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https://github.com/zephyrproject-rtos/zephyr
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264c207f4f
With most boards there's no simple way to get access to the HCI
traffic. Simultaneously these boards only have one external UART for
the console. This patch introduces a protocol which combines both
normal logs and HCI logs over a single binary protocol sent over the
console UART.
The protocol is modeled based on the btsnoop/monitor protocols used by
BlueZ, and the first tool that's able to decode this is btmon from
BlueZ ("btmon --tty <tty>").
For platforms with two or more external UARTs it is still possible to
use CONFIG_UART_CONSOLE as long as the UART devices used are
different, however on platforms with a single external UART
UART_CONSOLE should be disabled if BLUETOOTH_DEBUG_MONITOR is enabled
(in this case printk/printf get encoded to the monitor protocol).
Origin: Original
Change-Id: I9d3997c7a06fe48e7decb212b2ac9bd8b8f9b74c
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/** @file
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* @brief Bluetooth subsystem logging helpers.
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*/
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/*
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* Copyright (c) 2015 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __BT_LOG_H
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#define __BT_LOG_H
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(CONFIG_BLUETOOTH_DEBUG_MONITOR)
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/* These defines follow the values used by syslog(2) */
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#define BT_LOG_ERR 3
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#define BT_LOG_WARN 4
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#define BT_LOG_INFO 6
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#define BT_LOG_DBG 7
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void bt_log(int prio, const char *fmt, ...);
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#define BT_DBG(fmt, ...) bt_log(BT_LOG_DBG, "%s (%p): " fmt, \
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__func__, sys_thread_self_get(), ##__VA_ARGS__)
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#define BT_ERR(fmt, ...) bt_log(BT_LOG_ERR, "%s: " fmt, \
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__func__, ##__VA_ARGS__)
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#define BT_WARN(fmt, ...) bt_log(BT_LOG_WARN, "%s: " fmt, \
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__func__, ##__VA_ARGS__)
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#define BT_INFO(fmt, ...) bt_log(BT_LOG_INFO, fmt, ##__VA_ARGS__)
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#define BT_ASSERT(cond) if (!(cond)) { \
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BT_ERR("assert: '" #cond "' failed"); \
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}
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/* Enabling debug increases stack size requirement considerably */
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#define BT_STACK_DEBUG_EXTRA 512
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#elif defined(CONFIG_BLUETOOTH_DEBUG_STDOUT)
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#include <nanokernel.h>
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#if defined(CONFIG_BLUETOOTH_DEBUG_COLOR)
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#define BT_COLOR_OFF "\x1B[0m"
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#define BT_COLOR_RED "\x1B[0;31m"
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#define BT_COLOR_YELLOW "\x1B[0;33m"
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#else
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#define BT_COLOR_OFF ""
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#define BT_COLOR_RED ""
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#define BT_COLOR_YELLOW ""
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#endif
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#define BT_DBG(fmt, ...) printf("bt: %s (%p): " fmt "\n", __func__, \
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sys_thread_self_get(), ##__VA_ARGS__)
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#define BT_ERR(fmt, ...) printf("bt: %s: %s" fmt "%s\n", __func__, \
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BT_COLOR_RED, ##__VA_ARGS__, BT_COLOR_OFF)
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#define BT_WARN(fmt, ...) printf("bt: %s: %s" fmt "%s\n", __func__, \
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BT_COLOR_YELLOW, ##__VA_ARGS__, BT_COLOR_OFF)
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#define BT_INFO(fmt, ...) printf("bt: " fmt "\n", ##__VA_ARGS__)
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#define BT_ASSERT(cond) if (!(cond)) { \
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BT_ERR("assert: '" #cond "' failed"); \
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}
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/* Enabling debug increases stack size requirement considerably */
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#define BT_STACK_DEBUG_EXTRA 512
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#else
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#define BT_DBG(fmt, ...)
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#define BT_ERR(fmt, ...)
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#define BT_WARN(fmt, ...)
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#define BT_INFO(fmt, ...)
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#define BT_ASSERT(cond)
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#define BT_STACK_DEBUG_EXTRA 0
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#endif
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#define BT_STACK(name, size) \
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char __stack name[(size) + BT_STACK_DEBUG_EXTRA]
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#define BT_STACK_NOINIT(name, size) \
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char __noinit __stack name[(size) + BT_STACK_DEBUG_EXTRA]
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BT_LOG_H */
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