1. BLE Mesh Core * Provisioning: Node Role * PB-ADV and PB-GATT * Authentication OOB * Provisioning: Provisioner Role * PB-ADV and PB-GATT * Authentication OOB * Networking * Relay * Segmentation and Reassembly * Key Refresh * IV Update * Proxy Support * Multiple Client Models Run Simultaneously * Support multiple client models send packets to different nodes simultaneously * No blocking between client model and server * NVS Storage * Store BLE Mesh node related information in flash * Store BLE Mesh Provisioner related information in flash 2. BLE Mesh Models * Foundation Models * Configuration Server Model * Configuration Client Model * Health Server Model * Health Client Model * Generic * Generic OnOff Server * Generic OnOff Client * Generic Level Server * Generic Level Client * Generic Default Transition Time Server * Generic Default Transition Time Client * Generic Power OnOff Server * Generic Power OnOff Setup Server * Generic Power OnOff Client * Generic Power Level Server * Generic Power Level Setup Server * Generic Power Level Client * Generic Battery Server * Generic Battery Client * Generic Location Server * Generic Location Setup Server * Generic Location Client * Generic Admin Property Server * Generic Manufacturer Property Server * Generic User Property Server * Generic Client Property Server * Generic Property Client * Sensor Server Model * Sensor Server * Sensor Setup Server * Sensor Client * Time and Scenes * Time Server * Time Setup Server * Time Client * Scene Server * Scene Setup Server * Scene Client * Scheduler Server * Scheduler Setup Server * Scheduler Client * Lighting * Light Lightness Server * Light Lightness Setup Server * Light Lightness Client * Light CTL Server * Light CTL Setup Server * Light CTL Client * Light CTL Temperature Server * Light HSL Server * Light HSL Setup Server * Light HSL Client * Light HSL Hue Server * Light HSL Saturation Server * Light xyL Server * Light xyL Setup Server * Light xyL Client * Light LC Server * Light LC Setup Server * Light LC Client 3. BLE Mesh Applications * BLE Mesh Node * OnOff Client Example * OnOff Server Example * BLE Mesh Provisioner * Example * Fast Provisioning * Vendor Fast Prov Server Model * Vendor Fast Prov Client Model * Examples * Wi-Fi & BLE Mesh Coexistence * Example * BLE Mesh Console Commands * Examples
305 lines
8 KiB
C
305 lines
8 KiB
C
/* atomic operations */
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/*
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* Copyright (c) 1997-2015, Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef _BLE_MESH_ATOMIC_H_
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#define _BLE_MESH_ATOMIC_H_
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#include "mesh_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef bt_mesh_atomic_t bt_mesh_atomic_val_t;
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/**
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* @defgroup atomic_apis Atomic Services APIs
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* @ingroup kernel_apis
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* @{
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*/
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/**
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*
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* @brief Atomic increment.
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*
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* This routine performs an atomic increment by 1 on @a target.
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*
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* @param target Address of atomic variable.
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*
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* @return Previous value of @a target.
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*/
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#ifdef CONFIG_ATOMIC_OPERATIONS_BUILTIN
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static inline bt_mesh_atomic_val_t bt_mesh_atomic_inc(bt_mesh_atomic_t *target)
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{
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return bt_mesh_atomic_add(target, 1);
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}
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#else
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extern bt_mesh_atomic_val_t bt_mesh_atomic_inc(bt_mesh_atomic_t *target);
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#endif
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/**
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*
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* @brief Atomic decrement.
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*
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* This routine performs an atomic decrement by 1 on @a target.
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*
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* @param target Address of atomic variable.
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*
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* @return Previous value of @a target.
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*/
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#ifdef CONFIG_ATOMIC_OPERATIONS_BUILTIN
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static inline bt_mesh_atomic_val_t bt_mesh_atomic_dec(bt_mesh_atomic_t *target)
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{
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return bt_mesh_atomic_sub(target, 1);
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}
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#else
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extern bt_mesh_atomic_val_t bt_mesh_atomic_dec(bt_mesh_atomic_t *target);
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#endif
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/**
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*
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* @brief Atomic get.
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*
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* This routine performs an atomic read on @a target.
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*
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* @param target Address of atomic variable.
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*
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* @return Value of @a target.
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*/
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#ifdef CONFIG_ATOMIC_OPERATIONS_BUILTIN
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static inline bt_mesh_atomic_val_t bt_mesh_atomic_get(const bt_mesh_atomic_t *target)
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{
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return __atomic_load_n(target, __ATOMIC_SEQ_CST);
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}
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#else
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extern bt_mesh_atomic_val_t bt_mesh_atomic_get(const bt_mesh_atomic_t *target);
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#endif
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/**
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*
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* @brief Atomic get-and-set.
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*
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* This routine atomically sets @a target to @a value and returns
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* the previous value of @a target.
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*
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* @param target Address of atomic variable.
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* @param value Value to write to @a target.
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*
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* @return Previous value of @a target.
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*/
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#ifdef CONFIG_ATOMIC_OPERATIONS_BUILTIN
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static inline bt_mesh_atomic_val_t bt_mesh_atomic_set(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value)
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{
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/* This builtin, as described by Intel, is not a traditional
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* test-and-set operation, but rather an atomic exchange operation. It
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* writes value into *ptr, and returns the previous contents of *ptr.
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*/
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return __atomic_exchange_n(target, value, __ATOMIC_SEQ_CST);
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}
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#else
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extern bt_mesh_atomic_val_t bt_mesh_atomic_set(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value);
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#endif
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/**
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*
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* @brief Atomic bitwise inclusive OR.
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*
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* This routine atomically sets @a target to the bitwise inclusive OR of
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* @a target and @a value.
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*
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* @param target Address of atomic variable.
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* @param value Value to OR.
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*
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* @return Previous value of @a target.
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*/
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#ifdef CONFIG_ATOMIC_OPERATIONS_BUILTIN
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static inline bt_mesh_atomic_val_t bt_mesh_atomic_or(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value)
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{
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return __atomic_fetch_or(target, value, __ATOMIC_SEQ_CST);
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}
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#else
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extern bt_mesh_atomic_val_t bt_mesh_atomic_or(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value);
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#endif
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/**
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*
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* @brief Atomic bitwise AND.
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*
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* This routine atomically sets @a target to the bitwise AND of @a target
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* and @a value.
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*
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* @param target Address of atomic variable.
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* @param value Value to AND.
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*
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* @return Previous value of @a target.
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*/
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#ifdef CONFIG_ATOMIC_OPERATIONS_BUILTIN
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static inline bt_mesh_atomic_val_t bt_mesh_atomic_and(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value)
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{
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return __atomic_fetch_and(target, value, __ATOMIC_SEQ_CST);
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}
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#else
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extern bt_mesh_atomic_val_t bt_mesh_atomic_and(bt_mesh_atomic_t *target, bt_mesh_atomic_val_t value);
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#endif
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/**
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* @cond INTERNAL_HIDDEN
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*/
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#define BLE_MESH_ATOMIC_BITS (sizeof(bt_mesh_atomic_val_t) * 8)
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#define BLE_MESH_ATOMIC_MASK(bit) (1 << ((bit) & (BLE_MESH_ATOMIC_BITS - 1)))
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#define BLE_MESH_ATOMIC_ELEM(addr, bit) ((addr) + ((bit) / BLE_MESH_ATOMIC_BITS))
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/**
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* INTERNAL_HIDDEN @endcond
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*/
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/**
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* @brief Define an array of atomic variables.
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*
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* This macro defines an array of atomic variables containing at least
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* @a num_bits bits.
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*
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* @note
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* If used from file scope, the bits of the array are initialized to zero;
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* if used from within a function, the bits are left uninitialized.
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*
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* @param name Name of array of atomic variables.
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* @param num_bits Number of bits needed.
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*/
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#define BLE_MESH_ATOMIC_DEFINE(name, num_bits) \
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bt_mesh_atomic_t name[1 + ((num_bits) - 1) / BLE_MESH_ATOMIC_BITS]
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/**
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* @brief Atomically test a bit.
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*
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* This routine tests whether bit number @a bit of @a target is set or not.
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* The target may be a single atomic variable or an array of them.
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*
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* @param target Address of atomic variable or array.
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* @param bit Bit number (starting from 0).
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*
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* @return 1 if the bit was set, 0 if it wasn't.
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*/
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static inline int bt_mesh_atomic_test_bit(const bt_mesh_atomic_t *target, int bit)
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{
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bt_mesh_atomic_val_t val = bt_mesh_atomic_get(BLE_MESH_ATOMIC_ELEM(target, bit));
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return (1 & (val >> (bit & (BLE_MESH_ATOMIC_BITS - 1))));
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}
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/**
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* @brief Atomically test and clear a bit.
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*
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* Atomically clear bit number @a bit of @a target and return its old value.
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* The target may be a single atomic variable or an array of them.
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*
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* @param target Address of atomic variable or array.
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* @param bit Bit number (starting from 0).
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*
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* @return 1 if the bit was set, 0 if it wasn't.
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*/
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static inline int bt_mesh_atomic_test_and_clear_bit(bt_mesh_atomic_t *target, int bit)
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{
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bt_mesh_atomic_val_t mask = BLE_MESH_ATOMIC_MASK(bit);
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bt_mesh_atomic_val_t old;
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old = bt_mesh_atomic_and(BLE_MESH_ATOMIC_ELEM(target, bit), ~mask);
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return (old & mask) != 0;
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}
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/**
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* @brief Atomically set a bit.
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*
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* Atomically set bit number @a bit of @a target and return its old value.
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* The target may be a single atomic variable or an array of them.
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*
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* @param target Address of atomic variable or array.
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* @param bit Bit number (starting from 0).
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*
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* @return 1 if the bit was set, 0 if it wasn't.
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*/
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static inline int bt_mesh_atomic_test_and_set_bit(bt_mesh_atomic_t *target, int bit)
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{
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bt_mesh_atomic_val_t mask = BLE_MESH_ATOMIC_MASK(bit);
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bt_mesh_atomic_val_t old;
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old = bt_mesh_atomic_or(BLE_MESH_ATOMIC_ELEM(target, bit), mask);
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return (old & mask) != 0;
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}
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/**
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* @brief Atomically clear a bit.
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*
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* Atomically clear bit number @a bit of @a target.
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* The target may be a single atomic variable or an array of them.
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*
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* @param target Address of atomic variable or array.
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* @param bit Bit number (starting from 0).
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*
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* @return N/A
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*/
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static inline void bt_mesh_atomic_clear_bit(bt_mesh_atomic_t *target, int bit)
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{
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bt_mesh_atomic_val_t mask = BLE_MESH_ATOMIC_MASK(bit);
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(void)bt_mesh_atomic_and(BLE_MESH_ATOMIC_ELEM(target, bit), ~mask);
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}
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/**
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* @brief Atomically set a bit.
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*
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* Atomically set bit number @a bit of @a target.
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* The target may be a single atomic variable or an array of them.
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*
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* @param target Address of atomic variable or array.
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* @param bit Bit number (starting from 0).
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*
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* @return N/A
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*/
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static inline void bt_mesh_atomic_set_bit(bt_mesh_atomic_t *target, int bit)
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{
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bt_mesh_atomic_val_t mask = BLE_MESH_ATOMIC_MASK(bit);
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(void)bt_mesh_atomic_or(BLE_MESH_ATOMIC_ELEM(target, bit), mask);
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}
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/**
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* @brief Atomically set a bit to a given value.
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*
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* Atomically set bit number @a bit of @a target to value @a val.
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* The target may be a single atomic variable or an array of them.
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*
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* @param target Address of atomic variable or array.
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* @param bit Bit number (starting from 0).
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* @param val true for 1, false for 0.
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*
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* @return N/A
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*/
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static inline void bt_mesh_atomic_set_bit_to(bt_mesh_atomic_t *target, int bit, bool val)
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{
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bt_mesh_atomic_val_t mask = BLE_MESH_ATOMIC_MASK(bit);
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if (val) {
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(void)bt_mesh_atomic_or(BLE_MESH_ATOMIC_ELEM(target, bit), mask);
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} else {
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(void)bt_mesh_atomic_and(BLE_MESH_ATOMIC_ELEM(target, bit), ~mask);
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}
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}
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BLE_MESH_ATOMIC_H_ */
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