Caching the advertising data and the scan response.
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Diff: MaximGap.cpp
- Revision:
- 0:b562096246b3
- Child:
- 1:4e764337d5c5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MaximGap.cpp Thu Mar 03 14:13:21 2016 +0000 @@ -0,0 +1,255 @@ +/******************************************************************************* + * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES + * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of Maxim Integrated + * Products, Inc. shall not be used except as stated in the Maxim Integrated + * Products, Inc. Branding Policy. + * + * The mere transfer of this software does not imply any licenses + * of trade secrets, proprietary technology, copyrights, patents, + * trademarks, maskwork rights, or any other form of intellectual + * property whatsoever. Maxim Integrated Products, Inc. retains all + * ownership rights. + ******************************************************************************* + */ + +#include "MaximGap.h" +#include "mbed.h" +#include "hci_vs.h" + +MaximGap &MaximGap::getInstance() { + static MaximGap m_instance; + return m_instance; +} + +ble_error_t MaximGap::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 advertising and scan response data for discoverable mode */ + DmAdvSetData(DM_DATA_LOC_ADV, advData.getPayloadLen(), (uint8_t*)advData.getPayload()); + DmAdvSetData(DM_DATA_LOC_SCAN, scanResponse.getPayloadLen(), (uint8_t*)scanResponse.getPayload()); + + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::startAdvertising(const GapAdvertisingParams ¶ms) +{ + /* Make sure we support the advertising type */ + if (params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) { + /* ToDo: This requires a proper 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() < GapAdvertisingParams::GAP_ADV_PARAMS_INTERVAL_MIN_NONCON) || + (params.getInterval() > GapAdvertisingParams::GAP_ADV_PARAMS_INTERVAL_MAX)) { + return BLE_ERROR_PARAM_OUT_OF_RANGE; + } + } else { + if ((params.getInterval() < GapAdvertisingParams::GAP_ADV_PARAMS_INTERVAL_MIN) || + (params.getInterval() > 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; + } + + DmAdvSetInterval(params.getInterval(), params.getInterval()); + DmAdvStart(params.getAdvertisingType(), params.getTimeout()); + + state.advertising = 1; + + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::stopAdvertising(void) +{ + DmAdvStop(); + + state.advertising = 0; + + return BLE_ERROR_NONE; +} + +void MaximGap::advertisingStopped(void) +{ + /* If advertising stopped due to a call to stopAdvertising(), state.advertising will + * be '0.' Otherwise, advertising must have stopped due to a timeout + */ + if (state.advertising) { + processTimeoutEvent(Gap::TIMEOUT_SRC_ADVERTISING); + } +} + +ble_error_t MaximGap::disconnect(DisconnectionReason_t reason) +{ + DmConnClose(DM_CLIENT_ID_APP, m_connectionHandle, reason); + + state.advertising = 0; + state.connected = 0; + + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::disconnect(Handle_t connectionHandle, DisconnectionReason_t reason) +{ + DmConnClose(DM_CLIENT_ID_APP, connectionHandle, reason); + + state.advertising = 0; + state.connected = 0; + + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::getPreferredConnectionParams(ConnectionParams_t *params) +{ + return BLE_ERROR_NOT_IMPLEMENTED; +} + +ble_error_t MaximGap::setPreferredConnectionParams(const ConnectionParams_t *params) +{ + return BLE_ERROR_NOT_IMPLEMENTED; +} + +ble_error_t MaximGap::updateConnectionParams(Handle_t handle, const ConnectionParams_t *newParams) +{ + if (DmConnCheckIdle(handle) != 0) { + return BLE_STACK_BUSY; + } + + hciConnSpec_t connSpec; + connSpec.connIntervalMin = newParams->minConnectionInterval; + connSpec.connIntervalMax = newParams->maxConnectionInterval; + connSpec.connLatency = newParams->slaveLatency; + connSpec.supTimeout = newParams->connectionSupervisionTimeout; + DmConnUpdate(handle, &connSpec); + + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::startRadioScan(const GapScanningParams &scanningParams) +{ + DmScanSetInterval(scanningParams.getInterval(), scanningParams.getWindow()); + + uint8_t scanType = scanningParams.getActiveScanning() ? DM_SCAN_TYPE_ACTIVE : DM_SCAN_TYPE_PASSIVE; + uint32_t duration = (uint32_t)scanningParams.getTimeout() * 1000; + if (duration > 0xFFFF) { + // saturate to 16-bits + duration = 0xFFFF; + } + + DmScanStart(DM_DISC_MODE_NONE, scanType, TRUE, duration); + + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::stopScan(void) +{ + DmScanStop(); + return BLE_ERROR_NONE; +} + +void MaximGap::setConnectionHandle(uint16_t connectionHandle) +{ + m_connectionHandle = connectionHandle; +} + +uint16_t MaximGap::getConnectionHandle(void) +{ + return m_connectionHandle; +} + +ble_error_t MaximGap::setAddress(AddressType_t type, const Address_t address) +{ + if ((type != ADDR_TYPE_PUBLIC) && (type != ADDR_TYPE_RANDOM_STATIC)) { + return BLE_ERROR_PARAM_OUT_OF_RANGE; + } + + m_type = type; + HciVsSetPublicAddr((uint8_t*)address); + + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::getAddress(AddressType_t *typeP, Address_t address) +{ + *typeP = m_type; + BdaCpy(address, HciGetBdAddr()); + return BLE_ERROR_NONE; +} + +ble_error_t MaximGap::setDeviceName(const uint8_t *deviceName) +{ + return BLE_ERROR_NOT_IMPLEMENTED; +} + +ble_error_t MaximGap::getDeviceName(uint8_t *deviceName, unsigned *lengthP) +{ + return BLE_ERROR_NOT_IMPLEMENTED; +} + +ble_error_t MaximGap::setAppearance(GapAdvertisingData::Appearance appearance) +{ + return BLE_ERROR_NOT_IMPLEMENTED; +} + +ble_error_t MaximGap::getAppearance(GapAdvertisingData::Appearance *appearanceP) +{ + return BLE_ERROR_NOT_IMPLEMENTED; +} + +ble_error_t MaximGap::setTxPower(int8_t txPower) +{ + HciVsSetTxPower(txPower); + return BLE_ERROR_NONE; +} + +void MaximGap::getPermittedTxPowerValues(const int8_t **valueArrayPP, size_t *countP) +{ + static const int8_t permittedTxValues[] = { + -18, -15, -12, -9, -6, -3, 0, 3 + }; + + *valueArrayPP = permittedTxValues; + *countP = sizeof(permittedTxValues) / sizeof(int8_t); +}