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source/nRF5xGap.cpp
- Committer:
- rgrover1
- Date:
- 2015-11-02
- Revision:
- 452:82d81b02ef87
- Parent:
- 417:d79a89cccddd
- Child:
- 453:38a41862ab4c
File content as of revision 452:82d81b02ef87:
/* 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 "nRF5xGap.h" #include "mbed.h" #include "common/common.h" #include "ble_advdata.h" #include "ble_hci.h" nRF5xGap &nRF5xGap::getInstance() { static nRF5xGap m_instance; return m_instance; } void radioNotificationStaticCallback(bool param) { nRF5xGap::getInstance().processRadioNotificationEvent(param); } /**************************************************************************/ /*! @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 nRF5xGap::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; } /* Check the scan response payload limits */ //if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED)) //{ // /* Check if we're within the upper limit */ // 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; // } //} /* Send advertising data! */ ASSERT(ERROR_NONE == sd_ble_gap_adv_data_set(advData.getPayload(), advData.getPayloadLen(), scanResponse.getPayload(), scanResponse.getPayloadLen()), BLE_ERROR_PARAM_OUT_OF_RANGE); /* Make sure the GAP Service appearance value is aligned with the *appearance from GapAdvertisingData */ ASSERT(ERROR_NONE == sd_ble_gap_appearance_set(advData.getAppearance()), BLE_ERROR_PARAM_OUT_OF_RANGE); /* ToDo: Perform some checks on the payload, for example the Scan Response can't */ /* contains a flags AD type, etc. */ 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 nRF5xGap::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.getIntervalInADVUnits() < GapAdvertisingParams::GAP_ADV_PARAMS_INTERVAL_MIN_NONCON) || (params.getIntervalInADVUnits() > GapAdvertisingParams::GAP_ADV_PARAMS_INTERVAL_MAX)) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } else { if ((params.getIntervalInADVUnits() < GapAdvertisingParams::GAP_ADV_PARAMS_INTERVAL_MIN) || (params.getIntervalInADVUnits() > GapAdvertisingParams::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() > GapAdvertisingParams::GAP_ADV_PARAMS_TIMEOUT_MAX)) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } /* Start Advertising */ ble_gap_adv_params_t adv_para = {0}; adv_para.type = params.getAdvertisingType(); adv_para.p_peer_addr = NULL; // Undirected advertisement adv_para.fp = BLE_GAP_ADV_FP_ANY; adv_para.p_whitelist = NULL; adv_para.interval = params.getIntervalInADVUnits(); // advertising interval (in units of 0.625 ms) adv_para.timeout = params.getTimeout(); ASSERT(ERROR_NONE == sd_ble_gap_adv_start(&adv_para), BLE_ERROR_PARAM_OUT_OF_RANGE); 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 nRF5xGap::stopAdvertising(void) { /* Stop Advertising */ ASSERT(ERROR_NONE == sd_ble_gap_adv_stop(), BLE_ERROR_PARAM_OUT_OF_RANGE); state.advertising = 0; return BLE_ERROR_NONE; } ble_error_t nRF5xGap::connect(const Address_t peerAddr, Gap::AddressType_t peerAddrType, const ConnectionParams_t *connectionParams, const GapScanningParams *scanParamsIn) { ble_gap_addr_t addr; addr.addr_type = peerAddrType; memcpy(addr.addr, peerAddr, Gap::ADDR_LEN); ble_gap_conn_params_t connParams; if (connectionParams != NULL) { connParams.min_conn_interval = connectionParams->minConnectionInterval; connParams.max_conn_interval = connectionParams->maxConnectionInterval; connParams.slave_latency = connectionParams->slaveLatency; connParams.conn_sup_timeout = connectionParams->connectionSupervisionTimeout; } else { connParams.min_conn_interval = 50; connParams.max_conn_interval = 100; connParams.slave_latency = 0; connParams.conn_sup_timeout = 600; } ble_gap_scan_params_t scanParams; scanParams.selective = 0; /**< If 1, ignore unknown devices (non whitelisted). */ scanParams.p_whitelist = NULL; /**< Pointer to whitelist, NULL if none is given. */ if (scanParamsIn != NULL) { scanParams.active = scanParamsIn->getActiveScanning(); /**< If 1, perform active scanning (scan requests). */ scanParams.interval = scanParamsIn->getInterval(); /**< Scan interval between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */ scanParams.window = scanParamsIn->getWindow(); /**< Scan window between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */ scanParams.timeout = scanParamsIn->getTimeout(); /**< Scan timeout between 0x0001 and 0xFFFF in seconds, 0x0000 disables timeout. */ } else { scanParams.active = _scanningParams.getActiveScanning(); /**< If 1, perform active scanning (scan requests). */ scanParams.interval = _scanningParams.getInterval(); /**< Scan interval between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */ scanParams.window = _scanningParams.getWindow(); /**< Scan window between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */ scanParams.timeout = _scanningParams.getTimeout(); /**< Scan timeout between 0x0001 and 0xFFFF in seconds, 0x0000 disables timeout. */ } uint32_t rc = sd_ble_gap_connect(&addr, &scanParams, &connParams); if (rc == NRF_SUCCESS) { return BLE_ERROR_NONE; } switch (rc) { case NRF_ERROR_INVALID_ADDR: return BLE_ERROR_INVALID_PARAM; case NRF_ERROR_INVALID_PARAM: return BLE_ERROR_INVALID_PARAM; case NRF_ERROR_INVALID_STATE: return BLE_ERROR_INVALID_STATE; case BLE_ERROR_GAP_INVALID_BLE_ADDR: return BLE_ERROR_INVALID_PARAM; case NRF_ERROR_NO_MEM: return BLE_ERROR_NO_MEM; case NRF_ERROR_BUSY: return BLE_STACK_BUSY; default: case BLE_ERROR_GAP_WHITELIST_IN_USE: return BLE_ERROR_UNSPECIFIED; } } ble_error_t nRF5xGap::disconnect(Handle_t connectionHandle, DisconnectionReason_t reason) { state.advertising = 0; state.connected = 0; uint8_t code = BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION; switch (reason) { case REMOTE_USER_TERMINATED_CONNECTION: code = BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION; break; case CONN_INTERVAL_UNACCEPTABLE: code = BLE_HCI_CONN_INTERVAL_UNACCEPTABLE; break; default: break; } /* Disconnect if we are connected to a central device */ ASSERT_INT(ERROR_NONE, sd_ble_gap_disconnect(connectionHandle, code), BLE_ERROR_PARAM_OUT_OF_RANGE); 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 */ ble_error_t nRF5xGap::disconnect(DisconnectionReason_t reason) { return disconnect(m_connectionHandle, reason); } ble_error_t nRF5xGap::getPreferredConnectionParams(ConnectionParams_t *params) { ASSERT_INT(NRF_SUCCESS, sd_ble_gap_ppcp_get(reinterpret_cast<ble_gap_conn_params_t *>(params)), BLE_ERROR_PARAM_OUT_OF_RANGE); return BLE_ERROR_NONE; } ble_error_t nRF5xGap::setPreferredConnectionParams(const ConnectionParams_t *params) { ASSERT_INT(NRF_SUCCESS, sd_ble_gap_ppcp_set(reinterpret_cast<const ble_gap_conn_params_t *>(params)), BLE_ERROR_PARAM_OUT_OF_RANGE); return BLE_ERROR_NONE; } ble_error_t nRF5xGap::updateConnectionParams(Handle_t handle, const ConnectionParams_t *newParams) { uint32_t rc; rc = sd_ble_gap_conn_param_update(handle, reinterpret_cast<ble_gap_conn_params_t *>(const_cast<ConnectionParams_t*>(newParams))); if (rc == NRF_SUCCESS) { return BLE_ERROR_NONE; } else { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } /**************************************************************************/ /*! @brief Sets the 16-bit connection handle */ /**************************************************************************/ void nRF5xGap::setConnectionHandle(uint16_t con_handle) { m_connectionHandle = con_handle; } /**************************************************************************/ /*! @brief Gets the 16-bit connection handle */ /**************************************************************************/ uint16_t nRF5xGap::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 nRF5xGap::setAddress(AddressType_t type, const Address_t address) { if (type > ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } ble_gap_addr_t dev_addr; dev_addr.addr_type = type; memcpy(dev_addr.addr, address, ADDR_LEN); ASSERT_INT(ERROR_NONE, sd_ble_gap_address_set(BLE_GAP_ADDR_CYCLE_MODE_NONE, &dev_addr), BLE_ERROR_PARAM_OUT_OF_RANGE); return BLE_ERROR_NONE; } ble_error_t nRF5xGap::getAddress(AddressType_t *typeP, Address_t address) { ble_gap_addr_t dev_addr; if (sd_ble_gap_address_get(&dev_addr) != NRF_SUCCESS) { return BLE_ERROR_PARAM_OUT_OF_RANGE; } if (typeP != NULL) { *typeP = static_cast<AddressType_t>(dev_addr.addr_type); } if (address != NULL) { memcpy(address, dev_addr.addr, ADDR_LEN); } return BLE_ERROR_NONE; } ble_error_t nRF5xGap::setDeviceName(const uint8_t *deviceName) { ble_gap_conn_sec_mode_t sec_mode; BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); // no security is needed if (sd_ble_gap_device_name_set(&sec_mode, deviceName, strlen((const char *)deviceName)) == NRF_SUCCESS) { return BLE_ERROR_NONE; } else { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } ble_error_t nRF5xGap::getDeviceName(uint8_t *deviceName, unsigned *lengthP) { if (sd_ble_gap_device_name_get(deviceName, (uint16_t *)lengthP) == NRF_SUCCESS) { return BLE_ERROR_NONE; } else { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } ble_error_t nRF5xGap::setAppearance(GapAdvertisingData::Appearance appearance) { if (sd_ble_gap_appearance_set(appearance) == NRF_SUCCESS) { return BLE_ERROR_NONE; } else { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } ble_error_t nRF5xGap::getAppearance(GapAdvertisingData::Appearance *appearanceP) { if ((sd_ble_gap_appearance_get(reinterpret_cast<uint16_t *>(appearanceP)) == NRF_SUCCESS)) { return BLE_ERROR_NONE; } else { return BLE_ERROR_PARAM_OUT_OF_RANGE; } } /* (Valid values are -40, -20, -16, -12, -8, -4, 0, 4) */ ble_error_t nRF5xGap::setTxPower(int8_t txPower) { unsigned rc; if ((rc = sd_ble_gap_tx_power_set(txPower)) != NRF_SUCCESS) { switch (rc) { case NRF_ERROR_BUSY: return BLE_STACK_BUSY; case NRF_ERROR_INVALID_PARAM: default: return BLE_ERROR_PARAM_OUT_OF_RANGE; } } return BLE_ERROR_NONE; } void nRF5xGap::getPermittedTxPowerValues(const int8_t **valueArrayPP, size_t *countP) { static const int8_t permittedTxValues[] = { -40, -30, -20, -16, -12, -8, -4, 0, 4 }; *valueArrayPP = permittedTxValues; *countP = sizeof(permittedTxValues) / sizeof(int8_t); }