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第一版代码，为了在EEPROM保存参数的时候走STM32的CRC，让Codex修改了一下，现在的效果是无法存储，codex表示原因是CRC方法不同，修改到一半今天的额度使用完了，有待后续解决CRC的bug

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2026-02-28 17:36:05 +08:00
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/**
* CANopen Object Dictionary interface
*
* @file CO_ODinterface.h
* @ingroup CO_ODinterface
* @author Janez Paternoster
* @copyright 2020 Janez Paternoster
*
* This file is part of <https://github.com/CANopenNode/CANopenNode>, a CANopen Stack.
*
* 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.
*/
#ifndef CO_OD_INTERFACE_H
#define CO_OD_INTERFACE_H
#include "301/CO_driver.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup CO_ODinterface OD interface
* CANopen Object Dictionary interface.
*
* @ingroup CO_CANopen_301
* @{
* See @ref md_doc_2objectDictionary
*/
#ifndef CO_OD_OWN_TYPES
typedef uint32_t OD_size_t; /**< Variable of type OD_size_t contains data length in bytes of OD variable */
typedef uint8_t OD_attr_t; /**< Type (and size) of Object Dictionary attribute */
#endif
#ifndef OD_FLAGS_PDO_SIZE
#define OD_FLAGS_PDO_SIZE 4U /**< Size of of flagsPDO variable inside @ref OD_extension_t, from 0 to 32. */
#endif
#ifndef CO_PROGMEM
/** Modifier for OD objects. This is large amount of data and is specified in Object Dictionary (OD.c file usually) */
#define CO_PROGMEM const
#endif
/**
* Common DS301 object dictionary entries.
*/
typedef enum {
OD_H1000_DEV_TYPE = 0x1000U, /**< Device type */
OD_H1001_ERR_REG = 0x1001U, /**< Error register */
OD_H1002_MANUF_STATUS_REG = 0x1002U, /**< Manufacturer status register */
OD_H1003_PREDEF_ERR_FIELD = 0x1003U, /**< Predefined error field */
OD_H1004_RSV = 0x1004U, /**< Reserved */
OD_H1005_COBID_SYNC = 0x1005U, /**< Sync message cob-id */
OD_H1006_COMM_CYCL_PERIOD = 0x1006U, /**< Communication cycle period */
OD_H1007_SYNC_WINDOW_LEN = 0x1007U, /**< Sync windows length */
OD_H1008_MANUF_DEV_NAME = 0x1008U, /**< Manufacturer device name */
OD_H1009_MANUF_HW_VERSION = 0x1009U, /**< Manufacturer hardware version */
OD_H100A_MANUF_SW_VERSION = 0x100AU, /**< Manufacturer software version */
OD_H100B_RSV = 0x100BU, /**< Reserved */
OD_H100C_GUARD_TIME = 0x100CU, /**< Guard time */
OD_H100D_LIFETIME_FACTOR = 0x100DU, /**< Life time factor */
OD_H100E_RSV = 0x100EU, /**< Reserved */
OD_H100F_RSV = 0x100FU, /**< Reserved */
OD_H1010_STORE_PARAMETERS = 0x1010U, /**< Store params in persistent mem. */
OD_H1011_RESTORE_DEFAULT = 0x1011U, /**< Restore default parameters */
OD_H1012_COBID_TIME = 0x1012U, /**< Timestamp message cob-id */
OD_H1013_HIGH_RES_TIMESTAMP = 0x1013U, /**< High resolution timestamp */
OD_H1014_COBID_EMERGENCY = 0x1014U, /**< Emergency message cob-id */
OD_H1015_INHIBIT_TIME_EMCY = 0x1015U, /**< Inhibit time emergency message */
OD_H1016_CONSUMER_HB_TIME = 0x1016U, /**< Consumer heartbeat time */
OD_H1017_PRODUCER_HB_TIME = 0x1017U, /**< Producer heartbeat time */
OD_H1018_IDENTITY_OBJECT = 0x1018U, /**< Identity object */
OD_H1019_SYNC_CNT_OVERFLOW = 0x1019U, /**< Sync counter overflow value */
OD_H1020_VERIFY_CONFIG = 0x1020U, /**< Verify configuration */
OD_H1021_STORE_EDS = 0x1021U, /**< Store EDS */
OD_H1022_STORE_FORMAT = 0x1022U, /**< Store format */
OD_H1023_OS_CMD = 0x1023U, /**< OS command */
OD_H1024_OS_CMD_MODE = 0x1024U, /**< OS command mode */
OD_H1025_OS_DBG_INTERFACE = 0x1025U, /**< OS debug interface */
OD_H1026_OS_PROMPT = 0x1026U, /**< OS prompt */
OD_H1027_MODULE_LIST = 0x1027U, /**< Module list */
OD_H1028_EMCY_CONSUMER = 0x1028U, /**< Emergency consumer object */
OD_H1029_ERR_BEHAVIOR = 0x1029U, /**< Error behaviour */
OD_H1200_SDO_SERVER_1_PARAM = 0x1200U, /**< SDO server parameter */
OD_H1280_SDO_CLIENT_1_PARAM = 0x1280U, /**< SDO client parameter */
OD_H1300_GFC_PARAM = 0x1300U, /**< Global fail-safe command param */
OD_H1301_SRDO_1_PARAM = 0x1301U, /**< SRDO communication parameter */
OD_H1381_SRDO_1_MAPPING = 0x1381U, /**< SRDO mapping parameter */
OD_H13FE_SRDO_VALID = 0x13FEU, /**< SRDO Configuration valid */
OD_H13FF_SRDO_CHECKSUM = 0x13FFU, /**< SRDO configuration checksum */
OD_H1400_RXPDO_1_PARAM = 0x1400U, /**< RXPDO communication parameter */
OD_H1600_RXPDO_1_MAPPING = 0x1600U, /**< RXPDO mapping parameters */
OD_H1800_TXPDO_1_PARAM = 0x1800U, /**< TXPDO communication parameter */
OD_H1A00_TXPDO_1_MAPPING = 0x1A00U, /**< TXPDO mapping parameters */
} OD_ObjDicId_30x_t;
/**
* Attributes (bit masks) for OD sub-object.
*/
typedef enum {
ODA_SDO_R = 0x01U, /**< SDO server may read from the variable */
ODA_SDO_W = 0x02U, /**< SDO server may write to the variable */
ODA_SDO_RW = 0x03U, /**< SDO server may read from or write to the variable */
ODA_TPDO = 0x04U, /**< Variable is mappable into TPDO (can be read) */
ODA_RPDO = 0x08U, /**< Variable is mappable into RPDO (can be written) */
ODA_TRPDO = 0x0CU, /**< Variable is mappable into TPDO or RPDO */
ODA_TSRDO = 0x10U, /**< Variable is mappable into transmitting SRDO */
ODA_RSRDO = 0x20U, /**< Variable is mappable into receiving SRDO */
ODA_TRSRDO = 0x30U, /**< Variable is mappable into tx or rx SRDO */
ODA_MB = 0x40U, /**< Variable is multi-byte ((u)int16_t to (u)int64_t) */
ODA_STR = 0x80U /**< Shorter value, than specified variable size, may be written to the variable. SDO write will
fill remaining memory with zeroes. Attribute is used for VISIBLE_STRING and UNICODE_STRING. */
} OD_attributes_t;
/**
* Return codes from OD access functions.
*
* @ref OD_getSDOabCode() can be used to retrieve corresponding SDO abort code.
*/
typedef enum {
/* !!!! WARNING !!!! If changing these values, change also OD_getSDOabCode() function! */
ODR_PARTIAL = -1, /**< Read/write is only partial, make more calls */
ODR_OK = 0, /**< SDO abort 0x00000000 - Read/write successfully finished */
ODR_OUT_OF_MEM = 1, /**< SDO abort 0x05040005 - Out of memory */
ODR_UNSUPP_ACCESS = 2, /**< SDO abort 0x06010000 - Unsupported access to an object */
ODR_WRITEONLY = 3, /**< SDO abort 0x06010001 - Attempt to read a write only object */
ODR_READONLY = 4, /**< SDO abort 0x06010002 - Attempt to write a read only object */
ODR_IDX_NOT_EXIST = 5, /**< SDO abort 0x06020000 - Object does not exist in the object dict. */
ODR_NO_MAP = 6, /**< SDO abort 0x06040041 - Object cannot be mapped to the PDO */
ODR_MAP_LEN = 7, /**< SDO abort 0x06040042 - PDO length exceeded */
ODR_PAR_INCOMPAT = 8, /**< SDO abort 0x06040043 - General parameter incompatibility reasons */
ODR_DEV_INCOMPAT = 9, /**< SDO abort 0x06040047 - General internal incompatibility in device */
ODR_HW = 10, /**< SDO abort 0x06060000 - Access failed due to hardware error */
ODR_TYPE_MISMATCH = 11, /**< SDO abort 0x06070010 - Data type does not match */
ODR_DATA_LONG = 12, /**< SDO abort 0x06070012 - Data type does not match, length too high */
ODR_DATA_SHORT = 13, /**< SDO abort 0x06070013 - Data type does not match, length too short */
ODR_SUB_NOT_EXIST = 14, /**< SDO abort 0x06090011 - Sub index does not exist */
ODR_INVALID_VALUE = 15, /**< SDO abort 0x06090030 - Invalid value for parameter (download only) */
ODR_VALUE_HIGH = 16, /**< SDO abort 0x06090031 - Value range of parameter written too high */
ODR_VALUE_LOW = 17, /**< SDO abort 0x06090032 - Value range of parameter written too low */
ODR_MAX_LESS_MIN = 18, /**< SDO abort 0x06090036 - Maximum value is less than minimum value */
ODR_NO_RESOURCE = 19, /**< SDO abort 0x060A0023 - Resource not available: SDO connection */
ODR_GENERAL = 20, /**< SDO abort 0x08000000 - General error */
ODR_DATA_TRANSF = 21, /**< SDO abort 0x08000020 - Data cannot be transferred or stored to app */
ODR_DATA_LOC_CTRL = 22, /**< SDO abort 0x08000021 - Data can't be transferred (local control) */
ODR_DATA_DEV_STATE = 23, /**< SDO abort 0x08000022 - Data can't be transf. (present device state) */
ODR_OD_MISSING = 24, /**< SDO abort 0x08000023 - Object dictionary not present */
ODR_NO_DATA = 25, /**< SDO abort 0x08000024 - No data available */
ODR_COUNT = 26 /**< Last element, number of responses */
} ODR_t;
/**
* IO stream structure, used for read/write access to OD variable, part of @ref OD_IO_t.
*/
typedef struct {
void* dataOrig; /**< Pointer to original data object, defined by Object Dictionary. Default read/write functions
* operate on it. If memory for data object is not specified by Object Dictionary, then dataOrig is
* NULL. */
void* object; /**< Pointer to object, passed by @ref OD_extension_init(). Can be used inside read / write functions
* from IO extension. */
OD_size_t dataLength; /**< Data length in bytes or 0, if length is not specified */
OD_size_t dataOffset; /**< In case of large data, dataOffset indicates position of already transferred data */
OD_attr_t attribute; /**< Attribute bit-field of the OD sub-object, see @ref OD_attributes_t */
uint16_t index; /**< Index of the OD object, informative */
uint8_t subIndex; /**< Sub index of the OD sub-object, informative */
} OD_stream_t;
/**
* Structure for input / output on the OD variable. It is initialized with @ref OD_getSub() function. Access principle
* to OD variable is via read/write functions operating on stream, similar as standard read/write.
*/
typedef struct {
/** Object Dictionary stream object, passed to read or write */
OD_stream_t stream;
/**
* Function pointer for reading value from specified variable from Object Dictionary. If OD variable is larger than
* buf, then this function must be called several times. After completed successful read function returns 'ODR_OK'.
* If read is partial, it returns 'ODR_PARTIAL'. In case of errors function returns code similar to SDO abort code.
*
* Read can be restarted with @ref OD_rwRestart() function.
*
* At the moment, when Object Dictionary is initialized, every variable has assigned the same "read" function. This
* default function simply copies data from Object Dictionary variable. Application can bind its own "read" function
* for specific object. In that case application is able to calculate data for reading from own internal state at
* the moment of "read" function call. Own "read" function on OD object can be initialized with @ref
* OD_extension_init() function.
*
* "read" function must always copy all own data to buf, except if "buf" is not large enough. ("*returnCode" must
* not return 'ODR_PARTIAL', if there is still space in "buf".)
*
* @warning Do not use @ref CO_LOCK_OD() and @ref CO_UNLOCK_OD() macros inside the read() function. See also @ref
* CO_critical_sections.
*
* @param stream Object Dictionary stream object.
* @param buf Pointer to external buffer, where to data will be copied.
* @param count Size of the external buffer in bytes.
* @param [out] countRead If return value is "ODR_OK" or "ODR_PARTIAL", then number of bytes successfully read must
* be returned here.
*
* @return Value from @ref ODR_t, "ODR_OK" in case of success.
*/
ODR_t (*read)(OD_stream_t* stream, void* buf, OD_size_t count, OD_size_t* countRead);
/**
* Function pointer for writing value into specified variable inside Object Dictionary. If OD variable is larger
* than buf, then this function must be called several times. After completed successful write function returns
* 'ODR_OK'. If write is partial, it returns 'ODR_PARTIAL'. In case of errors function returns code similar to SDO
* abort code.
*
* Write can be restarted with @ref OD_rwRestart() function.
*
* At the moment, when Object Dictionary is initialized, every variable has assigned the same "write" function,
* which simply copies data to Object Dictionary variable. Application can bind its own "write" function, similar as
* it can bind "read" function.
*
* "write" function must always copy all available data from buf. If OD variable expect more data, then
* "*returnCode" must return 'ODR_PARTIAL'.
*
* @warning Do not use @ref CO_LOCK_OD() and @ref CO_UNLOCK_OD() macros inside the write() function. See also @ref
* CO_critical_sections.
*
* @param stream Object Dictionary stream object.
* @param buf Pointer to external buffer, from where data will be copied.
* @param count Size of the external buffer in bytes.
* @param [out] countWritten If return value is "ODR_OK" or "ODR_PARTIAL", then number of bytes successfully written
* must be returned here.
*
* @return Value from @ref ODR_t, "ODR_OK" in case of success.
*/
ODR_t (*write)(OD_stream_t* stream, const void* buf, OD_size_t count, OD_size_t* countWritten);
} OD_IO_t;
/**
* Extension of OD object, which can optionally be specified by application in initialization phase with @ref
* OD_extension_init() function.
*/
typedef struct {
/** Object on which read and write will operate, part of @ref OD_stream_t */
void* object;
/** Application specified read function pointer. If NULL, then read will be disabled. @ref OD_readOriginal can be
* used here to keep the original read function. For function description see @ref OD_IO_t. */
ODR_t (*read)(OD_stream_t* stream, void* buf, OD_size_t count, OD_size_t* countRead);
/** Application specified write function pointer. If NULL, then write will be disabled. @ref OD_writeOriginal can be
* used here to keep the original write function. For function description see @ref OD_IO_t. */
ODR_t (*write)(OD_stream_t* stream, const void* buf, OD_size_t count, OD_size_t* countWritten);
#if OD_FLAGS_PDO_SIZE > 0
/** PDO flags bit-field provides one bit for each OD variable, which exist inside OD object at specific sub index.
* If application clears that bit, and OD variable is mapped to an event driven TPDO, then TPDO will be sent.
*
* @ref OD_FLAGS_PDO_SIZE can have a value from 0 to 32 bytes, which corresponds to 0 to 256 available bits. If, for
* example, @ref OD_FLAGS_PDO_SIZE has value 4, then OD variables with sub index up to 31 will have the TPDO
* requesting functionality. See also @ref OD_requestTPDO and @ref OD_TPDOtransmitted. */
uint8_t flagsPDO[OD_FLAGS_PDO_SIZE];
#endif
} OD_extension_t;
/**
* Object Dictionary entry for one OD object.
*
* OD entries are collected inside OD_t as array (list). Each OD entry contains basic information about OD object (index
* and subEntriesCount), pointer to odObject with additional information about var, array or record entry and pointer to
* extension, configurable by application.
*/
typedef struct {
uint16_t index; /**< Object Dictionary index */
uint8_t subEntriesCount; /**< Number of all sub-entries, including sub-entry at sub-index 0 */
uint8_t odObjectType; /**< Type of the odObject, indicated by @ref OD_objectTypes_t enumerator. */
CO_PROGMEM void* odObject; /**< OD object of type indicated by odObjectType, from which @ref OD_getSub() fetches the
information */
OD_extension_t* extension; /**< Extension to OD, specified by application */
} OD_entry_t;
/**
* Object Dictionary
*/
typedef struct {
uint16_t size; /**< Number of elements in the list, without last element, which is blank */
OD_entry_t* list; /**< List OD entries (table of contents), ordered by index */
} OD_t;
/**
* Read value from original OD location
*
* This function can be used inside read / write functions, specified by @ref OD_extension_init(). It reads data
* directly from memory location specified by Object dictionary. If no IO extension is used on OD entry, then io->read
* returned by @ref OD_getSub() equals to this function. See also @ref OD_IO_t.
*/
ODR_t OD_readOriginal(OD_stream_t* stream, void* buf, OD_size_t count, OD_size_t* countRead);
/**
* Write value to original OD location
*
* This function can be used inside read / write functions, specified by @ref OD_extension_init(). It writes data
* directly to memory location specified by Object dictionary. If no IO extension is used on OD entry, then io->write
* returned by @ref OD_getSub() equals to this function. See also @ref OD_IO_t.
*/
ODR_t OD_writeOriginal(OD_stream_t* stream, const void* buf, OD_size_t count, OD_size_t* countWritten);
/**
* Find OD entry in Object Dictionary
*
* @param od Object Dictionary
* @param index CANopen Object Dictionary index of object in Object Dictionary
*
* @return Pointer to OD entry or NULL if not found
*/
OD_entry_t* OD_find(OD_t* od, uint16_t index);
/**
* Find sub-object with specified sub-index on OD entry returned by OD_find. Function populates io structure with
* sub-object data.
*
* @warning
* Read and write functions may be called from different threads, so critical sections in custom functions must be
* observed, see @ref CO_critical_sections.
*
* @param entry Object Dictionary entry.
* @param subIndex Sub-index of the variable from the OD object.
* @param [out] io Structure will be populated on success.
* @param odOrig If true, then potential IO extension on entry will be ignored and access to data entry in the original
* OD location will be returned
*
* @return Value from @ref ODR_t, "ODR_OK" in case of success.
*/
ODR_t OD_getSub(const OD_entry_t* entry, uint8_t subIndex, OD_IO_t* io, bool_t odOrig);
/**
* Return index from OD entry
*
* @param entry Object Dictionary entry.
*
* @return OD index
*/
static inline uint16_t
OD_getIndex(const OD_entry_t* entry) {
return (entry != NULL) ? entry->index : 0U;
}
/**
* Check, if OD variable is mappable to PDO or SRDO.
*
* If OD variable is mappable, then it may be necessary to protect read/write access from mainline function. See @ref
* CO_critical_sections.
*
* @param stream Object Dictionary stream object.
*
* @return true, if OD variable is mappable.
*/
static inline bool_t
OD_mappable(OD_stream_t* stream) {
return (stream != NULL) ? ((stream->attribute & ((OD_attr_t)ODA_TRPDO | (OD_attr_t)ODA_TRSRDO)) != 0U) : false;
}
/**
* Restart read or write operation on OD variable
*
* It is not necessary to call this function, if stream was initialized by @ref OD_getSub(). It is also not necessary to
* call this function, if previous read or write was successfully finished.
*
* @param stream Object Dictionary stream object.
*/
static inline void
OD_rwRestart(OD_stream_t* stream) {
if (stream != NULL) {
stream->dataOffset = 0U;
}
}
/**
* Request TPDO, to which OD variable is mapped
*
* Function clears the flagPDO bit, which corresponds to OD variable at specific OD index and subindex. For this
* functionality to work, @ref OD_extension_t must be enabled on OD variable. If OD variable is mapped to any TPDO with
* event driven transmission, then TPDO will be transmitted after this function call. If OD variable is mapped to more
* than one TPDO with event driven transmission, only the first matched TPDO will be transmitted.
*
* TPDO event driven transmission is enabled, if TPDO communication parameter, transmission type is set to 0, 254
* or 255. For other transmission types (synchronous) flagPDO bit is ignored.
*
* @param entry Object Dictionary entry.
* @param subIndex subIndex of the OD variable.
*/
static inline void
OD_requestTPDO(OD_entry_t* entry, uint8_t subIndex) {
#if OD_FLAGS_PDO_SIZE > 0
if ((entry != NULL) && (entry->extension != NULL) && (subIndex < (OD_FLAGS_PDO_SIZE * 8U))) {
/* clear subIndex-th bit */
uint8_t mask = ~(1U << (subIndex & 0x07U));
entry->extension->flagsPDO[subIndex >> 3] &= mask;
}
#endif
}
/**
* Check if requested TPDO was transmitted
*
* @param entry Object Dictionary entry.
* @param subIndex subIndex of the OD variable.
*
* @return Return true if event driven TPDO with mapping to OD variable, indicated by entry and subIndex, was
* transmitted since last @ref OD_requestTPDO call. If there was no @ref OD_requestTPDO call yet and TPDO was
* transmitted by other event, function also returns true.
*/
static inline bool_t
OD_TPDOtransmitted(OD_entry_t* entry, uint8_t subIndex) {
#if OD_FLAGS_PDO_SIZE > 0
if ((entry != NULL) && (entry->extension != NULL) && (subIndex < (OD_FLAGS_PDO_SIZE * 8U))) {
/* return true, if subIndex-th bit is set */
uint8_t mask = 1U << (subIndex & 0x07U);
if ((entry->extension->flagsPDO[subIndex >> 3] & mask) != 0U) {
return true;
}
}
#endif
return false;
}
/**
* Get SDO abort code from returnCode
*
* @param returnCode Returned from some OD access functions
*
* @return Corresponding @ref CO_SDO_abortCode_t
*/
uint32_t OD_getSDOabCode(ODR_t returnCode);
/**
* Extend OD object with own read/write functions and/or flagsPDO
*
* This function gives application very powerful tool: definition of own IO access on OD object. Structure and
* attributes are the same as defined in original OD object, but data are read directly from (or written directly to)
* application specified object via custom function calls.
*
* Before this function specifies extension, OD variables are accessed from original OD location. After this function
* specifies extension OD variables are accessed from read/write functions specified by extension. (Except when "odOrig"
* argument to @ref OD_getSub() is set to true.)
*
* This function must also be used, when flagsPDO needs to be enabled for specific entry.
*
* @warning
* Object dictionary storage works only directly on OD variables. It does not access read function specified here. So,
* if extended OD objects needs to be preserved, then @ref OD_writeOriginal can be used inside custom write function.
*
* @warning
* Read and write functions may be called from different threads, so critical sections in custom functions must be
* observed, see @ref CO_critical_sections.
*
* @param entry Object Dictionary entry.
* @param extension Extension object, which must be initialized externally. Extension object must exist permanently. If
* NULL, extension will be removed.
*
* @return "ODR_OK" on success, "ODR_IDX_NOT_EXIST" if OD object doesn't exist.
*/
static inline ODR_t
OD_extension_init(OD_entry_t* entry, OD_extension_t* extension) {
if (entry == NULL) {
return ODR_IDX_NOT_EXIST;
}
entry->extension = extension;
return ODR_OK;
}
/**
* @defgroup CO_ODgetSetters Getters and setters
* @{
*
* Getter and setter helper functions for accessing different types of Object Dictionary variables.
*/
/**
* Get variable from Object Dictionary
*
* @param entry Object Dictionary entry.
* @param subIndex Sub-index of the variable from the OD object.
* @param [out] val Value will be written here.
* @param len Size of value to retrieve from OD.
* @param odOrig If true, then potential IO extension on entry will be ignored and data in the original OD location will
* be returned.
*
* @return Value from @ref ODR_t, "ODR_OK" in case of success. Error, if variable does not exist in object dictionary or
* it does not have the correct length or other reason.
*/
ODR_t OD_get_value(const OD_entry_t* entry, uint8_t subIndex, void* val, OD_size_t len, bool_t odOrig);
/** Get int8_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_i8(const OD_entry_t* entry, uint8_t subIndex, int8_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get int16_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_i16(const OD_entry_t* entry, uint8_t subIndex, int16_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get int32_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_i32(const OD_entry_t* entry, uint8_t subIndex, int32_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get int64_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_i64(const OD_entry_t* entry, uint8_t subIndex, int64_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get uint8_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_u8(const OD_entry_t* entry, uint8_t subIndex, uint8_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get uint16_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_u16(const OD_entry_t* entry, uint8_t subIndex, uint16_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get uint32_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_u32(const OD_entry_t* entry, uint8_t subIndex, uint32_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get uint64_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_u64(const OD_entry_t* entry, uint8_t subIndex, uint64_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get float32_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_f32(const OD_entry_t* entry, uint8_t subIndex, float32_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/** Get float64_t variable from Object Dictionary, see @ref OD_get_value */
static inline ODR_t
OD_get_f64(const OD_entry_t* entry, uint8_t subIndex, float64_t* val, bool_t odOrig) {
return OD_get_value(entry, subIndex, val, sizeof(*val), odOrig);
}
/**
* Set variable in Object Dictionary
*
* @param entry Object Dictionary entry.
* @param subIndex Sub-index of the variable from the OD object.
* @param val Pointer to value to write.
* @param len Size of value to write.
* @param odOrig If true, then potential IO extension on entry will be ignored and data in the original OD location will
* be written.
*
* @return Value from @ref ODR_t, "ODR_OK" in case of success. Error, if variable does not exist in object dictionary or
* it does not have the correct length or other reason.
*/
ODR_t OD_set_value(const OD_entry_t* entry, uint8_t subIndex, void* val, OD_size_t len, bool_t odOrig);
/** Set int8_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_i8(const OD_entry_t* entry, uint8_t subIndex, int8_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set int16_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_i16(const OD_entry_t* entry, uint8_t subIndex, int16_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set int32_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_i32(const OD_entry_t* entry, uint8_t subIndex, int32_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set int32_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_i64(const OD_entry_t* entry, uint8_t subIndex, int64_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set uint8_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_u8(const OD_entry_t* entry, uint8_t subIndex, uint8_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set uint16_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_u16(const OD_entry_t* entry, uint8_t subIndex, uint16_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set uint32_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_u32(const OD_entry_t* entry, uint8_t subIndex, uint32_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set uint64_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_u64(const OD_entry_t* entry, uint8_t subIndex, uint64_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set float32_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_f32(const OD_entry_t* entry, uint8_t subIndex, float32_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/** Set float64_t variable in Object Dictionary, see @ref OD_set_value */
static inline ODR_t
OD_set_f64(const OD_entry_t* entry, uint8_t subIndex, float64_t val, bool_t odOrig) {
return OD_set_value(entry, subIndex, &val, sizeof(val), odOrig);
}
/**
* Get pointer to memory which holds data variable from Object Dictionary
*
* Function always returns "dataOrig" pointer, which points to data in the original OD location. Take care, if IO
* extension is enabled on OD entry. Take also care that "dataOrig" could be not aligned to data type.
*
* @param entry Object Dictionary entry.
* @param subIndex Sub-index of the variable from the OD object.
* @param len Required length of the variable. If len is different than zero, then actual length of the variable must
* match len or error is returned.
* @param [out] err Error reason is written here in case of error (allow NULL).
*
* @return Pointer to variable in Object Dictionary or NULL in case of error.
*/
void* OD_getPtr(const OD_entry_t* entry, uint8_t subIndex, OD_size_t len, ODR_t* err);
/** @} */ /* CO_ODgetSetters */
#if defined OD_DEFINITION || defined CO_DOXYGEN
/**
* @defgroup CO_ODdefinition OD definition objects
* @{
*
* Types and functions used only for definition of Object Dictionary
*/
/**
* Types for OD object.
*/
typedef enum {
ODT_VAR = 0x01, /**< This type corresponds to CANopen Object Dictionary object with object code equal to VAR. OD
object is type of @ref OD_obj_var_t and represents single variable of any type (any length),
located on sub-index 0. Other sub-indexes are not used. */
ODT_ARR = 0x02, /**< This type corresponds to CANopen Object Dictionary object with object code equal to ARRAY. OD
object is type of @ref OD_obj_array_t and represents array of variables with the same type,
located on sub-indexes above 0. Sub-index 0 is of type uint8_t and usually represents length of
the array. */
ODT_REC = 0x03, /**< This type corresponds to CANopen Object Dictionary object with object code equal to RECORD.
This type of OD object represents structure of the variables. Each variable from the structure
can have own type and own attribute. OD object is an array of elements of type @ref OD_obj_var_t.
Variable at sub-index 0 is of type uint8_t and usually represents number of sub-elements in the
structure. */
ODT_TYPE_MASK = 0x0F, /**< Mask for basic type */
} OD_objectTypes_t;
/**
* Object for single OD variable, used for "VAR" type OD objects
*/
typedef struct {
void* dataOrig; /**< Pointer to data */
OD_attr_t attribute; /**< Attribute bitfield, see @ref OD_attributes_t */
OD_size_t dataLength; /**< Data length in bytes */
} OD_obj_var_t;
/**
* Object for OD array of variables, used for "ARRAY" type OD objects
*/
typedef struct {
uint8_t* dataOrig0; /**< Pointer to data for sub-index 0 */
void* dataOrig; /**< Pointer to array of data */
OD_attr_t attribute0; /**< Attribute bitfield for sub-index 0, see @ref OD_attributes_t */
OD_attr_t attribute; /**< Attribute bitfield for array elements */
OD_size_t dataElementLength; /**< Data length of array elements in bytes */
OD_size_t dataElementSizeof; /**< Sizeof one array element in bytes */
} OD_obj_array_t;
/**
* Object for OD sub-elements, used in "RECORD" type OD objects
*/
typedef struct {
void* dataOrig; /**< Pointer to data */
uint8_t subIndex; /**< Sub index of element. */
OD_attr_t attribute; /**< Attribute bitfield, see @ref OD_attributes_t */
OD_size_t dataLength; /**< Data length in bytes */
} OD_obj_record_t;
/** @} */ /* CO_ODdefinition */
#endif /* defined OD_DEFINITION */
/** @} */ /* CO_ODinterface */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* CO_OD_INTERFACE_H */