public async Task <GpioConfigHandler?> LoadAsync()
{
if (!Directory.Exists(Constants.ConfigDirectory))
{
Logger.Log("Such a folder doesn't exist, creating one...");
Directory.CreateDirectory(Constants.ConfigDirectory);
}
if (!File.Exists(Constants.GpioConfigDirectory) && !await GenerateDefaultConfig().ConfigureAwait(false))
{
return(null);
}
Logger.Log("Loading Gpio config...", LogLevels.Trace);
await ConfigSemaphore.WaitAsync().ConfigureAwait(false);
IsConfigBeingAccessed = true;
try {
using FileStream Stream = new FileStream(Constants.GpioConfigDirectory, FileMode.Open, FileAccess.Read);
using StreamReader ReadSettings = new StreamReader(Stream);
GpioConfigHandler configRoot = JsonConvert.DeserializeObject <GpioConfigHandler>(ReadSettings.ReadToEnd());
PinConfigs = configRoot.PinConfigs;
return(this);
}
catch (Exception e) {
Logger.Log(e);
Logger.Trace("Failed to load config.");
return(null);
}
finally {
ConfigSemaphore.Release();
IsConfigBeingAccessed = false;
}
}
public async Task <bool> GenerateDefaultConfig()
{
Logger.Log("Gpio config file doesn't exist. press c to continue generating default config or q to quit...");
await Task.Delay(500).ConfigureAwait(false);
if (!Directory.Exists(Constants.ConfigDirectory))
{
Logger.Log("Config directory doesn't exist, creating one...");
Directory.CreateDirectory(Constants.ConfigDirectory);
}
ConsoleKeyInfo?Key = Helpers.FetchUserInputSingleChar(TimeSpan.FromMinutes(1));
if (!Key.HasValue)
{
Logger.Log("No value has been entered, continuing to run the program...");
}
else
{
switch (Key.Value.KeyChar)
{
case 'c':
break;
case 'q':
Environment.Exit(-1);
return(false);
default:
Logger.Log("Unknown value entered! continuing to run the program...");
break;
}
}
Logger.Log("Generating default Gpio Config...");
if (File.Exists(Constants.GpioConfigDirectory))
{
return(true);
}
GpioConfigHandler Config = new GpioConfigHandler {
PinConfigs = new List <GpioPinConfig>()
};
for (int i = 0; i <= 41; i++)
{
GpioPinConfig PinConfig = new GpioPinConfig(i, PiController.GpioPinState.Off, PiController.GpioPinMode.Output, false, 0);
Config.PinConfigs.Add(PinConfig);
}
Save(Config.PinConfigs);
return(true);
}
