format code (editorconfig and clang-format)

.clang-format

@@ -0,0 +1,66 @@
+---
+BasedOnStyle:  Google
+AccessModifierOffset: -2
+ConstructorInitializerIndentWidth: 2
+AlignEscapedNewlinesLeft: false
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: true
+AlwaysBreakBeforeMultilineStrings: false
+BreakBeforeBinaryOperators: false
+BreakBeforeTernaryOperators: false
+BreakConstructorInitializersBeforeComma: true
+BinPackParameters: true
+ColumnLimit:    120
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+DerivePointerBinding: false
+PointerBindsToType: true
+ExperimentalAutoDetectBinPacking: false
+IndentCaseLabels: true
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 60
+PenaltyBreakString: 1
+PenaltyBreakFirstLessLess: 1000
+PenaltyExcessCharacter: 1000
+PenaltyReturnTypeOnItsOwnLine: 90
+SpacesBeforeTrailingComments: 2
+Cpp11BracedListStyle: false
+Standard:        Auto
+IndentWidth:     3
+TabWidth:        3
+UseTab:          Never
+IndentFunctionDeclarationAfterType: false
+SpacesInParentheses: true
+SpacesInAngles:  false
+SpaceInEmptyParentheses: false
+SpacesInCStyleCastParentheses: false
+SpaceAfterControlStatementKeyword: true
+SpaceBeforeAssignmentOperators: true
+ContinuationIndentWidth: 4
+SortIncludes: false
+SpaceAfterCStyleCast: false
+
+# Configure each individual brace in BraceWrapping
+BreakBeforeBraces: Custom
+
+# Control of individual brace wrapping cases
+BraceWrapping: {
+    AfterClass: 'true'
+    AfterControlStatement: 'false'
+    AfterEnum : 'true'
+    AfterFunction : 'false'
+    AfterNamespace : 'true'
+    AfterStruct : 'true'
+    AfterUnion : 'true'
+    BeforeCatch : 'true'
+    BeforeElse : 'true'
+    IndentBraces : 'false'
+}
+...

.editorconfig

@@ -0,0 +1,11 @@
+root                     = true
+
+[*]
+indent_style             = space
+indent_size              = 3
+tab_width                = 3
+end_of_line              = lf
+charset                  = utf-8
+trim_trailing_whitespace = true
+insert_final_newline     = true
+max_line_length          = 120

.gitignore

@@ -6,3 +6,6 @@ doku/*.pdf
 doku/*.gz
 doku/*.toc
 doku/*.log
+
+# Ignore Visual Studio Code folder
+.vscode/

src/wlanSignal.cpp

@@ -14,68 +14,65 @@ using namespace std;
 using namespace ros;
 using namespace wlan_pioneer;
 
-
+int8_t getWlanSignalStrength( const string& interface ) {
-int8_t getWlanSignalStrength(const string &interface) {
    struct iw_statistics stats;
    struct iwreq req;
-   memset(&stats, 0, sizeof(stats));
+   memset( &stats, 0, sizeof( stats ) );
-   memset(&req, 0, sizeof(iwreq));
+   memset( &req, 0, sizeof( iwreq ) );
-   strncpy(req.ifr_name, interface.c_str(), 16);
+   strncpy( req.ifr_name, interface.c_str(), 16 );
    req.u.data.pointer = &stats;
-   req.u.data.length = sizeof(iw_statistics);
+   req.u.data.length = sizeof( iw_statistics );
 #ifdef CLEAR_UPDATED
    req.u.data.flags = 1;
 #endif
 
-   int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+   int sockfd = socket( AF_INET, SOCK_DGRAM, 0 );
-   if(sockfd == -1) {
+   if ( sockfd == -1 ) {
-      ROS_ERROR("Could not create simple datagram socket");
+      ROS_ERROR( "Could not create simple datagram socket" );
-      return numeric_limits<int8_t>::min() ;
+      return numeric_limits<int8_t>::min();
    }
-   if(ioctl(sockfd, SIOCGIWSTATS, &req) == -1) {
+   if ( ioctl( sockfd, SIOCGIWSTATS, &req ) == -1 ) {
-      ROS_ERROR("Error retrieving WLAN signal strength ");
+      ROS_ERROR( "Error retrieving WLAN signal strength " );
-      close(sockfd);
+      close( sockfd );
-      return numeric_limits<int8_t>::min() ;
+      return numeric_limits<int8_t>::min();
-
    }
-   close(sockfd);
+   close( sockfd );
    return stats.qual.level;
 }
 
-
+int main( int argc, char** argv ) {
-int main(int argc, char **argv) {
+   init( argc, argv, "wlanSignal" );
-   init(argc, argv, "wlanSignal");
    NodeHandle node;
    string wlanInterface2G4;
    string wlanInterface5G;
 
-   if (node.param<string>("wlan_interface_2G4", wlanInterface2G4, "wlan0")) {
+   if ( node.param<string>( "wlan_interface_2G4", wlanInterface2G4, "wlan0" ) ) {
-      ROS_INFO("Param wlan_interface_2G4: %s", wlanInterface2G4.c_str());
+      ROS_INFO( "Param wlan_interface_2G4: %s", wlanInterface2G4.c_str() );
    }
    else {
-      ROS_INFO("Param 'wlan_interface_2G4' not set. Using 'wlan0'");
+      ROS_INFO( "Param 'wlan_interface_2G4' not set. Using 'wlan0'" );
    }
 
-   if (node.param<string>("wlan_interface_5G", wlanInterface5G, "wlan0")) {
+   if ( node.param<string>( "wlan_interface_5G", wlanInterface5G, "wlan0" ) ) {
-      ROS_INFO("Param wlan_interface_5G: %s", wlanInterface5G.c_str());
+      ROS_INFO( "Param wlan_interface_5G: %s", wlanInterface5G.c_str() );
    }
    else {
-      ROS_INFO("Param 'wlan_interface_5G' not set. Using 'wlan0'");
+      ROS_INFO( "Param 'wlan_interface_5G' not set. Using 'wlan0'" );
    }
 
    // topic: wlan_signal
-   Publisher publisher = node.advertise<WlanSignalMsg>("wlan_signal", 1000);
+   Publisher publisher = node.advertise<WlanSignalMsg>( "wlan_signal", 1000 );
-   Rate loopRate(1); // every second
+   Rate loopRate( 1 );  // every second
 
-   while (ok()) {
+   while ( ok() ) {
       WlanSignalMsg msg;
       msg.timestamp = Time::now();
-      msg.level_2G4 = getWlanSignalStrength(wlanInterface2G4);
+      msg.level_2G4 = getWlanSignalStrength( wlanInterface2G4 );
-      msg.level_5G = getWlanSignalStrength(wlanInterface5G);
+      msg.level_5G = getWlanSignalStrength( wlanInterface5G );
 
-      ROS_INFO("Signal strength 2.4G: %i   Signal strength 5G: %i", msg.level_2G4, msg.level_5G);
+      ROS_INFO( "Signal strength 2.4G: %i   Signal strength 5G: %i", msg.level_2G4, msg.level_5G );
 
-      publisher.publish(msg);
+      publisher.publish( msg );
       spinOnce();
       loopRate.sleep();
    }