87 lines
3.2 KiB
C
87 lines
3.2 KiB
C
/**
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* @file dummy.c
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* Static compilation checks.
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*/
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/*
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* Copyright (c) 2017 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdalign.h>
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#include <zephyr/kernel.h>
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#include <zephyr/bluetooth/bluetooth.h>
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#include <zephyr/bluetooth/buf.h>
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/*
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* The unpacked structs below are used inside __packed structures that reflect
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* what goes on the wire. While alignment is not a problem for those, since all
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* their members are bytes or byte arrays, the size is. They must not be padded
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* by the compiler, otherwise the on-wire packet will not map the packed
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* structure correctly.
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*
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* The bt_addr structs are not marked __packed because it's considered ugly by
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* some. But here is a proof that the structs have all the properties of, and
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* can be safely used as packed structs.
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*/
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BUILD_ASSERT(sizeof(bt_addr_t) == BT_ADDR_SIZE);
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BUILD_ASSERT(alignof(bt_addr_t) == 1);
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BUILD_ASSERT(sizeof(bt_addr_le_t) == BT_ADDR_LE_SIZE);
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BUILD_ASSERT(alignof(bt_addr_le_t) == 1);
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#if defined(CONFIG_BT_HCI_HOST)
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/* The Bluetooth subsystem requires that higher priority events shall be given
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* in a priority higher than the Bluetooth Host's Tx and the Controller's
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* receive thread priority.
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* This is required in order to dispatch Number of Completed Packets event
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* before any new data arrives on a connection to the Host threads.
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*/
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BUILD_ASSERT(CONFIG_BT_DRIVER_RX_HIGH_PRIO < CONFIG_BT_HCI_TX_PRIO);
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#endif /* defined(CONFIG_BT_HCI_HOST) */
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#if (defined(CONFIG_LOG_BACKEND_RTT) && \
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(defined(CONFIG_SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL) || \
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defined(CONFIG_LOG_BACKEND_RTT_MODE_BLOCK))) || \
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defined(CONFIG_LOG_BACKEND_NET) || \
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defined(CONFIG_LOG_IMMEDIATE_CLEAN_OUTPUT)
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#define INCOMPATIBLE_IMMEDIATE_LOG_BACKEND 1
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#endif
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/* Immediate logging on most backend is not supported
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* with the software-based Link Layer since it introduces ISR latency
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* due to outputting log messages with interrupts disabled.
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*/
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#if !defined(CONFIG_TEST) && !defined(CONFIG_ARCH_POSIX) && \
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defined(CONFIG_BT_LL_SW_SPLIT) && \
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defined(INCOMPATIBLE_IMMEDIATE_LOG_BACKEND)
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BUILD_ASSERT(!IS_ENABLED(CONFIG_LOG_MODE_IMMEDIATE), "Immediate logging "
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"on selected backend(s) not "
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"supported with the software Link Layer");
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#endif
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#if defined(CONFIG_BT_CONN) && defined(CONFIG_BT_HCI_HOST)
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/* The host needs more ACL buffers than maximum ACL links. This is because of
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* the way we re-assemble ACL packets into L2CAP PDUs.
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*
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* We keep around the first buffer (that comes from the driver) to do
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* re-assembly into, and if all links are re-assembling, there will be no buffer
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* available for the HCI driver to allocate from.
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*
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* Fixing it properly involves a re-design of the HCI driver interface.
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*/
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#if defined(CONFIG_BT_HCI_ACL_FLOW_CONTROL)
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BUILD_ASSERT(CONFIG_BT_BUF_ACL_RX_COUNT > CONFIG_BT_MAX_CONN);
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#else /* !CONFIG_BT_HCI_ACL_FLOW_CONTROL */
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/* BT_BUF_RX_COUNT is defined in include/zephyr/bluetooth/buf.h */
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BUILD_ASSERT(BT_BUF_RX_COUNT > CONFIG_BT_MAX_CONN,
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"BT_BUF_RX_COUNT needs to be greater than CONFIG_BT_MAX_CONN. "
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"In order to do that, increase CONFIG_BT_BUF_ACL_RX_COUNT.");
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#endif /* CONFIG_BT_HCI_ACL_FLOW_CONTROL */
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#endif /* CONFIG_BT_CONN */
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