using UnityEngine; using System.Collections; using System.Collections.Generic; using ANT_Managed_Library; using System; /* Frequencies such as 4.06 Hz (ANT+ Heart Rate) and 4.005 Hz (ANT+ Bike Power) will periodically “drift” into each other, or into other channel periods that may be present in the vicinity. During this overlap, channel collisions may occur as the radio can only service channel at a time. */ public class HeartRateDisplay : MonoBehaviour { public bool autoStartScan = true; //start scan on play public bool connected = false; //will be set to true once connected //windows and mac settings public bool autoConnectToFirstSensorFound = true; //for windows and mac, either connect to the first sensor found or let you pick a sensor manually in the scanResult list with your own UI and call ConnectToDevice(AntDevice device) public List scanResult; //android settings public bool useAndroidUI = true; //will open the unified ant+ UI on the android app if set to true, otherwise will connect to the first found device public bool skipPreferredSearch = true; //- True = Don't automatically connect to user's preferred device, but always go to search for other devices. //the sensor values we receive fron the onReceiveData event public float heartRate; // the computed HR count in BPM private AntChannel backgroundScanChannel; private AntChannel deviceChannel; public int deviceID = 0; //set this to connect to a specific device ID void Start() { if (autoStartScan) StartScan(); } //Start a background Scan to find the device public void StartScan() { Debug.Log("Looking for ANT + HeartRate sensor"); #if UNITY_ANDROID && !UNITY_EDITOR //java: connect_heartrate(String gameobjectName, boolean useAndroidUI, boolean skipPreferredSearch, int deviceID) AndroidJNI.AttachCurrentThread(); using (AndroidJavaClass javaClass = new AndroidJavaClass("com.ant.plugin.Ant_Connector")) { using (AndroidJavaObject activity = javaClass.GetStatic("mContext")) { activity.Call("connect_heartrate", this.gameObject.name,useAndroidUI,skipPreferredSearch,deviceID); } } #else AntManager.Instance.Init(); scanResult = new List(); backgroundScanChannel = AntManager.Instance.OpenBackgroundScanChannel(0); backgroundScanChannel.onReceiveData += ReceivedBackgroundScanData; #endif } //Android functions void ANTPLUG_ConnectEvent(string resultCode) { switch (resultCode) { case "SUCCESS": connected = true; Debug.Log("HR MONITOR IS CONMNNECTED"); break; case "CHANNEL_NOT_AVAILABLE": //Channel Not Available break; case "ADAPTER_NOT_DETECTED": //ANT Adapter Not Available. Built-in ANT hardware or external adapter required. Debug.Log("ANT Adapter Not Available. Built-in ANT hardware or external adapter required."); break; case "BAD_PARAMS": //Bad request parameters. break; case "OTHER_FAILUR": //RequestAccess failed. See logcat for details. break; case "DEPENDENCY_NOT_INSTALLED": //You need to install the ANT+ Plugins service or you may need to update your existing version if you already have it. case "USER_CANCELLED": //USER_CANCELLED break; case "UNRECOGNIZED": //UNRECOGNIZED. PluginLib Upgrade Required?", break; default: //UNRECOGNIZED break; } } void ANTPLUG_StateChange(string newDeviceState) { switch (newDeviceState) { case "DEAD": connected = false; Debug.Log("HR MONITOR IS DEAD"); break; case "CLOSED": break; case "SEARCHING": //searching break; case "TRACKING": //tracking break; case "PROCESSING_REQUEST": break; default: //UNRECOGNIZED break; } } void ANTPLUG_Receive_computedHeartRate(string s) { heartRate = (int)float.Parse(s); } //Windows and mac //If the device is found void ReceivedBackgroundScanData(Byte[] data) { byte deviceType = (data[12]); // extended info Device Type byte switch (deviceType) { case AntplusDeviceType.HeartRate: { int deviceNumber = (data[10]) | data[11] << 8; byte transType = data[13]; foreach (AntDevice d in scanResult) { if (d.deviceNumber == deviceNumber && d.transType == transType) //device already found return; } Debug.Log("Heart rate sensor found " + deviceNumber); AntDevice foundDevice = new AntDevice(); foundDevice.deviceType = deviceType; foundDevice.deviceNumber = deviceNumber; foundDevice.transType = transType; foundDevice.period = 8070; foundDevice.radiofreq = 57; foundDevice.name = "heartrate(" + foundDevice.deviceNumber + ")"; scanResult.Add(foundDevice); if (autoConnectToFirstSensorFound) { ConnectToDevice(foundDevice); } break; } default: { break; } } } void ConnectToDevice(AntDevice device) { AntManager.Instance.CloseBackgroundScanChannel(); byte channelID = AntManager.Instance.GetFreeChannelID(); deviceChannel = AntManager.Instance.OpenChannel(ANT_ReferenceLibrary.ChannelType.BASE_Slave_Receive_0x00, channelID, (ushort)device.deviceNumber, device.deviceType, device.transType, (byte)device.radiofreq, (ushort)device.period, false); connected = true; deviceChannel.onReceiveData += Data; deviceChannel.onChannelResponse += ChannelResponse; deviceChannel.hideRXFAIL = true; } //Deal with the received Data public void Data(Byte[] data) { //HR heartRate = (data[7]); } void ChannelResponse(ANT_Response response) { } }