static void Main(string[] args)
{
/// PWM frequency setup in Hz
int v = 21000;
/// IMPORTANT
///
byte[] baseData;
DataHandler dh;
dh = new igfxDHLib.DataHandler();
uint error = 0;
baseData = new byte[8];
dh.GetDataFromDriver(ESCAPEDATATYPE_ENUM.GET_SET_PWM_FREQUENCY, 4, ref error, ref baseData[0]);
if (error != 0)
{
MessageBox.Show(string.Format("failed to get PWM: {0:X}", error));
}
byte[] b = BitConverter.GetBytes(v);
Array.Copy(b, 0, baseData, 4, 4);
dh.SendDataToDriver(ESCAPEDATATYPE_ENUM.GET_SET_PWM_FREQUENCY, 4, ref error, ref baseData[0]);
if (error != 0)
{
MessageBox.Show(string.Format("failed set get PWM: {0:X}", error));
}
}
[STAThread] // Without dh.GetDataFromDriver read wrong data
static void Main(string[] args)
{
uint error = 0;
DataHandler dh;
byte[] baseData;
baseData = new byte[8];
uint WritePWMFreq = 600; // Default
uint ReadPWMFreq = 0;
uint OldReadPWMFreq = 0xFFFF;
int WatchDelay = 0;
if (args.Length >= 1)
{
WritePWMFreq = uint.Parse(args[0]);
if (WritePWMFreq > 20000)
{
WritePWMFreq = 20000;
}
else if (WritePWMFreq < 50)
{
WritePWMFreq = 50;
}
}
if (args.Length >= 2)
{
WatchDelay = int.Parse(args[1]) * 1000;
}
do
{
dh = new igfxDHLib.DataHandler();
dh.GetDataFromDriver(ESCAPEDATATYPE_ENUM.GET_SET_PWM_FREQUENCY, 4, ref error, ref baseData[0]);
if (error != 0)
{
WatchDelay = 0;
Console.WriteLine(string.Format("Failed to get PWM, Error: {0:X}", error));
}
else
{
ReadPWMFreq = BitConverter.ToUInt32(baseData, 4);
if (ReadPWMFreq != OldReadPWMFreq)
{
Console.WriteLine($"Current PWM: {string.Format("{0}", ReadPWMFreq)} Hz");
OldReadPWMFreq = ReadPWMFreq;
}
}
if (ReadPWMFreq != WritePWMFreq)
{
error = 0;
byte[] b = BitConverter.GetBytes(WritePWMFreq);
Array.Copy(b, 0, baseData, 4, 4);
dh.SendDataToDriver(ESCAPEDATATYPE_ENUM.GET_SET_PWM_FREQUENCY, 4, ref error, ref baseData[0]);
if (error != 0)
{
WatchDelay = 0;
Console.WriteLine(string.Format("Failed to set PWM, Error: {0:X}", error));
}
else
{
Console.WriteLine($"Set to: {string.Format("{0}", BitConverter.ToInt32(baseData, 4))} Hz");
}
}
if (WatchDelay != 0)
{
Thread.Sleep(WatchDelay);
}
} while (WatchDelay != 0);
}
