Read radio mic strength CSV

readcsv.cs

/* 
This file takes a CSV output from rtlsdr_scanner (http://eartoearoak.com/software/rtlsdr-scanner)
and parses it to see whether three distinct radio mic channels have a carrier on them.
Call the CLI version of rtlsdr_scanner using something like:
rtlsdr_scan.py -s 863 -e 865 -f 256 -g 20 "Z:\RadioMicMonitor\scan.csv"

Created by Dom Smith as part of Red Gate Software's Down Tools Week, March 2014
*/

private Dictionary<string, bool> parseCsv()
{
    var reader = new StreamReader(File.OpenRead(@"Z:\RadioMicMonitor\scan.csv"));
    bool headerRow = true;
    Dictionary<string, bool> micStatus = new Dictionary<string, bool> {
        {"mic1",false},
        {"mic2",false},
        {"mic3",false}
    };
    while (!reader.EndOfStream)
    {
        var line = reader.ReadLine();
        var values = line.Split(',');
        if (!headerRow)
        {
            // Cast mhz to float
            float mhzFloat = float.Parse(values[1]);
            float dbFloat = float.Parse(values[2]);
            if (dbFloat > -30)
            {
                StringBuilder status = new StringBuilder();
                status.Append("Strength ");
                status.Append(dbFloat.ToString());
                status.Append("dB on ");
                status.Append(mhzFloat.ToString());
                status.Append("MHz");
                toolStripStatusLabel1.Text = status.ToString();
                if (mhzFloat > 863.05 && mhzFloat < 863.15)
                {
                    micStatus["mic1"] = true;
                }
                if (mhzFloat > 863.65 && mhzFloat < 863.75)
                {
                    micStatus["mic2"] = true;
                }
                if (mhzFloat > 864.05 && mhzFloat < 864.15)
                {
                    micStatus["mic3"] = true;
                }
            }
        }
    headerRow = false;
    }
    reader.Close();
    return micStatus;
}