sharedTGAccessoryManager] accessory];
+   //   if (accessory != nil) {
+   //      [self logMessage:[NSString stringWithFormat:@"App opened with %@ connected. Starting data stream", accessory.name]];
+   //      [[TGAccessoryManager sharedTGAccessoryManager] startStream];
+   //   }
    [self resetViews]; // just in case it didn't happen on close
 }
@@ -135 +136 @@
 // The headset was switched on, start the data stream
 - (void)accessoryDidConnect:(EAAccessory *)accessory {
-   [self logMessage:[NSString stringWithFormat:@"%@ was connected to this device. Starting data stream...", [accessory name]]];
+   [self logMessage:[NSString stringWithFormat:@"%@ connected to this device", [accessory name]]];
    if ([[TGAccessoryManager sharedTGAccessoryManager] accessory] != nil) {
       [[TGAccessoryManager sharedTGAccessoryManager] startStream];
@@ -144 +145 @@
 // Reset the outputs back to zero
 - (void)accessoryDidDisconnect {
-   [self logMessage:@"Accessory was disconnected."];
+   [self logMessage:@"Accessory was disconnected"];
    [self resetOutputToZero];
 }
@@ -221 +222 @@
 - (void) playAudio
 {
-   audioPlayer.volume = [self currentPowerLevel];
-   [audioPlayer play];
+   //   audioPlayer.volume = [self currentPowerLevel];
+   if ([self currentPowerLevel] > 0) {
+      audioPlayer.volume = 100;
+      [audioPlayer play];
+   } else {
+      [audioPlayer stop];
+   }
 }
 
@@ -245 +251 @@
       [audioPlayer stop];
    }
+   [self logMessage:@"Demo stopped"];
 }
 
@@ -288 +295 @@
    }
 }
+
+- (void) startProcessing
+{
+   processingDevice = YES;
+   [self logMessage:@"Connecting to EEG Headset"];
+   [connectButton setTitle:@"Disconnect" forState:UIControlStateNormal];
+   
+   EAAccessory *accessory = [[TGAccessoryManager sharedTGAccessoryManager] accessory];
+   if (accessory != nil) {
+      [self logMessage:[NSString stringWithFormat:@"EEG device %@ connected", accessory.name]];
+      [[TGAccessoryManager sharedTGAccessoryManager] startStream];
+   }
+   
+}
+
+- (void) stopProcessing
+{
+   processingDevice = NO;
+   [self logMessage:@"Disconnecting from EEG Headset"];
+   if ([[TGAccessoryManager sharedTGAccessoryManager] connected]) {
+      [[TGAccessoryManager sharedTGAccessoryManager] stopStream];
+   }
+   [connectButton setTitle:@"Connect" forState:UIControlStateNormal];
+   
+   [self resetOutputToZero];
+   [audioPlayer stop];
+   
+}
+
+- (IBAction) connectButtonPressed:(id) sender {
+   
+   if (processingDevice) {
+      [self stopProcessing];
+   } else {
+      [self startProcessing];
+   }
+   
+}
 @end