Use the Thread class for delays.

MMDVMHost.cpp

@@ -27,6 +27,7 @@
 #include "NullDisplay.h"
 #include "YSFControl.h"
 #include "Nextion.h"
+#include "Thread.h"
 
 #if defined(HD44780)
 #include "HD44780.h"
@@ -568,13 +569,8 @@ int CMMDVMHost::run()
 			m_dmrTXTimer.stop();
 		}
 
-		if (ms < 5U) {
-#if defined(_WIN32) || defined(_WIN64)
-			::Sleep(5UL);		// 5ms
-#else
-			::usleep(5000);		// 5ms
-#endif
-		}
+		if (ms < 5U)
+			CThread::sleep(5U);
 	}
 
 	LogMessage("MMDVMHost-%s is exiting on receipt of SIGHUP1", VERSION);

MMDVMHost.vcxproj

@@ -187,6 +187,7 @@
     <ClInclude Include="StopWatch.h" />
     <ClInclude Include="Sync.h" />
     <ClInclude Include="TFTSerial.h" />
+    <ClInclude Include="Thread.h" />
     <ClInclude Include="Timer.h" />
     <ClInclude Include="UDPSocket.h" />
     <ClInclude Include="Utils.h" />
@@ -236,6 +237,7 @@
     <ClCompile Include="StopWatch.cpp" />
     <ClCompile Include="Sync.cpp" />
     <ClCompile Include="TFTSerial.cpp" />
+    <ClCompile Include="Thread.cpp" />
     <ClCompile Include="Timer.cpp" />
     <ClCompile Include="UDPSocket.cpp" />
     <ClCompile Include="Utils.cpp" />

MMDVMHost.vcxproj.filters

@@ -164,6 +164,9 @@
     <ClInclude Include="YSFNetwork.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Thread.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="BPTC19696.cpp">
@@ -301,5 +304,8 @@
     <ClCompile Include="YSFNetwork.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Thread.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

Makefile

@@ -9,8 +9,8 @@ LDFLAGS = -g
 OBJECTS = \
 		AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
 		DMRShortLC.o DMRSlot.o DMRSlotType.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o Log.o MMDVMHost.o Modem.o \
-		Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFControl.o YSFConvolution.o \
-		YSFFICH.o YSFNetwork.o YSFPayload.o
+		Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \
+		YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
 
 all:		MMDVMHost
 

Makefile.Pi.Adafruit

@@ -9,7 +9,7 @@ LDFLAGS = -g -L/usr/local/lib
 OBJECTS = \
 		AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
 		DMRShortLC.o DMRSlot.o DMRSlotType.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o MMDVMHost.o \
-		Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFControl.o \
+		Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \
 		YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
 
 all:		MMDVMHost

Makefile.Pi.HD44780

@@ -9,7 +9,7 @@ LDFLAGS = -g -L/usr/local/lib
 OBJECTS = \
 		AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
 		DMRShortLC.o DMRSlot.o DMRSlotType.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o HD44780.o Log.o MMDVMHost.o \
-		Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFControl.o \
+		Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \
 		YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
 
 all:		MMDVMHost

Makefile.Pi.OLED

@@ -9,7 +9,7 @@ LDFLAGS = -g -L/usr/local/lib
 OBJECTS = \
 		AMBEFEC.o BPTC19696.o Conf.o CRC.o Display.o DMRControl.o DMRCSBK.o DMRData.o DMRDataHeader.o DMREMB.o DMREmbeddedLC.o DMRFullLC.o DMRIPSC.o DMRLookup.o DMRLC.o \
 		DMRShortLC.o DMRSlot.o DMRSlotType.o DStarControl.o DStarHeader.o DStarNetwork.o DStarSlowData.o Golay2087.o Golay24128.o Hamming.o OLED.o Log.o MMDVMHost.o \
-		Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFControl.o \
+		Modem.o Nextion.o NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o StopWatch.o Sync.o TFTSerial.o Thread.o Timer.o UDPSocket.o Utils.o YSFControl.o \
 		YSFConvolution.o YSFFICH.o YSFNetwork.o YSFPayload.o
 
 all:		MMDVMHost

Modem.cpp

@@ -20,6 +20,7 @@
 #include "DMRDefines.h"
 #include "YSFDefines.h"
 #include "Defines.h"
+#include "Thread.h"
 #include "Modem.h"
 #include "Utils.h"
 #include "Log.h"
@@ -717,23 +718,15 @@ bool CModem::readVersion()
 			return false;
 
 		for (unsigned int count = 0U; count < MAX_RESPONSES; count++) {
-#if defined(_WIN32) || defined(_WIN64)
-			::Sleep(10UL);
-#else
-			::usleep(10000UL);
-#endif
+			CThread::sleep(10U);
 			RESP_TYPE_MMDVM resp = getResponse();
 			if (resp == RTM_OK && m_buffer[2U] == MMDVM_GET_VERSION) {
 				LogInfo("MMDVM protocol version: %u, description: %.*s", m_buffer[3U], m_length - 4U, m_buffer + 4U);
 				return true;
 			}
 		}
 
-#if defined(_WIN32) || defined(_WIN64)
-		::Sleep(1000UL);		// 1s
-#else
-		::sleep(1UL);			// 1s
-#endif
+		CThread::sleep(1000U);
 	}
 
 	LogError("Unable to read the firmware version after six attempts");
@@ -802,13 +795,9 @@ bool CModem::setConfig()
 	unsigned int count = 0U;
 	RESP_TYPE_MMDVM resp;
 	do {
-#if defined(_WIN32) || defined(_WIN64)
-		::Sleep(10UL);
-#else
-		::usleep(10000UL);
-#endif
-		resp = getResponse();
+		CThread::sleep(10U);
 
+		resp = getResponse();
 		if (resp == RTM_OK && m_buffer[2U] != MMDVM_ACK && m_buffer[2U] != MMDVM_NAK) {
 			count++;
 			if (count >= MAX_RESPONSES) {
@@ -861,13 +850,9 @@ bool CModem::setFrequency()
 	unsigned int count = 0U;
 	RESP_TYPE_MMDVM resp;
 	do {
-#if defined(_WIN32) || defined(_WIN64)
-		::Sleep(10UL);
-#else
-		::usleep(10000UL);
-#endif
-		resp = getResponse();
+		CThread::sleep(10U);
 
+		resp = getResponse();
 		if (resp == RTM_OK && m_buffer[2U] != MMDVM_ACK && m_buffer[2U] != MMDVM_NAK) {
 			count++;
 			if (count >= MAX_RESPONSES) {

Thread.cpp

@@ -0,0 +1,99 @@
+/*
+ *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "Thread.h"
+
+#if defined(_WIN32) || defined(_WIN64)
+
+CThread::CThread() :
+m_handle()
+{
+}
+
+CThread::~CThread()
+{
+}
+
+bool CThread::run()
+{
+  m_handle = ::CreateThread(NULL, 0, &helper, this, 0, NULL);
+
+  return m_handle != NULL;
+}
+
+
+void CThread::wait()
+{
+  ::WaitForSingleObject(m_handle, INFINITE);
+
+  ::CloseHandle(m_handle);
+}
+
+
+DWORD CThread::helper(LPVOID arg)
+{
+  CThread* p = (CThread*)arg;
+
+  p->entry();
+
+  return 0UL;
+}
+
+void CThread::sleep(unsigned int ms)
+{
+	::Sleep(ms);
+}
+
+#else
+
+CThread::CThread() :
+m_thread()
+{
+}
+
+CThread::~CThread()
+{
+}
+
+bool CThread::run()
+{
+  return ::pthread_create(&m_thread, NULL, helper, this) == 0;
+}
+
+
+void CThread::wait()
+{
+  ::pthread_join(m_thread, NULL);
+}
+
+
+void* CThread::helper(void* arg)
+{
+  CThread* p = (CThread*)arg;
+
+  p->entry();
+
+  return NULL;
+}
+
+void CThread::sleep(unsigned int ms)
+{
+	::usleep(ms * 1000);
+}
+
+#endif

Thread.h

@@ -0,0 +1,56 @@
+/*
+ *   Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#if !defined(THREAD_H)
+#define	THREAD_H
+
+#if defined(_WIN32) || defined(_WIN64)
+#include <windows.h>
+#else
+#include <pthread.h>
+#endif
+
+class CThread
+{
+public:
+  CThread();
+  virtual ~CThread();
+
+  virtual bool run();
+
+  virtual void entry() = 0;
+
+  virtual void wait();
+
+  static void sleep(unsigned int ms);
+
+private:
+#if defined(_WIN32) || defined(_WIN64)
+	HANDLE    m_handle;
+#else
+  pthread_t m_thread;
+#endif
+
+#if defined(_WIN32) || defined(_WIN64)
+  static DWORD __stdcall helper(LPVOID arg);
+#else
+  static void* helper(void* arg);
+#endif
+};
+
+#endif