add a couple of arduino examples (#397)

* Add information about Arduino library and repo

* Add arduino library example

README.md

@@ -56,3 +56,7 @@ Any help porting the library to work under different platforms and compilers wou
 I am especially interested in people who are using Keil, IAR, Green Hills, TI Code Composer etc, bare metal or RTOS, and DSPs.
 
 See (https://www.etlcpp.com) for up-to-date information.
+
+**Arduino library:**
+
+The content of this repo is available as a library in the Arduino IDE (search for the "Embedded Template Library" in the IDE library manager). The Arduino library repository is available at ```https://github.com/ETLCPP/etl-arduino```, see there for more details.

arduino/create_arduino_library.py

@@ -27,6 +27,10 @@ print('etl_dir             = ', etl_dir)
 include_dir = os.path.join(etl_dir, 'include')
 print('include_dir         = ', include_dir)
 
+# Get the ETL arduino_examples folder
+arduino_examples_dir = os.path.join(etl_dir, 'arduino_examples')
+print('examples_dir        = ', arduino_examples_dir)
+
 # Get the root folder of both repositories
 common_dir = os.path.dirname(etl_dir)
 print('common_dir          = ', common_dir)
@@ -39,6 +43,10 @@ print('etl_arduino_dir     = ', etl_arduino_dir)
 etl_arduino_src_dir = os.path.join(etl_arduino_dir, 'src')
 print('etl_arduino_src_dir = ', etl_arduino_src_dir)
 
+# Get the ETL Arduino examples repository folder
+etl_arduino_examples_dir = os.path.join(etl_arduino_dir, 'examples')
+print('etl_arduino_examples_dir = ', etl_arduino_examples_dir)
+
 print('')
 
 # Copy the library properties
@@ -70,3 +78,13 @@ print('Copy the ETL headers')
 print('  From :', source)
 print('  To   :', destination)
 shutil.copytree(source, destination, dirs_exist_ok = True)
+
+print('')
+
+# Copy the ETL arduino_examples
+source      = arduino_examples_dir
+destination = etl_arduino_examples_dir
+print('Copy the ETL examples_arduino')
+print('  From :', source)
+print('  To   :', destination)
+shutil.copytree(source, destination, dirs_exist_ok = True)

arduino_examples/Example_0_import_etl/Example_0_import_etl.ino

@@ -0,0 +1,10 @@
+#include "Embedded_Template_Library.h"  // this is required for any more etl import when using Arduino IDE
+
+void setup(){
+  
+}
+
+
+void loop(){
+  
+}

arduino_examples/Vector_Examples/Example_Vector_1_simple_use/Example_Vector_1_simple_use.ino

@@ -0,0 +1,37 @@
+#include "Embedded_Template_Library.h"
+#include "etl/vector.h"
+
+template <typename T>
+void print_vector(etl::ivector<T> const & vec_in){
+  Serial.print(F("print vector content | size ")); Serial.print(vec_in.size()); Serial.print(F(" | capacity ")); Serial.println(vec_in.capacity());
+  Serial.print(F("content | "));
+  for (T const & elem : vec_in) {
+    Serial.print(elem);
+    Serial.print(F(" | "));
+  }
+  Serial.println();
+}
+
+void setup(){
+  Serial.begin(115200);
+  delay(100);
+  Serial.println(F("booted"));
+
+  etl::vector<int, 12> vec_int;
+
+  Serial.println(F("initialized vec_int"));
+  print_vector(vec_int);
+
+  vec_int.push_back(1);
+  vec_int.push_back(2);
+  Serial.println(F("pushed to vec_int"));
+  print_vector(vec_int);
+
+  vec_int.pop_back();
+  Serial.println(F("pop from vec_int; returns no value"));
+  print_vector(vec_int);
+}
+
+void loop(){
+  
+}