58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-09-04 armink the first version
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*/
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#include <rthw.h>
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#include <ulog.h>
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#ifdef ULOG_BACKEND_USING_CONSOLE
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#if defined(ULOG_ASYNC_OUTPUT_BY_THREAD) && ULOG_ASYNC_OUTPUT_THREAD_STACK < 384
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#error "The thread stack size must more than 384 when using async output by thread (ULOG_ASYNC_OUTPUT_BY_THREAD)"
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#endif
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static struct ulog_backend console;
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void ulog_console_backend_output(struct ulog_backend *backend, rt_uint32_t level, const char *tag, rt_bool_t is_raw,
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const char *log, size_t len)
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{
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rt_device_t dev = rt_console_get_device();
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#ifdef RT_USING_DEVICE
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if (dev == RT_NULL)
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{
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rt_hw_console_output(log);
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}
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else
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{
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rt_uint16_t old_flag = dev->open_flag;
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dev->open_flag |= RT_DEVICE_FLAG_STREAM;
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rt_device_write(dev, 0, log, len);
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dev->open_flag = old_flag;
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}
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#else
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rt_hw_console_output(log);
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#endif
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}
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int ulog_console_backend_init(void)
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{
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ulog_init();
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console.output = ulog_console_backend_output;
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ulog_backend_register(&console, "console", RT_TRUE);
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return 0;
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}
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INIT_PREV_EXPORT(ulog_console_backend_init);
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#endif /* ULOG_BACKEND_USING_CONSOLE */
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