/// <summary>
/// Creates an instance.
/// </summary>
public FramTestUIModel(TaskFactory uiThread)
: base(uiThread)
{
// Initialize members
Contents = "";
FillByte = 0xFF;
// Initialize device
// TODO: Auto-detect Navio model
Device = new NavioFramDevice(NavioHardwareModel.NavioPlus);
}
/// <summary>
/// Executes the task.
/// </summary>
public void Run(IBackgroundTaskInstance taskInstance)
{
// TODO: Auto-detect Navio model
using (var fram = new NavioFramDevice(NavioHardwareModel.NavioPlus))
{
// Log start
Debug.WriteLine("Navio FRAM memory tests start.");
// Write single bytes
Debug.WriteLine("Writing single bytes (all 1s)...");
for (ushort address = 0; address < fram.Size; address++)
fram.WriteByte(address, 0xff);
// Read numbers
Debug.WriteLine("Read single bytes (all 1s)...");
for (ushort address = 0; address < fram.Size; address++)
{
var test = (address == 0) ?
fram.ReadByte(address) : // First call sets address to read from,
fram.ReadByte(); // then following calls continue forwards
if (test != 0xff)
{
// Data error!
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
"Invalid data, read {0:X2} but expected FF!", test));
}
}
// Write numbers
Debug.WriteLine("Writing sequential numbers...");
for (ushort address = 0; address < fram.Size; address += 2)
{
var data = BitConverter.GetBytes(address);
fram.WritePage(address, data);
}
// Read numbers
Debug.WriteLine("Read of sequential numbers...");
for (ushort address = 0; address < fram.Size; address += 2)
{
var data = BitConverter.GetBytes(address);
var test = fram.ReadPage(address, 2);
if (test.Length != data.Length || test[0] != data[0] || test[1] != data[1])
{
// Data error!
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
"Invalid data, read {0:X2}{1:X2} but expected {2:X2}{3:X2}!", test[0], test[1], data[0], data[1]));
}
}
// Block erase
Debug.WriteLine("Block erase (write pages of 0s)...");
var zeroBlock = new byte[fram.Size];
fram.WritePage(0, zeroBlock);
// Check erased
Debug.WriteLine("Checking memory has been erased...");
var testBlock = fram.ReadPage(0, zeroBlock.Length);
for (var address = 0; address < zeroBlock.Length; address++)
{
var test = testBlock[address];
if (test != 0)
{
// Data error!
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
"Invalid data, read {0:X2} but expected 00!", address + address));
}
}
// Log end
Debug.WriteLine("Tests complete.");
}
}