91 lines
3 KiB
C
91 lines
3 KiB
C
/*
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* CANopen Object Dictionary storage object (blank example).
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*
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* @file CO_storageBlank.c
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* @author Janez Paternoster
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* @copyright 2021 Janez Paternoster
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*
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* This file is part of <https://github.com/CANopenNode/CANopenNode>, a CANopen Stack.
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
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* file except in compliance with the License. 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 distributed under the License is
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* distributed on an "AS IS" BASIS, 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 limitations under the License.
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*/
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#include "CO_storageBlank.h"
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#if (CO_CONFIG_STORAGE) & CO_CONFIG_STORAGE_ENABLE
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/*
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* Function for writing data on "Store parameters" command - OD object 1010
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*
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* For more information see file CO_storage.h, CO_storage_entry_t.
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*/
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static ODR_t
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storeBlank(CO_storage_entry_t* entry, CO_CANmodule_t* CANmodule) {
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/* Open a file and write data to it */
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/* file = open(entry->pathToFileOrPointerToMemory); */
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CO_LOCK_OD(CANmodule);
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/* write(entry->addr, entry->len, file); */
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CO_UNLOCK_OD(CANmodule);
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return ODR_OK;
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}
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/*
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* Function for restoring data on "Restore default parameters" command - OD 1011
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*
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* For more information see file CO_storage.h, CO_storage_entry_t.
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*/
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static ODR_t
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restoreBlank(CO_storage_entry_t* entry, CO_CANmodule_t* CANmodule) {
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/* disable (delete) the file, so default values will stay after startup */
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return ODR_OK;
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}
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CO_ReturnError_t
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CO_storageBlank_init(CO_storage_t* storage, CO_CANmodule_t* CANmodule, OD_entry_t* OD_1010_StoreParameters,
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OD_entry_t* OD_1011_RestoreDefaultParam, CO_storage_entry_t* entries, uint8_t entriesCount,
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uint32_t* storageInitError) {
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CO_ReturnError_t ret;
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/* verify arguments */
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if (storage == NULL || entries == NULL || entriesCount == 0 || storageInitError == NULL) {
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return CO_ERROR_ILLEGAL_ARGUMENT;
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}
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/* initialize storage and OD extensions */
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ret = CO_storage_init(storage, CANmodule, OD_1010_StoreParameters, OD_1011_RestoreDefaultParam, storeBlank,
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restoreBlank, entries, entriesCount);
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if (ret != CO_ERROR_NO) {
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return ret;
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}
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/* initialize entries */
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*storageInitError = 0;
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for (uint8_t i = 0; i < entriesCount; i++) {
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CO_storage_entry_t* entry = &entries[i];
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/* verify arguments */
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if (entry->addr == NULL || entry->len == 0 || entry->subIndexOD < 2) {
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*storageInitError = i;
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return CO_ERROR_ILLEGAL_ARGUMENT;
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}
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/* Open a file and read data from file to entry->addr */
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/* file = open(entry->pathToFileOrPointerToMemory); */
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/* read(entry->addr, entry->len, file); */
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}
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return ret;
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}
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#endif /* (CO_CONFIG_STORAGE) & CO_CONFIG_STORAGE_ENABLE */
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