Diff: nRF51822/btle/btle.cpp

Revision:

1:a607cd9655d7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nRF51822/btle/btle.cpp	Fri Oct 10 03:36:28 2014 +0000
@@ -0,0 +1,284 @@
+/* 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 "app_timer.h"
+#include "btle.h"
+
+#include "ble_stack_handler_types.h"
+#include "ble_radio_notification.h"
+#include "ble_flash.h"
+#if NEED_BOND_MANAGER
+#include "ble_bondmngr.h"
+#endif
+#include "ble_conn_params.h"
+
+#include "btle_gap.h"
+#include "btle_advertising.h"
+#include "custom/custom_helper.h"
+
+#include "softdevice_handler.h"
+#include "pstorage.h"
+
+#include "GapEvents.h"
+#include "nRF51Gap.h"
+#include "nRF51GattServer.h"
+
+#include "ble_hci.h"
+
+#if NEED_BOND_MANAGER /* disabled by default */
+static void service_error_callback(uint32_t nrf_error);
+#endif
+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);
+
+#if NEED_BOND_MANAGER /* disabled by default */
+static error_t bond_manager_init(void);
+#endif
+
+static void btle_handler(ble_evt_t *p_ble_evt);
+
+static void sys_evt_dispatch(uint32_t sys_evt)
+{
+#if NEED_PSTORAGE /* disabled by default */
+    pstorage_sys_event_handler(sys_evt);
+#endif
+}
+
+error_t btle_init(void)
+{
+    const bool useScheduler = false;
+#ifdef TARGET_HRM1017
+    SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION, useScheduler);
+#else
+    SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, useScheduler);
+#endif
+
+    // 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 enableParams = {
+        .gatts_enable_params = {
+            .service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT
+        }
+    };
+    if (sd_ble_enable(&enableParams) != 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));
+
+#if NEED_BOND_MANAGER /* disabled by default */
+    bond_manager_init();
+#endif
+    btle_gap_init();
+
+    return ERROR_NONE;
+}
+
+static void btle_handler(ble_evt_t *p_ble_evt)
+{
+    /* Library service handlers */
+#if NEED_BOND_MANAGER /* disabled by default */
+    ble_bondmngr_on_ble_evt(p_ble_evt);
+#endif
+#if SDK_CONN_PARAMS_MODULE_ENABLE
+    ble_conn_params_on_ble_evt(p_ble_evt);
+#endif
+
+    /* 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;
+            nRF51Gap::getInstance().setConnectionHandle(handle);
+            const Gap::ConnectionParams_t *params = reinterpret_cast<Gap::ConnectionParams_t *>(&(p_ble_evt->evt.gap_evt.params.connected.conn_params));
+            nRF51Gap::getInstance().processConnectionEvent(handle, 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
+            nRF51Gap::getInstance().setConnectionHandle (BLE_CONN_HANDLE_INVALID);
+#if NEED_BOND_MANAGER /* disabled by default */
+            ASSERT_STATUS_RET_VOID ( ble_bondmngr_bonded_centrals_store());
+#endif
+
+            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;
+            }
+            nRF51Gap::getInstance().processDisconnectionEvent(handle, reason);
+            break;
+        }
+
+        case BLE_GAP_EVT_SEC_PARAMS_REQUEST: {
+            ble_gap_sec_params_t sec_params = {0};
+
+            sec_params.timeout      = 30; /*< Timeout for Pairing Request or
+                                   * Security Request (in seconds). */
+            sec_params.bond         = 1;  /**< Perform bonding. */
+            sec_params.mitm         = CFG_BLE_SEC_PARAM_MITM;
+            sec_params.io_caps      = CFG_BLE_SEC_PARAM_IO_CAPABILITIES;
+            sec_params.oob          = CFG_BLE_SEC_PARAM_OOB;
+            sec_params.min_key_size = CFG_BLE_SEC_PARAM_MIN_KEY_SIZE;
+            sec_params.max_key_size = CFG_BLE_SEC_PARAM_MAX_KEY_SIZE;
+
+            ASSERT_STATUS_RET_VOID(sd_ble_gap_sec_params_reply(nRF51Gap::getInstance().getConnectionHandle(),
+                                                               BLE_GAP_SEC_STATUS_SUCCESS, &sec_params));
+        }
+        break;
+
+        case BLE_GAP_EVT_TIMEOUT:
+            if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_ADVERTISEMENT) {
+                nRF51Gap::getInstance().processEvent(GapEvents::GAP_EVENT_TIMEOUT);
+            }
+            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;
+
+        default:
+            break;
+    }
+
+    nRF51GattServer::getInstance().hwCallback(p_ble_evt);
+}
+
+#if NEED_BOND_MANAGER /* disabled by default */
+/**************************************************************************/
+/*!
+    @brief      Initialises the bond manager
+
+    @note       Bond data will be cleared on reset if the bond delete
+                button is pressed during initialisation (the button is
+                defined as CFG_BLE_BOND_DELETE_BUTTON_NUM).
+
+    @returns
+*/
+/**************************************************************************/
+static error_t bond_manager_init(void)
+{
+    ble_bondmngr_init_t bond_para = {0};
+
+    ASSERT_STATUS ( pstorage_init());
+
+    bond_para.flash_page_num_bond     = CFG_BLE_BOND_FLASH_PAGE_BOND;
+    bond_para.flash_page_num_sys_attr = CFG_BLE_BOND_FLASH_PAGE_SYS_ATTR;
+    //bond_para.bonds_delete            = boardButtonCheck(CFG_BLE_BOND_DELETE_BUTTON_NUM) ;
+    bond_para.evt_handler   = NULL;
+    bond_para.error_handler = service_error_callback;
+
+    ASSERT_STATUS( ble_bondmngr_init( &bond_para ));
+
+    /* Init radio active/inactive notification to flash (to only perform flashing when the radio is inactive) */
+    //  ASSERT_STATUS( ble_radio_notification_init(NRF_APP_PRIORITY_HIGH,
+    //                                             NRF_RADIO_NOTIFICATION_DISTANCE_4560US,
+    //                                             ble_flash_on_radio_active_evt) );
+
+    return ERROR_NONE;
+}
+#endif // #if NEED_BOND_MANAGER
+
+#if NEED_BOND_MANAGER /* disabled by default */
+/**************************************************************************/
+/*!
+    @brief
+    @param[in]  nrf_error
+    @returns
+*/
+/**************************************************************************/
+static void service_error_callback(uint32_t nrf_error)
+{
+    ASSERT_STATUS_RET_VOID( nrf_error );
+}
+#endif // #if NEED_BOND_MANAGER
+
+/**************************************************************************/
+/*!
+    @brief      Callback when an error occurs inside the SoftDevice
+
+    @param[in]  line_num
+    @param[in]  p-file_name
+
+    @returns
+*/
+/**************************************************************************/
+void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name)
+{
+    ASSERT(false, (void) 0);
+}
+
+/**************************************************************************/
+/*!
+    @brief      Handler for general errors above the SoftDevice layer.
+                Typically we can' recover from this so we do a reset.
+
+    @param[in]  error_code
+    @param[in]  line_num
+    @param[in]  p-file_name
+
+    @returns
+*/
+/**************************************************************************/
+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();
+}