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Attempt to get a better picture of mismatching device pins at the presence of device pin swapping

This commit is contained in:
Matthias Koefferlein 2021-03-26 17:46:10 +01:00
parent a0cab9832f
commit 3ce13f6769
1 changed files with 17 additions and 1 deletions
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18
src/laybasic/laybasic/layNetlistBrowserModel.cc
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@ -530,10 +530,26 @@ static std::pair<const db::DeviceTerminalDefinition *, const db::DeviceTerminalD
size_t td1_id_norm = device_classes.first->normalize_terminal_id (td1->id ());
const db::Net *n2 = model->second_net_for (devices.first->net_for_terminal (terminal_id));
// this scheme makes a guess what terminal to use when a pair of terminals does not connect
// to matching nets
std::set<const db::Net *> n2_excluded;
if (! n2) {
for (size_t i = 0; i < device_classes.first->terminal_definitions ().size (); ++i) {
const db::DeviceTerminalDefinition &td = device_classes.first->terminal_definitions () [i];
if (device_classes.first->normalize_terminal_id (td.id ()) == td1_id_norm) {
const db::Net *n2x = model->second_net_for (devices.first->net_for_terminal (td.id ()));
if (n2x) {
n2_excluded.insert (n2x);
}
}
}
}
for (size_t i = 0; i < device_classes.second->terminal_definitions ().size (); ++i) {
const db::DeviceTerminalDefinition &td = device_classes.second->terminal_definitions () [i];
if (device_classes.second->normalize_terminal_id (td.id ()) == td1_id_norm) {
if (devices.second->net_for_terminal (i) == n2) {
const db::Net *n2_actual = devices.second->net_for_terminal (i);
if ((! n2 || n2_actual == n2) && n2_excluded.find (n2_actual) == n2_excluded.end ()) {
second_terminal_id = i;
break;
}