Diff: api/Ticker.h

Revision:

144:ef7eb2e8f9f7

Parent:

0:9b334a45a8ff

--- a/api/Ticker.h	Tue Aug 02 14:07:36 2016 +0000
+++ b/api/Ticker.h	Fri Sep 02 15:07:44 2016 +0100
@@ -1,127 +1,129 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef MBED_TICKER_H
-#define MBED_TICKER_H
-
-#include "TimerEvent.h"
-#include "FunctionPointer.h"
-
-namespace mbed {
-
-/** A Ticker is used to call a function at a recurring interval
- *
- *  You can use as many seperate Ticker objects as you require.
- *
- * Example:
- * @code
- * // Toggle the blinking led after 5 seconds
- *
- * #include "mbed.h"
- *
- * Ticker timer;
- * DigitalOut led1(LED1);
- * DigitalOut led2(LED2);
- *
- * int flip = 0;
- *
- * void attime() {
- *     flip = !flip;
- * }
- *
- * int main() {
- *     timer.attach(&attime, 5);
- *     while(1) {
- *         if(flip == 0) {
- *             led1 = !led1;
- *         } else {
- *             led2 = !led2;
- *         }
- *         wait(0.2);
- *     }
- * }
- * @endcode
- */
-class Ticker : public TimerEvent {
-
-public:
-    Ticker() : TimerEvent() {
-    }
-
-    Ticker(const ticker_data_t *data) : TimerEvent(data) {
-    }
-
-    /** Attach a function to be called by the Ticker, specifiying the interval in seconds
-     *
-     *  @param fptr pointer to the function to be called
-     *  @param t the time between calls in seconds
-     */
-    void attach(void (*fptr)(void), float t) {
-        attach_us(fptr, t * 1000000.0f);
-    }
-
-    /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
-     *
-     *  @param tptr pointer to the object to call the member function on
-     *  @param mptr pointer to the member function to be called
-     *  @param t the time between calls in seconds
-     */
-    template<typename T>
-    void attach(T* tptr, void (T::*mptr)(void), float t) {
-        attach_us(tptr, mptr, t * 1000000.0f);
-    }
-
-    /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
-     *
-     *  @param fptr pointer to the function to be called
-     *  @param t the time between calls in micro-seconds
-     */
-    void attach_us(void (*fptr)(void), timestamp_t t) {
-        _function.attach(fptr);
-        setup(t);
-    }
-
-    /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
-     *
-     *  @param tptr pointer to the object to call the member function on
-     *  @param mptr pointer to the member function to be called
-     *  @param t the time between calls in micro-seconds
-     */
-    template<typename T>
-    void attach_us(T* tptr, void (T::*mptr)(void), timestamp_t t) {
-        _function.attach(tptr, mptr);
-        setup(t);
-    }
-
-    virtual ~Ticker() {
-        detach();
-    }
-
-    /** Detach the function
-     */
-    void detach();
-
-protected:
-    void setup(timestamp_t t);
-    virtual void handler();
-
-protected:
-    timestamp_t     _delay;     /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
-    FunctionPointer _function;  /**< Callback. */
-};
-
-} // namespace mbed
-
-#endif
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_TICKER_H
+#define MBED_TICKER_H
+
+#include "TimerEvent.h"
+#include "Callback.h"
+
+namespace mbed {
+
+/** A Ticker is used to call a function at a recurring interval
+ *
+ *  You can use as many seperate Ticker objects as you require.
+ *
+ * @Note Synchronization level: Interrupt safe
+ *
+ * Example:
+ * @code
+ * // Toggle the blinking led after 5 seconds
+ *
+ * #include "mbed.h"
+ *
+ * Ticker timer;
+ * DigitalOut led1(LED1);
+ * DigitalOut led2(LED2);
+ *
+ * int flip = 0;
+ *
+ * void attime() {
+ *     flip = !flip;
+ * }
+ *
+ * int main() {
+ *     timer.attach(&attime, 5);
+ *     while(1) {
+ *         if(flip == 0) {
+ *             led1 = !led1;
+ *         } else {
+ *             led2 = !led2;
+ *         }
+ *         wait(0.2);
+ *     }
+ * }
+ * @endcode
+ */
+class Ticker : public TimerEvent {
+
+public:
+    Ticker() : TimerEvent() {
+    }
+
+    Ticker(const ticker_data_t *data) : TimerEvent(data) {
+        data->interface->init();
+    }
+
+    /** Attach a function to be called by the Ticker, specifiying the interval in seconds
+     *
+     *  @param func pointer to the function to be called
+     *  @param t the time between calls in seconds
+     */
+    void attach(Callback<void()> func, float t) {
+        attach_us(func, t * 1000000.0f);
+    }
+
+    /** Attach a member function to be called by the Ticker, specifiying the interval in seconds
+     *
+     *  @param obj pointer to the object to call the member function on
+     *  @param method pointer to the member function to be called
+     *  @param t the time between calls in seconds
+     */
+    template<typename T, typename M>
+    void attach(T *obj, M method, float t) {
+        attach(Callback<void()>(obj, method), t);
+    }
+
+    /** Attach a function to be called by the Ticker, specifiying the interval in micro-seconds
+     *
+     *  @param fptr pointer to the function to be called
+     *  @param t the time between calls in micro-seconds
+     */
+    void attach_us(Callback<void()> func, timestamp_t t) {
+        _function.attach(func);
+        setup(t);
+    }
+
+    /** Attach a member function to be called by the Ticker, specifiying the interval in micro-seconds
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     *  @param t the time between calls in micro-seconds
+     */
+    template<typename T, typename M>
+    void attach_us(T *obj, M method, timestamp_t t) {
+        attach_us(Callback<void()>(obj, method), t);
+    }
+
+    virtual ~Ticker() {
+        detach();
+    }
+
+    /** Detach the function
+     */
+    void detach();
+
+protected:
+    void setup(timestamp_t t);
+    virtual void handler();
+
+protected:
+    timestamp_t         _delay;     /**< Time delay (in microseconds) for re-setting the multi-shot callback. */
+    Callback<void()>    _function;  /**< Callback. */
+};
+
+} // namespace mbed
+
+#endif