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An updated version of the URIBeacon implementation that uses the new Eddystone-URL format.
Dependencies: BLE_API mbed nRF51822
nrfConfigParamsPersistence.cpp@2:420532c6dd54, 2015-08-19 (annotated)
- Committer:
- roywant
- Date:
- Wed Aug 19 04:41:21 2015 +0000
- Revision:
- 2:420532c6dd54
- Parent:
- 1:0ad7573b5918
On disconnect: a) Timer is stopped b) ADV parameters recreated c) starts advertizing. This is so that the ADV starts again right after disconnect. Before it only started after the long timeout, which makes it hard for the Validator to do its work.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
roywant | 0:094734b4e8bd | 1 | /* mbed Microcontroller Library |
roywant | 0:094734b4e8bd | 2 | * Copyright (c) 2006-2015 ARM Limited |
roywant | 0:094734b4e8bd | 3 | * |
roywant | 0:094734b4e8bd | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
roywant | 0:094734b4e8bd | 5 | * you may not use this file except in compliance with the License. |
roywant | 0:094734b4e8bd | 6 | * You may obtain a copy of the License at |
roywant | 0:094734b4e8bd | 7 | * |
roywant | 0:094734b4e8bd | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
roywant | 0:094734b4e8bd | 9 | * |
roywant | 0:094734b4e8bd | 10 | * Unless required by applicable law or agreed to in writing, software |
roywant | 0:094734b4e8bd | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
roywant | 0:094734b4e8bd | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
roywant | 0:094734b4e8bd | 13 | * See the License for the specific language governing permissions and |
roywant | 0:094734b4e8bd | 14 | * limitations under the License. |
roywant | 0:094734b4e8bd | 15 | */ |
roywant | 0:094734b4e8bd | 16 | |
roywant | 0:094734b4e8bd | 17 | #include "pstorage.h" |
roywant | 0:094734b4e8bd | 18 | #include "nrf_error.h" |
roywant | 0:094734b4e8bd | 19 | #include "ConfigParamsPersistence.h" |
roywant | 0:094734b4e8bd | 20 | |
roywant | 0:094734b4e8bd | 21 | /** |
roywant | 0:094734b4e8bd | 22 | * Nordic specific structure used to store params persistently. |
roywant | 1:0ad7573b5918 | 23 | * It extends EddystoneURLConfigService::Params_t with a persistence signature. |
roywant | 0:094734b4e8bd | 24 | */ |
roywant | 0:094734b4e8bd | 25 | struct PersistentParams_t { |
roywant | 1:0ad7573b5918 | 26 | EddystoneURLConfigService::Params_t params; |
roywant | 0:094734b4e8bd | 27 | uint32_t persistenceSignature; /* This isn't really a parameter, but having the expected |
roywant | 0:094734b4e8bd | 28 | * magic value in this field indicates persistence. */ |
roywant | 0:094734b4e8bd | 29 | |
roywant | 0:094734b4e8bd | 30 | static const uint32_t MAGIC = 0x1BEAC000; /* Magic that identifies persistence */ |
roywant | 0:094734b4e8bd | 31 | }; |
roywant | 0:094734b4e8bd | 32 | |
roywant | 0:094734b4e8bd | 33 | /** |
roywant | 0:094734b4e8bd | 34 | * The following is a module-local variable to hold configuration parameters for |
roywant | 0:094734b4e8bd | 35 | * short periods during flash access. This is necessary because the pstorage |
roywant | 0:094734b4e8bd | 36 | * APIs don't copy in the memory provided as data source. The memory cannot be |
roywant | 0:094734b4e8bd | 37 | * freed or reused by the application until this flash access is complete. The |
roywant | 0:094734b4e8bd | 38 | * load and store operations in this module initialize persistentParams and then |
roywant | 0:094734b4e8bd | 39 | * pass it on to the 'pstorage' APIs. |
roywant | 0:094734b4e8bd | 40 | */ |
roywant | 0:094734b4e8bd | 41 | static PersistentParams_t persistentParams; |
roywant | 0:094734b4e8bd | 42 | |
roywant | 0:094734b4e8bd | 43 | static pstorage_handle_t pstorageHandle; |
roywant | 0:094734b4e8bd | 44 | |
roywant | 0:094734b4e8bd | 45 | /** |
roywant | 0:094734b4e8bd | 46 | * Dummy callback handler needed by Nordic's pstorage module. This is called |
roywant | 0:094734b4e8bd | 47 | * after every flash access. |
roywant | 0:094734b4e8bd | 48 | */ |
roywant | 0:094734b4e8bd | 49 | static void pstorageNotificationCallback(pstorage_handle_t *p_handle, |
roywant | 0:094734b4e8bd | 50 | uint8_t op_code, |
roywant | 0:094734b4e8bd | 51 | uint32_t result, |
roywant | 0:094734b4e8bd | 52 | uint8_t *p_data, |
roywant | 0:094734b4e8bd | 53 | uint32_t data_len) |
roywant | 0:094734b4e8bd | 54 | { |
roywant | 0:094734b4e8bd | 55 | /* APP_ERROR_CHECK(result); */ |
roywant | 0:094734b4e8bd | 56 | } |
roywant | 0:094734b4e8bd | 57 | |
roywant | 0:094734b4e8bd | 58 | /* Platform-specific implementation for persistence on the nRF5x. Based on the |
roywant | 0:094734b4e8bd | 59 | * pstorage module provided by the Nordic SDK. */ |
roywant | 1:0ad7573b5918 | 60 | bool loadEddystoneURLConfigParams(EddystoneURLConfigService::Params_t *paramsP) |
roywant | 0:094734b4e8bd | 61 | { |
roywant | 0:094734b4e8bd | 62 | static bool pstorageInitied = false; |
roywant | 0:094734b4e8bd | 63 | if (!pstorageInitied) { |
roywant | 0:094734b4e8bd | 64 | pstorage_init(); |
roywant | 0:094734b4e8bd | 65 | |
roywant | 0:094734b4e8bd | 66 | static pstorage_module_param_t pstorageParams = { |
roywant | 0:094734b4e8bd | 67 | .cb = pstorageNotificationCallback, |
roywant | 0:094734b4e8bd | 68 | .block_size = sizeof(PersistentParams_t), |
roywant | 0:094734b4e8bd | 69 | .block_count = 1 |
roywant | 0:094734b4e8bd | 70 | }; |
roywant | 0:094734b4e8bd | 71 | pstorage_register(&pstorageParams, &pstorageHandle); |
roywant | 0:094734b4e8bd | 72 | pstorageInitied = true; |
roywant | 0:094734b4e8bd | 73 | } |
roywant | 0:094734b4e8bd | 74 | |
roywant | 0:094734b4e8bd | 75 | if ((pstorage_load(reinterpret_cast<uint8_t *>(&persistentParams), &pstorageHandle, sizeof(PersistentParams_t), 0) != NRF_SUCCESS) || |
roywant | 0:094734b4e8bd | 76 | (persistentParams.persistenceSignature != PersistentParams_t::MAGIC)) { |
roywant | 0:094734b4e8bd | 77 | // On failure zero out and let the service reset to defaults |
roywant | 1:0ad7573b5918 | 78 | memset(paramsP, 0, sizeof(EddystoneURLConfigService::Params_t)); |
roywant | 0:094734b4e8bd | 79 | return false; |
roywant | 0:094734b4e8bd | 80 | } |
roywant | 0:094734b4e8bd | 81 | |
roywant | 1:0ad7573b5918 | 82 | memcpy(paramsP, &persistentParams.params, sizeof(EddystoneURLConfigService::Params_t)); |
roywant | 0:094734b4e8bd | 83 | return true; |
roywant | 0:094734b4e8bd | 84 | } |
roywant | 0:094734b4e8bd | 85 | |
roywant | 0:094734b4e8bd | 86 | /* Platform-specific implementation for persistence on the nRF5x. Based on the |
roywant | 0:094734b4e8bd | 87 | * pstorage module provided by the Nordic SDK. */ |
roywant | 1:0ad7573b5918 | 88 | void saveEddystoneURLConfigParams(const EddystoneURLConfigService::Params_t *paramsP) |
roywant | 0:094734b4e8bd | 89 | { |
roywant | 1:0ad7573b5918 | 90 | memcpy(&persistentParams.params, paramsP, sizeof(EddystoneURLConfigService::Params_t)); |
roywant | 0:094734b4e8bd | 91 | if (persistentParams.persistenceSignature != PersistentParams_t::MAGIC) { |
roywant | 0:094734b4e8bd | 92 | persistentParams.persistenceSignature = PersistentParams_t::MAGIC; |
roywant | 0:094734b4e8bd | 93 | pstorage_store(&pstorageHandle, |
roywant | 0:094734b4e8bd | 94 | reinterpret_cast<uint8_t *>(&persistentParams), |
roywant | 0:094734b4e8bd | 95 | sizeof(PersistentParams_t), |
roywant | 0:094734b4e8bd | 96 | 0 /* offset */); |
roywant | 0:094734b4e8bd | 97 | } else { |
roywant | 0:094734b4e8bd | 98 | pstorage_update(&pstorageHandle, |
roywant | 0:094734b4e8bd | 99 | reinterpret_cast<uint8_t *>(&persistentParams), |
roywant | 0:094734b4e8bd | 100 | sizeof(PersistentParams_t), |
roywant | 0:094734b4e8bd | 101 | 0 /* offset */); |
roywant | 0:094734b4e8bd | 102 | } |
roywant | 0:094734b4e8bd | 103 | } |