Updated patch to work with Arduino IDE 1.5 and above.

Using: digitalPinHasPWM and digitalPinToTimer.

LiquidCrystal.cpp

@@ -168,9 +168,20 @@ void LiquidCrystal::setBacklight ( uint8_t value )
    // ---------------------------------------------------
    if ( _backlightPin != LCD_NOBACKLIGHT )
    {
+
       // Check if the pin is associated to a timer, i.e. PWM
+      // We dont need to use != NOT_ON_TIMER hack to detect PWM and
+      // 1.5x Arduino and above has a macro to check for PWM capability
+      // on a pin.
       // ---------------------------------------------------
+#if digitalPinHasPWM
+      if(digitalPinHasPWM(_backlightPin))
+#elif digitalPinToTimer
+      // On older 1.x Arduino have to check using hack
       if(digitalPinToTimer(_backlightPin) != NOT_ON_TIMER)
+#else
+      if(0) // if neither of the above we assume no PWM
+#endif
       {
          // Check for control polarity inversion
          // ---------------------------------------------------
@@ -296,4 +307,3 @@ void LiquidCrystal::writeNbits(uint8_t value, uint8_t numBits)
    pulseEnable();
 }
 
-

utility/docs/html/_l_c_d_8cpp_source.html

@@ -388,7 +388,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <a name="l00304"></a>00304 }
 <a name="l00305"></a>00305 
 <a name="l00306"></a>00306 <span class="preprocessor">#ifdef __AVR__</span>
-<a name="l00307"></a>00307 <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">LCD::createChar</a>(uint8_t location, <span class="keyword">const</span> prog_uchar charmap[])
+<a name="l00307"></a>00307 <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">LCD::createChar</a>(uint8_t location, <span class="keyword">const</span> char *charmap)
 <a name="l00308"></a>00308 {
 <a name="l00309"></a>00309    location &amp;= 0x7;   <span class="comment">// we only have 8 memory locations 0-7</span>
 <a name="l00310"></a>00310    

utility/docs/html/_l_c_d_8h_source.html

@@ -252,7 +252,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 <a name="l00387"></a>00387 
 <a name="l00388"></a>00388 <span class="preprocessor">#ifdef __AVR__</span>
 <a name="l00389"></a>00389 <span class="preprocessor"></span>
-<a name="l00407"></a>00407    <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, <span class="keyword">const</span> prog_uchar charmap[]);
+<a name="l00407"></a>00407    <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a91cba8f93c692abcddf8bc3de58d2d3a">createChar</a>(uint8_t location, <span class="keyword">const</span> char *charmap);
 <a name="l00408"></a>00408 <span class="preprocessor">#endif // __AVR__</span>
 <a name="l00409"></a>00409 <span class="preprocessor"></span>   
 <a name="l00419"></a>00419    <span class="keywordtype">void</span> <a class="code" href="class_l_c_d.html#a48220450fd152b25994eb7d0ba340e8d">setCursor</a>(uint8_t col, uint8_t row);