From 628490097e89546515566fc009d349f639f07d89 Mon Sep 17 00:00:00 2001
From: Jonathan Naylor <naylorjs@yahoo.com>
Date: Mon, 23 May 2016 18:43:44 +0100
Subject: [PATCH] Add example timer code to HD4470.cpp and .h

---
 HD44780.cpp | 11 ++++++++++-
 HD44780.h   |  2 ++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/HD44780.cpp b/HD44780.cpp
index 99b23cd..821d41d 100644
--- a/HD44780.cpp
+++ b/HD44780.cpp
@@ -50,7 +50,8 @@ m_pwmDim(pwmDim),
 m_duplex(duplex),
 //m_duplex(true), // uncomment to force duplex display for testing!
 m_fd(-1),
-m_dmr(false)
+m_dmr(false),
+m_timer(1000U, 0U, 250U)		// 250ms
 {
 	assert(rows > 1U);
 	assert(cols > 15U);
@@ -679,6 +680,14 @@ void CHD44780::clearFusionInt()
 
 void CHD44780::clockInt(unsigned int ms)
 {
+	m_timer.clock(ms);
+	if (m_timer.isRunning() && m_timer.hasExpired()) {
+		// Do work every 250ms here
+
+		// Start the timer with m_timer.start();
+		// and stop it with m_timer.stop();
+		m_timer.start();
+	}
 }
 
 void CHD44780::close()
diff --git a/HD44780.h b/HD44780.h
index 28400b6..332a14f 100644
--- a/HD44780.h
+++ b/HD44780.h
@@ -20,6 +20,7 @@
 #define	HD44780_H
 
 #include "Display.h"
+#include "Timer.h"
 
 #include <string>
 #include <vector>
@@ -93,6 +94,7 @@ private:
 	bool         m_duplex;
 	int          m_fd;
 	bool         m_dmr;
+	CTimer       m_timer;
 
 #ifdef ADAFRUIT_DISPLAY
   void adafruitLCDSetup();