work on string; far from completed

demo/arduino-uno/hd44780-shield/main.cpp

@@ -23,12 +23,23 @@ int main( void ){
     auto rs = target::pin_out( target::pins::d8 );
     auto e  = target::pin_out( target::pins::d9 );
     auto bl = target::pin_out( target::pins::d10 );
-    auto lcd = hwlib::hd44780( rs, e, d, 2, 16 );  
+
+    // select the LCD size.
+    // the shield has a 2 x 16 LCD
+    // auto lcd = hwlib::hd44780( rs, e, d, 1, 16 );  
+    // auto lcd = hwlib::hd44780( rs, e, d, 2, 16 );  
+    // auto lcd = hwlib::hd44780( rs, e, d, 4, 20 );  
+    auto lcd = hwlib::hd44780( rs, e, d, 2, 40 );  
 
     bl.set( 0 );
     hwlib::wait_ms( 500 );    
     bl.set( 1 );
 
-    lcd << "\fHello world!\nnice to meet you" << hwlib::flush;
+    lcd 
+       << "\fHello world!        | this is only for a"
+       << "\nnice to meet you    | 40 col. display." 
+       << "\t0002line 3 ============X"
+       << "\nline 4 ============X"
+       << hwlib::flush;
 
 }

demo/arduino-uno/hd44780-shield/makefile

@@ -19,6 +19,8 @@ HEADERS :=
 # other places to look for files for this project
 SEARCH  := 
 
+
+
 # set RELATIVE to the next higher directory 
 # and defer to the appropriate Makefile.* there
 RELATIVE := ..

demo/native/makefile

@@ -11,6 +11,7 @@
 #############################################################################
 
 SUBDIRS += hello
+SUBDIRS += string
 
 BUILDDIRS = $(SUBDIRS:%=build-%)
 CLEANDIRS = $(SUBDIRS:%=clean-%)

demo/native/string/main.cpp

@@ -0,0 +1,25 @@
+// ==========================================================================
+//
+// hwlib::string demo
+//
+// (c) Wouter van Ooijen (wouter@voti.nl) 2017
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at 
+// http://www.boost.org/LICENSE_1_0.txt) 
+//
+// ==========================================================================
+
+#include "hwlib.hpp"
+#include <iostream>
+
+int main( void ){
+   hwlib::string< 100 > t = "Hello brave new world!\n";
+   std::cout << t;
+
+   auto r = t.range_start_end( 2, 5 );
+   hwlib::string< 100 > rr = r;
+   std::cout << "[" << rr << "]\n";
+
+   std::cout << "[" << t.range_start_length( 3, 9 ) << "]\n";
+}

demo/native/string/makefile

@@ -0,0 +1,25 @@
+#============================================================================
+#
+# simple project makefile (just a main file)
+#
+# (c) Wouter van Ooijen (wouter@voti.nl) 2017
+#
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at 
+# http://www.boost.org/LICENSE_1_0.txt) 
+#
+#============================================================================
+
+# source files in this project (main.* is automatically assumed)
+SOURCES :=
+
+# header files in this project
+HEADERS :=
+
+# other places to look for files for this project
+SEARCH  := 
+
+# set RELATIVE to the next higher directory 
+# and defer to the appropriate Makefile.* there
+RELATIVE := ..
+include $(RELATIVE)/makefile.link

include/hwlib-demo.hpp → library/hwlib-demo.hpp

@@ -18,6 +18,8 @@
 
 #include "hwlib-pin.hpp"
 #include "hwlib-port.hpp"
+#include "hwlib-adc.hpp"
+#include "hwlib-dac.hpp"
 #include "hwlib-wait.hpp"
 #include "hwlib-graphics.hpp"