public static bool ReadHexAndDownload(string fileName, ref ushort pk2num)
{
try
{
FileInfo fileInfo = new FileInfo(fileName);
TextReader textReader = fileInfo.OpenText();
byte[] array = new byte[35];
string text = textReader.ReadLine();
if (text != null)
{
PICkitFunctions.EnterBootloader();
PICkitFunctions.ResetPk2Number();
Thread.Sleep(3000);
pk2num = 0;
int i;
for (i = 0; i < 10; i++)
{
if (PICkitFunctions.DetectPICkit2Device(pk2num, readFW: true) == Constants.PICkit2USB.bootloader)
{
if (PICkitFunctions.VerifyBootloaderMode())
{
break;
}
}
else
{
pk2num++;
}
Thread.Sleep(500);
}
if (i == 10)
{
textReader.Close();
return(false);
}
}
PICkitFunctions.BL_EraseFlash();
bool flag = false;
while (text != null)
{
if (text[0] == ':' && text.Length >= 11)
{
int num = int.Parse(text.Substring(1, 2), NumberStyles.HexNumber);
int num2 = int.Parse(text.Substring(3, 4), NumberStyles.HexNumber);
int num3 = int.Parse(text.Substring(7, 2), NumberStyles.HexNumber);
if (flag && (num2 & 0x10) == 0)
{
PICkitFunctions.BL_WriteFlash(array);
for (int j = 0; j < array.Length; j++)
{
array[j] = byte.MaxValue;
}
}
flag = ((num2 & 0x10) == 16);
if (num3 == 0 && num2 >= 8192 && num2 < 32736)
{
if (!flag)
{
int num4 = num2 & 0xFFE0;
array[0] = (byte)(num4 & 0xFF);
array[1] = (byte)((num4 >> 8) & 0xFF);
array[2] = 0;
}
if (text.Length >= 11 + 2 * num)
{
int num5 = num2 & 0xF;
int num6 = num5 + num;
int num7 = 3;
if (flag)
{
num7 = 19;
}
for (int k = 0; k < 16; k++)
{
if (k >= num5 && k < num6)
{
uint num8 = uint.Parse(text.Substring(9 + 2 * (k - num5), 2), NumberStyles.HexNumber);
array[num7 + k] = (byte)(num8 & 0xFF);
}
}
}
}
if (num3 == 1)
{
break;
}
}
text = textReader.ReadLine();
}
PICkitFunctions.BL_WriteFlash(array);
textReader.Close();
return(true);
}
catch
{
return(false);
}
}
