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var newID = 0;
function setup ()
{
host.log("RLEC ID Changer");
can.setFilter(0x0, 0x0F, 0);
can.sendFrame(0, 0x7E0, 8, [0x0d, 1, 0, 0, 0, 0, 0, 0]);
}
function gotCANFrame (bus, id, len, data)
{
var dataBytes = [];
if (len == 8)
{
if (data[0] == 0xd && data[1] == 1 && data[2] == 0xAA)
{
host.log("Got challenge: 0x" + data[3].toString(16) + data[4].toString(16));
var notData3 = ~data[3];
var notData4 = ~data[4];
dataBytes[0] = 0xD;
dataBytes[1] = 2;
dataBytes[2] = ((notData4 & 0xF) << 4) + ((notData3 >> 4) & 0xF);
dataBytes[3] = ((notData4 >> 4) & 0xF) + ((notData3 & 0xF) << 4);
dataBytes[4] = 0;
dataBytes[5] = 0;
dataBytes[6] = 0;
dataBytes[7] = 0;
can.sendFrame(0, 0x7E0, 8, dataBytes);
}
if (data[0] == 0xd && data[1] == 2 && data[2] == 0xAA)
{
host.log("Passed security Check!");
dataBytes[0] = 4;
dataBytes[1] = 0x15;
dataBytes[2] = newID;
can.sendFrame(0, 0x7E0, 8, dataBytes);
}
if (data[0] ==4 && data[1] == 0x15 && data[2] == 0xAA)
{
host.log("ID Reprogramming Successful!");
}
}
}
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