private void usbPort_OnDataRecieved(object sender, DataRecievedEventArgs args)
{
byte[] bdata = new byte[usbPort.SpecifiedDevice.InputReportLength];
int pos = 0;
W928_data data = new W928_data();
string strData = "";
//Traitement de données reçues
foreach (byte byteData in args.data)
{
bdata[pos++] = byteData;
strData += byteData.ToString("X2");
}
strData = strData.Substring(2, strData.Length - 2); //supprime le 00 de début de buffer
Console.WriteLine(strData);
buffer += strData;
int bytes = System.Convert.ToInt16(buffer[0]);
char[] test = new char[35];
char[] test2 = buffer.ToArray <char>();
if ((count + bytes) < 35)
{
char[] tbl2 = new char[test2.Length - 1];
for (int i = 1; i < test2.Length - 1; i++)
{
tbl2[i] = test2[i];
}
Array.Copy(tbl2, test, bytes);
strData = new string(test);
}
count += bytes;
}
private void button2_Click(object sender, EventArgs e)
{
W928_data datas = new W928_data();
datas = decoder(buffer, datas);
Console.WriteLine("Press : " + datas.PressChar + " : " + datas.Press.ToString());
for (int i = 0; i < datas.Hchar.Length; i++)
{
Console.WriteLine("Humidity " + i + " : " + datas.Hchar[i] + " : " + datas.H[i].ToString());
}
for (int i = 0; i < datas.Tchar.Length; i++)
{
Console.WriteLine("Temperature " + i + " : " + datas.Tchar[i] + " : " + datas.T[i].ToString());
}
Console.WriteLine("Wind chill : " + datas.WChillChar + " : " + datas.WChill.ToString());
}
W928_data decoder(string buf, W928_data data)
{
//decode temperature and humidity from all sensors
int i;
for (i = 0; i <= 5; i++)
{
int offset = i * 3;
data.Tchar[i] = 0;
if (debug > 0)
{
Console.WriteLine("[DEBUG] TMP {0} BUF[{1}]={2} BUF[%02d]=%02x BUF[%02d]=%02x\n", i, 0 + offset, buf[0 + offset], 1 + offset, buf[1 + offset], 2 + offset, buf[2 + offset]);
}
if (bcd2int((char)(buf[0 + offset] & 0x0F)) > 9)
{
if (debug > 0)
{
Console.WriteLine("[DEBUG] TMP buffer 0 & 0x0F > 9\n");
}
if (((buf[0 + offset] & 0x0F) == 0x0C) || ((buf[0 + offset] & 0x0F) == 0x0B))
{
if (debug > 0)
{
Console.WriteLine("[DEBUG] TMP buffer 0 & 0x0F = 0x0C or 0x0B\n");
}
data.Tchar[i] = -2;
}
else
{
data.Tchar[i] = -1;
if (debug > 0)
{
Console.WriteLine("[DEBUG] TMP other error in buffer 0\n");
}
}
}
if (((buf[1 + offset] & 0x40) != 0x40) && i > 0)
{
if (debug > 0)
{
Console.WriteLine("[DEBUG] TMP buffer 1 bit 6 set\n");
}
data.Tchar[i] = -2;
}
if (data.Tchar[i] == 0)
{
data.T[i] = (bcd2int(buf[0 + offset]) / 10.0) + (bcd2int((char)(buf[1 + offset] & 0x0F)) * 10.0);
if (debug > 0)
{
Console.WriteLine("[DEBUG] TMP %d before is %0.2f\n", i, data.T[i]);
}
if ((buf[1 + offset] & 0x20) == 0x20)
{
data.T[i] += 0.05;
}
if ((buf[1 + offset] & 0x80) != 0x80)
{
data.T[i] *= -1;
}
if (debug > 0)
{
Console.WriteLine("[DEBUG] TMP %d after is %0.2f\n", i, data.T[i]);
}
}
else
{
data.T[i] = 0;
}
if (data.Tchar[i] <= 2)
{
data.Hchar[i] = -2;
data.H[i] = 0;
}
else if (bcd2int((char)(buf[2 + offset] & 0x0F)) > 9)
{
data.Hchar[i] = -3;
data.H[i] = 0;
}
else
{
data.H[i] = (short)bcd2int(buf[2 + offset]);
data.Hchar[i] = 0;
}
}
//decode value from UV sensor
if (debug > 0)
{
Console.WriteLine("[DEBUG] UVX BUF[18]=%02x BUF[19]=%02x\n", buf[18], buf[19]);
}
if ((buf[18] == 0xAA) && (buf[19] == 0x0A))
{
data.UvChar = -3;
data.Uv = 0;
}
else if ((bcd2int(buf[18]) > 99) || (bcd2int(buf[19]) > 99))
{
data.UvChar = -1;
data.Uv = 0;
}
else
{
data.Uv = bcd2int((char)(buf[18] & 0x0F)) / 10.0 + bcd2int((char)(buf[18] & 0xF0)) + bcd2int((char)(buf[19] & 0x0F)) * 10.0;
data.UvChar = 0;
}
//decode Pressure
if (debug > 0)
{
Console.WriteLine("[DEBUG] PRS BUF[20]=%02x BUF[21]=%02x\n", buf[20], buf[21]);
}
if ((buf[21] & 0xF0) == 0xF0)
{
data.Press = 0;
data.PressChar = -1;
}
else
{
data.Press = (int)(buf[21] * 0x100 + buf[20]) * 0.0625;
data.PressChar = 0;
}
//decode weather status and Storm warning
if (debug > 0)
{
Console.WriteLine("[DEBUG] STT BUF[22]=%02x\n", buf[22]);
}
if ((buf[22] & 0x0F) == 0x0F)
{
data.StormChar = -1;
data.ForecastChar = -1;
data.Storm = '0';
data.Forecast = '0';
}
else
{
data.StormChar = 0;
data.ForecastChar = 0;
if ((buf[22] & 0x08) == 0x08)
{
data.Storm = '1';
}
else
{
data.Storm = '0';
}
data.Forecast = (char)(int)(buf[22] & 0x07);
}
//decode windchill
if (debug > 0)
{
Console.WriteLine("[DEBUG] WCL BUF[23]=%02x BUF[24]=%02x\n", buf[23], buf[24]);
}
if ((bcd2int((char)(buf[23] & 0xF0)) > 90) || (bcd2int((char)(buf[23] & 0x0F)) > 9))
{
if ((buf[23] == 0xAA) && (buf[24] == 0x8A))
{
data.WChillChar = -1;
}
else if ((buf[23] == 0xBB) && (buf[24] == 0x8B))
{
data.WChillChar = -2;
}
else if ((buf[23] == 0xEE) && (buf[24] == 0x8E))
{
data.WChillChar = -3;
}
else
{
data.WChillChar = -4;
}
}
else
{
data.WChillChar = 0;
}
if (((buf[24] & 0x40) != 0x40))
{
data.WChillChar = -2;
}
if (data.WChillChar == 0)
{
data.WChill = (bcd2int(buf[23]) / 10.0) + (bcd2int((char)(buf[24] & 0x0F)) * 10.0);
if ((buf[24] & 0x20) == 0x20)
{
data.WChill += 0.05;
}
if ((buf[24] & 0x80) != 0x80)
{
data.WChill *= -1;
}
data.WChillChar = 0;
}
else
{
data.WChill = 0;
}
//decode windgust
if (debug > 0)
{
Console.WriteLine("[DEBUG] WGS BUF[25]=%02x BUF[26]=%02x\n", buf[25], buf[26]);
}
if ((bcd2int((char)(buf[25] & 0xF0)) > 90) || (bcd2int((char)(buf[25] & 0x0F)) > 9))
{
data.WGustChar = -1;
if ((buf[25] == 0xBB) && (buf[26] == 0x8B))
{
data.WGustChar = -2;
}
else if ((buf[25] == 0xEE) && (buf[26] == 0x8E))
{
data.WGustChar = -3;
}
else
{
data.WGustChar = -4;
}
}
else
{
data.WGustChar = 0;
}
if (data.WGustChar == 0)
{
int offset = 0;
if ((buf[26] & 0x10) == 0x10)
{
offset = 100;
}
data.WGust = ((bcd2int(buf[25]) / 10.0) + (bcd2int((char)(buf[26] & 0x0F)) * 10.0) + offset) / 2.23694;
}
else
{
data.WGust = 0;
}
//decode windspeed
if (debug > 0)
{
Console.WriteLine("[DEBUG] WSP BUF[27]=%02x BUF[28]=%02x\n", buf[27], buf[28]);
}
if ((bcd2int((char)(buf[27] & 0xF0)) > 90) || (bcd2int((char)(buf[27] & 0x0F)) > 9))
{
data.WSpeedChar = -1;
if ((buf[27] == 0xBB) && (buf[28] == 0x8B))
{
data.WSpeedChar = -2;
}
else if ((buf[27] == 0xEE) && (buf[28] == 0x8E))
{
data.WSpeedChar = -3;
}
else
{
data.WSpeedChar = -4;
}
}
else
{
data.WSpeedChar = 0;
}
if (data.WSpeedChar == 0)
{
int offset = 0;
if ((buf[28] & 0x10) == 0x10)
{
offset = 100;
}
data.WSpeed = ((bcd2int(buf[27]) / 10.0) + (bcd2int((char)(buf[28] & 0x0F)) * 10.0) + offset) / 2.23694;
}
else
{
data.WSpeed = 0;
}
//decode wind direction
if (debug > 0)
{
Console.WriteLine("[DEBUG] WDR BUF[29]=%02x\n", buf[29] & 0x0F);
}
if ((data.WGustChar <= -3) || (data.WSpeedChar <= -3))
{
data.WDirChar = -3;
data.WDir = '0';
}
else
{
data.WDir = (char)(int)(buf[29] & 0x0F);
data.WDirChar = 0;
}
//decode rain counter
//don't know to find out it sensor link missing, but is no problem, because the counter is inside
//the sation, not in the sensor.
if (debug > 0)
{
Console.WriteLine("[DEBUG] RNC BUF[29]=%02x BUF[30]=%02x BUF[31]=%02x\n", buf[29] & 0xF0, buf[30], buf[31]);
}
data.RainCountChar = 0;
data.RainCount1 = (char)(int)(buf[31] * 0x100 + buf[30]);
return(data);
}
