Merge branch 'feature/c++'

examples/simple_cplusplus/Makefile

@@ -0,0 +1,3 @@
+# Simple makefile for simple example
+PROGRAM=simple
+include ../../common.mk

examples/simple_cplusplus/simple.cpp

@@ -0,0 +1,64 @@
+/* A very basic C++ example, really just proof of concept for C++
+
+   This sample code is in the public domain.
+ */
+#include "espressif/esp_common.h"
+#include "espressif/sdk_private.h"
+#include "FreeRTOS.h"
+#include "task.h"
+#include "queue.h"
+
+class Counter
+{
+private:
+  uint32_t _count;
+public:
+  Counter(uint32_t initial_count)
+  {
+    this->_count = initial_count;
+    printf("Counter initialised with count %d\r\n", initial_count);
+  }
+
+  void Increment()
+  {
+    _count++;
+  }
+
+  uint32_t getCount()
+  {
+    return _count;
+  }
+};
+
+static Counter static_counter(99);
+
+void task1(void *pvParameters)
+{
+  Counter local_counter = Counter(12);
+  Counter *new_counter = new Counter(24);
+  while(1) {
+    Counter *counter = NULL;
+    switch(rand() % 3) {
+    case 0:
+      counter = &local_counter;
+      break;
+    case 1:
+      counter = &static_counter;
+      break;
+    default:
+      counter = new_counter;
+      break;
+    }
+    counter->Increment();
+    printf("local counter %d static counter %d newly allocated counter %d\r\n", local_counter.getCount(),
+	   static_counter.getCount(), new_counter->getCount());
+    vTaskDelay(100);
+  }
+}
+
+extern "C" void user_init(void)
+{
+    sdk_uart_div_modify(0, UART_CLK_FREQ / 115200);
+    printf("SDK version:%s\n", sdk_system_get_sdk_version());
+    xTaskCreate(task1, (signed char *)"tsk1", 256, NULL, 2, NULL);
+}