urtware / inc / urt_primitives.h @ 2c811df1
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/*
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µRtWare is a lightweight publish/subscribe middleware for real-time
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applications. It was developed as part of the software habitat for the
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Autonomous Mini Robot [1] (AMiRo) but can be used for other purposes as well.
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Copyright (C) 2018..2020 Thomas Schöpping et al.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef URT_PRIMITIVES_H
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#define URT_PRIMITIVES_H
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#include <urtware.h> |
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#include <stdint.h> |
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/*============================================================================*/
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/* CONSTANTS */
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/*============================================================================*/
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/**
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* @brief Special constant value for immediate (nonexistent) delays.
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*/
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#define URT_DELAY_IMMEDIATE (urt_delay_t)0 |
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/**
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* @brief Special constant value for infinite delays.
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*/
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#define URT_DELAY_INFINITE (urt_delay_t)~0 |
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/*============================================================================*/
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/* SETTINGS */
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/*============================================================================*/
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/*============================================================================*/
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/* CHECKS */
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/*============================================================================*/
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/*============================================================================*/
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/* DATA STRUCTURES AND TYPES */
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/*============================================================================*/
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/**
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* @brief Type for temporal delays (in microseconds).
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*/
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#if (URT_CFG_DELAY_WIDTH == 32) |
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typedef uint32_t urt_delay_t;
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#elif (URT_CFG_DELAY_WIDTH == 64) |
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typedef uint64_t urt_delay_t;
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#else
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# error "URT_CFG_DELAY_WIDTH must be set to 32 or 64." |
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#endif
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/**
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* @brief Type to use for the node stage value.
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* @details Use wide types only if you need to synchronize the system very often.
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*/
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#if (URT_CFG_NODESTAGE_WIDTH == 8) |
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typedef uint8_t urt_nodestage_t;
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#elif (URT_CFG_NODESTAGE_WIDTH == 16) |
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typedef uint16_t urt_nodestage_t;
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#elif (URT_CFG_NODESTAGE_WIDTH == 32) |
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typedef uint32_t urt_nodestage_t;
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#elif (URT_CFG_NODESTAGE_WIDTH == 64) |
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typedef uint64_t urt_nodestage_t;
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#else
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# error "URT_CFG_NODESTAGE_WIDTH must be set to 8, 16, 32 or 64." |
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#endif
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/**
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* @brief General status type used throughout µRtWare and its interfaces.
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*/
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typedef enum { |
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URT_STATUS_OK = 0, /**< Status indicating success. */ |
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URT_STATUS_DEADLINEVIOLATION, /**< Status indicating a violated deadline. */
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URT_STATUS_JITTERVIOLATION, /**< Status indicating a violated jitter requirement. */
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URT_STATUS_RATEVIOLATION, /**< Status indicating a violated rate requirement. */
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URT_STATUS_SYNC_PENDING, /**< Status indicating a synchronization barrier. */
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URT_STATUS_SYNC_ERROR, /**< Status indicating a failed synchronization. */
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URT_STATUS_NODE_INVALEVTMASK, /**< Status indicating an invalid event mask. */
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#if (URT_CFG_PUBSUB_ENABLED == true) || defined(__DOXYGEN__) |
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URT_STATUS_TOPIC_DUPLICATE, /**< Status indicating multiple use of the same topic ID. */
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URT_STATUS_PUBLISH_TIMEOUT, /**< Status indicating a timeout when publishinh a message. */
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URT_STATUS_SUBSCRIBE_TOPICSET, /**< Status indicating that the subscriber is already associated to a topic. */
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URT_STATUS_FETCH_NOTOPIC, /**< Status indicating that the subscriber is not associated to any topic. */
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URT_STATUS_FETCH_NOMESSAGE, /**< Status indicating that no message could be fetched. */
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URT_STATUS_UNSUBSCRIBE_NOTOPIC, /**< Status indicating that the subscriber is not associated to an topic. */
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#endif /* URT_CFG_PUBSUB_ENABLED == true */ |
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#if (URT_CFG_RPC_ENABLED == true) || defined(__DOXYGEN__) |
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URT_STATUS_SERVICE_DUPLICATE, /**< Status indicating multiple use of the same service ID. */
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URT_STATUS_REQUEST_BADOWNER, /**< Status indicating that a request is currently owned by another component. */
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URT_STATUS_REQUEST_LOCKED, /**< Status indicating a currently locked request. */
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#endif /* URT_CFG_RPC_ENABLED == true */ |
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} urt_status_t; |
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#if (URT_CFG_PUBSUB_ENABLED == true) || defined(__DOXYGEN__) |
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# if (URT_CFG_PUBSUB_TOPICID_WIDTH == 8) |
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typedef uint8_t urt_topicid_t;
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# elif (URT_CFG_PUBSUB_TOPICID_WIDTH == 16) |
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typedef uint16_t urt_topicid_t;
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# elif (URT_CFG_PUBSUB_TOPICID_WIDTH == 32) |
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typedef uint32_t urt_topicid_t;
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# elif (URT_CFG_PUBSUB_TOPICID_WIDTH == 64) |
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typedef uint64_t urt_topicid_t;
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# else
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# error "URT_CFG_PUBSUB_TOPICID_WIDTH must be set to 8, 16, 32 or 64." |
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# endif
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#endif /* URT_CFG_PUBSUB_ENABLED == true */ |
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#if (URT_CFG_RPC_ENABLED == true) || defined(__DOXYGEN__) |
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# if (URT_CFG_RPC_SERVICEID_WIDTH == 8) |
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typedef uint8_t urt_serviced_t;
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# elif (URT_CFG_RPC_SERVICEID_WIDTH == 16) |
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typedef uint16_t urt_serviced_t;
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# elif (URT_CFG_RPC_SERVICEID_WIDTH == 32) |
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typedef uint32_t urt_serviced_t;
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# elif (URT_CFG_RPC_SERVICEID_WIDTH == 64) |
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typedef uint64_t urt_serviced_t;
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# else
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# error "URT_CFG_RPC_SERVICEID_WIDTH must be set to 8, 16, 32 or 64." |
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# endif
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#endif /* URT_CFG_RPC_ENABLED == true */ |
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/**
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* @brief Usefulness calculation function type.
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*
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* @param[in] dt Delay to calculate the usefulness for.
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* @param[in] param Pointer to optional parameters (may be NULL).
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*
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* return The usefulness (of some data) after the specified delay as value in range [0, 1].
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*/
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typedef float (*urt_usefulness_f)(urt_delay_t dt, void* params); |
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/*============================================================================*/
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/* MACROS */
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/*============================================================================*/
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/*============================================================================*/
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/* EXTERN DECLARATIONS */
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/*============================================================================*/
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/*============================================================================*/
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/* INLINE FUNCTIONS */
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/*============================================================================*/
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#endif /* URT_PRIMITIVES_H */ |