Added support for obtaining BLE device name by parsing advertising data.
Fork of BLE_BlueNRG by
BlueNRGGap.cpp
- Committer:
- hemddabral
- Date:
- 2014-07-31
- Revision:
- 7:e293b0f43dc7
- Parent:
- 6:08cfc94b5f49
File content as of revision 7:e293b0f43dc7:
/* 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" #include "Payload.h" //Local Variables const uint8_t *device_name; Serial pc1(USBTX, USBRX); // tx, rx /**************************************************************************/ /*! @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; } else { //set the advData here in some local variable so that startAdvertising can use it. Payload load(advData.getPayload(), advData.getPayloadLen()); for(uint8_t index=0; index<load.getPayloadUnitCount(); index++) { //UnitPayload unitLoad = load.getPayLoadAtIndex(index); switch(load.getIDAtIndex(index)) { case GapAdvertisingData::FLAGS: /* ref *Flags */ break; case GapAdvertisingData::INCOMPLETE_LIST_16BIT_SERVICE_IDS: /**< Incomplete list of 16-bit Service IDs */ break; case GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS: /**< Complete list of 16-bit Service IDs */ break; case GapAdvertisingData::INCOMPLETE_LIST_32BIT_SERVICE_IDS: /**< Incomplete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */ break; case GapAdvertisingData::COMPLETE_LIST_32BIT_SERVICE_IDS: /**< Complete list of 32-bit Service IDs (not relevant for Bluetooth 4.0) */ break; case GapAdvertisingData::INCOMPLETE_LIST_128BIT_SERVICE_IDS: /**< Incomplete list of 128-bit Service IDs */ break; case GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS: /**< Complete list of 128-bit Service IDs */ break; case GapAdvertisingData::SHORTENED_LOCAL_NAME: /**< Shortened Local Name */ break; case GapAdvertisingData::COMPLETE_LOCAL_NAME: /**< Complete Local Name */ device_name = load.getDataAtIndex(index); break; case GapAdvertisingData::TX_POWER_LEVEL: /**< TX Power Level (in dBm) */ break; case GapAdvertisingData::DEVICE_ID: /**< Device ID */ break; case GapAdvertisingData::SLAVE_CONNECTION_INTERVAL_RANGE: /**< Slave :Connection Interval Range */ break; case GapAdvertisingData::SERVICE_DATA: /**< Service Data */ break; case GapAdvertisingData::APPEARANCE: /**< \ref Appearance */ break; case GapAdvertisingData::ADVERTISING_INTERVAL: /**< Advertising Interval */ break; case GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA: /**< Manufacturer Specific Data */ break; } } //const uint8_t *payload = 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[27],device_name[28],device_name[29],device_name[30], device_name[31], // device_name[32], device_name[33], device_name[34], device_name[35], device_name[36]}; #if 0 pc1.printf("Hello Teraterm\n"); /*const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[13],device_name[14],device_name[15],device_name[16], device_name[17], device_name[18], device_name[19], device_name[20], device_name[21], device_name[22]};*/ const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,'h', 'd', 'd'}; #else char *namePtr = new char[1+sizeof(device_name)]; namePtr[0] = AD_TYPE_COMPLETE_LOCAL_NAME; pc1.printf("now setting name to: %s...\n", device_name); pc1.printf("device_name length=%d", sizeof(namePtr)); int i=0; while(device_name[i]!=0) { namePtr[i+1] = device_name[i]; pc1.printf("%c\n", namePtr[i+1]); i++; } const char* local_name = (const char*)namePtr; #endif //const char local_name[] = {AD_TYPE_COMPLETE_LOCAL_NAME,device_name[27],device_name[28]}; const LongUUID_t HRM_SERVICE_UUID_128 = {0x18, 0x0D}; /* 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, 11 /*Length of the local_name[] array*/, local_name, 0, NULL, 0, 0); state.advertising = 1; 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 @endcode */ /**************************************************************************/ ble_error_t BlueNRGGap::setAddress(addr_type_t type, const uint8_t address[6]) { tBleStatus ret; if (type > ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } ret = aci_hal_write_config_data(CONFIG_DATA_PUBADDR_OFFSET, CONFIG_DATA_PUBADDR_LEN, (const tHalUint8*)address); //if (ret==BLE_STATUS_SUCCESS) return BLE_ERROR_NONE; //return BLE_ERROR_PARAM_OUT_OF_RANGE; }