public void TestBootload()
{
using (_device = FTDevice.Open())
{
// reset device
_device.SetBitMode(FTBitMode.CBUSBitBang, 0xF0);
Thread.Sleep(10);
_device.SetBitMode(FTBitMode.CBUSBitBang, 0xFF);
Thread.Sleep(100);
// empty any possible leftover data in the rx/tx queue
// this is necessary because the serialtest program is blasting the usart with data
// and some of it lives on after the reset in the ft queues
_device.Purge();
_device.SetFlowControl(FTFlowControl.None);
_device.SetDataCharacteristics(8, 1, FTParity.None);
_device.SetBaudRate(19200);
SendHELO();
ReceiveEHLO();
EnterProgrammingMode();
ParseHEX("serialtest.hex");
WriteImage();
VerifyImage();
LeaveProgrammingMode();
_device.SetBaudRate(38400);
_device.WaitFor(FTEvent.RxChar);
var msg = new byte[10];
_device.ReadFully(msg, 0, 10);
var text = Encoding.ASCII.GetString(msg);
Assert.AreEqual("serialtest", text);
}
}
public void TestBitMode()
{
using (var dev = FTDevice.Open())
{
dev.SetBitMode(FTBitMode.CBUSBitBang, 0xF0);
var val = dev.GetBitMode();
Assert.AreEqual(0xF0, val);
}
}
public void TestOpen()
{
using (var dev = FTDevice.Open())
{
Assert.IsNotNull(dev);
Assert.IsNotNull(dev.Info);
Assert.AreEqual(dev.Index, dev.Info.Index);
Assert.IsTrue(dev.Info.IsOpen);
}
}
public void TestDataCharacteristics()
{
using (var dev = FTDevice.Open(0))
{
// throws on invalid data bits value
Assert.Throws <ArgumentException>(() => dev.SetDataCharacteristics(1, 1, FTParity.None));
// throws on invalid stop bits value
Assert.Throws <ArgumentException>(() => dev.SetDataCharacteristics(8, 5, FTParity.None));
Assert.DoesNotThrow(() => dev.SetDataCharacteristics(8, 1, FTParity.None));
}
}
public void TestResetWriteRead()
{
using (FTDevice dev = FTDevice.Open(0))
{
// reset
dev.SetBitMode(FTBitMode.CBUSBitBang, 0xF0);
Thread.Sleep(10);
dev.SetBitMode(FTBitMode.CBUSBitBang, 0xFF);
// allow some time for startup
Thread.Sleep(100);
// send hello to bootloader
dev.SetBaudRate(19200);
var data = new[] { (byte)'1', (byte)' ' };
dev.WriteFully(data, 0, 2);
// read ehlo
var buf = new byte[9];
int r = dev.ReadFully(buf, 0, 9);
Assert.AreEqual(9, r);
var text = Encoding.ASCII.GetString(buf);
Assert.IsTrue(text.Contains("AVR ISP"));
}
}