public void Tools_Normalize()
{
var rnd = new Random(Environment.TickCount);
List <double> items = new List <double>()
{
-Math.PI * 2,
-Math.PI,
0,
Math.PI,
Math.PI * 2,
};
items
.AddRange(
Enumerable
.Range(-500000, 1000000)
.Select(idx => Math.PI * 2 * rnd.NextDouble() * idx));
foreach (var data in items)
{
var normalized = FPGATrigonometryTools.Normalize((float)data);
Assert.IsTrue(normalized >= 0 && normalized < FPGATrigonometryConstants.TwoPI, $"failed for {data}, got {normalized}");
}
}
public void Tools_Q1Project()
{
var rnd = new Random(Environment.TickCount);
foreach (var idx in Enumerable.Range(0, 10000))
{
float rad = (float)(Math.PI * 2 * rnd.NextDouble());
var q1 = FPGATrigonometryTools.Q1Project(rad);
Assert.IsTrue(q1 >= 0 && q1 <= FPGATrigonometryConstants.HalfPI);
}
}
public void TaylorCos()
{
using (var port = new QuokkaPort())
{
var rnd = new Random(Environment.TickCount);
foreach (var idx in Enumerable.Range(0, 10000))
{
var value = (float)(rnd.NextDouble() * FPGATrigonometryConstants.HalfPI);
port.WriteFloat(value);
var expected = FPGATrigonometryTools.TaylorCos(value);
var actualBytes = port.Read(4, true, port.DefaultTimeout);
var actual = TestConverters.FloatFromByteArray(actualBytes);
Assert.AreEqual(expected, actual, $"Failed for {value}");
}
}
}
public static async Task Aggregator(
FPGA.InputSignal <bool> RXD,
FPGA.OutputSignal <bool> TXD
)
{
Sequential handler = () =>
{
FPU.FPUScopeNoSync();
while (true)
{
float data = 0;
UART.ReadFloat(115200, RXD, out data);
data = FPGATrigonometryTools.TaylorSin(data);
UART.WriteFloat(115200, data, TXD);
}
};
FPGA.Config.OnStartup(handler);
}
