Add config option for Nextion display sizes

Conf.cpp

@@ -110,6 +110,7 @@ m_tftSerialBrightness(50U),
 m_hd44780Rows(2U),
 m_hd44780Columns(16U),
 m_hd44780Pins(),
+m_nextionSize(),
 m_nextionPort(),
 m_nextionBrightness(50U)
 {
@@ -348,7 +349,9 @@ bool CConf::read()
 			}
 		}
 	} else if (section == SECTION_NEXTION) {
-		if (::strcmp(key, "Port") == 0)
+		if (::strcmp(key, "Size") == 0)
+			m_nextionSize = value;
+      else if (::strcmp(key, "Port") == 0)
 			m_nextionPort = value;
 		else if (::strcmp(key, "Brightness") == 0)
 			m_nextionBrightness = (unsigned int)::atoi(value);
@@ -680,6 +683,11 @@ std::vector<unsigned int> CConf::getHD44780Pins() const
 	return m_hd44780Pins;
 }
 
+std::string CConf::getNextionSize() const
+{
+	return m_nextionSize;
+}
+
 std::string CConf::getNextionPort() const
 {
 	return m_nextionPort;

Conf.h

@@ -119,6 +119,7 @@ public:
   std::vector<unsigned int> getHD44780Pins() const;
 
   // The Nextion section
+  std::string  getNextionSize() const;
   std::string  getNextionPort() const;
   unsigned int getNextionBrightness() const;
 
@@ -200,6 +201,7 @@ private:
   unsigned int m_hd44780Columns;
   std::vector<unsigned int> m_hd44780Pins;
 
+  std::string  m_nextionSize;
   std::string  m_nextionPort;
   unsigned int m_nextionBrightness;
 };

MMDVM.ini

@@ -92,3 +92,4 @@ Pins=115,113,112,111,110,109
 [Nextion]
 Port=/dev/ttyAMA0
 Brightness=50
+Size=2.4

MMDVMHost.cpp

@@ -584,13 +584,15 @@ void CMMDVMHost::createDisplay()
 
 		m_display = new CTFTSerial(callsign, dmrid, port, brightness);
 	} else if (type == "Nextion") {
+		std::string size        = m_conf.getNextionSize();
 		std::string port        = m_conf.getNextionPort();
 		unsigned int brightness = m_conf.getNextionBrightness();
 
+		LogInfo("    Size: %s", size.c_str());
 		LogInfo("    Port: %s", port.c_str());
 		LogInfo("    Brightness: %u", brightness);
 
-		m_display = new CNextion(callsign, dmrid, port, brightness);
+		m_display = new CNextion(callsign, dmrid, size, port, brightness);
 #if defined(HD44780)
 	} else if (type == "HD44780") {
 		unsigned int rows    = m_conf.getHD44780Rows();

Nextion.cpp

@@ -23,9 +23,10 @@
 #include <cassert>
 #include <cstring>
 
-CNextion::CNextion(const std::string& callsign, unsigned int dmrid, const std::string& port, unsigned int brightness) :
+CNextion::CNextion(const std::string& callsign, unsigned int dmrid, const std::string& size, const std::string& port, unsigned int brightness) :
 m_callsign(callsign),
 m_dmrid(dmrid),
+m_size(size),
 m_serial(port, SERIAL_9600),
 m_brightness(brightness),
 m_mode(MODE_IDLE)

Nextion.h

@@ -28,7 +28,7 @@
 class CNextion : public IDisplay
 {
 public:
-  CNextion(const std::string& callsign, unsigned int dmrid, const std::string& port, unsigned int brightness);
+  CNextion(const std::string& callsign, unsigned int dmrid, const std::string& size, const std::string& port, unsigned int brightness);
   virtual ~CNextion();
 
   virtual bool open();
@@ -52,6 +52,7 @@ public:
 private:
   std::string       m_callsign;
   unsigned int      m_dmrid;
+  std::string       m_size;
   CSerialController m_serial;
   unsigned int      m_brightness;
   unsigned char     m_mode;