// Read in data from the Assets\CharacteristicsData.json file. Note the mis-spelling Assets\Chacteristics!!
private async Task InitBleAsync()
{
string path = "";
try
{
string dname = @"Assets\ChacteristicsData\";
// Read in the Default device.
DefaultDevice = await InitBleDefault(dname);
// Read in the full set of devices
StorageFolder InstallationFolder = Windows.ApplicationModel.Package.Current.InstalledLocation;
var dir = await InstallationFolder.GetFolderAsync(dname);
var files = await dir.GetFilesAsync();
foreach (var file in files)
{
path = file.Path;
InitSingleBleFile(AllDevices, file, DefaultDevice);
InitSingleBleFile(AllRawDevices, file, null); // read in a device without adding in default services
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine($"ERROR: BLE NAMES: {e.Message} with path {path}");
}
}
public static NameCharacteristic Get(NameDevice device, GattDeviceService service, GattCharacteristic characteristic)
{
if (device == null)
{
return(null);
}
foreach (var s in device.Services)
{
if (string.Compare(s.UUID, service.Uuid.ToString("D"), StringComparison.InvariantCultureIgnoreCase) == 0)
{
foreach (var c in s.Characteristics)
{
if (string.Compare(c.UUID, characteristic.Uuid.ToString("D"), StringComparison.InvariantCultureIgnoreCase) == 0)
{
return(c);
}
}
}
}
return(null);
}
private void InitSingleBleFile(NameAllBleDevices allDevices, StorageFile file, NameDevice defaultDevice)
{
if (File.Exists(file.Path))
{
var contents = File.ReadAllText(file.Path);
var newlist = Newtonsoft.Json.JsonConvert.DeserializeObject <NameAllBleDevices>(contents);
foreach (var item in newlist.AllDevices)
{
// Check to make sure that at least one of IsRead IsNotify IsIndicate IsWrite IsWriteWithoutResponse is used
// OK for the defaults to not have things specified.
if (item.Name != "##DEFAULT##")
{
foreach (var service in item.Services)
{
foreach (var characteristic in service.Characteristics)
{
if (!characteristic.IsIndicate && !characteristic.IsNotify &&
!characteristic.IsRead &&
!characteristic.IsWrite && !characteristic.IsWriteWithoutResponse)
{
System.Diagnostics.Debug.WriteLine($"JSON ERROR: {file.Name} service {service.Name} characteristic {characteristic.Name} has no 'verb' like IsRead:true etc. ");
}
}
}
}
// Add in all of the values from the default
if (defaultDevice != null)
{
foreach (var nameService in DefaultDevice.Services)
{
item.Services.Add(nameService);
}
}
// And now either replace or update.
var index = allDevices.GetBleIndex(item.Name);
if (index < 0)
{
allDevices.AllDevices.Add(item);
}
else
{
allDevices.AllDevices[index] = item; // replace or add.
}
}
}
}
