/// <summary>
/// Opens a J2534 device using this API
/// </summary>
/// <param name="DeviceName">The name of the device or blank to open the first available</param>
/// <returns>Device object</returns>
public Device GetDevice(string DeviceName = "")
{
using (var hDeviceID = new HeapInt())
using (var hDeviceName = new HeapString(DeviceName))
{
lock (sync)
{
CheckResult(PTOpen(String.IsNullOrWhiteSpace(DeviceName) ? IntPtr.Zero : (IntPtr)hDeviceName, (IntPtr)hDeviceID));
}
var device = new Device(this, hDeviceName.ToString(), hDeviceID.Value, sync);
OnDisposing += device.Dispose;
return(device);
}
}
internal Device(API API, string DeviceName, int DeviceID, object Sync)
{
this.API = API;
this.DeviceName = DeviceName;
deviceId = DeviceID;
sync = Sync;
using (var hFirmwareVersion = new HeapString(80))
using (var hDllVersion = new HeapString(80))
using (var hApiVersion = new HeapString(80))
{
lock (Sync)
{
API.CheckResult(API.PTReadVersion(DeviceID, (IntPtr)hFirmwareVersion, (IntPtr)hDllVersion, (IntPtr)hApiVersion));
}
FirmwareVersion = hFirmwareVersion.ToString();
DriverVersion = hDllVersion.ToString();
APIVersion = hApiVersion.ToString();
}
}
internal string GetLastError() //Should never be called outside of API_LOCK
{
ResultCode Result;
using (var hErrorDescription = new HeapString(80))
{
lock (sync)
{
Result = PTGetLastError((IntPtr)hErrorDescription);
if (Result == ResultCode.STATUS_NOERROR)
{
return(hErrorDescription.ToString());
}
else
{
return($"GetLastError failed with result: {Result.ToString()}");
}
}
}
}
