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91 lines
2.5 KiB
91 lines
2.5 KiB
using System;
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public void averageCalData(FileStream fileStream, UInt32[] average)
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{
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int i = 0;
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int j = 0;
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UInt32[] s = new UInt32[8];
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UInt32[] total = new UInt32[8];
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Byte[] buffer = new Byte[131072]; //128k Recieve Buffer
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UInt32 samplePtr = 32; // We start with the first sample, header is 32 bytes
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int toRead = buffer.Length;
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inLength = fileStream.Read(buffer, totalRead, toRead);
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for (i = 0; i < 8; i++)
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{
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total[i] = 0;
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s[i] = 0;
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average[i] = 0;
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}
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for (i = 0; i < 100; i++)
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{
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for (j = 0; j < 8; j++)
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{
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s[j] = (UInt32)buffer[samplePtr];
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s[j] |= ((UInt32)buffer[samplePtr + 1] << 8) & 0x00FF00;
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s[j] |= ((UInt32)buffer[samplePtr + 2] << 16) & 0x00FF0000;
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samplePtr += 4;
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total[j] += s[j];
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}
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}
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for (i = 0; i < 8; i++)
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{
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average[i] = total[i] / 100;
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}
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}
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public void CalibrationCalculate()
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{
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int i;
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double ma = new double[8];
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double[] ma = new double[8];
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UInt32[] b = new UInt32[8];
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UInt32[] average_5v = new UInt32[8];
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UInt32[] average_0v = new UInt32[8];
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UInt32[] b = new double[8];
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string ZeroVFileName = @"C:\ERPSData\0V_board1_binrecord06302018201157.bin";
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string FiveVFileName = @"C:\ERPSData\5v_board1_binrecord06302018202901.bin";
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string calFile = @"C:\ERPSData\goldenCal.dat";
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var ZeroVStream = new FileStream(ZeroVFileName, FileMode.Open);
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var FiveVStream = new FileStream(FiveVFileName, FileMode.Open);
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var OutFile = new FileStream(calFile, FileMode.Create, FileAccess.Write);
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averageCalData(FiveVStream, average_5v);
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averageCalData(ZeroVStream, average_0v);
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for (i = 0; i < 8; i++)
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{
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// y = mx + b
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//ma = (yH - yL) / (xH - xL)
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if (average_0v[i] & 0x800000)
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{
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ma[i] = (double)(average_5v[i] - (average_0v[i] - 0xFFFFFF)) / 0x7FFFFF;
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}
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else
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ma[i] = (double)(average_5v[i] - average_0v[i]) / 0x7FFFFF;
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if (average_0v[i] & 0x800000)
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{
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(average_0v[i] - 0xFFFFFF) * ma[i];
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}
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else
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b[i] = average_0v[i] * ma[i];
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}
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fprintf(write_fd, "%f %f %f %f %f %f %f %f \n", ma[0], ma[1], ma[2], ma[3], ma[4], ma[5], ma[6], ma[7]);
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fprintf(write_fd, "%x %x %x %x %x %x %x %x \n", b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]);
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fclose((FILE*)read_5v_fd);
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fclose((FILE*)read_0v_fd);
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fclose((FILE*)write_fd);
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}
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