Nordic Semiconductor
/
nRF51822
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Dependents: BLE_ANCS_SDAPI BLE_temperature BLE_HeartRate writable_gatt ... more
Diff: source/nRF51Gap.cpp
- Revision:
- 372:758e9a3a346a
- Parent:
- 371:8f7d2137727a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/source/nRF51Gap.cpp Mon Jul 06 10:21:00 2015 +0100
@@ -0,0 +1,465 @@
+/* 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 "nRF51Gap.h"
+#include "mbed.h"
+
+#include "common/common.h"
+#include "ble_advdata.h"
+#include "ble_hci.h"
+
+nRF51Gap &nRF51Gap::getInstance() {
+ static nRF51Gap m_instance;
+ return m_instance;
+}
+
+/**************************************************************************/
+/*!
+ @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 nRF51Gap::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 nRF51Gap::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() < 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;
+ }
+
+ /* 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.getInterval(); // 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 nRF51Gap::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 nRF51Gap::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.active = 0; /**< If 1, perform active scanning (scan requests). */
+ 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.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.interval = 500; /**< Scan interval between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
+ scanParams.window = 200; /**< Scan window between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
+ scanParams.timeout = 0; /**< 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 nRF51Gap::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 nRF51Gap::disconnect(DisconnectionReason_t reason)
+{
+ return disconnect(m_connectionHandle, reason);
+}
+
+ble_error_t nRF51Gap::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 nRF51Gap::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 nRF51Gap::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 nRF51Gap::setConnectionHandle(uint16_t con_handle)
+{
+ m_connectionHandle = con_handle;
+}
+
+/**************************************************************************/
+/*!
+ @brief Gets the 16-bit connection handle
+*/
+/**************************************************************************/
+uint16_t nRF51Gap::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 nRF51Gap::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 nRF51Gap::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 nRF51Gap::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 nRF51Gap::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 nRF51Gap::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 nRF51Gap::getAppearance(GapAdvertisingData::Appearance *appearanceP)
+{
+ if (sd_ble_gap_appearance_get(reinterpret_cast<uint16_t *>(appearanceP))) {
+ 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 nRF51Gap::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 nRF51Gap::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);
+}
\ No newline at end of file
