zephyr/subsys/bluetooth/common/dummy.c

62 lines
2.3 KiB
C

/**
* @file dummy.c
* Static compilation checks.
*/
/*
* Copyright (c) 2017 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdalign.h>
#include <zephyr/kernel.h>
#include <zephyr/bluetooth/bluetooth.h>
/*
* The unpacked structs below are used inside __packed structures that reflect
* what goes on the wire. While alignment is not a problem for those, since all
* their members are bytes or byte arrays, the size is. They must not be padded
* by the compiler, otherwise the on-wire packet will not map the packed
* structure correctly.
*
* The bt_addr structs are not marked __packed because it's considered ugly by
* some. But here is a proof that the structs have all the properties of, and
* can be safely used as packed structs.
*/
BUILD_ASSERT(sizeof(bt_addr_t) == BT_ADDR_SIZE);
BUILD_ASSERT(alignof(bt_addr_t) == 1);
BUILD_ASSERT(sizeof(bt_addr_le_t) == BT_ADDR_LE_SIZE);
BUILD_ASSERT(alignof(bt_addr_le_t) == 1);
#if defined(CONFIG_BT_HCI_HOST)
/* The Bluetooth subsystem requires that higher priority events shall be given
* in a priority higher than the Bluetooth Host's Tx and the Controller's
* receive thread priority.
* This is required in order to dispatch Number of Completed Packets event
* before any new data arrives on a connection to the Host threads.
*/
BUILD_ASSERT(CONFIG_BT_DRIVER_RX_HIGH_PRIO < CONFIG_BT_HCI_TX_PRIO);
#endif /* defined(CONFIG_BT_HCI_HOST) */
#if (defined(CONFIG_LOG_BACKEND_RTT) && \
(defined(CONFIG_SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL) || \
defined(CONFIG_LOG_BACKEND_RTT_MODE_BLOCK))) || \
defined(CONFIG_LOG_BACKEND_NET) || \
defined(CONFIG_LOG_IMMEDIATE_CLEAN_OUTPUT)
#define INCOMPATIBLE_IMMEDIATE_LOG_BACKEND 1
#endif
/* Immediate logging on most backend is not supported
* with the software-based Link Layer since it introduces ISR latency
* due to outputting log messages with interrupts disabled.
*/
#if !defined(CONFIG_TEST) && !defined(CONFIG_ARCH_POSIX) && \
defined(CONFIG_BT_LL_SW_SPLIT) && \
defined(INCOMPATIBLE_IMMEDIATE_LOG_BACKEND)
BUILD_ASSERT(!IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE), "Immediate logging "
"on selected backend(s) not "
"supported with the software Link Layer");
#endif