migrate to PIP v4

libs/core/cdutils_core.cpp

@@ -4,6 +4,7 @@
 #include "piconfig.h"
 #include "piiobytearray.h"
 #include "piiostring.h"
+#include "piliterals_time.h"
 
 using namespace CDUtils;
 
@@ -90,10 +91,10 @@ CDCore::CDCore() {
 
 
 CDCore::~CDCore() {
-	x_timer.stop();
+	x_timer.stopAndWait();
 	datatr.stop();
 	sendt.stop();
-	sendt.waitForFinish(10);
+	sendt.waitForFinish(100_ms);
 	connection.stop();
 }
 
@@ -213,7 +214,7 @@ void CDCore::init(const PIString & configuration, bool pult) {
 
 
 void CDCore::stop() {
-	x_timer.stop();
+	x_timer.stopAndWait();
 	connection.stop();
 }
 
@@ -226,12 +227,12 @@ void CDCore::release() {
 
 void CDCore::startX(double freq) {
 	// piCout << "start x" << x_timer.isRunning() << freq;
-	if (!x_timer.isRunning()) x_timer.start(1000. / piMaxd(freq, 0.01));
+	if (!x_timer.isRunning()) x_timer.start(piMax(PISystemTime::Frequency::fromHertz(freq), 0.01_Hz));
 }
 
 
 void CDCore::stopX() {
-	x_timer.stop();
+	x_timer.stopAndWait();
 }