aoi 0.0.1-dev.2 aoi: ^0.0.1-dev.2 copied to clipboard
TODO
import 'dart:ffi';
import 'dart:io';
import 'dart:convert';
import 'dart:typed_data';
import 'package:aoi/aoi.dart';
// If you are running this example locally, you will need to run
// `cargo build -r` in to root dir to generate the needed dylib.
Future<void> main() async {
final api = EmbeddedAoiImpl(createDynamicLibrary());
final adapters = await AoiAdapter.getAdapters(bridge: api);
final adapter = adapters.first;
final peripheral =
await adapter.startScan().first.timeout(const Duration(seconds: 10));
print('Found peripheral: ${peripheral.prettyPrint()}');
print('Stopping scan...');
await adapter.stopScan();
print('Scan stopped');
AoiConnectedPeripheral connectedPeripheral;
try {
print('Connecting...');
connectedPeripheral = await peripheral.connect();
print('Connected');
} catch (e) {
print('Could not connect: $e');
return;
}
print(
'connectedPeripheral characteristics: ${connectedPeripheral.characteristics}');
for (final c in connectedPeripheral.characteristics) {
print('Characteristic: ${c.prettyPrint()}');
if (c.hasProperty(AoiCharacteristicProperty.read)) {
print('Trying to read it...');
try {
final data = await connectedPeripheral
.read(characteristic: c)
.timeout(const Duration(seconds: 10));
print('Data: $data');
try {
print('Data as string: ${const Utf8Decoder().convert(data)}');
} catch (e) {
print('Not a valid string');
}
} catch (e) {
print('Error while reading characteristic: $e');
}
}
if (c.hasProperty(AoiCharacteristicProperty.write)) {
print('Trying to write it...');
try {
await connectedPeripheral
.write(characteristic: c, data: Uint8List.fromList([0x42, 0x42]))
.timeout(const Duration(seconds: 10));
} catch (e) {
print('Error while writing characteristic: $e');
}
}
print('Trying to read it...');
try {
final data = await connectedPeripheral
.read(characteristic: c)
.timeout(const Duration(seconds: 10));
print('Data: $data');
try {
print('Data as string: ${const Utf8Decoder().convert(data)}');
} catch (e) {
print('Not a valid string');
}
} catch (e) {
print('Error while reading characteristic: $e');
}
}
print('Disconnect');
await connectedPeripheral.disconnect();
print('Done');
}
DynamicLibrary createDynamicLibrary() {
const libName = 'embedded_aoi';
final libPrefix = {
Platform.isWindows: '',
Platform.isMacOS: 'lib',
Platform.isLinux: 'lib',
}[true]!;
final libSuffix = {
Platform.isWindows: 'dll',
Platform.isMacOS: 'dylib',
Platform.isLinux: 'so',
}[true]!;
final dylibPath = '../../../target/release/$libPrefix$libName.$libSuffix';
return DynamicLibrary.open(dylibPath);
}
Directory getTmpDir() => Directory.systemTemp.createTempSync();