Rotary encoder library.

Dependents:   RotaryEncoder_TestProgram ST7735_Pong accuBlast_display

Revision:
0:6537b3b709b6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RotaryEncoder.h	Sun Dec 19 05:03:45 2010 +0000
@@ -0,0 +1,93 @@
+/**
+ * =============================================================================
+ * Rotary Encoder class (Version 0.0.1)
+ * =============================================================================
+ * Copyright (c) 2010 Shinichiro Nakamura (CuBeatSystems)
+ *
+ * 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.
+ * =============================================================================
+ */
+
+#ifndef ROTARY_ENCODER_H
+#define ROTARY_ENCODER_H
+
+#include "mbed.h"
+
+/**
+ */
+class RotaryEncoder {
+public:
+    /**
+     * Create rotary encoder.
+     *
+     * @param pin1_name
+     * @param pin2_name
+     * @param min Minimum value.
+     * @param max Maximum value.
+     * @param val Default value.
+     */
+    RotaryEncoder(PinName pin1_name, PinName pin2_name, int min = 0, int max = 100, int val = 50);
+
+    /**
+     * Dispose.
+     */
+    ~RotaryEncoder();
+
+    /**
+     * Get the minimum value.
+     *
+     * @return The minimum value.
+     */
+    int getMin() const {
+        return min;
+    }
+
+    /**
+     * Get the maximum value.
+     *
+     * @return The maximum value.
+     */
+    int getMax() const {
+        return max;
+    }
+
+    /**
+     * Get the value.
+     *
+     * @param The value.
+     */
+    int getVal() const {
+        return val;
+    }
+
+private:
+    DigitalIn pin1;
+    DigitalIn pin2;
+    const int min;
+    const int max;
+    int val;
+    Ticker ticker;
+
+    /**
+     * Internal tick function.
+     */
+    void func_ticker();
+};
+
+#endif