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[Fix] <components>:finsh/shell.c F: char rt_hw_console_getchar(void) #10345

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2 changes: 1 addition & 1 deletion components/finsh/shell.c
Original file line number Diff line number Diff line change
Expand Up @@ -193,7 +193,7 @@ int finsh_getchar(void)
return ch;
#endif /* RT_USING_POSIX_STDIO */
#else
extern char rt_hw_console_getchar(void);
extern signed char rt_hw_console_getchar(void);
return rt_hw_console_getchar();
#endif /* RT_USING_DEVICE */
}
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