servo: Added new module servo

Signed-off-by: Kiveisha Yevgeniy <yevgeniy.kiveisha@intel.com>

src/servo/servo.h

@@ -0,0 +1,58 @@
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * 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.
+ */
+#pragma once
+
+#include <string>
+#include <maa/pwm.h>
+
+namespace upm {
+
+#define MIN_PULSE_WIDTH      600
+#define MAX_PULSE_WIDTH      2500
+#define MAX_PERIOD           7968
+
+#define HIGH                  1
+#define LOW                   0
+
+class Servo {
+    public:
+        Servo (int pin);
+        ~Servo();
+        maa_result_t setAngle (int angle);
+
+        std::string name()
+        {
+            return m_name;
+        }
+    protected:
+        int calcPulseTraveling (int value);
+
+        std::string         m_name;
+        int                 m_servoPin;
+        float               m_maxAngle;
+        maa_pwm_context     m_pwmServoContext;
+        // maa_gpio_context    m_servoPinCtx;
+};
+
+}