BLE_API/ble/GapScanningParams.h

69 lines
2.9 KiB
C++

/* 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__