zephyr/include/bluetooth/mesh/health_srv.h

201 lines
7.0 KiB
C

/** @file
* @brief Bluetooth Mesh Health Server Model APIs.
*/
/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_BLUETOOTH_MESH_HEALTH_SRV_H_
#define ZEPHYR_INCLUDE_BLUETOOTH_MESH_HEALTH_SRV_H_
/**
* @brief Bluetooth Mesh Health Server Model
* @defgroup bt_mesh_health_srv Bluetooth Mesh Health Server Model
* @ingroup bt_mesh
* @{
*/
#ifdef __cplusplus
extern "C" {
#endif
/** Callback function for the Health Server model */
struct bt_mesh_health_srv_cb {
/** @brief Callback for fetching current faults.
*
* Fault values may either be defined by the specification, or by a
* vendor. Vendor specific faults should be interpreted in the context
* of the accompanying Company ID. Specification defined faults may be
* reported for any Company ID, and the same fault may be presented
* for multiple Company IDs.
*
* All faults shall be associated with at least one Company ID,
* representing the device vendor or some other vendor whose vendor
* specific fault values are used.
*
* If there are multiple Company IDs that have active faults,
* return only the faults associated with one of them at the time.
* To report faults for multiple Company IDs, interleave which Company
* ID is reported for each call.
*
* @param model Health Server model instance to get faults of.
* @param test_id Test ID response buffer.
* @param company_id Company ID response buffer.
* @param faults Array to fill with current faults.
* @param fault_count The number of faults the fault array can fit.
* Should be updated to reflect the number of faults
* copied into the array.
*
* @return 0 on success, or (negative) error code otherwise.
*/
int (*fault_get_cur)(struct bt_mesh_model *model, uint8_t *test_id,
uint16_t *company_id, uint8_t *faults,
uint8_t *fault_count);
/** @brief Callback for fetching all registered faults.
*
* Registered faults are all past and current faults since the last
* call to @c fault_clear. Only faults associated with the given
* Company ID should be reported.
*
* Fault values may either be defined by the specification, or by a
* vendor. Vendor specific faults should be interpreted in the context
* of the accompanying Company ID. Specification defined faults may be
* reported for any Company ID, and the same fault may be presented
* for multiple Company IDs.
*
* @param model Health Server model instance to get faults of.
* @param company_id Company ID to get faults for.
* @param test_id Test ID response buffer.
* @param faults Array to fill with registered faults.
* @param fault_count The number of faults the fault array can fit.
* Should be updated to reflect the number of faults
* copied into the array.
*
* @return 0 on success, or (negative) error code otherwise.
*/
int (*fault_get_reg)(struct bt_mesh_model *model, uint16_t company_id,
uint8_t *test_id, uint8_t *faults,
uint8_t *fault_count);
/** @brief Clear all registered faults associated with the given Company
* ID.
*
* @param model Health Server model instance to clear faults of.
* @param company_id Company ID to clear faults for.
*
* @return 0 on success, or (negative) error code otherwise.
*/
int (*fault_clear)(struct bt_mesh_model *model, uint16_t company_id);
/** @brief Run a self-test.
*
* The Health server may support up to 256 self-tests for each Company
* ID. The behavior for all test IDs are vendor specific, and should be
* interpreted based on the accompanying Company ID. Test failures
* should result in changes to the fault array.
*
* @param model Health Server model instance to run test for.
* @param test_id Test ID to run.
* @param company_id Company ID to run test for.
*
* @return 0 if the test execution was started successfully, or
* (negative) error code otherwise. Note that the fault array will not
* be reported back to the client if the test execution didn't start.
*/
int (*fault_test)(struct bt_mesh_model *model, uint8_t test_id,
uint16_t company_id);
/** @brief Start calling attention to the device.
*
* The attention state is used to map an element address to a
* physical device. When this callback is called, the device should
* start some physical procedure meant to call attention to itself,
* like blinking, buzzing, vibrating or moving. If there are multiple
* Health server instances on the device, the attention state should
* also help identify the specific element the server is in.
*
* The attention calling behavior should continue until the @c attn_off
* callback is called.
*
* @param model Health Server model to start the attention state of.
*/
void (*attn_on)(struct bt_mesh_model *model);
/** @brief Stop the attention state.
*
* Any physical activity started to call attention to the device should
* be stopped.
*
* @param model
*/
void (*attn_off)(struct bt_mesh_model *model);
};
/** @def BT_MESH_HEALTH_PUB_DEFINE
*
* A helper to define a health publication context
*
* @param _name Name given to the publication context variable.
* @param _max_faults Maximum number of faults the element can have.
*/
#define BT_MESH_HEALTH_PUB_DEFINE(_name, _max_faults) \
BT_MESH_MODEL_PUB_DEFINE(_name, NULL, (1 + 3 + (_max_faults)))
/** Mesh Health Server Model Context */
struct bt_mesh_health_srv {
/** Composition data model entry pointer. */
struct bt_mesh_model *model;
/** Optional callback struct */
const struct bt_mesh_health_srv_cb *cb;
/** Attention Timer state */
struct k_work_delayable attn_timer;
};
/** @def BT_MESH_MODEL_HEALTH_SRV
*
* Define a new health server model. Note that this API needs to be
* repeated for each element that the application wants to have a
* health server model on. Each instance also needs a unique
* bt_mesh_health_srv and bt_mesh_model_pub context.
*
* @param srv Pointer to a unique struct bt_mesh_health_srv.
* @param pub Pointer to a unique struct bt_mesh_model_pub.
*
* @return New mesh model instance.
*/
#define BT_MESH_MODEL_HEALTH_SRV(srv, pub) \
BT_MESH_MODEL_CB(BT_MESH_MODEL_ID_HEALTH_SRV, bt_mesh_health_srv_op, \
pub, srv, &bt_mesh_health_srv_cb)
/** @brief Notify the stack that the fault array state of the given element has
* changed.
*
* This prompts the Health server on this element to publish the current fault
* array if periodic publishing is disabled.
*
* @param elem Element to update the fault state of.
*
* @return 0 on success, or (negative) error code otherwise.
*/
int bt_mesh_fault_update(struct bt_mesh_elem *elem);
/** @cond INTERNAL_HIDDEN */
extern const struct bt_mesh_model_op bt_mesh_health_srv_op[];
extern const struct bt_mesh_model_cb bt_mesh_health_srv_cb;
/** @endcond */
#ifdef __cplusplus
}
#endif
/**
* @}
*/
#endif /* ZEPHYR_INCLUDE_BLUETOOTH_MESH_HEALTH_SRV_H_ */