Interactive Device Design / simpleBLEControl

mediCAL's first BLE project

Dependents:   BLE_mediCAL

Fork of nRF51822 by Nordic Semiconductor

btle/btle.cpp@34:48d24b1d2fe6, 2014-06-27 (annotated)

Committer:
Rohit Grover
Date:
Fri Jun 27 13:53:59 2014 +0100
Revision:
34:48d24b1d2fe6
Parent:
33:8efbbf54b66f
Child:
37:c29c330d942c
remove comment headers in some cases; minor fixes to comments

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rohit Grover 22:c6ee8136847e 1 /* mbed Microcontroller Library
Rohit Grover 22:c6ee8136847e 2 * Copyright (c) 2006-2013 ARM Limited
Rohit Grover 22:c6ee8136847e 3 *
Rohit Grover 22:c6ee8136847e 4 * Licensed under the Apache License, Version 2.0 (the "License");
Rohit Grover 22:c6ee8136847e 5 * you may not use this file except in compliance with the License.
Rohit Grover 22:c6ee8136847e 6 * You may obtain a copy of the License at
Rohit Grover 22:c6ee8136847e 7 *
Rohit Grover 22:c6ee8136847e 8 * http://www.apache.org/licenses/LICENSE-2.0
Rohit Grover 22:c6ee8136847e 9 *
Rohit Grover 22:c6ee8136847e 10 * Unless required by applicable law or agreed to in writing, software
Rohit Grover 22:c6ee8136847e 11 * distributed under the License is distributed on an "AS IS" BASIS,
Rohit Grover 22:c6ee8136847e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Rohit Grover 22:c6ee8136847e 13 * See the License for the specific language governing permissions and
Rohit Grover 22:c6ee8136847e 14 * limitations under the License.
Rohit Grover 22:c6ee8136847e 15 */
Rohit Grover 22:c6ee8136847e 16 #include "common/common.h"
Rohit Grover 22:c6ee8136847e 17
Rohit Grover 22:c6ee8136847e 18 #include "app_timer.h"
Rohit Grover 22:c6ee8136847e 19 #include "btle.h"
Rohit Grover 22:c6ee8136847e 20
Rohit Grover 22:c6ee8136847e 21 #include "ble_stack_handler_types.h"
Rohit Grover 22:c6ee8136847e 22 #include "ble_radio_notification.h"
Rohit Grover 22:c6ee8136847e 23 #include "ble_flash.h"
Rohit Grover 22:c6ee8136847e 24 #include "ble_bondmngr.h"
Rohit Grover 22:c6ee8136847e 25 #include "ble_conn_params.h"
Rohit Grover 22:c6ee8136847e 26
Rohit Grover 22:c6ee8136847e 27 #include "btle_gap.h"
Rohit Grover 22:c6ee8136847e 28 #include "btle_advertising.h"
Rohit Grover 22:c6ee8136847e 29 #include "custom/custom_helper.h"
Rohit Grover 22:c6ee8136847e 30
Rohit Grover 22:c6ee8136847e 31 #include "nordic_common.h"
Rohit Grover 22:c6ee8136847e 32 #include "softdevice_handler.h"
Rohit Grover 22:c6ee8136847e 33 #include "pstorage.h"
Rohit Grover 22:c6ee8136847e 34
Rohit Grover 22:c6ee8136847e 35 #include "hw/GapEvents.h"
Rohit Grover 22:c6ee8136847e 36 #include "nRF51Gap.h"
Rohit Grover 22:c6ee8136847e 37 #include "nRF51GattServer.h"
Rohit Grover 22:c6ee8136847e 38
Rohit Grover 32:84dea0924a63 39 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 40 static void service_error_callback(uint32_t nrf_error);
Rohit Grover 32:84dea0924a63 41 #endif
Rohit Grover 22:c6ee8136847e 42 void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name);
Rohit Grover 22:c6ee8136847e 43 void app_error_handler(uint32_t error_code,
Rohit Grover 22:c6ee8136847e 44 uint32_t line_num,
Rohit Grover 22:c6ee8136847e 45 const uint8_t *p_file_name);
Rohit Grover 22:c6ee8136847e 46
Rohit Grover 32:84dea0924a63 47 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 48 static error_t bond_manager_init(void);
Rohit Grover 32:84dea0924a63 49 #endif
Rohit Grover 22:c6ee8136847e 50
Rohit Grover 22:c6ee8136847e 51 static void btle_handler(ble_evt_t *p_ble_evt);
Rohit Grover 22:c6ee8136847e 52
Rohit Grover 22:c6ee8136847e 53 static void sys_evt_dispatch(uint32_t sys_evt)
Rohit Grover 22:c6ee8136847e 54 {
Rohit Grover 33:8efbbf54b66f 55 #if NEED_PSTORAGE /* disabled by default */
Rohit Grover 22:c6ee8136847e 56 pstorage_sys_event_handler(sys_evt);
Rohit Grover 33:8efbbf54b66f 57 #endif
Rohit Grover 22:c6ee8136847e 58 }
Rohit Grover 22:c6ee8136847e 59
Rohit Grover 22:c6ee8136847e 60 error_t btle_init(void)
Rohit Grover 22:c6ee8136847e 61 {
Rohit Grover 22:c6ee8136847e 62 APP_TIMER_INIT(0, 8, 5, false);
Rohit Grover 22:c6ee8136847e 63 SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false);
Rohit Grover 22:c6ee8136847e 64
Rohit Grover 22:c6ee8136847e 65 ASSERT_STATUS( softdevice_ble_evt_handler_set(btle_handler));
Rohit Grover 22:c6ee8136847e 66 ASSERT_STATUS( softdevice_sys_evt_handler_set(sys_evt_dispatch));
Rohit Grover 22:c6ee8136847e 67
Rohit Grover 32:84dea0924a63 68 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 69 bond_manager_init();
Rohit Grover 32:84dea0924a63 70 #endif
Rohit Grover 22:c6ee8136847e 71 btle_gap_init();
Rohit Grover 22:c6ee8136847e 72
Rohit Grover 22:c6ee8136847e 73 return ERROR_NONE;
Rohit Grover 22:c6ee8136847e 74 }
Rohit Grover 22:c6ee8136847e 75
Rohit Grover 22:c6ee8136847e 76 static void btle_handler(ble_evt_t *p_ble_evt)
Rohit Grover 22:c6ee8136847e 77 {
Rohit Grover 22:c6ee8136847e 78 /* Library service handlers */
Rohit Grover 32:84dea0924a63 79 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 80 ble_bondmngr_on_ble_evt(p_ble_evt);
Rohit Grover 32:84dea0924a63 81 #endif
Rohit Grover 22:c6ee8136847e 82 ble_conn_params_on_ble_evt(p_ble_evt);
Rohit Grover 22:c6ee8136847e 83
Rohit Grover 22:c6ee8136847e 84 /* Custom event handler */
Rohit Grover 22:c6ee8136847e 85 switch (p_ble_evt->header.evt_id) {
Rohit Grover 22:c6ee8136847e 86 case BLE_GAP_EVT_CONNECTED:
Rohit Grover 22:c6ee8136847e 87 nRF51Gap::getInstance().setConnectionHandle(
Rohit Grover 22:c6ee8136847e 88 p_ble_evt->evt.gap_evt.conn_handle );
Rohit Grover 22:c6ee8136847e 89 nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_CONNECTED);
Rohit Grover 22:c6ee8136847e 90 break;
Rohit Grover 22:c6ee8136847e 91
Rohit Grover 22:c6ee8136847e 92 case BLE_GAP_EVT_DISCONNECTED:
Rohit Grover 22:c6ee8136847e 93 // Since we are not in a connection and have not started advertising,
Rohit Grover 22:c6ee8136847e 94 // store bonds
Rohit Grover 22:c6ee8136847e 95 nRF51Gap::getInstance().setConnectionHandle (BLE_CONN_HANDLE_INVALID);
Rohit Grover 32:84dea0924a63 96 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 97 ASSERT_STATUS_RET_VOID ( ble_bondmngr_bonded_centrals_store());
Rohit Grover 32:84dea0924a63 98 #endif
Rohit Grover 22:c6ee8136847e 99 nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_DISCONNECTED);
Rohit Grover 22:c6ee8136847e 100 break;
Rohit Grover 22:c6ee8136847e 101
Rohit Grover 22:c6ee8136847e 102 case BLE_GAP_EVT_SEC_PARAMS_REQUEST: {
Rohit Grover 22:c6ee8136847e 103 ble_gap_sec_params_t sec_params = {0};
Rohit Grover 22:c6ee8136847e 104
Rohit Grover 22:c6ee8136847e 105 sec_params.timeout = 30; /*< Timeout for Pairing Request or
Rohit Grover 22:c6ee8136847e 106 * Security Request (in seconds). */
Rohit Grover 22:c6ee8136847e 107 sec_params.bond = 1; /**< Perform bonding. */
Rohit Grover 22:c6ee8136847e 108 sec_params.mitm = CFG_BLE_SEC_PARAM_MITM;
Rohit Grover 22:c6ee8136847e 109 sec_params.io_caps = CFG_BLE_SEC_PARAM_IO_CAPABILITIES;
Rohit Grover 22:c6ee8136847e 110 sec_params.oob = CFG_BLE_SEC_PARAM_OOB;
Rohit Grover 22:c6ee8136847e 111 sec_params.min_key_size = CFG_BLE_SEC_PARAM_MIN_KEY_SIZE;
Rohit Grover 22:c6ee8136847e 112 sec_params.max_key_size = CFG_BLE_SEC_PARAM_MAX_KEY_SIZE;
Rohit Grover 22:c6ee8136847e 113
Rohit Grover 22:c6ee8136847e 114 ASSERT_STATUS_RET_VOID(
Rohit Grover 22:c6ee8136847e 115 sd_ble_gap_sec_params_reply(nRF51Gap::getInstance().
Rohit Grover 22:c6ee8136847e 116 getConnectionHandle(),
Rohit Grover 22:c6ee8136847e 117 BLE_GAP_SEC_STATUS_SUCCESS,
Rohit Grover 22:c6ee8136847e 118 &sec_params));
Rohit Grover 22:c6ee8136847e 119 }
Rohit Grover 22:c6ee8136847e 120 break;
Rohit Grover 22:c6ee8136847e 121
Rohit Grover 22:c6ee8136847e 122 case BLE_GAP_EVT_TIMEOUT:
Rohit Grover 22:c6ee8136847e 123 if (p_ble_evt->evt.gap_evt.params.timeout.src ==
Rohit Grover 22:c6ee8136847e 124 BLE_GAP_TIMEOUT_SRC_ADVERTISEMENT) {
Rohit Grover 22:c6ee8136847e 125 nRF51Gap::getInstance().handleEvent(GapEvents::GAP_EVENT_TIMEOUT);
Rohit Grover 22:c6ee8136847e 126 }
Rohit Grover 22:c6ee8136847e 127 break;
Rohit Grover 22:c6ee8136847e 128
Rohit Grover 22:c6ee8136847e 129 case BLE_GATTC_EVT_TIMEOUT:
Rohit Grover 22:c6ee8136847e 130 case BLE_GATTS_EVT_TIMEOUT:
Rohit Grover 22:c6ee8136847e 131 // Disconnect on GATT Server and Client timeout events.
Rohit Grover 22:c6ee8136847e 132 // ASSERT_STATUS_RET_VOID (sd_ble_gap_disconnect(m_conn_handle,
Rohit Grover 22:c6ee8136847e 133 // BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION));
Rohit Grover 22:c6ee8136847e 134 break;
Rohit Grover 22:c6ee8136847e 135
Rohit Grover 22:c6ee8136847e 136 default:
Rohit Grover 22:c6ee8136847e 137 break;
Rohit Grover 22:c6ee8136847e 138 }
Rohit Grover 22:c6ee8136847e 139
Rohit Grover 22:c6ee8136847e 140 nRF51GattServer::getInstance().hwCallback(p_ble_evt);
Rohit Grover 22:c6ee8136847e 141 }
Rohit Grover 22:c6ee8136847e 142
Rohit Grover 32:84dea0924a63 143 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 144 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 145 /*!
Rohit Grover 22:c6ee8136847e 146 @brief Initialises the bond manager
Rohit Grover 22:c6ee8136847e 147
Rohit Grover 22:c6ee8136847e 148 @note Bond data will be cleared on reset if the bond delete
Rohit Grover 22:c6ee8136847e 149 button is pressed during initialisation (the button is
Rohit Grover 22:c6ee8136847e 150 defined as CFG_BLE_BOND_DELETE_BUTTON_NUM).
Rohit Grover 22:c6ee8136847e 151
Rohit Grover 22:c6ee8136847e 152 @returns
Rohit Grover 22:c6ee8136847e 153 */
Rohit Grover 22:c6ee8136847e 154 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 155 static error_t bond_manager_init(void)
Rohit Grover 22:c6ee8136847e 156 {
Rohit Grover 22:c6ee8136847e 157 ble_bondmngr_init_t bond_para = {0};
Rohit Grover 22:c6ee8136847e 158
Rohit Grover 22:c6ee8136847e 159 ASSERT_STATUS ( pstorage_init());
Rohit Grover 22:c6ee8136847e 160
Rohit Grover 22:c6ee8136847e 161 bond_para.flash_page_num_bond = CFG_BLE_BOND_FLASH_PAGE_BOND;
Rohit Grover 22:c6ee8136847e 162 bond_para.flash_page_num_sys_attr = CFG_BLE_BOND_FLASH_PAGE_SYS_ATTR;
Rohit Grover 22:c6ee8136847e 163 //bond_para.bonds_delete = boardButtonCheck(CFG_BLE_BOND_DELETE_BUTTON_NUM) ;
Rohit Grover 22:c6ee8136847e 164 bond_para.evt_handler = NULL;
Rohit Grover 22:c6ee8136847e 165 bond_para.error_handler = service_error_callback;
Rohit Grover 22:c6ee8136847e 166
Rohit Grover 22:c6ee8136847e 167 ASSERT_STATUS( ble_bondmngr_init( &bond_para ));
Rohit Grover 22:c6ee8136847e 168
Rohit Grover 22:c6ee8136847e 169 /* Init radio active/inactive notification to flash (to only perform flashing when the radio is inactive) */
Rohit Grover 22:c6ee8136847e 170 // ASSERT_STATUS( ble_radio_notification_init(NRF_APP_PRIORITY_HIGH,
Rohit Grover 22:c6ee8136847e 171 // NRF_RADIO_NOTIFICATION_DISTANCE_4560US,
Rohit Grover 22:c6ee8136847e 172 // ble_flash_on_radio_active_evt) );
Rohit Grover 22:c6ee8136847e 173
Rohit Grover 22:c6ee8136847e 174 return ERROR_NONE;
Rohit Grover 22:c6ee8136847e 175 }
Rohit Grover 32:84dea0924a63 176 #endif // #if NEED_BOND_MANAGER
Rohit Grover 22:c6ee8136847e 177
Rohit Grover 32:84dea0924a63 178 #if NEED_BOND_MANAGER /* disabled by default */
Rohit Grover 22:c6ee8136847e 179 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 180 /*!
Rohit Grover 22:c6ee8136847e 181 @brief
Rohit Grover 22:c6ee8136847e 182 @param[in] nrf_error
Rohit Grover 22:c6ee8136847e 183 @returns
Rohit Grover 22:c6ee8136847e 184 */
Rohit Grover 22:c6ee8136847e 185 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 186 static void service_error_callback(uint32_t nrf_error)
Rohit Grover 22:c6ee8136847e 187 {
Rohit Grover 22:c6ee8136847e 188 ASSERT_STATUS_RET_VOID( nrf_error );
Rohit Grover 22:c6ee8136847e 189 }
Rohit Grover 32:84dea0924a63 190 #endif // #if NEED_BOND_MANAGER
Rohit Grover 22:c6ee8136847e 191
Rohit Grover 22:c6ee8136847e 192 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 193 /*!
Rohit Grover 22:c6ee8136847e 194 @brief Callback when an error occurs inside the SoftDevice
Rohit Grover 22:c6ee8136847e 195
Rohit Grover 22:c6ee8136847e 196 @param[in] line_num
Rohit Grover 22:c6ee8136847e 197 @param[in] p-file_name
Rohit Grover 22:c6ee8136847e 198
Rohit Grover 22:c6ee8136847e 199 @returns
Rohit Grover 22:c6ee8136847e 200 */
Rohit Grover 22:c6ee8136847e 201 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 202 void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name)
Rohit Grover 22:c6ee8136847e 203 {
Rohit Grover 22:c6ee8136847e 204 ASSERT(false, (void) 0);
Rohit Grover 22:c6ee8136847e 205 }
Rohit Grover 22:c6ee8136847e 206
Rohit Grover 22:c6ee8136847e 207 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 208 /*!
Rohit Grover 22:c6ee8136847e 209 @brief Handler for general errors above the SoftDevice layer.
Rohit Grover 22:c6ee8136847e 210 Typically we can' recover from this so we do a reset.
Rohit Grover 22:c6ee8136847e 211
Rohit Grover 22:c6ee8136847e 212 @param[in] error_code
Rohit Grover 22:c6ee8136847e 213 @param[in] line_num
Rohit Grover 22:c6ee8136847e 214 @param[in] p-file_name
Rohit Grover 22:c6ee8136847e 215
Rohit Grover 22:c6ee8136847e 216 @returns
Rohit Grover 22:c6ee8136847e 217 */
Rohit Grover 22:c6ee8136847e 218 /**************************************************************************/
Rohit Grover 22:c6ee8136847e 219 void app_error_handler(uint32_t error_code,
Rohit Grover 22:c6ee8136847e 220 uint32_t line_num,
Rohit Grover 22:c6ee8136847e 221 const uint8_t *p_file_name)
Rohit Grover 22:c6ee8136847e 222 {
Rohit Grover 22:c6ee8136847e 223 ASSERT_STATUS_RET_VOID( error_code );
Rohit Grover 22:c6ee8136847e 224 NVIC_SystemReset();
Rohit Grover 22:c6ee8136847e 225 }