OVMS3-idf/components/bt/esp_ble_mesh/mesh_core/include/mesh_access.h
lly 9b70ddbb77 ble_mesh: stack: Use model callback for operations [Zephyr]
- Previously when a model is initialized or deinitialized, in the
  access layer, we need to check the model id with the ids in the
  table in order to find the proper model operation function.
- Currently all the operation functions of each model will be set
  during the mesh initialization. When the model is found, we can
  directly use the corresponding callback for different operations.
- Currently only init/deinit operations are registered, later we
  will add more operations.
2020-09-09 14:01:17 +08:00

600 lines
21 KiB
C

/** @file
* @brief Bluetooth Mesh Access Layer APIs.
*/
/*
* Copyright (c) 2017 Intel Corporation
* Additional Copyright (c) 2018 Espressif Systems (Shanghai) PTE LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef _BLE_MESH_ACCESS_H_
#define _BLE_MESH_ACCESS_H_
#include "sdkconfig.h"
#include "mesh_buf.h"
#include "mesh_timer.h"
/**
* @brief Bluetooth Mesh Access Layer
* @defgroup bt_mesh_access Bluetooth Mesh Access Layer
* @ingroup bt_mesh
* @{
*/
#ifdef __cplusplus
extern "C" {
#endif
#define BLE_MESH_CID_NVAL 0xFFFF
#define BLE_MESH_ADDR_UNASSIGNED 0x0000
#define BLE_MESH_ADDR_ALL_NODES 0xffff
#define BLE_MESH_ADDR_PROXIES 0xfffc
#define BLE_MESH_ADDR_FRIENDS 0xfffd
#define BLE_MESH_ADDR_RELAYS 0xfffe
#define BLE_MESH_KEY_UNUSED 0xffff
#define BLE_MESH_KEY_DEV 0xfffe
/** Helper to define a mesh element within an array.
*
* In case the element has no SIG or Vendor models the helper
* macro BLE_MESH_MODEL_NONE can be given instead.
*
* @param _loc Location Descriptor.
* @param _mods Array of models.
* @param _vnd_mods Array of vendor models.
*/
#define BLE_MESH_ELEM(_loc, _mods, _vnd_mods) \
{ \
.loc = (_loc), \
.model_count = ARRAY_SIZE(_mods), \
.models = (_mods), \
.vnd_model_count = ARRAY_SIZE(_vnd_mods), \
.vnd_models = (_vnd_mods), \
}
/** Abstraction that describes a Mesh Element */
struct bt_mesh_elem {
/* Unicast Address. Set at runtime during provisioning. */
u16_t addr;
/* Location Descriptor (GATT Bluetooth Namespace Descriptors) */
const u16_t loc;
const u8_t model_count;
const u8_t vnd_model_count;
struct bt_mesh_model *const models;
struct bt_mesh_model *const vnd_models;
};
/* Foundation Models */
#define BLE_MESH_MODEL_ID_CFG_SRV 0x0000
#define BLE_MESH_MODEL_ID_CFG_CLI 0x0001
#define BLE_MESH_MODEL_ID_HEALTH_SRV 0x0002
#define BLE_MESH_MODEL_ID_HEALTH_CLI 0x0003
/* Models from the Mesh Model Specification */
#define BLE_MESH_MODEL_ID_GEN_ONOFF_SRV 0x1000
#define BLE_MESH_MODEL_ID_GEN_ONOFF_CLI 0x1001
#define BLE_MESH_MODEL_ID_GEN_LEVEL_SRV 0x1002
#define BLE_MESH_MODEL_ID_GEN_LEVEL_CLI 0x1003
#define BLE_MESH_MODEL_ID_GEN_DEF_TRANS_TIME_SRV 0x1004
#define BLE_MESH_MODEL_ID_GEN_DEF_TRANS_TIME_CLI 0x1005
#define BLE_MESH_MODEL_ID_GEN_POWER_ONOFF_SRV 0x1006
#define BLE_MESH_MODEL_ID_GEN_POWER_ONOFF_SETUP_SRV 0x1007
#define BLE_MESH_MODEL_ID_GEN_POWER_ONOFF_CLI 0x1008
#define BLE_MESH_MODEL_ID_GEN_POWER_LEVEL_SRV 0x1009
#define BLE_MESH_MODEL_ID_GEN_POWER_LEVEL_SETUP_SRV 0x100a
#define BLE_MESH_MODEL_ID_GEN_POWER_LEVEL_CLI 0x100b
#define BLE_MESH_MODEL_ID_GEN_BATTERY_SRV 0x100c
#define BLE_MESH_MODEL_ID_GEN_BATTERY_CLI 0x100d
#define BLE_MESH_MODEL_ID_GEN_LOCATION_SRV 0x100e
#define BLE_MESH_MODEL_ID_GEN_LOCATION_SETUP_SRV 0x100f
#define BLE_MESH_MODEL_ID_GEN_LOCATION_CLI 0x1010
#define BLE_MESH_MODEL_ID_GEN_ADMIN_PROP_SRV 0x1011
#define BLE_MESH_MODEL_ID_GEN_MANUFACTURER_PROP_SRV 0x1012
#define BLE_MESH_MODEL_ID_GEN_USER_PROP_SRV 0x1013
#define BLE_MESH_MODEL_ID_GEN_CLIENT_PROP_SRV 0x1014
#define BLE_MESH_MODEL_ID_GEN_PROP_CLI 0x1015
#define BLE_MESH_MODEL_ID_SENSOR_SRV 0x1100
#define BLE_MESH_MODEL_ID_SENSOR_SETUP_SRV 0x1101
#define BLE_MESH_MODEL_ID_SENSOR_CLI 0x1102
#define BLE_MESH_MODEL_ID_TIME_SRV 0x1200
#define BLE_MESH_MODEL_ID_TIME_SETUP_SRV 0x1201
#define BLE_MESH_MODEL_ID_TIME_CLI 0x1202
#define BLE_MESH_MODEL_ID_SCENE_SRV 0x1203
#define BLE_MESH_MODEL_ID_SCENE_SETUP_SRV 0x1204
#define BLE_MESH_MODEL_ID_SCENE_CLI 0x1205
#define BLE_MESH_MODEL_ID_SCHEDULER_SRV 0x1206
#define BLE_MESH_MODEL_ID_SCHEDULER_SETUP_SRV 0x1207
#define BLE_MESH_MODEL_ID_SCHEDULER_CLI 0x1208
#define BLE_MESH_MODEL_ID_LIGHT_LIGHTNESS_SRV 0x1300
#define BLE_MESH_MODEL_ID_LIGHT_LIGHTNESS_SETUP_SRV 0x1301
#define BLE_MESH_MODEL_ID_LIGHT_LIGHTNESS_CLI 0x1302
#define BLE_MESH_MODEL_ID_LIGHT_CTL_SRV 0x1303
#define BLE_MESH_MODEL_ID_LIGHT_CTL_SETUP_SRV 0x1304
#define BLE_MESH_MODEL_ID_LIGHT_CTL_CLI 0x1305
#define BLE_MESH_MODEL_ID_LIGHT_CTL_TEMP_SRV 0x1306
#define BLE_MESH_MODEL_ID_LIGHT_HSL_SRV 0x1307
#define BLE_MESH_MODEL_ID_LIGHT_HSL_SETUP_SRV 0x1308
#define BLE_MESH_MODEL_ID_LIGHT_HSL_CLI 0x1309
#define BLE_MESH_MODEL_ID_LIGHT_HSL_HUE_SRV 0x130a
#define BLE_MESH_MODEL_ID_LIGHT_HSL_SAT_SRV 0x130b
#define BLE_MESH_MODEL_ID_LIGHT_XYL_SRV 0x130c
#define BLE_MESH_MODEL_ID_LIGHT_XYL_SETUP_SRV 0x130d
#define BLE_MESH_MODEL_ID_LIGHT_XYL_CLI 0x130e
#define BLE_MESH_MODEL_ID_LIGHT_LC_SRV 0x130f
#define BLE_MESH_MODEL_ID_LIGHT_LC_SETUP_SRV 0x1310
#define BLE_MESH_MODEL_ID_LIGHT_LC_CLI 0x1311
/** Message sending context. */
struct bt_mesh_msg_ctx {
/** NetKey Index of the subnet to send the message on. */
u16_t net_idx;
/** AppKey Index to encrypt the message with. */
u16_t app_idx;
/** Remote address. */
u16_t addr;
/** Destination address of a received message. Not used for sending. */
u16_t recv_dst;
/** RSSI of received packet. Not used for sending. */
s8_t recv_rssi;
/** Received TTL value. Not used for sending. */
u8_t recv_ttl: 7;
/** Force sending reliably by using segment acknowledgement */
u8_t send_rel: 1;
/** TTL, or BLE_MESH_TTL_DEFAULT for default TTL. */
u8_t send_ttl;
/** Change by Espressif, opcode of a received message.
* Not used for sending message. */
u32_t recv_op;
/** Change by Espressif, model corresponds to the message */
struct bt_mesh_model *model;
/** Change by Espressif, if the message is sent by a server
* model. Not used for receiving message. */
bool srv_send;
};
struct bt_mesh_model_op {
/* OpCode encoded using the BLE_MESH_MODEL_OP_* macros */
const u32_t opcode;
/* Minimum required message length */
const size_t min_len;
/* Message handler for the opcode */
void (*const func)(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *buf);
};
#define BLE_MESH_MODEL_OP_1(b0) (b0)
#define BLE_MESH_MODEL_OP_2(b0, b1) (((b0) << 8) | (b1))
#define BLE_MESH_MODEL_OP_3(b0, cid) ((((b0) << 16) | 0xc00000) | (cid))
#define BLE_MESH_MODEL_OP_END { 0, 0, NULL }
#define BLE_MESH_MODEL_NO_OPS ((struct bt_mesh_model_op []) \
{ BLE_MESH_MODEL_OP_END })
/** Helper to define an empty model array */
#define BLE_MESH_MODEL_NONE ((struct bt_mesh_model []){})
/** Length of a short Mesh MIC. */
#define BLE_MESH_MIC_SHORT 4
/** Length of a long Mesh MIC. */
#define BLE_MESH_MIC_LONG 8
/** @def BLE_MESH_MODEL_OP_LEN
*
* @brief Helper to determine the length of an opcode.
*
* @param _op Opcode.
*/
#define BLE_MESH_MODEL_OP_LEN(_op) ((_op) <= 0xff ? 1 : (_op) <= 0xffff ? 2 : 3)
/** @def BLE_MESH_MODEL_BUF_LEN
*
* @brief Helper for model message buffer length.
*
* Returns the length of a Mesh model message buffer, including the opcode
* length and a short MIC.
*
* @param _op Opcode of the message.
* @param _payload_len Length of the model payload.
*/
#define BLE_MESH_MODEL_BUF_LEN(_op, _payload_len) \
(BLE_MESH_MODEL_OP_LEN(_op) + (_payload_len) + BLE_MESH_MIC_SHORT)
/** @def BLE_MESH_MODEL_BUF_LEN_LONG_MIC
*
* @brief Helper for model message buffer length.
*
* Returns the length of a Mesh model message buffer, including the opcode
* length and a long MIC.
*
* @param _op Opcode of the message.
* @param _payload_len Length of the model payload.
*/
#define BLE_MESH_MODEL_BUF_LEN_LONG_MIC(_op, _payload_len) \
(BLE_MESH_MODEL_OP_LEN(_op) + (_payload_len) + BLE_MESH_MIC_LONG)
/** @def BLE_MESH_MODEL_BUF_DEFINE
*
* @brief Define a Mesh model message buffer using @ref NET_BUF_SIMPLE_DEFINE.
*
* @param _buf Buffer name.
* @param _op Opcode of the message.
* @param _payload_len Length of the model message payload.
*/
#define BLE_MESH_MODEL_BUF_DEFINE(_buf, _op, _payload_len) \
NET_BUF_SIMPLE_DEFINE(_buf, BLE_MESH_MODEL_BUF_LEN((_op), (_payload_len)))
/** @def BLE_MESH_MODEL_CB
*
* @brief Composition data SIG model entry with callback functions.
*
* @param _id Model ID.
* @param _op Array of model opcode handlers.
* @param _pub Model publish parameters.
* @param _user_data User data for the model.
* @param _cb Callback structure, or NULL to keep no callbacks.
*/
#define BLE_MESH_MODEL_CB(_id, _op, _pub, _user_data, _cb) \
{ \
.id = (_id), \
.op = (_op), \
.keys = { [0 ... (CONFIG_BLE_MESH_MODEL_KEY_COUNT - 1)] = \
BLE_MESH_KEY_UNUSED }, \
.pub = (_pub), \
.groups = { [0 ... (CONFIG_BLE_MESH_MODEL_GROUP_COUNT - 1)] = \
BLE_MESH_ADDR_UNASSIGNED }, \
.user_data = (_user_data), \
.cb = (_cb), \
}
/** @def BLE_MESH_MODEL_VND_CB
*
* @brief Composition data vendor model entry with callback functions.
*
* @param _company Company ID.
* @param _id Model ID.
* @param _op Array of model opcode handlers.
* @param _pub Model publish parameters.
* @param _user_data User data for the model.
* @param _cb Callback structure, or NULL to keep no callbacks.
*/
#define BLE_MESH_MODEL_VND_CB(_company, _id, _op, _pub, _user_data, _cb) \
{ \
.vnd.company = (_company), \
.vnd.id = (_id), \
.op = (_op), \
.pub = (_pub), \
.keys = { [0 ... (CONFIG_BLE_MESH_MODEL_KEY_COUNT - 1)] = \
BLE_MESH_KEY_UNUSED }, \
.groups = { [0 ... (CONFIG_BLE_MESH_MODEL_GROUP_COUNT - 1)] = \
BLE_MESH_ADDR_UNASSIGNED }, \
.user_data = (_user_data), \
.cb = (_cb), \
}
/** @def BLE_MESH_TRANSMIT
*
* @brief Encode transmission count & interval steps.
*
* @param count Number of retransmissions (first transmission is excluded).
* @param int_ms Interval steps in milliseconds. Must be greater than 0
* and a multiple of 10.
*
* @return Mesh transmit value that can be used e.g. for the default
* values of the configuration model data.
*/
#define BLE_MESH_TRANSMIT(count, int_ms) ((count) | ((((int_ms) / 10) - 1) << 3))
/** @def BLE_MESH_TRANSMIT_COUNT
*
* @brief Decode transmit count from a transmit value.
*
* @param transmit Encoded transmit count & interval value.
*
* @return Transmission count (actual transmissions is N + 1).
*/
#define BLE_MESH_TRANSMIT_COUNT(transmit) (((transmit) & (u8_t)BIT_MASK(3)))
/** @def BLE_MESH_TRANSMIT_INT
*
* @brief Decode transmit interval from a transmit value.
*
* @param transmit Encoded transmit count & interval value.
*
* @return Transmission interval in milliseconds.
*/
#define BLE_MESH_TRANSMIT_INT(transmit) ((((transmit) >> 3) + 1) * 10)
/** @def BLE_MESH_PUB_TRANSMIT
*
* @brief Encode Publish Retransmit count & interval steps.
*
* @param count Number of retransmissions (first transmission is excluded).
* @param int_ms Interval steps in milliseconds. Must be greater than 0
* and a multiple of 50.
*
* @return Mesh transmit value that can be used e.g. for the default
* values of the configuration model data.
*/
#define BLE_MESH_PUB_TRANSMIT(count, int_ms) BLE_MESH_TRANSMIT((count), (int_ms) / 5)
/** @def BLE_MESH_PUB_TRANSMIT_COUNT
*
* @brief Decode Publish Retransmit count from a given value.
*
* @param transmit Encoded Publish Retransmit count & interval value.
*
* @return Retransmission count (actual transmissions is N + 1).
*/
#define BLE_MESH_PUB_TRANSMIT_COUNT(transmit) BLE_MESH_TRANSMIT_COUNT(transmit)
/** @def BLE_MESH_PUB_TRANSMIT_INT
*
* @brief Decode Publish Retransmit interval from a given value.
*
* @param transmit Encoded Publish Retransmit count & interval value.
*
* @return Transmission interval in milliseconds.
*/
#define BLE_MESH_PUB_TRANSMIT_INT(transmit) ((((transmit) >> 3) + 1) * 50)
/** Model publication context. */
struct bt_mesh_model_pub {
/** The model the context belongs to. Initialized by the stack. */
struct bt_mesh_model *mod;
u16_t addr; /**< Publish Address. */
u16_t key:12, /**< Publish AppKey Index. */
cred:1, /**< Friendship Credentials Flag. */
send_rel:1; /**< Force reliable sending (segment acks) */
u8_t ttl; /**< Publish Time to Live. */
u8_t retransmit; /**< Retransmit Count & Interval Steps. */
u8_t period; /**< Publish Period. */
u8_t period_div:4, /**< Divisor for the Period. */
fast_period:1,/**< Use FastPeriodDivisor */
count:3; /**< Retransmissions left. */
u32_t period_start; /**< Start of the current period. */
/** @brief Publication buffer, containing the publication message.
*
* This will get correctly created when the publication context
* has been defined using the BLE_MESH_MODEL_PUB_DEFINE macro.
*
* BLE_MESH_MODEL_PUB_DEFINE(name, update, size);
*/
struct net_buf_simple *msg;
/** @brief Callback for updating the publication buffer.
*
* When set to NULL, the model is assumed not to support
* periodic publishing. When set to non-NULL the callback
* will be called periodically and is expected to update
* @ref bt_mesh_model_pub.msg with a valid publication
* message.
*
* If the callback returns non-zero, the publication is skipped
* and will resume on the next periodic publishing interval.
*
* @param mod The Model the Publication Context belongs to.
*
* @return Zero on success or (negative) error code otherwise.
*/
int (*update)(struct bt_mesh_model *mod);
/** Publish Period Timer. Only for stack-internal use. */
struct k_delayed_work timer;
/* Change by Espressif, role of the device going to publish messages */
u8_t dev_role;
};
/** @def BLE_MESH_MODEL_PUB_DEFINE
*
* Define a model publication context.
*
* @param _name Variable name given to the context.
* @param _update Optional message update callback (may be NULL).
* @param _msg_len Length of the publication message.
*/
#define BLE_MESH_MODEL_PUB_DEFINE(_name, _update, _msg_len) \
NET_BUF_SIMPLE_DEFINE_STATIC(bt_mesh_pub_msg_##_name, _msg_len); \
static struct bt_mesh_model_pub _name = { \
.update = _update, \
.msg = &bt_mesh_pub_msg_##_name, \
}
/** Model callback functions. */
struct bt_mesh_model_cb {
/** @brief Model init callback.
*
* Called on every model instance during mesh initialization.
*
* If any of the model init callbacks return an error, the mesh
* subsystem initialization will be aborted, and the error will
* be returned to the caller of @ref bt_mesh_init.
*
* @param model Model to be initialized.
*
* @return 0 on success, error otherwise.
*/
int (*const init)(struct bt_mesh_model *model);
/** @brief Model deinit callback.
*
* Called on every model instance during mesh deinitialization.
* All model data is deleted, and the model should clear its state.
*
* If any of the model deinit callbacks return an error, the mesh
* subsystem deinitialization will be aborted, and the error will
* be returned to the caller of @ref bt_mesh_deinit.
*
* @param model Model to be de-initialized.
*/
int (*const deinit)(struct bt_mesh_model *model);
};
/** Abstraction that describes a Mesh Model instance */
struct bt_mesh_model {
union {
const u16_t id;
struct {
u16_t company;
u16_t id;
} vnd;
};
/* Internal information, mainly for persistent storage */
u8_t elem_idx; /* Belongs to Nth element */
u8_t model_idx; /* Is the Nth model in the element */
u16_t flags; /* Information about what has changed */
/* The Element this Model belongs to */
struct bt_mesh_elem *elem;
/* Model Publication */
struct bt_mesh_model_pub *const pub;
/* AppKey List */
u16_t keys[CONFIG_BLE_MESH_MODEL_KEY_COUNT];
/* Subscription List (group or virtual addresses) */
u16_t groups[CONFIG_BLE_MESH_MODEL_GROUP_COUNT];
/** Opcode handler list */
const struct bt_mesh_model_op *const op;
/** Model callback structure. */
const struct bt_mesh_model_cb *const cb;
/* Model-specific user data */
void *user_data;
};
struct bt_mesh_send_cb {
void (*start)(u16_t duration, int err, void *cb_data);
void (*end)(int err, void *cb_data);
};
void bt_mesh_model_msg_init(struct net_buf_simple *msg, u32_t opcode);
/** Special TTL value to request using configured default TTL */
#define BLE_MESH_TTL_DEFAULT 0xff
/** Maximum allowed TTL value */
#define BLE_MESH_TTL_MAX 0x7f
/**
* @brief Send an Access Layer message.
*
* @param model Mesh (client) Model that the message belongs to.
* @param ctx Message context, includes keys, TTL, etc.
* @param msg Access Layer payload (the actual message to be sent).
* @param cb Optional "message sent" callback.
* @param cb_data User data to be passed to the callback.
*
* @return 0 on success, or (negative) error code on failure.
*/
int bt_mesh_model_send(struct bt_mesh_model *model,
struct bt_mesh_msg_ctx *ctx,
struct net_buf_simple *msg,
const struct bt_mesh_send_cb *cb,
void *cb_data);
/**
* @brief Send a model publication message.
*
* Before calling this function, the user needs to ensure that the model
* publication message (@ref bt_mesh_model_pub.msg) contains a valid
* message to be sent. Note that this API is only to be used for
* non-period publishing. For periodic publishing the app only needs
* to make sure that @ref bt_mesh_model_pub.msg contains a valid message
* whenever the @ref bt_mesh_model_pub.update callback is called.
*
* @param model Mesh (client) Model that's publishing the message.
*
* @return 0 on success, or (negative) error code on failure.
*/
int bt_mesh_model_publish(struct bt_mesh_model *model);
/**
* @brief Get the element that a model belongs to.
*
* @param mod Mesh model.
*
* @return Pointer to the element that the given model belongs to.
*/
struct bt_mesh_elem *bt_mesh_model_elem(struct bt_mesh_model *mod);
/** @brief Find a SIG model.
*
* @param elem Element to search for the model in.
* @param id Model ID of the model.
*
* @return A pointer to the Mesh model matching the given parameters, or NULL
* if no SIG model with the given ID exists in the given element.
*/
struct bt_mesh_model *bt_mesh_model_find(struct bt_mesh_elem *elem, u16_t id);
/** @brief Find a vendor model.
*
* @param elem Element to search for the model in.
* @param company Company ID of the model.
* @param id Model ID of the model.
*
* @return A pointer to the Mesh model matching the given parameters, or NULL
* if no vendor model with the given ID exists in the given element.
*/
struct bt_mesh_model *bt_mesh_model_find_vnd(struct bt_mesh_elem *elem,
u16_t company, u16_t id);
/** @brief Get whether the model is in the primary element of the device.
*
* @param mod Mesh model.
*
* @return true if the model is on the primary element, false otherwise.
*/
static inline bool bt_mesh_model_in_primary(const struct bt_mesh_model *mod)
{
return (mod->elem_idx == 0);
}
/** Node Composition */
struct bt_mesh_comp {
u16_t cid;
u16_t pid;
u16_t vid;
size_t elem_count;
struct bt_mesh_elem *elem;
};
#ifdef __cplusplus
}
#endif
/**
* @}
*/
#endif /* __BLE_MESH_ACCESS_H */