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124 lines
3.2 KiB
124 lines
3.2 KiB
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "mbed.h"
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#include "nRF5xn.h"
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#include "ble/blecommon.h"
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#include "nrf_soc.h"
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#include "btle/btle.h"
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#include "nrf_delay.h"
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#include "softdevice_handler.h"
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/**
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* The singleton which represents the nRF51822 transport for the BLE.
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*/
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static nRF5xn deviceInstance;
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/**
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* BLE-API requires an implementation of the following function in order to
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* obtain its transport handle.
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*/
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BLEInstanceBase *
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createBLEInstance(void)
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{
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return (&deviceInstance);
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}
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nRF5xn::nRF5xn(void) : initialized(false), instanceID(BLE::DEFAULT_INSTANCE)
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{
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}
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nRF5xn::~nRF5xn(void)
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{
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}
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const char *nRF5xn::getVersion(void)
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{
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if (!initialized) {
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return "INITIALIZATION_INCOMPLETE";
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}
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static char versionString[32];
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static bool versionFetched = false;
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if (!versionFetched) {
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ble_version_t version;
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if ((sd_ble_version_get(&version) == NRF_SUCCESS) && (version.company_id == 0x0059)) {
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switch (version.version_number) {
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case 0x07:
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case 0x08:
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snprintf(versionString, sizeof(versionString), "Nordic BLE4.1 ver:%u fw:%04x", version.version_number, version.subversion_number);
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break;
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default:
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snprintf(versionString, sizeof(versionString), "Nordic (spec unknown) ver:%u fw:%04x", version.version_number, version.subversion_number);
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break;
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}
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versionFetched = true;
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} else {
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strncpy(versionString, "unknown", sizeof(versionString));
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}
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}
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return versionString;
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}
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ble_error_t nRF5xn::init(BLE::InstanceID_t instanceID, FunctionPointerWithContext<BLE::InitializationCompleteCallbackContext *> callback)
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{
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if (initialized) {
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BLE::InitializationCompleteCallbackContext context = {
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BLE::Instance(instanceID),
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BLE_ERROR_ALREADY_INITIALIZED
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};
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callback.call(&context);
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return BLE_ERROR_ALREADY_INITIALIZED;
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}
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instanceID = instanceID;
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/* ToDo: Clear memory contents, reset the SD, etc. */
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btle_init();
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initialized = true;
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BLE::InitializationCompleteCallbackContext context = {
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BLE::Instance(instanceID),
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BLE_ERROR_NONE
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};
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callback.call(&context);
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return BLE_ERROR_NONE;
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}
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ble_error_t nRF5xn::shutdown(void)
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{
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if (!initialized) {
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return BLE_ERROR_INITIALIZATION_INCOMPLETE;
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}
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if(softdevice_handler_sd_disable() != NRF_SUCCESS) {
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return BLE_STACK_BUSY;
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}
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initialized = false;
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return BLE_ERROR_NONE;
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}
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void
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nRF5xn::waitForEvent(void)
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{
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sd_app_evt_wait();
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}
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