Header files re-arrangement

extras/cpp_support/include/countdown.hpp

@@ -0,0 +1,102 @@
+/* 
+ * The MIT License (MIT)
+ * 
+ * ESP8266 FreeRTOS Firmware
+ * Copyright (c) 2015 Michael Jacobsen (github.com/mikejac)
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * https://github.com/SuperHouse/esp-open-rtos
+ * 
+ */
+
+#ifndef ESP_OPEN_RTOS_TIMER_HPP
+#define	ESP_OPEN_RTOS_TIMER_HPP
+
+#include "FreeRTOS.h"
+#include "task.h"
+
+namespace esp_open_rtos {
+namespace timer {
+
+#define __millis()  (xTaskGetTickCount() * portTICK_RATE_MS)
+
+/******************************************************************************************************************
+ * countdown_t
+ *
+ */
+class countdown_t
+{
+public:
+    /**
+     * 
+     */
+    countdown_t()
+    {  
+	interval_end_ms = 0L;
+    }
+    /**
+     * 
+     * @param ms
+     */
+    countdown_t(int ms)
+    {
+        countdown_ms(ms);   
+    }
+    /**
+     * 
+     * @return 
+     */
+    bool expired()
+    {
+        return (interval_end_ms > 0L) && (__millis() >= interval_end_ms);
+    }
+    /**
+     * 
+     * @param ms
+     */
+    void countdown_ms(unsigned long ms)  
+    {
+        interval_end_ms = __millis() + ms;
+    }
+    /**
+     * 
+     * @param seconds
+     */
+    void countdown(int seconds)
+    {
+        countdown_ms((unsigned long)seconds * 1000L);
+    }
+    /**
+     * 
+     * @return 
+     */
+    int left_ms()
+    {
+        return interval_end_ms - __millis();
+    }
+    
+private:
+    portTickType interval_end_ms;
+};
+
+} // namespace timer {
+} // namespace esp_open_rtos {
+
+#endif