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