/// <summary>
/// Constructs <see cref="AntChannel"/>.
/// </summary>
/// <param name="channel">Underlying <see cref="ANT_Channel"/> object from official ANT managed API.</param>
internal AntChannel(ANT_Channel channel)
{
this.channel = channel;
// todo: for now assigned to network 0 and channel type BASE_Slave_Receive_0x00 automatically, other hardcoded defaults
channel.assignChannel(ANT_ReferenceLibrary.ChannelType.BASE_Slave_Receive_0x00, 0);
channel.setChannelSearchTimeout(255);
}
private bool OpenGarmin2()
{
//Initialise the ANT library and connect to ANT module
if (device != null)
{
ANT_Device.shutdownDeviceInstance(ref device);
device = null;
}
device = new ANT_Device();
if (device == null)
{
MessageBox.Show("Error initialising ANT module. Ensure the Garmin ANT agent is not running.");
return false;
}
device.ResetSystem();
channel = device.getChannel(0);
//Reset wireless transceiver
device.ResetSystem();
Thread.Sleep(50);
//Pass the callback functions to the ANT_DLL library
device.deviceResponse += new ANT_Device.DeviceResponseHandler(DeviceResponse);
channel.channelResponse += new ANT_Channel.ChannelResponseHandler(ChannelResponse);
//Set network key for Garmin HRM
//The garmin HRM key is "B9A521FBBD72C345"
byte[] GarminKey = { 0xb9, 0xa5, 0x21, 0xfb, 0xbd, 0x72, 0xc3, 0x45 };
device.setNetworkKey(0, GarminKey);
Thread.Sleep(50);
//Assign the channel
//Receive on channel 0, network #0
channel.assignChannel(ANT_ReferenceLibrary.ChannelType.BASE_Slave_Receive_0x00, 0);
//Congifure Channel ID - set up which devices to transmit-receive data from
//Set to receive from any device it finds
ushort device_id = ushort.Parse(txtDeviceID.Text);
channel.setChannelID((ushort)device_id, false, 0, 0);
Thread.Sleep(50);
//Set the receiver search timeout limit
channel.setChannelSearchTimeout(0xff);
Thread.Sleep(50);
//Set the messaging period (corresponding to the max number of messages per second)
//Messaging period for Garmin HRM is 0x1f86
channel.setChannelPeriod(0x1f86);
Thread.Sleep(50);
//Set the radio frequency corresponding to the Garmin watch (frequency 0x39)
channel.setChannelFreq(0x39);
Thread.Sleep(50);
//Open the channel to receive data !
channel.openChannel();
return true;
}