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Many changes to improve UDS decoding.

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This commit is contained in:
Collin Kidder
2017-10-11 22:19:38 -04:00
parent 0f9584eaea
commit cee299b552
6 changed files with 205 additions and 31 deletions
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re/udsscanwindow.cpp
+13 -6
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@@ -97,6 +97,7 @@ void UDSScanWindow::readByToggled()
void UDSScanWindow::numBytesChanged()
{
uint64_t upperBound = (1 << (8 * ui->spinNumBytes->value())) - 1;
if (upperBound > 0x7FFFFFFF) upperBound = 0x7FFFFFFF;
ui->spinUpperSubfunc->setMaximum(upperBound);
}
@@ -232,16 +233,22 @@ void UDSScanWindow::scanUDS()
if (ui->ckReset->isChecked()) //try to command a reset of the ECU. You're likely to know if it works. ;)
{
test.service = UDS_SERVICES::ECU_RESET;
test.subFunc = 1;
sendOnBuses(test, buses);
for (typ = 1; typ < 4; typ++) //try each type of session access
{
test.service = UDS_SERVICES::ECU_RESET;
test.subFunc = typ;
sendOnBuses(test, buses);
}
}
if (ui->ckSecurity->isChecked()) //try to enter security mode - very likely to get a response if an ECU exists.
{
test.service = UDS_SERVICES::SECURITY_ACCESS;
test.subFunc = 1;
sendOnBuses(test, buses);
for (typ = 1; typ < 0x42; typ = typ + 2) //try each type of session access. In practice only the first 1-3 are likely to work
{
test.service = UDS_SERVICES::SECURITY_ACCESS;
test.subFunc = typ;
sendOnBuses(test, buses);
}
}
if (ui->ckReadByAddr->isChecked())