CANopenNode
CANopen protocol stack
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CO_storage_entry_t Struct Reference

Data storage object for one entry. More...

#include <CO_driver.h>

Data Fields

void * addr
 Address of data to store, always required.
 
size_t len
 Length of data to store, always required.
 
uint8_t subIndexOD
 Sub index in OD objects 1010 and 1011, from 2 to 127.
 
uint8_t attr
 Attribute from CO_storage_attributes_t, always required.
 
void * storageModule
 Pointer to storage module, target system specific usage, required with Data storage in eeprom.
 
uint16_t crc
 CRC checksum of the data stored in eeprom, set on store, required with Data storage in eeprom.
 
size_t eepromAddrSignature
 Address of entry signature inside eeprom, set by init, required with Data storage in eeprom.
 
size_t eepromAddr
 Address of data inside eeprom, set by init, required with Data storage in eeprom.
 
size_t offset
 Offset of next byte being updated by automatic storage, required with Data storage in eeprom.
 
void * additionalParameters
 Additional target specific parameters, optional.
 

Detailed Description

Data storage object for one entry.

Must be defined in the CO_driver_target.h file.

For more information on Data storage see Data storage base or CO_storage.h file. Structure members documented here are always required or required with Data storage in eeprom. Target system may add own additional, hardware specific variables.

Field Documentation

◆ subIndexOD

uint8_t CO_storage_entry_t::subIndexOD

Sub index in OD objects 1010 and 1011, from 2 to 127.

Writing 0x65766173 to 1010,subIndexOD will store data to non-volatile memory Writing 0x64616F6C to 1011,subIndexOD will restore default data, always required.


The documentation for this struct was generated from the following file: