mirza sarwar / Mbed 2 deprecated BLE_HeartRate_30102

hr with 30102

Dependencies:   BLE_API mbed X_NUCLEO_IDB0XA1

Fork of BLE_HeartRate by Bluetooth Low Energy

nRF51822/TARGET_NRF5/source/nRF5xn.cpp@80:808f6f367f45, 2017-07-30 (annotated)

Committer:
mssarwar
Date:
Sun Jul 30 05:52:57 2017 +0000
Revision:
80:808f6f367f45
with 30102;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mssarwar 80:808f6f367f45 1 /* mbed Microcontroller Library
mssarwar 80:808f6f367f45 2 * Copyright (c) 2006-2013 ARM Limited
mssarwar 80:808f6f367f45 3 *
mssarwar 80:808f6f367f45 4 * Licensed under the Apache License, Version 2.0 (the "License");
mssarwar 80:808f6f367f45 5 * you may not use this file except in compliance with the License.
mssarwar 80:808f6f367f45 6 * You may obtain a copy of the License at
mssarwar 80:808f6f367f45 7 *
mssarwar 80:808f6f367f45 8 * http://www.apache.org/licenses/LICENSE-2.0
mssarwar 80:808f6f367f45 9 *
mssarwar 80:808f6f367f45 10 * Unless required by applicable law or agreed to in writing, software
mssarwar 80:808f6f367f45 11 * distributed under the License is distributed on an "AS IS" BASIS,
mssarwar 80:808f6f367f45 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mssarwar 80:808f6f367f45 13 * See the License for the specific language governing permissions and
mssarwar 80:808f6f367f45 14 * limitations under the License.
mssarwar 80:808f6f367f45 15 */
mssarwar 80:808f6f367f45 16
mssarwar 80:808f6f367f45 17 #ifdef YOTTA_CFG_MBED_OS
mssarwar 80:808f6f367f45 18 #include "mbed-drivers/mbed.h"
mssarwar 80:808f6f367f45 19 #else
mssarwar 80:808f6f367f45 20 #include "mbed.h"
mssarwar 80:808f6f367f45 21 #endif
mssarwar 80:808f6f367f45 22 #include "nRF5xn.h"
mssarwar 80:808f6f367f45 23 #include "ble/blecommon.h"
mssarwar 80:808f6f367f45 24 #include "nrf_soc.h"
mssarwar 80:808f6f367f45 25
mssarwar 80:808f6f367f45 26 #include "btle/btle.h"
mssarwar 80:808f6f367f45 27 #include "btle/custom/custom_helper.h"
mssarwar 80:808f6f367f45 28 #include "nrf_delay.h"
mssarwar 80:808f6f367f45 29
mssarwar 80:808f6f367f45 30 extern "C" {
mssarwar 80:808f6f367f45 31 #include "softdevice_handler.h"
mssarwar 80:808f6f367f45 32 }
mssarwar 80:808f6f367f45 33
mssarwar 80:808f6f367f45 34 /**
mssarwar 80:808f6f367f45 35 * The singleton which represents the nRF51822 transport for the BLE.
mssarwar 80:808f6f367f45 36 */
mssarwar 80:808f6f367f45 37 static nRF5xn deviceInstance;
mssarwar 80:808f6f367f45 38
mssarwar 80:808f6f367f45 39 /**
mssarwar 80:808f6f367f45 40 * BLE-API requires an implementation of the following function in order to
mssarwar 80:808f6f367f45 41 * obtain its transport handle.
mssarwar 80:808f6f367f45 42 */
mssarwar 80:808f6f367f45 43 BLEInstanceBase *
mssarwar 80:808f6f367f45 44 createBLEInstance(void)
mssarwar 80:808f6f367f45 45 {
mssarwar 80:808f6f367f45 46 return &nRF5xn::Instance(BLE::DEFAULT_INSTANCE);
mssarwar 80:808f6f367f45 47 }
mssarwar 80:808f6f367f45 48
mssarwar 80:808f6f367f45 49 nRF5xn& nRF5xn::Instance(BLE::InstanceID_t instanceId)
mssarwar 80:808f6f367f45 50 {
mssarwar 80:808f6f367f45 51 return deviceInstance;
mssarwar 80:808f6f367f45 52 }
mssarwar 80:808f6f367f45 53
mssarwar 80:808f6f367f45 54 nRF5xn::nRF5xn(void) :
mssarwar 80:808f6f367f45 55 initialized(false),
mssarwar 80:808f6f367f45 56 instanceID(BLE::DEFAULT_INSTANCE),
mssarwar 80:808f6f367f45 57 gapInstance(),
mssarwar 80:808f6f367f45 58 gattServerInstance(NULL),
mssarwar 80:808f6f367f45 59 gattClientInstance(NULL),
mssarwar 80:808f6f367f45 60 securityManagerInstance(NULL)
mssarwar 80:808f6f367f45 61 {
mssarwar 80:808f6f367f45 62 }
mssarwar 80:808f6f367f45 63
mssarwar 80:808f6f367f45 64 nRF5xn::~nRF5xn(void)
mssarwar 80:808f6f367f45 65 {
mssarwar 80:808f6f367f45 66 }
mssarwar 80:808f6f367f45 67
mssarwar 80:808f6f367f45 68 const char *nRF5xn::getVersion(void)
mssarwar 80:808f6f367f45 69 {
mssarwar 80:808f6f367f45 70 if (!initialized) {
mssarwar 80:808f6f367f45 71 return "INITIALIZATION_INCOMPLETE";
mssarwar 80:808f6f367f45 72 }
mssarwar 80:808f6f367f45 73
mssarwar 80:808f6f367f45 74 static char versionString[32];
mssarwar 80:808f6f367f45 75 static bool versionFetched = false;
mssarwar 80:808f6f367f45 76
mssarwar 80:808f6f367f45 77 if (!versionFetched) {
mssarwar 80:808f6f367f45 78 ble_version_t version;
mssarwar 80:808f6f367f45 79 if ((sd_ble_version_get(&version) == NRF_SUCCESS) && (version.company_id == 0x0059)) {
mssarwar 80:808f6f367f45 80 switch (version.version_number) {
mssarwar 80:808f6f367f45 81 case 0x07:
mssarwar 80:808f6f367f45 82 case 0x08:
mssarwar 80:808f6f367f45 83 snprintf(versionString, sizeof(versionString), "Nordic BLE4.1 ver:%u fw:%04x", version.version_number, version.subversion_number);
mssarwar 80:808f6f367f45 84 break;
mssarwar 80:808f6f367f45 85 default:
mssarwar 80:808f6f367f45 86 snprintf(versionString, sizeof(versionString), "Nordic (spec unknown) ver:%u fw:%04x", version.version_number, version.subversion_number);
mssarwar 80:808f6f367f45 87 break;
mssarwar 80:808f6f367f45 88 }
mssarwar 80:808f6f367f45 89 versionFetched = true;
mssarwar 80:808f6f367f45 90 } else {
mssarwar 80:808f6f367f45 91 strncpy(versionString, "unknown", sizeof(versionString));
mssarwar 80:808f6f367f45 92 }
mssarwar 80:808f6f367f45 93 }
mssarwar 80:808f6f367f45 94
mssarwar 80:808f6f367f45 95 return versionString;
mssarwar 80:808f6f367f45 96 }
mssarwar 80:808f6f367f45 97
mssarwar 80:808f6f367f45 98 /**************************************************************************/
mssarwar 80:808f6f367f45 99 /*!
mssarwar 80:808f6f367f45 100 @brief Initialize the BLE stack.
mssarwar 80:808f6f367f45 101
mssarwar 80:808f6f367f45 102 @returns ble_error_t
mssarwar 80:808f6f367f45 103
mssarwar 80:808f6f367f45 104 @retval BLE_ERROR_NONE if everything executed properly and
mssarwar 80:808f6f367f45 105 BLE_ERROR_ALREADY_INITIALIZED if the stack has already
mssarwar 80:808f6f367f45 106 been initialized (possibly through a call to nRF5xn::init()).
mssarwar 80:808f6f367f45 107 BLE_ERROR_INTERNAL_STACK_FAILURE is returned if initialization
mssarwar 80:808f6f367f45 108 of the internal stack (SoftDevice) failed.
mssarwar 80:808f6f367f45 109
mssarwar 80:808f6f367f45 110 */
mssarwar 80:808f6f367f45 111 /**************************************************************************/
mssarwar 80:808f6f367f45 112 ble_error_t nRF5xn::init(BLE::InstanceID_t instanceID, FunctionPointerWithContext<BLE::InitializationCompleteCallbackContext *> callback)
mssarwar 80:808f6f367f45 113 {
mssarwar 80:808f6f367f45 114 if (initialized) {
mssarwar 80:808f6f367f45 115 BLE::InitializationCompleteCallbackContext context = {
mssarwar 80:808f6f367f45 116 BLE::Instance(instanceID),
mssarwar 80:808f6f367f45 117 BLE_ERROR_ALREADY_INITIALIZED
mssarwar 80:808f6f367f45 118 };
mssarwar 80:808f6f367f45 119 callback.call(&context);
mssarwar 80:808f6f367f45 120 return BLE_ERROR_ALREADY_INITIALIZED;
mssarwar 80:808f6f367f45 121 }
mssarwar 80:808f6f367f45 122
mssarwar 80:808f6f367f45 123 instanceID = instanceID;
mssarwar 80:808f6f367f45 124
mssarwar 80:808f6f367f45 125 /* ToDo: Clear memory contents, reset the SD, etc. */
mssarwar 80:808f6f367f45 126 if (btle_init() != ERROR_NONE) {
mssarwar 80:808f6f367f45 127 return BLE_ERROR_INTERNAL_STACK_FAILURE;
mssarwar 80:808f6f367f45 128 }
mssarwar 80:808f6f367f45 129
mssarwar 80:808f6f367f45 130 initialized = true;
mssarwar 80:808f6f367f45 131 BLE::InitializationCompleteCallbackContext context = {
mssarwar 80:808f6f367f45 132 BLE::Instance(instanceID),
mssarwar 80:808f6f367f45 133 BLE_ERROR_NONE
mssarwar 80:808f6f367f45 134 };
mssarwar 80:808f6f367f45 135 callback.call(&context);
mssarwar 80:808f6f367f45 136 return BLE_ERROR_NONE;
mssarwar 80:808f6f367f45 137 }
mssarwar 80:808f6f367f45 138
mssarwar 80:808f6f367f45 139 /**************************************************************************/
mssarwar 80:808f6f367f45 140 /*!
mssarwar 80:808f6f367f45 141 @brief Purge the BLE stack of GATT and GAP state.
mssarwar 80:808f6f367f45 142
mssarwar 80:808f6f367f45 143 @returns ble_error_t
mssarwar 80:808f6f367f45 144
mssarwar 80:808f6f367f45 145 @retval BLE_ERROR_NONE
mssarwar 80:808f6f367f45 146 Everything executed properly
mssarwar 80:808f6f367f45 147
mssarwar 80:808f6f367f45 148 @note When using S110, GattClient::shutdown() will not be called
mssarwar 80:808f6f367f45 149 since Gatt client features are not supported.
mssarwar 80:808f6f367f45 150 */
mssarwar 80:808f6f367f45 151 /**************************************************************************/
mssarwar 80:808f6f367f45 152 ble_error_t nRF5xn::shutdown(void)
mssarwar 80:808f6f367f45 153 {
mssarwar 80:808f6f367f45 154 if (!initialized) {
mssarwar 80:808f6f367f45 155 return BLE_ERROR_INITIALIZATION_INCOMPLETE;
mssarwar 80:808f6f367f45 156 }
mssarwar 80:808f6f367f45 157
mssarwar 80:808f6f367f45 158 /*
mssarwar 80:808f6f367f45 159 * Shutdown the SoftDevice first. This is because we need to disable all
mssarwar 80:808f6f367f45 160 * interrupts. Otherwise if we clear the BLE API and glue code first there
mssarwar 80:808f6f367f45 161 * will be many NULL references and no config information which could lead
mssarwar 80:808f6f367f45 162 * to errors if the shutdown process is interrupted.
mssarwar 80:808f6f367f45 163 */
mssarwar 80:808f6f367f45 164 if (softdevice_handler_sd_disable() != NRF_SUCCESS) {
mssarwar 80:808f6f367f45 165 return BLE_STACK_BUSY;
mssarwar 80:808f6f367f45 166 }
mssarwar 80:808f6f367f45 167
mssarwar 80:808f6f367f45 168
mssarwar 80:808f6f367f45 169 /* Shutdown the BLE API and nRF51 glue code */
mssarwar 80:808f6f367f45 170 ble_error_t error;
mssarwar 80:808f6f367f45 171
mssarwar 80:808f6f367f45 172 if (gattServerInstance != NULL) {
mssarwar 80:808f6f367f45 173 error = gattServerInstance->reset();
mssarwar 80:808f6f367f45 174 if (error != BLE_ERROR_NONE) {
mssarwar 80:808f6f367f45 175 return error;
mssarwar 80:808f6f367f45 176 }
mssarwar 80:808f6f367f45 177 }
mssarwar 80:808f6f367f45 178
mssarwar 80:808f6f367f45 179 if (securityManagerInstance != NULL) {
mssarwar 80:808f6f367f45 180 error = securityManagerInstance->reset();
mssarwar 80:808f6f367f45 181 if (error != BLE_ERROR_NONE) {
mssarwar 80:808f6f367f45 182 return error;
mssarwar 80:808f6f367f45 183 }
mssarwar 80:808f6f367f45 184 }
mssarwar 80:808f6f367f45 185
mssarwar 80:808f6f367f45 186 /* S110 does not support BLE client features, nothing to reset. */
mssarwar 80:808f6f367f45 187 #if !defined(TARGET_MCU_NRF51_16K_S110) && !defined(TARGET_MCU_NRF51_32K_S110)
mssarwar 80:808f6f367f45 188 if (gattClientInstance != NULL) {
mssarwar 80:808f6f367f45 189 error = gattClientInstance->reset();
mssarwar 80:808f6f367f45 190 if (error != BLE_ERROR_NONE) {
mssarwar 80:808f6f367f45 191 return error;
mssarwar 80:808f6f367f45 192 }
mssarwar 80:808f6f367f45 193 }
mssarwar 80:808f6f367f45 194 #endif
mssarwar 80:808f6f367f45 195
mssarwar 80:808f6f367f45 196 /* Gap instance is always present */
mssarwar 80:808f6f367f45 197 error = gapInstance.reset();
mssarwar 80:808f6f367f45 198 if (error != BLE_ERROR_NONE) {
mssarwar 80:808f6f367f45 199 return error;
mssarwar 80:808f6f367f45 200 }
mssarwar 80:808f6f367f45 201
mssarwar 80:808f6f367f45 202 custom_reset_128bits_uuid_table();
mssarwar 80:808f6f367f45 203
mssarwar 80:808f6f367f45 204 initialized = false;
mssarwar 80:808f6f367f45 205 return BLE_ERROR_NONE;
mssarwar 80:808f6f367f45 206 }
mssarwar 80:808f6f367f45 207
mssarwar 80:808f6f367f45 208 void
mssarwar 80:808f6f367f45 209 nRF5xn::waitForEvent(void)
mssarwar 80:808f6f367f45 210 {
mssarwar 80:808f6f367f45 211 processEvents();
mssarwar 80:808f6f367f45 212 sd_app_evt_wait();
mssarwar 80:808f6f367f45 213 }
mssarwar 80:808f6f367f45 214
mssarwar 80:808f6f367f45 215 void nRF5xn::processEvents() {
mssarwar 80:808f6f367f45 216 if (isEventsSignaled) {
mssarwar 80:808f6f367f45 217 isEventsSignaled = false;
mssarwar 80:808f6f367f45 218 intern_softdevice_events_execute();
mssarwar 80:808f6f367f45 219 }
mssarwar 80:808f6f367f45 220 }