Michael Galis / nRF51822

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Fork of nRF51822 by Nordic Semiconductor

source/nRF5xn.cpp@459:98c44deafc70, 2015-11-02 (annotated)

Committer:
rgrover1
Date:
Mon Nov 02 09:05:11 2015 +0000
Revision:
459:98c44deafc70
Parent:
458:b42881afcc6e
Child:
461:1f352d938a33
Synchronized with git rev c5dc7e52

Author: Rohit Grover

add init guards for some top level APIs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rgrover1 388:db85a09c27ef 1 /* mbed Microcontroller Library
rgrover1 388:db85a09c27ef 2 * Copyright (c) 2006-2013 ARM Limited
rgrover1 388:db85a09c27ef 3 *
rgrover1 388:db85a09c27ef 4 * Licensed under the Apache License, Version 2.0 (the "License");
rgrover1 388:db85a09c27ef 5 * you may not use this file except in compliance with the License.
rgrover1 388:db85a09c27ef 6 * You may obtain a copy of the License at
rgrover1 388:db85a09c27ef 7 *
rgrover1 388:db85a09c27ef 8 * http://www.apache.org/licenses/LICENSE-2.0
rgrover1 388:db85a09c27ef 9 *
rgrover1 388:db85a09c27ef 10 * Unless required by applicable law or agreed to in writing, software
rgrover1 388:db85a09c27ef 11 * distributed under the License is distributed on an "AS IS" BASIS,
rgrover1 388:db85a09c27ef 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
rgrover1 388:db85a09c27ef 13 * See the License for the specific language governing permissions and
rgrover1 388:db85a09c27ef 14 * limitations under the License.
rgrover1 388:db85a09c27ef 15 */
rgrover1 388:db85a09c27ef 16
rgrover1 388:db85a09c27ef 17 #include "mbed.h"
rgrover1 388:db85a09c27ef 18 #include "nRF5xn.h"
rgrover1 459:98c44deafc70 19 #include "ble/blecommon.h"
rgrover1 388:db85a09c27ef 20 #include "nrf_soc.h"
rgrover1 388:db85a09c27ef 21
rgrover1 388:db85a09c27ef 22 #include "btle/btle.h"
rgrover1 388:db85a09c27ef 23 #include "nrf_delay.h"
rgrover1 388:db85a09c27ef 24
rgrover1 388:db85a09c27ef 25 #include "softdevice_handler.h"
rgrover1 388:db85a09c27ef 26
rgrover1 388:db85a09c27ef 27 /**
rgrover1 388:db85a09c27ef 28 * The singleton which represents the nRF51822 transport for the BLE.
rgrover1 388:db85a09c27ef 29 */
rgrover1 388:db85a09c27ef 30 static nRF5xn deviceInstance;
rgrover1 388:db85a09c27ef 31
rgrover1 388:db85a09c27ef 32 /**
rgrover1 388:db85a09c27ef 33 * BLE-API requires an implementation of the following function in order to
rgrover1 388:db85a09c27ef 34 * obtain its transport handle.
rgrover1 388:db85a09c27ef 35 */
rgrover1 388:db85a09c27ef 36 BLEInstanceBase *
rgrover1 388:db85a09c27ef 37 createBLEInstance(void)
rgrover1 388:db85a09c27ef 38 {
rgrover1 388:db85a09c27ef 39 return (&deviceInstance);
rgrover1 388:db85a09c27ef 40 }
rgrover1 388:db85a09c27ef 41
rgrover1 458:b42881afcc6e 42 nRF5xn::nRF5xn(void) : initialized(false), instanceID(BLE::DEFAULT_INSTANCE)
rgrover1 388:db85a09c27ef 43 {
rgrover1 388:db85a09c27ef 44 }
rgrover1 388:db85a09c27ef 45
rgrover1 388:db85a09c27ef 46 nRF5xn::~nRF5xn(void)
rgrover1 388:db85a09c27ef 47 {
rgrover1 388:db85a09c27ef 48 }
rgrover1 388:db85a09c27ef 49
rgrover1 388:db85a09c27ef 50 const char *nRF5xn::getVersion(void)
rgrover1 388:db85a09c27ef 51 {
rgrover1 459:98c44deafc70 52 if (!initialized) {
rgrover1 459:98c44deafc70 53 return "INITIALIZATION_INCOMPLETE";
rgrover1 459:98c44deafc70 54 }
rgrover1 459:98c44deafc70 55
rgrover1 388:db85a09c27ef 56 static char versionString[32];
rgrover1 388:db85a09c27ef 57 static bool versionFetched = false;
rgrover1 388:db85a09c27ef 58
rgrover1 388:db85a09c27ef 59 if (!versionFetched) {
rgrover1 388:db85a09c27ef 60 ble_version_t version;
rgrover1 388:db85a09c27ef 61 if ((sd_ble_version_get(&version) == NRF_SUCCESS) && (version.company_id == 0x0059)) {
rgrover1 388:db85a09c27ef 62 switch (version.version_number) {
rgrover1 388:db85a09c27ef 63 case 0x07:
rgrover1 403:92d6b4c7bf14 64 case 0x08:
rgrover1 403:92d6b4c7bf14 65 snprintf(versionString, sizeof(versionString), "Nordic BLE4.1 ver:%u fw:%04x", version.version_number, version.subversion_number);
rgrover1 388:db85a09c27ef 66 break;
rgrover1 388:db85a09c27ef 67 default:
rgrover1 403:92d6b4c7bf14 68 snprintf(versionString, sizeof(versionString), "Nordic (spec unknown) ver:%u fw:%04x", version.version_number, version.subversion_number);
rgrover1 388:db85a09c27ef 69 break;
rgrover1 388:db85a09c27ef 70 }
rgrover1 388:db85a09c27ef 71 versionFetched = true;
rgrover1 388:db85a09c27ef 72 } else {
rgrover1 388:db85a09c27ef 73 strncpy(versionString, "unknown", sizeof(versionString));
rgrover1 388:db85a09c27ef 74 }
rgrover1 388:db85a09c27ef 75 }
rgrover1 388:db85a09c27ef 76
rgrover1 388:db85a09c27ef 77 return versionString;
rgrover1 388:db85a09c27ef 78 }
rgrover1 388:db85a09c27ef 79
rgrover1 458:b42881afcc6e 80 ble_error_t nRF5xn::init(BLE::InstanceID_t instanceID, BLE::InitializationCompleteCallback_t callback)
rgrover1 388:db85a09c27ef 81 {
rgrover1 458:b42881afcc6e 82 if (initialized) {
rgrover1 458:b42881afcc6e 83 if (callback) {
rgrover1 458:b42881afcc6e 84 callback(BLE::Instance(instanceID), BLE_ERROR_ALREADY_INITIALIZED);
rgrover1 458:b42881afcc6e 85 }
rgrover1 458:b42881afcc6e 86 return BLE_ERROR_ALREADY_INITIALIZED;
rgrover1 458:b42881afcc6e 87 }
rgrover1 458:b42881afcc6e 88
rgrover1 458:b42881afcc6e 89 instanceID = instanceID;
rgrover1 458:b42881afcc6e 90
rgrover1 388:db85a09c27ef 91 /* ToDo: Clear memory contents, reset the SD, etc. */
rgrover1 388:db85a09c27ef 92 btle_init();
rgrover1 388:db85a09c27ef 93
rgrover1 458:b42881afcc6e 94 initialized = true;
rgrover1 458:b42881afcc6e 95 if (callback) {
rgrover1 458:b42881afcc6e 96 callback(BLE::Instance(instanceID), BLE_ERROR_NONE);
rgrover1 458:b42881afcc6e 97 }
rgrover1 388:db85a09c27ef 98 return BLE_ERROR_NONE;
rgrover1 388:db85a09c27ef 99 }
rgrover1 388:db85a09c27ef 100
rgrover1 388:db85a09c27ef 101 ble_error_t nRF5xn::shutdown(void)
rgrover1 388:db85a09c27ef 102 {
rgrover1 459:98c44deafc70 103 if (!initialized) {
rgrover1 459:98c44deafc70 104 return BLE_ERROR_INITIALIZATION_INCOMPLETE;
rgrover1 459:98c44deafc70 105 }
rgrover1 459:98c44deafc70 106
rgrover1 388:db85a09c27ef 107 return (softdevice_handler_sd_disable() == NRF_SUCCESS) ? BLE_ERROR_NONE : BLE_STACK_BUSY;
rgrover1 388:db85a09c27ef 108 }
rgrover1 388:db85a09c27ef 109
rgrover1 388:db85a09c27ef 110 void
rgrover1 388:db85a09c27ef 111 nRF5xn::waitForEvent(void)
rgrover1 388:db85a09c27ef 112 {
rgrover1 388:db85a09c27ef 113 sd_app_evt_wait();
rgrover1 388:db85a09c27ef 114 }