Diff: ble/GapScanningParams.h

Revision:

1173:56507890f134

Parent:

1048:efb29faf12fc

Child:

1179:4ab722f8dca0

diff -r 4aad76f757e6 -r 56507890f134 ble/GapScanningParams.h
--- a/ble/GapScanningParams.h	Wed Apr 06 19:15:18 2016 +0100
+++ b/ble/GapScanningParams.h	Wed Apr 06 19:15:19 2016 +0100
@@ -1,68 +1,152 @@
-/* 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 __GAP_SCANNING_PARAMS_H__
-#define __GAP_SCANNING_PARAMS_H__
-
-class GapScanningParams {
-public:
-    static const unsigned SCAN_INTERVAL_MIN = 0x0004; /**< Minimum Scan interval in 625us units - 2.5ms. */
-    static const unsigned SCAN_INTERVAL_MAX = 0x4000; /**< Maximum Scan interval in 625us units - 10.24s. */
-    static const unsigned SCAN_WINDOW_MIN   = 0x0004; /**< Minimum Scan window in 625us units - 2.5ms. */
-    static const unsigned SCAN_WINDOW_MAX   = 0x4000; /**< Maximum Scan window in 625us units - 10.24s. */
-    static const unsigned SCAN_TIMEOUT_MIN  = 0x0001; /**< Minimum Scan timeout in seconds. */
-    static const unsigned SCAN_TIMEOUT_MAX  = 0xFFFF; /**< Maximum Scan timeout in seconds. */
-
-public:
-    GapScanningParams(uint16_t interval       = SCAN_INTERVAL_MAX,
-                      uint16_t window         = SCAN_WINDOW_MAX,
-                      uint16_t timeout        = 0,
-                      bool     activeScanning = false);
-
-    static const uint16_t UNIT_0_625_MS = 625;  /**< Number of microseconds in 0.625 milliseconds. */
-    static uint16_t MSEC_TO_SCAN_DURATION_UNITS(uint32_t durationInMillis) {
-        return (durationInMillis * 1000) / UNIT_0_625_MS;
-    }
-
-    ble_error_t setInterval(uint16_t newIntervalInMS);
-
-    ble_error_t setWindow(uint16_t newWindowInMS);
-
-    ble_error_t setTimeout(uint16_t newTimeout);
-
-    void        setActiveScanning(bool activeScanning);
-
-public:
-    /* @Note: The following return durations in units of 0.625ms */
-    uint16_t getInterval(void) const {return _interval;}
-    uint16_t getWindow(void)   const {return _window;  }
-
-    uint16_t getTimeout(void)  const {return _timeout; }
-    bool     getActiveScanning(void) const {return _activeScanning;}
-
-private:
-    uint16_t _interval; /**< Scan interval in units of 625us (between 2.5ms and 10.24s). */
-    uint16_t _window;   /**< Scan window in units of 625us (between 2.5ms and 10.24s). */
-    uint16_t _timeout;  /**< Scan timeout between 0x0001 and 0xFFFF in seconds; 0x0000 disables timeout. */
-    bool     _activeScanning; /**< Obtain the peer device's advertising data and (if possible) scanResponse. */
-
-private:
-    /* Disallow copy constructor. */
-    GapScanningParams(const GapScanningParams &);
-    GapScanningParams& operator =(const GapScanningParams &in);
-};
-
-#endif // ifndef __GAP_SCANNING_PARAMS_H__
\ No newline at end of file
+/* 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 __GAP_SCANNING_PARAMS_H__
+#define __GAP_SCANNING_PARAMS_H__
+
+class GapScanningParams {
+public:
+    static const unsigned SCAN_INTERVAL_MIN = 0x0004; /**< Minimum Scan interval in 625us units - 2.5ms. */
+    static const unsigned SCAN_INTERVAL_MAX = 0x4000; /**< Maximum Scan interval in 625us units - 10.24s. */
+    static const unsigned SCAN_WINDOW_MIN   = 0x0004; /**< Minimum Scan window in 625us units - 2.5ms. */
+    static const unsigned SCAN_WINDOW_MAX   = 0x4000; /**< Maximum Scan window in 625us units - 10.24s. */
+    static const unsigned SCAN_TIMEOUT_MIN  = 0x0001; /**< Minimum Scan timeout in seconds. */
+    static const unsigned SCAN_TIMEOUT_MAX  = 0xFFFF; /**< Maximum Scan timeout in seconds. */
+
+public:
+    /**
+     * Construct an instance of GapScanningParams.
+     *
+     * @param[in] interval
+     *              The scan interval in milliseconds. Default is
+     *              GapScanningParams::SCAN_INTERVAL_MIN.
+     * @param[in] window
+     *              The scan window in milliseconds. Default is
+     *              GapScanningParams::SCAN_WINDOW_MAX.
+     * @param[in] timeout
+     *              The scan timeout in seconds. Default is 0.
+     * @param[in] activeScanning
+     *              Set to True if active-scanning is required. This is used to
+     *              fetch the scan response from a peer if possible. Default is
+     *              false.
+     */
+    GapScanningParams(uint16_t interval       = SCAN_INTERVAL_MAX,
+                      uint16_t window         = SCAN_WINDOW_MAX,
+                      uint16_t timeout        = 0,
+                      bool     activeScanning = false);
+
+    static const uint16_t UNIT_0_625_MS = 625;  /**< Number of microseconds in 0.625 milliseconds. */
+    /**
+     * Convert milliseconds to units of 0.625ms.
+     *
+     * @param[in] durationInMillis
+     *              The number of milliseconds to convert.
+     *
+     * @return The value of @p durationInMillis in units of 0.625ms.
+     */
+    static uint16_t MSEC_TO_SCAN_DURATION_UNITS(uint32_t durationInMillis) {
+        return (durationInMillis * 1000) / UNIT_0_625_MS;
+    }
+
+    /**
+     * Set the scan interval.
+     *
+     * @param[in] newIntervalInMS
+     *              New scan interval in milliseconds.
+     *
+     * @return BLE_ERROR_NONE if the new scan interval was set successfully.
+     */
+    ble_error_t setInterval(uint16_t newIntervalInMS);
+
+    /**
+     * Set the scan window.
+     *
+     * @param[in] newWindowInMS
+     *              New scan window in milliseconds.
+     *
+     * @return BLE_ERROR_NONE if the new scan window was set successfully.
+     */
+    ble_error_t setWindow(uint16_t newWindowInMS);
+
+    /**
+     * Set the scan timeout.
+     *
+     * @param[in] newTimeout
+     *              New scan timeout in seconds.
+     *
+     * @return BLE_ERROR_NONE if the new scan window was set successfully.
+     */
+    ble_error_t setTimeout(uint16_t newTimeout);
+
+    /**
+     * Set active scanning. This is used to fetch the scan response from a peer
+     * if possible.
+     *
+     * @param[in] activeScanning
+     *              The new boolean value of active scanning.
+     */
+    void setActiveScanning(bool activeScanning);
+
+public:
+    /**
+     * Get the scan interval.
+     *
+     * @return the scan interval in units of 0.625ms.
+     */
+    uint16_t getInterval(void) const {
+        return _interval;
+    }
+
+    /**
+     * Get the scan window.
+     *
+     * @return the scan window in units of 0.625ms.
+     */
+    uint16_t getWindow(void) const {
+        return _window;
+    }
+
+    /**
+     * Get the scan timeout.
+     *
+     * @return The scan timeout in seconds.
+     */
+    uint16_t getTimeout(void) const {
+        return _timeout;
+    }
+
+    /**
+     * Check whether active scanning is set.
+     *
+     * @return True if active scanning is set, false otherwise.
+     */
+    bool getActiveScanning(void) const {
+        return _activeScanning;
+    }
+
+private:
+    uint16_t _interval; /**< Scan interval in units of 625us (between 2.5ms and 10.24s). */
+    uint16_t _window;   /**< Scan window in units of 625us (between 2.5ms and 10.24s). */
+    uint16_t _timeout;  /**< Scan timeout between 0x0001 and 0xFFFF in seconds; 0x0000 disables timeout. */
+    bool     _activeScanning; /**< Obtain the peer device's advertising data and (if possible) scanResponse. */
+
+private:
+    /* Disallow copy constructor. */
+    GapScanningParams(const GapScanningParams &);
+    GapScanningParams& operator =(const GapScanningParams &in);
+};
+
+#endif /* ifndef __GAP_SCANNING_PARAMS_H__ */
\ No newline at end of file