forked from xuos/xiuos
82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Armink (armink.ztl@gmail.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <rtthread.h>
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#include <rtdevice.h>
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static rt_device_t console_dev = NULL;
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static struct rt_device dummy_console = { 0 };
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static rt_uint16_t console_open_flag;
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void mp_putsn(const char *str, size_t len) {
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if (console_dev) {
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rt_device_write(console_dev, 0, str, len);
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}
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}
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void mp_putsn_stream(const char *str, size_t len) {
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if (console_dev) {
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rt_uint16_t old_flag = console_dev->open_flag;
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console_dev->open_flag |= RT_DEVICE_FLAG_STREAM;
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rt_device_write(console_dev, 0, str, len);
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console_dev->open_flag = old_flag;
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}
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}
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void mp_putsn_init(void) {
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{/* register dummy console device */
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#ifdef RT_USING_DEVICE_OPS
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static struct rt_device_ops _ops = {0};
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dummy_console.ops = &_ops;
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#endif
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dummy_console.type = RT_Device_Class_Char;
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rt_device_register(&dummy_console, "dummy", RT_DEVICE_FLAG_RDWR);
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}
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/* backup the console device */
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console_dev = rt_console_get_device();
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console_open_flag = console_dev->open_flag;
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console_dev->open_flag = 0;
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/* set the new console device to dummy console */
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rt_console_set_device(dummy_console.parent.name);
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/* reopen the old console device for mp_putsn */
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rt_device_open(console_dev, RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
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}
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void mp_putsn_deinit(void) {
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/* close the old console, it's already in mp_putsn_init */
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rt_device_close(console_dev);
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/* restore the old console device */
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rt_console_set_device(console_dev->parent.name);
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console_dev->open_flag = console_open_flag;
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rt_device_unregister(&dummy_console);
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}
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