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SourceVuESP-IDF Framework and ExamplesESP-IDFnvs::Storage::writeItem()

nvs::Storage::writeItem() method

Syntax

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Summary

Declaration

Definition

from nvs_storage.hpp:73

esp_err_t writeItem(uint8_t nsIndex, ItemType datatype, const char* key, const void* data, size_t dataSize);

Implemented in nvs_storage.cpp:375

Arguments

Argument

nsIndex

datatype

key

data

dataSize

References

Code

Location

Scope

Referrer

esp_err_t Storage::writeItem(uint8_t nsIndex, ItemType datatype, const char* key, const void* data, size_t dataSize)

nvs_storage.cpp:375

esp_err_t writeItem(uint8_t nsIndex, const char* key, const T& value)

nvs_storage.hpp:84

esp_err_t writeItem(uint8_t nsIndex, ItemType datatype, const char* key, const void* data, size_t dataSize);

nvs_storage.hpp:73

return mStoragePtr->writeItem(mNsIndex, datatype, key, data, dataSize);

nvs_handle_simple.cpp:21

nvs::NVSHandleSimple

nvs::NVSHandleSimple::set_typed_item()

return mStoragePtr->writeItem(mNsIndex, nvs::ItemType::SZ, key, str, strlen(str) + 1);

nvs_handle_simple.cpp:36

nvs::NVSHandleSimple

nvs::NVSHandleSimple::set_string()

return mStoragePtr->writeItem(mNsIndex, nvs::ItemType::BLOB, key, blob, len);

nvs_handle_simple.cpp:44

nvs::NVSHandleSimple

nvs::NVSHandleSimple::set_blob()

auto err = writeItem(Page::NS_INDEX, ItemType::U8, nsName, &ns, sizeof(ns));

nvs_storage.cpp:558

nvs::Storage::createOrOpenNamespace()

Call Tree

nvs::Storage::writeItem() is called by 4 functions and calls 11 functions:

nvs::Storage::createOrOpenNamespace()

nvs::NVSHandleSimple::set_typed_item()

nvs::NVSHandleSimple::set_string()

nvs::NVSHandleSimple::set_blob()

nvs::Storage::writeItem()

nvs::Page::state() const

nvs::Storage::getCurrentPage()

nvs::Item::Item()

nvs::Page::writeItem()

nvs::Page::cmpItem()

nvs::Page::eraseItem()

nvs::Page::markFull()

nvs::Storage::cmpMultiPageBlob()

nvs::Storage::eraseMultiPageBlob()

nvs::Storage::writeMultiPageBlob()

nvs::Storage::findItem()

Data Use

nvs::Storage::writeItem() reads 13 variables:

nvs::ItemType::BLOB_IDX

nvs::ItemType::ANY

nvs::VerOffset::VER_0_OFFSET

nvs::VerOffset::VER_1_OFFSET

nvs::Item::::::datatype

nvs::Page::PageState::UNINITIALIZED

nvs::Page::PageState::FULL

nvs::Page::PageState::INVALID

nvs::Storage::StorageState::ACTIVE

nvs::Storage::mState

nvs::ItemType::BLOB

nvs::Item::::::::::chunkStart

nvs::Item::::::::blobIndex

nvs::Storage::writeItem()

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