private void listFrameIDs_SelectedIndexChanged(object sender, EventArgs e)
{
int idx, numFrames, targettedID;
int minLen, maxLen, thisLen;
int[] minData = new int[8];
int[] maxData = new int[8];
int[,] dataHistogram = new int[256,8];
TreeNode baseNode, dataBase, histBase, numBase;
Color[] theseColors = { Color.White, Color.Red, Color.Blue, Color.Green, Color.Purple, Color.Pink, Color.Yellow, Color.SlateGray };
if (listFrameIDs.SelectedIndex > -1)
{
parseFrameCache();
targettedID = Utility.ParseStringToNum(listFrameIDs.Items[listFrameIDs.SelectedIndex].ToString());
idx = getIdxForID(targettedID);
numFrames = frames[idx].Count;
treeDetails.Nodes.Clear();
baseNode = treeDetails.Nodes.Add("ID: " + listFrameIDs.Items[listFrameIDs.SelectedIndex].ToString());
if (frames[idx].ElementAt(0).extended) //if these frames seem to be extended then try for J1939 decoding
{
J1939ID jid = new J1939ID();
jid.src = targettedID & 0xFF;
jid.priority = targettedID >> 26;
jid.pgn = (targettedID >> 8) & 0x3FFFF; //18 bits
jid.pf = (targettedID >> 16) & 0xFF;
jid.ps = (targettedID >> 8) & 0xFF;
if (jid.pf > 0xEF)
{
jid.isBroadcast = true;
jid.dest = 0xFFFF;
baseNode.Nodes.Add("Broadcast frame");
}
else
{
jid.dest = jid.ps;
baseNode.Nodes.Add("Destination ID: 0x" + jid.dest.ToString("X2"));
}
baseNode.Nodes.Add("SRC: 0x" + jid.src.ToString("X2"));
baseNode.Nodes.Add("PGN: " + jid.pgn.ToString());
baseNode.Nodes.Add("PF: 0x" + jid.pf.ToString("X2"));
baseNode.Nodes.Add("PS: 0x" + jid.ps.ToString("X2"));
}
treeDetails.Nodes.Add("# Of Frames: " + numFrames.ToString());
minLen = 8;
maxLen = 0;
for (int i = 0; i < 8; i++)
{
minData[i] = 256;
maxData[i] = -1;
for (int k = 0; k < 256; k++) dataHistogram[k, i] = 0;
}
for (int j = 0; j < numFrames; j++)
{
thisLen = frames[idx].ElementAt(j).len;
if (thisLen > maxLen) maxLen = thisLen;
if (thisLen < minLen) minLen = thisLen;
for (int c = 0; c < thisLen; c++)
{
byte dat = frames[idx].ElementAt(j).data[c];
if (minData[c] > dat) minData[c] = dat;
if (maxData[c] < dat) maxData[c] = dat;
dataHistogram[dat, c]++; //add one to count for this
}
}
if (minLen < maxLen)
baseNode = treeDetails.Nodes.Add("Data Length: " + minLen.ToString() + " to " + maxLen.ToString());
else
baseNode = treeDetails.Nodes.Add("Data Length: " + minLen.ToString());
for (int d = 0; d < numGraphs; d++)
{
Graphs[d].valueCache = null;
Graphs[d].ID = 0;
}
for (int c = 0; c < maxLen; c++)
{
Graphs[6 + c].bias = 0;
Graphs[6 + c].scale = 1;
Graphs[6 + c].mask = 0xFF;
Graphs[6 + c].B1 = c;
Graphs[6 + c].B2 = c;
Graphs[6 + c].ID = targettedID;
Graphs[6 + c].color = theseColors[c];
Graphs[6 + c].signed = false;
if (numFrames > 100)
{
Graphs[6 + c].stride = (int)((((float)numFrames) / 100.0f) + 0.5f);
}
else Graphs[6 + c].stride = 1;
dataBase = baseNode.Nodes.Add("Data Byte " + c.ToString());
dataBase.Nodes.Add("Range: " + minData[c] + " to " + maxData[c]);
histBase = dataBase.Nodes.Add("Histogram");
for (int d = 0; d < 256; d++)
{
if (dataHistogram[d, c] > 0)
{
numBase = histBase.Nodes.Add(d.ToString() + "/0x" + d.ToString("X2") + ": " + dataHistogram[d, c]);
}
}
}
parseFrameCache();
for (int c = 0; c < maxLen; c++) setupGraph(6 + c);
setupGraphs();
}
else
{
}
}
private void listFrameIDs_SelectedIndexChanged(object sender, EventArgs e)
{
int idx, numFrames, targettedID;
int minLen, maxLen, thisLen;
int[] minData = new int[8];
int[] maxData = new int[8];
int[,] dataHistogram = new int[256, 8];
TreeNode baseNode, dataBase, histBase, numBase;
Color[] theseColors = { Color.White, Color.Red, Color.Blue, Color.Green, Color.Purple, Color.Pink, Color.Yellow, Color.SlateGray };
if (listFrameIDs.SelectedIndex > -1)
{
parseFrameCache();
targettedID = Utility.ParseStringToNum(listFrameIDs.Items[listFrameIDs.SelectedIndex].ToString());
idx = getIdxForID(targettedID);
numFrames = frames[idx].Count;
treeDetails.Nodes.Clear();
baseNode = treeDetails.Nodes.Add("ID: " + listFrameIDs.Items[listFrameIDs.SelectedIndex].ToString());
if (frames[idx].ElementAt(0).extended) //if these frames seem to be extended then try for J1939 decoding
{
J1939ID jid = new J1939ID();
jid.src = targettedID & 0xFF;
jid.priority = targettedID >> 26;
jid.pgn = (targettedID >> 8) & 0x3FFFF; //18 bits
jid.pf = (targettedID >> 16) & 0xFF;
jid.ps = (targettedID >> 8) & 0xFF;
if (jid.pf > 0xEF)
{
jid.isBroadcast = true;
jid.dest = 0xFFFF;
baseNode.Nodes.Add("Broadcast frame");
}
else
{
jid.dest = jid.ps;
baseNode.Nodes.Add("Destination ID: 0x" + jid.dest.ToString("X2"));
}
baseNode.Nodes.Add("SRC: 0x" + jid.src.ToString("X2"));
baseNode.Nodes.Add("PGN: " + jid.pgn.ToString());
baseNode.Nodes.Add("PF: 0x" + jid.pf.ToString("X2"));
baseNode.Nodes.Add("PS: 0x" + jid.ps.ToString("X2"));
}
treeDetails.Nodes.Add("# Of Frames: " + numFrames.ToString());
minLen = 8;
maxLen = 0;
for (int i = 0; i < 8; i++)
{
minData[i] = 256;
maxData[i] = -1;
for (int k = 0; k < 256; k++)
{
dataHistogram[k, i] = 0;
}
}
for (int j = 0; j < numFrames; j++)
{
thisLen = frames[idx].ElementAt(j).len;
if (thisLen > maxLen)
{
maxLen = thisLen;
}
if (thisLen < minLen)
{
minLen = thisLen;
}
for (int c = 0; c < thisLen; c++)
{
byte dat = frames[idx].ElementAt(j).data[c];
if (minData[c] > dat)
{
minData[c] = dat;
}
if (maxData[c] < dat)
{
maxData[c] = dat;
}
dataHistogram[dat, c]++; //add one to count for this
}
}
if (minLen < maxLen)
{
baseNode = treeDetails.Nodes.Add("Data Length: " + minLen.ToString() + " to " + maxLen.ToString());
}
else
{
baseNode = treeDetails.Nodes.Add("Data Length: " + minLen.ToString());
}
for (int d = 0; d < numGraphs; d++)
{
Graphs[d].valueCache = null;
Graphs[d].ID = 0;
}
for (int c = 0; c < maxLen; c++)
{
Graphs[6 + c].bias = 0;
Graphs[6 + c].scale = 1;
Graphs[6 + c].mask = 0xFF;
Graphs[6 + c].B1 = c;
Graphs[6 + c].B2 = c;
Graphs[6 + c].ID = targettedID;
Graphs[6 + c].color = theseColors[c];
Graphs[6 + c].signed = false;
if (numFrames > 100)
{
Graphs[6 + c].stride = (int)((((float)numFrames) / 100.0f) + 0.5f);
}
else
{
Graphs[6 + c].stride = 1;
}
dataBase = baseNode.Nodes.Add("Data Byte " + c.ToString());
dataBase.Nodes.Add("Range: " + minData[c] + " to " + maxData[c]);
histBase = dataBase.Nodes.Add("Histogram");
for (int d = 0; d < 256; d++)
{
if (dataHistogram[d, c] > 0)
{
numBase = histBase.Nodes.Add(d.ToString() + "/0x" + d.ToString("X2") + ": " + dataHistogram[d, c]);
}
}
}
parseFrameCache();
for (int c = 0; c < maxLen; c++)
{
setupGraph(6 + c);
}
setupGraphs();
}
else
{
}
}
