/// <summary>
/// Update the raw payload when properties have changed.
/// </summary>
private void UpdatePayload()
{
if (NamespaceId == null || NamespaceId.Length != 10 ||
InstanceId == null || InstanceId.Length != 6)
{
_payload = null;
return;
}
var header = BeaconFrameHelper.CreateEddystoneHeader(BeaconFrameHelper.EddystoneFrameType.UidFrameType);
using (var ms = new MemoryStream())
{
// Frame header
ms.Write(header, 0, header.Length);
// Ranging data
ms.WriteByte((byte)RangingData);
// Namespace ID
ms.Write(NamespaceId, 0, NamespaceId.Length);
// Instance ID
ms.Write(InstanceId, 0, InstanceId.Length);
// RFU (2 bytes, must be 0x00)
ms.WriteByte(0x00);
ms.WriteByte(0x00);
// Save to payload (to direct array to prevent re-parsing and a potential endless loop of updating and parsing)
_payload = ms.ToArray();
}
}
/// <summary>
/// Update the raw payload when properties have changed.
/// </summary>
private void UpdatePayload()
{
if (string.IsNullOrEmpty(CompleteUrl))
{
_payload = null;
return;
}
var urlSchemeByte = EncodeUrlScheme(CompleteUrl);
// Check if the URL starts with a valid header (only the defined ones are allowed)
if (urlSchemeByte == null)
{
_payload = null;
return;
}
var header = BeaconFrameHelper.CreateEddystoneHeader(BeaconFrameHelper.EddystoneFrameType.UrlFrameType);
using (var ms = new MemoryStream())
{
// Frame header
ms.Write(header, 0, header.Length);
// Ranging data
ms.WriteByte((byte)RangingData);
// URL scheme byte
ms.WriteByte((byte)urlSchemeByte);
// Encoded URL
EncodeUrlToStream(CompleteUrl, UrlSchemeDictionary[(byte)urlSchemeByte].Length, ms);
// Save to payload (to direct array to prevent re-parsing and a potential endless loop of updating and parsing)
_payload = ms.ToArray();
}
}
/// <summary>
/// Update the raw payload when properties have changed.
/// </summary>
private void UpdatePayload()
{
var header = BeaconFrameHelper.CreateEddystoneHeader(BeaconFrameHelper.EddystoneFrameType.TelemetryFrameType);
using (var ms = new MemoryStream())
{
// Frame header
ms.Write(header, 0, header.Length);
// Version
ms.WriteByte(Version);
// Battery
var batBytes = BitConverter.GetBytes(BatteryInMilliV);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(batBytes);
}
ms.Write(batBytes, 0, batBytes.Length);
// Temperature
// #define float2fix(a) ((int)((a)*256.0)) //Convert float to fix. a is a float
var temp = ((int)((TemperatureInC) * 256.0));
var tempBytes = BitConverter.GetBytes(temp);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(tempBytes);
}
ms.Write(tempBytes, 2, 2);
// ADV_CNT
var advCntBytes = BitConverter.GetBytes(AdvertisementFrameCount);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(advCntBytes);
}
ms.Write(advCntBytes, 0, 4);
// SEC_CNT
var secCntBytes = BitConverter.GetBytes(TimeSincePowerUp);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(secCntBytes);
}
ms.Write(secCntBytes, 0, 4);
// Save to payload (to direct array to prevent re-parsing and a potential endless loop of updating and parsing)
_payload = ms.ToArray();
}
}
