Added C++ base components and example

examples/cpp_01_tasks/Makefile

@@ -0,0 +1,3 @@
+# Simple makefile for simple example
+PROGRAM=cpp_01_tasks
+include ../../common.mk

examples/cpp_01_tasks/main.cpp

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+/* 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (C) 2015  Michael Jacobsen
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#include "cplusplus/cplusplus.hpp"
+#include "thread/task.hpp"
+#include "thread/queue.hpp"
+
+#include "espressif/esp_common.h"
+
+/******************************************************************************************************************
+ * task_1_t
+ *
+ */
+class task_1_t: public esp_open_rtos::thread::task_t
+{
+public:
+    esp_open_rtos::thread::queue_t<uint32_t> queue;
+    
+private:
+    void task()
+    {
+        printf("task_1_t::task(): start\n");
+
+        uint32_t count = 0;
+
+        while(true) {
+            sleep(1000);
+            queue.post(count);
+            count++;
+        }
+    }    
+};
+/******************************************************************************************************************
+ * task_2_t
+ *
+ */
+class task_2_t: public esp_open_rtos::thread::task_t
+{
+public:
+    esp_open_rtos::thread::queue_t<uint32_t> queue;
+    
+private:
+    void task()
+    {
+        printf("task_2_t::task(): start\n");
+
+        while(true) {
+            uint32_t count;
+
+            if(queue.receive(count, 1500) == 0) {
+                printf("task_2_t::task(): got %lu\n", count);
+            } 
+            else {
+                printf("task_2_t::task(): no msg\n");
+            }
+        }
+    }    
+};
+/******************************************************************************************************************
+ * globals
+ *
+ */
+task_1_t task_1;
+task_2_t task_2;
+
+esp_open_rtos::thread::queue_t<uint32_t> MyQueue;
+
+/**
+ * 
+ */
+extern "C" void user_init(void)
+{
+	sdk_uart_div_modify(0, UART_CLK_FREQ / 115200);
+	
+    MyQueue.create(10);
+    
+    task_1.queue = MyQueue;
+    task_2.queue = MyQueue;
+    
+    task_1.task_create("tsk1");
+    task_2.task_create("tsk2");
+}