| 123456789101112131415161718192021222324252627282930 | /* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date           Author       Notes */#include <rthw.h>#include <rtconfig.h>#ifndef RT_USING_FINSH#error Please uncomment the line <#include "finsh_config.h"> in the rtconfig.h #endif#ifdef RT_USING_FINSHRT_WEAK char rt_hw_console_getchar(void){    /* Note: the initial value of ch must < 0 */    int ch = -1;#error "TODO 4: Read a char from the uart and assign it to 'ch'."    return ch;}#endif /* RT_USING_FINSH */
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