| /* |
| * |
| * Copyright (c) 2022 Project CHIP Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <openthread/platform/memory.h> |
| #include <platform/internal/CHIPDeviceLayerInternal.h> |
| |
| #include <platform/nxp/k32w/k32w0/RamStorage.h> |
| |
| #include "pdm_ram_storage_glue.h" |
| |
| #if PDM_SAVE_IDLE |
| #include "fsl_os_abstraction.h" |
| #define mutex_lock(descr, timeout) OSA_MutexLock(descr->header.mutexHandle, timeout) |
| #define mutex_unlock(descr) OSA_MutexUnlock(descr->header.mutexHandle) |
| #define mutex_destroy(descr) OSA_MutexDestroy(descr->header.mutexHandle) |
| #else |
| #define mutex_lock(...) |
| #define mutex_unlock(...) |
| #define mutex_destroy(...) |
| #endif |
| |
| #if PDM_USE_DYNAMIC_MEMORY |
| #define ot_free otPlatFree |
| #else |
| #define ot_free(...) |
| #endif |
| |
| #if PDM_SAVE_IDLE |
| // Segment data size is: D_SEGMENT_MEMORY_SIZE (4096) - D_PDM_NVM_SEGMENT_HEADER_SIZE (size of internal header). |
| // Subtract 64 to have more margin. |
| #define PDM_SEGMENT_SIZE (4096 - 64) |
| #endif |
| |
| namespace chip::DeviceLayer::Internal { |
| |
| RamStorageKey::RamStorageKey(RamStorage * storage, uint8_t keyId, uint8_t internalId) |
| { |
| mStorage = storage; |
| mId = GetInternalId(keyId, internalId); |
| } |
| |
| CHIP_ERROR RamStorageKey::Read(uint8_t * buf, uint16_t & sizeToRead) const |
| { |
| return mStorage->Read(mId, 0, buf, &sizeToRead); |
| } |
| |
| CHIP_ERROR RamStorageKey::Write(const uint8_t * buf, uint16_t length) |
| { |
| return mStorage->Write(mId, buf, length); |
| } |
| |
| CHIP_ERROR RamStorageKey::Delete() |
| { |
| return mStorage->Delete(mId, -1); |
| } |
| |
| CHIP_ERROR RamStorage::Init(uint16_t aInitialSize, bool extendedSearch) |
| { |
| mBuffer = getRamBuffer(mPdmId, aInitialSize, extendedSearch); |
| mExtendedSearch = extendedSearch; |
| |
| return mBuffer ? CHIP_NO_ERROR : CHIP_ERROR_NO_MEMORY; |
| } |
| |
| void RamStorage::FreeBuffer() |
| { |
| if (mBuffer) |
| { |
| mutex_lock(mBuffer, osaWaitForever_c); |
| if (mBuffer->buffer) |
| { |
| ot_free(mBuffer->buffer); |
| mBuffer->buffer = nullptr; |
| } |
| mutex_unlock(mBuffer); |
| mutex_destroy(mBuffer); |
| ot_free(mBuffer); |
| mBuffer = nullptr; |
| } |
| } |
| |
| CHIP_ERROR RamStorage::Read(uint16_t aKey, int aIndex, uint8_t * aValue, uint16_t * aValueLength) const |
| { |
| CHIP_ERROR err; |
| rsError status; |
| |
| mutex_lock(mBuffer, osaWaitForever_c); |
| status = ramStorageGet(mBuffer, aKey, aIndex, aValue, aValueLength); |
| SuccessOrExit(err = MapStatusToChipError(status)); |
| |
| exit: |
| mutex_unlock(mBuffer); |
| return err; |
| } |
| |
| CHIP_ERROR RamStorage::Write(uint16_t aKey, const uint8_t * aValue, uint16_t aValueLength) |
| { |
| CHIP_ERROR err; |
| rsError status = RS_ERROR_NONE; |
| PDM_teStatus pdmStatus; |
| |
| mutex_lock(mBuffer, osaWaitForever_c); |
| // Delete all occurrences of "key" and resize buffer if needed |
| // before scheduling writing of new value. |
| ramStorageDelete(mBuffer, aKey, -1); |
| #if PDM_USE_DYNAMIC_MEMORY |
| status = ramStorageResize(mBuffer, aKey, aValue, aValueLength); |
| SuccessOrExit(err = MapStatusToChipError(status)); |
| #endif |
| status = ramStorageSet(mBuffer, aKey, aValue, aValueLength); |
| SuccessOrExit(err = MapStatusToChipError(status)); |
| pdmStatus = PDM_SaveRecord(mPdmId, mBuffer); |
| SuccessOrExit(err = MapPdmStatusToChipError(pdmStatus)); |
| |
| exit: |
| mutex_unlock(mBuffer); |
| return err; |
| } |
| |
| CHIP_ERROR RamStorage::Delete(uint16_t aKey, int aIndex) |
| { |
| CHIP_ERROR err; |
| rsError status = RS_ERROR_NONE; |
| PDM_teStatus pdmStatus; |
| |
| mutex_lock(mBuffer, osaWaitForever_c); |
| status = ramStorageDelete(mBuffer, aKey, aIndex); |
| SuccessOrExit(err = MapStatusToChipError(status)); |
| pdmStatus = PDM_SaveRecord(mPdmId, mBuffer); |
| SuccessOrExit(err = MapPdmStatusToChipError(pdmStatus)); |
| |
| exit: |
| mutex_unlock(mBuffer); |
| return err; |
| } |
| |
| void RamStorage::OnFactoryReset() |
| { |
| uint16_t i = 0; |
| uint16_t length; |
| |
| mutex_lock(mBuffer, osaWaitForever_c); |
| // Have to cover the extended search case, in which a large RAM |
| // buffer is saved at multiple PDM ids. |
| if (mExtendedSearch) |
| { |
| while (PDM_bDoesDataExist(mPdmId + i, &length)) |
| { |
| ChipLogProgress(DeviceLayer, "Ram Storage: delete PDM id: 0x%x", mPdmId + i); |
| PDM_vDeleteDataRecord(mPdmId + i); |
| i++; |
| } |
| } |
| else |
| { |
| ChipLogProgress(DeviceLayer, "Ram Storage: delete PDM id: 0x%x", mPdmId); |
| PDM_vDeleteDataRecord(mPdmId); |
| } |
| mutex_unlock(mBuffer); |
| FreeBuffer(); |
| } |
| |
| CHIP_ERROR RamStorage::MapStatusToChipError(rsError rsStatus) const |
| { |
| CHIP_ERROR err; |
| |
| switch (rsStatus) |
| { |
| case RS_ERROR_NONE: |
| err = CHIP_NO_ERROR; |
| break; |
| case RS_ERROR_NOT_FOUND: |
| err = CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND; |
| break; |
| default: |
| err = CHIP_ERROR_BUFFER_TOO_SMALL; |
| break; |
| } |
| |
| return err; |
| } |
| |
| CHIP_ERROR RamStorage::MapPdmStatusToChipError(PDM_teStatus status) const |
| { |
| CHIP_ERROR err; |
| |
| switch (status) |
| { |
| case PDM_E_STATUS_OK: |
| err = CHIP_NO_ERROR; |
| break; |
| default: |
| err = CHIP_ERROR(ChipError::Range::kPlatform, status); |
| break; |
| } |
| |
| return err; |
| } |
| |
| } // namespace chip::DeviceLayer::Internal |