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Fix merging of subgraphs with multiple labels

This commit is contained in:
Jon Evans 2019-04-03 22:41:26 -04:00
parent ff8b7cc6c1
commit ec2c571abb
2 changed files with 52 additions and 25 deletions
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64
eeschema/connection_graph.cpp
View File

@ -143,26 +143,18 @@ bool CONNECTION_SUBGRAPH::ResolveDrivers( bool aCreateMarkers )
}
// For power connections, we allow multiple drivers
if( highest_priority == 5 && candidates.size() > 1 &&
candidates[0]->Type() == SCH_PIN_T )
{
auto pin = static_cast<SCH_PIN*>( candidates[0] );
if( highest_priority >= 4 && candidates.size() > 1 )
m_multiple_drivers = true;
wxASSERT( pin->IsPowerConnection() );
m_multiple_power_ports = true;
}
if( aCreateMarkers && !m_multiple_power_ports &&
candidates.size() > 1 && highest_priority > 1 )
if( aCreateMarkers && m_multiple_drivers )
{
// First check if all the candidates are actually the same
bool same = true;
auto first = candidates[0]->Connection( m_sheet )->Name();
auto first = GetNameForDriver( candidates[0] );
for( unsigned i = 1; i < candidates.size(); i++ )
{
if( candidates[i]->Connection( m_sheet )->Name() != first )
if( GetNameForDriver( candidates[i] ) != first )
{
same = false;
break;
@ -249,6 +241,39 @@ std::vector<SCH_ITEM*> CONNECTION_SUBGRAPH::GetBusLabels()
}
wxString CONNECTION_SUBGRAPH::GetNameForDriver( SCH_ITEM* aItem )
{
wxString name;
switch( aItem->Type() )
{
case SCH_PIN_T:
{
auto power_object = static_cast<SCH_PIN*>( aItem );
name = power_object->GetDefaultNetName( m_sheet );
break;
}
case SCH_LABEL_T:
case SCH_GLOBAL_LABEL_T:
{
auto label = static_cast<SCH_TEXT*>( aItem );
SCH_CONNECTION conn;
conn.ConfigureFromLabel( label->GetText() );
name = conn.Name();
break;
}
default:
break;
}
return name;
};
void CONNECTION_GRAPH::Reset()
{
for( auto sg : m_subgraphs )
@ -1032,25 +1057,20 @@ void CONNECTION_GRAPH::buildConnectionGraph()
// Collapse power nets that are shorted together
if( subgraph->m_multiple_power_ports )
if( subgraph->m_multiple_drivers )
{
for( auto obj : subgraph->m_drivers )
{
if( obj == subgraph->m_driver )
continue;
auto power_object = dynamic_cast<SCH_PIN*>( obj );
// Skip drivers that aren't power ports
if( !power_object )
continue;
auto name = power_object->GetDefaultNetName( subgraph->m_sheet );
int code = -1;
wxString name = subgraph->GetNameForDriver( obj );
if( m_net_name_to_code_map.count( name ) == 0 )
continue;
int code = m_net_name_to_code_map.at( name );
for( auto subgraph_to_update : m_subgraphs )
{
if( !subgraph_to_update->m_driver )

13
eeschema/connection_graph.h
View File

@ -61,7 +61,7 @@ class CONNECTION_SUBGRAPH
{
public:
CONNECTION_SUBGRAPH( SCH_EDIT_FRAME* aFrame ) :
m_dirty( false ), m_code( -1 ), m_multiple_power_ports( false ),
m_dirty( false ), m_code( -1 ), m_multiple_drivers( false ),
m_strong_driver( false ), m_no_connect( nullptr ), m_bus_entry( nullptr ),
m_driver( nullptr ), m_frame( aFrame ), m_driver_connection( nullptr )
{}
@ -84,12 +84,19 @@ public:
/// Returns all the bus labels attached to this subgraph (if any)
std::vector<SCH_ITEM*> GetBusLabels();
// Returns the candidate net name for a driver
wxString GetNameForDriver( SCH_ITEM* aItem );
bool m_dirty;
long m_code;
/// True if this subgraph contains multiple power ports to join in one net
bool m_multiple_power_ports;
/**
* True if this subgraph contains more than one driver that should be
* shorted together in the netlist. For example, two labels or
* two power ports.
*/
bool m_multiple_drivers;
/// True if the driver is "strong": a label or power object
bool m_strong_driver;