initial creation of nRF52840 BLE target implementation "NRF5_SDK13" as a copy of "NRF5"

Author: nvlsianpu

features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NRF5_SDK13/CHANGELOG.md

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+Copyright (c) 2015 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.

features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NRF5_SDK13/apache-2.0.txt

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+/*
+ * S110/S120/S130 License Agreement
+ *
+ * Copyright (c) 2015, Nordic Semiconductor ASA, All rights reserved.
+ *
+ * Redistribution. Redistribution and use in binary form, without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * • Redistributions must reproduce the above copyright notice and the following
+ *   disclaimer in the documentation and/or other materials provided with the
+ *   distribution.
+ * • Neither the name of the copyright holder nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ * • No reverse engineering, decompilation, or disassembly of this software is
+ *   permitted.
+ *
+ * DISCLAIMER.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * /

features/FEATURE_BLE/targets/TARGET_NORDIC/TARGET_NRF5_SDK13/softdevice_nrf51822_licence_agreement.txt

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+/* 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 "common/common.h"
+#include "nordic_common.h"
+
+#include "btle.h"
+#include "btle_clock.h"
+
+#include "ble_flash.h"
+#include "ble_conn_params.h"
+
+#include "btle_gap.h"
+#include "btle_advertising.h"
+#include "custom/custom_helper.h"
+
+#include "ble/GapEvents.h"
+#include "nRF5xn.h"
+
+#ifdef S110
+    #define IS_LEGACY_DEVICE_MANAGER_ENABLED 1
+#elif defined(S130) || defined(S132)
+    #define IS_LEGACY_DEVICE_MANAGER_ENABLED 0
+#endif
+
+extern "C" {
+#if (IS_LEGACY_DEVICE_MANAGER_ENABLED)
+    #include "pstorage.h"
+    #include "device_manager.h"
+#else
+    #include "fstorage.h"
+    #include "fds.h"
+    #include "peer_manager.h"
+    #include "ble_conn_state.h"
+#endif
+
+#include "softdevice_handler.h"
+#include "ble_stack_handler_types.h"
+}
+
+#include "ble_hci.h"
+#include "btle_discovery.h"
+
+#include "nRF5xGattClient.h"
+#include "nRF5xServiceDiscovery.h"
+#include "nRF5xCharacteristicDescriptorDiscoverer.h"
+
+
+bool isEventsSignaled = false;
+
+extern "C" void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name);
+void            app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t *p_file_name);
+extern "C" void SD_EVT_IRQHandler(void); // export the softdevice event handler for registration by nvic-set-vector.
+
+
+static void btle_handler(ble_evt_t *p_ble_evt);
+
+#if 0
+#define CENTRAL_LINK_COUNT    (YOTTA_CFG_NORDIC_BLE_CENTRAL_LINKS)  /**<number of central links used by the application. When changing this number remember to adjust the RAM settings */
+                                                                       /** If value for YOTTA_CFG_NORDIC_BLE_PERIPHERAL_LINKS was used, ram settings are adjusted by the yotta target module. */
+#define PERIPHERAL_LINK_COUNT (YOTTA_CFG_NORDIC_BLE_PERIPHERAL_LINKS)     /**<number of peripheral links used by the application. When changing this number remember to adjust the RAM settings*/
+                                                                       /** If value for YOTTA_CFG_NORDIC_BLE_CENTRAL_LINKS was used, ram settings are adjusted by the yotta target module. */
+#define GATTS_ATTR_TAB_SIZE (YOTTA_CFG_NORDIC_BLE_GATTS_ATTR_TAB_SIZE) /**< GATTS attribite table size. */
+                                                                       /** If value for YOTTA_CFG_NORDIC_BLE_GATTS_ATTR_TAB_SIZE was used, ram settings are adjusted by the yotta target module. */
+#else
+#define CENTRAL_LINK_COUNT    3  /**<number of central links used by the application. When changing this number remember to adjust the RAM settings */
+                                                                       /** If value for YOTTA_CFG_NORDIC_BLE_PERIPHERAL_LINKS was used, ram settings are adjusted by the yotta target module. */
+#define PERIPHERAL_LINK_COUNT 1     /**<number of peripheral links used by the application. When changing this number remember to adjust the RAM settings*/
+                                                                       /** If value for YOTTA_CFG_NORDIC_BLE_CENTRAL_LINKS was used, ram settings are adjusted by the yotta target module. */
+#define GATTS_ATTR_TAB_SIZE 0x600 /**< GATTS attribite table size. */
+                                                                       /** If value for YOTTA_CFG_NORDIC_BLE_GATTS_ATTR_TAB_SIZE was used, ram settings are adjusted by the yotta target module. */
+
+#endif
+
+static void sys_evt_dispatch(uint32_t sys_evt)
+{
+#if (IS_LEGACY_DEVICE_MANAGER_ENABLED)
+    pstorage_sys_event_handler(sys_evt);
+#else
+    // Forward Softdevice events to the fstorage module
+    fs_sys_event_handler(sys_evt);
+#endif
+}
+
+/**
+ * This function is called in interrupt context to handle BLE events; i.e. pull
+ * system and user events out of the pending events-queue of the BLE stack. The
+ * BLE stack signals the availability of events by the triggering the SWI2
+ * interrupt, which forwards the handling to this function.
+ *
+ * The event processing loop is implemented in intern_softdevice_events_execute().
+ *
+ * This function will signal to the user code by calling signalEventsToProcess
+ * that their is events to process and BLE::processEvents should be called.
+ */
+static uint32_t signalEvent()
+{
+    if(isEventsSignaled == false) {
+        isEventsSignaled = true;
+        nRF5xn::Instance(BLE::DEFAULT_INSTANCE).signalEventsToProcess(BLE::DEFAULT_INSTANCE);
+    }
+    return NRF_SUCCESS;
+}
+
+
+error_t btle_init(void)
+{
+    nrf_clock_lf_cfg_t clockConfiguration;
+
+    // register softdevice handler vector
+    NVIC_SetVector(SD_EVT_IRQn, (uint32_t) SD_EVT_IRQHandler);
+    
+    // Configure the LF clock according to values provided by btle_clock.h.
+    // It is input from the chain of the yotta configuration system.
+    clockConfiguration.source        = LFCLK_CONF_SOURCE;
+    clockConfiguration.xtal_accuracy = LFCLK_CONF_ACCURACY;
+    clockConfiguration.rc_ctiv       = LFCLK_CONF_RC_CTIV;
+    clockConfiguration.rc_temp_ctiv  = LFCLK_CONF_RC_TEMP_CTIV;
+
+    SOFTDEVICE_HANDLER_INIT(&clockConfiguration, signalEvent);
+
+    // Enable BLE stack
+    /**
+     * Using this call, the application can select whether to include the
+     * Service Changed characteristic in the GATT Server. The default in all
+     * previous releases has been to include the Service Changed characteristic,
+     * but this affects how GATT clients behave. Specifically, it requires
+     * clients to subscribe to this attribute and not to cache attribute handles
+     * between connections unless the devices are bonded. If the application
+     * does not need to change the structure of the GATT server attributes at
+     * runtime this adds unnecessary complexity to the interaction with peer
+     * clients. If the SoftDevice is enabled with the Service Changed
+     * Characteristics turned off, then clients are allowed to cache attribute
+     * handles making applications simpler on both sides.
+     */
+    static const bool IS_SRVC_CHANGED_CHARACT_PRESENT = true;
+
+    ble_enable_params_t ble_enable_params;
+    uint32_t err_code = softdevice_enable_get_default_config(CENTRAL_LINK_COUNT,
+                                                    PERIPHERAL_LINK_COUNT,
+                                                    &ble_enable_params);
+
+    ble_enable_params.gatts_enable_params.attr_tab_size  = GATTS_ATTR_TAB_SIZE;
+    ble_enable_params.gatts_enable_params.service_changed  = IS_SRVC_CHANGED_CHARACT_PRESENT;
+    ble_enable_params.common_enable_params.vs_uuid_count = UUID_TABLE_MAX_ENTRIES;
+
+    if(err_code  != NRF_SUCCESS) {
+        return ERROR_INVALID_PARAM;
+    }
+
+    if (softdevice_enable(&ble_enable_params) != NRF_SUCCESS) {
+        return ERROR_INVALID_PARAM;
+    }
+
+    ble_gap_addr_t addr;
+    if (sd_ble_gap_address_get(&addr) != NRF_SUCCESS) {
+        return ERROR_INVALID_PARAM;
+    }
+    if (sd_ble_gap_address_set(BLE_GAP_ADDR_CYCLE_MODE_NONE, &addr) != NRF_SUCCESS) {
+        return ERROR_INVALID_PARAM;
+    }
+
+    ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler));
+    ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch));
+
+    return btle_gap_init();
+}
+
+static void btle_handler(ble_evt_t *p_ble_evt)
+{
+    /* Library service handlers */
+#if SDK_CONN_PARAMS_MODULE_ENABLE
+    ble_conn_params_on_ble_evt(p_ble_evt);
+#endif
+
+#if (IS_LEGACY_DEVICE_MANAGER_ENABLED)
+    dm_ble_evt_handler(p_ble_evt);
+#else
+    // Forward BLE events to the Connection State module.
+    // This must be called before any event handler that uses this module.
+    ble_conn_state_on_ble_evt(p_ble_evt);
+
+    // Forward BLE events to the Peer Manager
+    pm_on_ble_evt(p_ble_evt);
+#endif
+
+#if !defined(TARGET_MCU_NRF51_16K_S110) && !defined(TARGET_MCU_NRF51_32K_S110)
+    bleGattcEventHandler(p_ble_evt);
+#endif
+
+    nRF5xn               &ble             = nRF5xn::Instance(BLE::DEFAULT_INSTANCE);
+    nRF5xGap             &gap             = (nRF5xGap &) ble.getGap();
+    nRF5xGattServer      &gattServer      = (nRF5xGattServer &) ble.getGattServer();
+    nRF5xSecurityManager &securityManager = (nRF5xSecurityManager &) ble.getSecurityManager();
+
+    /* Custom event handler */
+    switch (p_ble_evt->header.evt_id) {
+        case BLE_GAP_EVT_CONNECTED: {
+            Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle;
+#if defined(TARGET_MCU_NRF51_16K_S110) || defined(TARGET_MCU_NRF51_32K_S110)
+            /* Only peripheral role is supported by S110 */
+            Gap::Role_t role = Gap::PERIPHERAL;
+#else
+            Gap::Role_t role = static_cast<Gap::Role_t>(p_ble_evt->evt.gap_evt.params.connected.role);
+#endif
+            gap.setConnectionHandle(handle);
+            const Gap::ConnectionParams_t *params = reinterpret_cast<Gap::ConnectionParams_t *>(&(p_ble_evt->evt.gap_evt.params.connected.conn_params));
+            const ble_gap_addr_t *peer = &p_ble_evt->evt.gap_evt.params.connected.peer_addr;
+            const ble_gap_addr_t *own  = &p_ble_evt->evt.gap_evt.params.connected.own_addr;
+            gap.processConnectionEvent(handle,
+                                                           role,
+                                                           static_cast<BLEProtocol::AddressType_t>(peer->addr_type), peer->addr,
+                                                           static_cast<BLEProtocol::AddressType_t>(own->addr_type),  own->addr,
+                                                           params);
+            break;
+        }
+
+        case BLE_GAP_EVT_DISCONNECTED: {
+            Gap::Handle_t handle = p_ble_evt->evt.gap_evt.conn_handle;
+            // Since we are not in a connection and have not started advertising,
+            // store bonds
+            gap.setConnectionHandle (BLE_CONN_HANDLE_INVALID);
+
+            Gap::DisconnectionReason_t reason;
+            switch (p_ble_evt->evt.gap_evt.params.disconnected.reason) {
+                case BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION:
+                    reason = Gap::LOCAL_HOST_TERMINATED_CONNECTION;
+                    break;
+                case BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION:
+                    reason = Gap::REMOTE_USER_TERMINATED_CONNECTION;
+                    break;
+                case BLE_HCI_CONN_INTERVAL_UNACCEPTABLE:
+                    reason = Gap::CONN_INTERVAL_UNACCEPTABLE;
+                    break;
+                default:
+                    /* Please refer to the underlying transport library for an
+                     * interpretion of this reason's value. */
+                    reason = static_cast<Gap::DisconnectionReason_t>(p_ble_evt->evt.gap_evt.params.disconnected.reason);
+                    break;
+            }
+
+#if !defined(TARGET_MCU_NRF51_16K_S110) && !defined(TARGET_MCU_NRF51_32K_S110)
+            // Close all pending discoveries for this connection
+            nRF5xGattClient& gattClient = ble.getGattClient();
+            gattClient.characteristicDescriptorDiscoverer().terminate(handle, BLE_ERROR_INVALID_STATE);
+            gattClient.discovery().terminate(handle);
+#endif
+
+            gap.processDisconnectionEvent(handle, reason);
+            break;
+        }
+
+        case BLE_GAP_EVT_PASSKEY_DISPLAY:
+            securityManager.processPasskeyDisplayEvent(p_ble_evt->evt.gap_evt.conn_handle, p_ble_evt->evt.gap_evt.params.passkey_display.passkey);
+            break;
+
+        case BLE_GAP_EVT_TIMEOUT:
+            gap.processTimeoutEvent(static_cast<Gap::TimeoutSource_t>(p_ble_evt->evt.gap_evt.params.timeout.src));
+            break;
+
+        case BLE_GATTC_EVT_TIMEOUT:
+        case BLE_GATTS_EVT_TIMEOUT:
+            // Disconnect on GATT Server and Client timeout events.
+            // ASSERT_STATUS_RET_VOID (sd_ble_gap_disconnect(m_conn_handle,
+            // BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION));
+            break;
+
+        case BLE_GAP_EVT_ADV_REPORT: {
+            const ble_gap_evt_adv_report_t *advReport = &p_ble_evt->evt.gap_evt.params.adv_report;
+            gap.processAdvertisementReport(advReport->peer_addr.addr,
+                                           advReport->rssi,
+                                           advReport->scan_rsp,
+                                           static_cast<GapAdvertisingParams::AdvertisingType_t>(advReport->type),
+                                           advReport->dlen,
+                                           advReport->data);
+            break;
+        }
+
+        default:
+            break;
+    }
+
+    gattServer.hwCallback(p_ble_evt);
+}
+
+/*! @brief      Callback when an error occurs inside the SoftDevice */
+void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name)
+{
+    ASSERT_TRUE(false, (void) 0);
+}
+
+/*!
+    @brief      Handler for general errors above the SoftDevice layer.
+                Typically we can' recover from this so we do a reset.
+*/
+void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t *p_file_name)
+{
+    ASSERT_STATUS_RET_VOID( error_code );
+    NVIC_SystemReset();
+}