Added support for obtaining BLE device name by parsing advertising data.
Fork of BLE_BlueNRG by
BlueNRGGap.cpp
- Committer:
- mridup
- Date:
- 2014-07-21
- Revision:
- 3:9c4c13795643
- Parent:
- 2:a2b623661316
- Child:
- 4:fa5b5693c1b5
File content as of revision 3:9c4c13795643:
/* 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. */ #include "BlueNRGDevice.h" #include "mbed.h" //Local Variables const uint8_t *device_name; /**************************************************************************/ /*! @brief Sets the advertising parameters and payload for the device @param[in] params Basic advertising details, including the advertising delay, timeout and how the device should be advertised @params[in] advData The primary advertising data payload @params[in] scanResponse The optional Scan Response payload if the advertising type is set to \ref GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED in \ref GapAdveritinngParams @returns \ref ble_error_t @retval BLE_ERROR_NONE Everything executed properly @retval BLE_ERROR_BUFFER_OVERFLOW The proposed action would cause a buffer overflow. All advertising payloads must be <= 31 bytes, for example. @retval BLE_ERROR_NOT_IMPLEMENTED A feature was requested that is not yet supported in the nRF51 firmware or hardware. @retval BLE_ERROR_PARAM_OUT_OF_RANGE One of the proposed values is outside the valid range. @section EXAMPLE @code @endcode */ /**************************************************************************/ ble_error_t BlueNRGGap::setAdvertisingData(const GapAdvertisingData &advData, const GapAdvertisingData &scanResponse) { /* Make sure we don't exceed the advertising payload length */ if (advData.getPayloadLen() > GAP_ADVERTISING_DATA_MAX_PAYLOAD) { return BLE_ERROR_BUFFER_OVERFLOW; } /* Make sure we have a payload! */ if (advData.getPayloadLen() == 0) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } //set the advData here in some local variable so that startAdvertising can use it. if (advData.getPayloadLen() > 0) { const uint8_t *payload = advData.getPayload(); device_name = advData.getPayload(); } return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Starts the BLE HW, initialising any services that were added before this function was called. @note All services must be added before calling this function! @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ ble_error_t BlueNRGGap::startAdvertising(const GapAdvertisingParams ¶ms) { /* Make sure we support the advertising type */ if (params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) { /* ToDo: This requires a propery security implementation, etc. */ return BLE_ERROR_NOT_IMPLEMENTED; } /* Check interval range */ if (params.getAdvertisingType() == GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED) { /* Min delay is slightly longer for unconnectable devices */ if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN_NONCON) || (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX)) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } else { if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN) || (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX)) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } /* Check timeout is zero for Connectable Directed */ if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) && (params.getTimeout() != 0)) { /* Timeout must be 0 with this type, although we'll never get here */ /* since this isn't implemented yet anyway */ return BLE_ERROR_PARAM_OUT_OF_RANGE; } /* Check timeout for other advertising types */ if ((params.getAdvertisingType() != GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) && (params.getTimeout() > GAP_ADV_PARAMS_TIMEOUT_MAX)) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } tBleStatus ret; //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,'B','l','u','e','N','R','G'}; const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[5],device_name[6],device_name[7],device_name[8], device_name[9], device_name[10], device_name[11], device_name[12]}; /* disable scan response */ hci_le_set_scan_resp_data(0,NULL); /*aci_gap_set_discoverable(Advertising_Event_Type, Adv_min_intvl, Adv_Max_Intvl, Addr_Type, Adv_Filter_Policy, Local_Name_Length, local_name, service_uuid_length, service_uuid_list, Slave_conn_intvl_min, Slave_conn_intvl_max);*/ /*LINK_LAYER.H DESCRIBES THE ADVERTISING TYPES*/ ret = aci_gap_set_discoverable(params.getAdvertisingType(), params.getInterval(), 0, PUBLIC_ADDR, NO_WHITE_LIST_USE, 9 /*Length of the local_name[] array*/, local_name, 0, NULL, 0, 0); return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Stops the BLE HW and disconnects from any devices @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ ble_error_t BlueNRGGap::stopAdvertising(void) { return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Disconnects if we are connected to a central device @returns ble_error_t @retval BLE_ERROR_NONE Everything executed properly @section EXAMPLE @code @endcode */ /**************************************************************************/ ble_error_t BlueNRGGap::disconnect(void) { return BLE_ERROR_NONE; } /**************************************************************************/ /*! @brief Sets the 16-bit connection handle */ /**************************************************************************/ void BlueNRGGap::setConnectionHandle(uint16_t con_handle) { m_connectionHandle = con_handle; } /**************************************************************************/ /*! @brief Gets the 16-bit connection handle */ /**************************************************************************/ uint16_t BlueNRGGap::getConnectionHandle(void) { return m_connectionHandle; } /**************************************************************************/ /*! @brief Sets the BLE device address @returns ble_error_t @section EXAMPLE @code uint8_t device_address[6] = { 0xca, 0xfe, 0xf0, 0xf0, 0xf0, 0xf0 }; nrf.getGap().setAddress(Gap::ADDR_TYPE_RANDOM_STATIC, device_address); @endcode */ /**************************************************************************/ ble_error_t BlueNRGGap::setAddress(addr_type_t type, const uint8_t address[6]) { if (type > ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } return BLE_ERROR_NONE; }