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Added BLE Radio on/off scanning. #53

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Added BLE Radio on/off scanning. #53

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55 changes: 52 additions & 3 deletions BLEServer/BLEServer/BLEServer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -25,8 +25,11 @@
#include <io.h>

using namespace Platform;
using namespace Windows::Foundation::Collections;
using namespace Windows::Devices;
using namespace Windows::Devices::Radios;
using namespace Windows::Data::Json;
using namespace concurrency;

Bluetooth::Advertisement::BluetoothLEAdvertisementWatcher^ bleAdvertisementWatcher;
auto devices = ref new Collections::Map<String^, Bluetooth::BluetoothLEDevice^>();
Expand Down Expand Up @@ -463,10 +466,56 @@ int main(Array<String^>^ args) {
// TODO manfuacturer data / flags / data sections ?
writeObject(msg);
});

// Added the ability to track the BLE Radio State
auto getRadiosOperation = Radio::GetRadiosAsync();
create_task(getRadiosOperation).then(
[](task<IVectorView<Radio^>^> asyncInfo)
{
auto radios = asyncInfo.get();
for (Windows::Devices::Radios::Radio^ radio : radios)
{
if (radio->Kind == RadioKind::Bluetooth)
{
if (radio->State == Windows::Devices::Radios::RadioState::On)
{
// Ble Radio On
JsonObject^ msg = ref new JsonObject();
msg->Insert("_type", JsonValue::CreateStringValue("Start"));
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Please change to "start" and "stop" (camelCase) to keep consistent with the other values for _type

writeObject(msg);
}
else
{
// Ble Radio Off
JsonObject^ msg = ref new JsonObject();
msg->Insert("_type", JsonValue::CreateStringValue("Stop"));
writeObject(msg);
}

radio->StateChanged += ref new Windows::Foundation::TypedEventHandler<Windows::Devices::Radios::Radio^, Platform::Object^>(
[](Windows::Devices::Radios::Radio^ sender, Platform::Object^ args)
{
if (sender->State == Windows::Devices::Radios::RadioState::On)
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This exact same code repeats a few lines above. I'd refactor it into a function that gets the radio state, creates the message and calls writeObject. In addition, you can write it more concisely as:

JsonObject^ msg = ref new JsonObject();
if (sender->State == Windows::Devices::Radios::RadioState::On) {
    msg->Insert("_type", JsonValue::CreateStringValue("start"));
} else {
    msg->Insert("_type", JsonValue::CreateStringValue("stop"));
}
writeObject(msg);

{
// Ble Radio Switched On
JsonObject^ msg = ref new JsonObject();
msg->Insert("_type", JsonValue::CreateStringValue("Start"));
writeObject(msg);
}
else
{
// Ble Radio Switched Off
JsonObject^ msg = ref new JsonObject();
msg->Insert("_type", JsonValue::CreateStringValue("Stop"));
writeObject(msg);
}
}
);
}
}
}
);

JsonObject^ msg = ref new JsonObject();
msg->Insert("_type", JsonValue::CreateStringValue("Start"));
writeObject(msg);

// Set STDIN / STDOUT to binary mode
if ((_setmode(0, _O_BINARY) == -1) || (_setmode(1, _O_BINARY) == -1)) {
Expand Down