mirror of https://github.com/ARMmbed/mbed-os.git
285 lines
9.1 KiB
C++
285 lines
9.1 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "nRF51Gap.h"
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#include "mbed.h"
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#include "common/common.h"
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#include "ble_advdata.h"
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#include "ble_hci.h"
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/**************************************************************************/
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/*!
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@brief Sets the advertising parameters and payload for the device
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@param[in] params
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Basic advertising details, including the advertising
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delay, timeout and how the device should be advertised
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@params[in] advData
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The primary advertising data payload
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@params[in] scanResponse
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The optional Scan Response payload if the advertising
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type is set to \ref GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED
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in \ref GapAdveritinngParams
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@returns \ref ble_error_t
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@retval BLE_ERROR_NONE
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Everything executed properly
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@retval BLE_ERROR_BUFFER_OVERFLOW
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The proposed action would cause a buffer overflow. All
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advertising payloads must be <= 31 bytes, for example.
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@retval BLE_ERROR_NOT_IMPLEMENTED
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A feature was requested that is not yet supported in the
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nRF51 firmware or hardware.
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@retval BLE_ERROR_PARAM_OUT_OF_RANGE
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One of the proposed values is outside the valid range.
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@section EXAMPLE
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@code
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@endcode
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*/
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/**************************************************************************/
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ble_error_t nRF51Gap::setAdvertisingData(GapAdvertisingData & advData, GapAdvertisingData & scanResponse)
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{
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/* Make sure we don't exceed the advertising payload length */
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if (advData.getPayloadLen() > GAP_ADVERTISING_DATA_MAX_PAYLOAD)
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{
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return BLE_ERROR_BUFFER_OVERFLOW;
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}
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/* Make sure we have a payload! */
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if (advData.getPayloadLen() == 0)
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{
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return BLE_ERROR_PARAM_OUT_OF_RANGE;
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}
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/* Check the scan response payload limits */
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//if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED))
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//{
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// /* Check if we're within the upper limit */
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// if (advData.getPayloadLen() > GAP_ADVERTISING_DATA_MAX_PAYLOAD)
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// {
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// return BLE_ERROR_BUFFER_OVERFLOW;
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// }
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// /* Make sure we have a payload! */
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// if (advData.getPayloadLen() == 0)
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// {
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// return BLE_ERROR_PARAM_OUT_OF_RANGE;
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// }
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//}
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/* Send advertising data! */
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ASSERT( ERROR_NONE == sd_ble_gap_adv_data_set(advData.getPayload(), advData.getPayloadLen(),
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scanResponse.getPayload(), scanResponse.getPayloadLen()), BLE_ERROR_PARAM_OUT_OF_RANGE);
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/* Make sure the GAP Service appearance value is aligned with the appearance from GapAdvertisingData */
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ASSERT( ERROR_NONE == sd_ble_gap_appearance_set(advData.getAppearance()), BLE_ERROR_PARAM_OUT_OF_RANGE);
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/* ToDo: Perform some checks on the payload, for example the Scan Response can't */
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/* contains a flags AD type, etc. */
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return BLE_ERROR_NONE;
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}
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/**************************************************************************/
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/*!
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@brief Starts the BLE HW, initialising any services that were
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added before this function was called.
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@note All services must be added before calling this function!
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@returns ble_error_t
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@retval BLE_ERROR_NONE
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Everything executed properly
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@section EXAMPLE
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@code
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@endcode
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*/
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/**************************************************************************/
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ble_error_t nRF51Gap::startAdvertising(GapAdvertisingParams & params)
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{
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/* Make sure we support the advertising type */
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if (params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED)
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{
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/* ToDo: This requires a propery security implementation, etc. */
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return BLE_ERROR_NOT_IMPLEMENTED;
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}
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/* Check interval range */
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if (params.getAdvertisingType() == GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED)
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{
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/* Min delay is slightly longer for unconnectable devices */
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if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN_NONCON) ||
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(params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX))
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{
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return BLE_ERROR_PARAM_OUT_OF_RANGE;
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}
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}
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else
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{
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if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN) ||
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(params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX))
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{
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return BLE_ERROR_PARAM_OUT_OF_RANGE;
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}
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}
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/* Check timeout is zero for Connectable Directed */
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if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) &&
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(params.getTimeout() != 0))
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{
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/* Timeout must be 0 with this type, although we'll never get here */
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/* since this isn't implemented yet anyway */
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return BLE_ERROR_PARAM_OUT_OF_RANGE;
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}
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/* Check timeout for other advertising types */
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if ((params.getAdvertisingType() != GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) &&
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(params.getTimeout() > GAP_ADV_PARAMS_TIMEOUT_MAX))
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{
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return BLE_ERROR_PARAM_OUT_OF_RANGE;
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}
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/* Start Advertising */
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ble_gap_adv_params_t adv_para = { 0 };
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adv_para.type = params.getAdvertisingType() ;
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adv_para.p_peer_addr = NULL ; // Undirected advertisement
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adv_para.fp = BLE_GAP_ADV_FP_ANY ;
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adv_para.p_whitelist = NULL ;
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adv_para.interval = params.getInterval() ; // advertising interval (in units of 0.625 ms)
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adv_para.timeout = params.getTimeout() ;
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ASSERT( ERROR_NONE == sd_ble_gap_adv_start(&adv_para), BLE_ERROR_PARAM_OUT_OF_RANGE);
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state.advertising = 1;
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return BLE_ERROR_NONE;
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}
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/**************************************************************************/
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/*!
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@brief Stops the BLE HW and disconnects from any devices
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@returns ble_error_t
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@retval BLE_ERROR_NONE
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Everything executed properly
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@section EXAMPLE
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@code
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@endcode
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*/
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/**************************************************************************/
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ble_error_t nRF51Gap::stopAdvertising(void)
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{
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/* Stop Advertising */
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ASSERT( ERROR_NONE == sd_ble_gap_adv_stop(), BLE_ERROR_PARAM_OUT_OF_RANGE);
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state.advertising = 0;
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return BLE_ERROR_NONE;
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}
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/**************************************************************************/
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/*!
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@brief Disconnects if we are connected to a central device
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@returns ble_error_t
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@retval BLE_ERROR_NONE
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Everything executed properly
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@section EXAMPLE
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@code
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@endcode
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*/
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/**************************************************************************/
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ble_error_t nRF51Gap::disconnect(void)
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{
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state.advertising = 0;
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state.connected = 0;
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/* Disconnect if we are connected to a central device */
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ASSERT_INT(ERROR_NONE, sd_ble_gap_disconnect(m_connectionHandle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION),
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BLE_ERROR_PARAM_OUT_OF_RANGE);
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return BLE_ERROR_NONE;
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}
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/**************************************************************************/
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/*!
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@brief Sets the 16-bit connection handle
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*/
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/**************************************************************************/
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void nRF51Gap::setConnectionHandle(uint16_t con_handle)
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{
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m_connectionHandle = con_handle;
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}
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/**************************************************************************/
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/*!
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@brief Gets the 16-bit connection handle
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*/
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/**************************************************************************/
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uint16_t nRF51Gap::getConnectionHandle(void)
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{
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return m_connectionHandle;
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}
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/**************************************************************************/
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/*!
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@brief Sets the BLE device address
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@returns ble_error_t
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@section EXAMPLE
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@code
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uint8_t device_address[6] = { 0xca, 0xfe, 0xf0, 0xf0, 0xf0, 0xf0 };
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nrf.getGap().setAddress(Gap::ADDR_TYPE_RANDOM_STATIC, device_address);
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@endcode
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*/
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/**************************************************************************/
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ble_error_t nRF51Gap::setAddress(addr_type_t type, uint8_t address[6])
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{
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if ( type > ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE) return BLE_ERROR_PARAM_OUT_OF_RANGE;
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ble_gap_addr_t dev_addr;
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dev_addr.addr_type = type;
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memcpy(dev_addr.addr, address, 6);
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ASSERT_INT(ERROR_NONE, sd_ble_gap_address_set(&dev_addr), BLE_ERROR_PARAM_OUT_OF_RANGE);
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return BLE_ERROR_NONE;
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}
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