3eedebe031
Remove build warning when building the posix_arch_console driver with CONFIG_PRINTK=n and CONFIG_STDOUT_CONSOLE=n. Fixes: #93790 Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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* Copyright (c) 2018 Oticon A/S
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* Copyright (c) 2023 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/init.h>
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#include <zephyr/arch/posix/posix_trace.h>
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#include <zephyr/sys/printk-hooks.h>
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#include <zephyr/sys/libc-hooks.h>
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#define _STDOUT_BUF_SIZE 256
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static char stdout_buff[_STDOUT_BUF_SIZE];
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static int n_pend; /* Number of pending characters in buffer */
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#if defined(CONFIG_PRINTK) || defined(CONFIG_STDOUT_CONSOLE)
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static int print_char(int c)
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{
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int printnow = 0;
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if ((c != '\n') && (c != '\r')) {
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stdout_buff[n_pend++] = c;
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stdout_buff[n_pend] = 0;
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} else {
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printnow = 1;
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}
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if (n_pend >= _STDOUT_BUF_SIZE - 1) {
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printnow = 1;
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}
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if (printnow) {
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posix_print_trace("%s\n", stdout_buff);
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n_pend = 0;
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stdout_buff[0] = 0;
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}
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return c;
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}
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#endif /* defined(CONFIG_PRINTK) || defined(CONFIG_STDOUT_CONSOLE) */
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/**
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* Ensure that whatever was written thru printk is displayed now
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*/
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void posix_flush_stdout(void)
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{
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if (n_pend) {
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stdout_buff[n_pend] = 0;
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posix_print_trace("%s", stdout_buff);
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n_pend = 0;
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stdout_buff[0] = 0;
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}
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}
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static int posix_arch_console_init(void)
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{
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#ifdef CONFIG_PRINTK
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__printk_hook_install(print_char);
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#endif
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#ifdef CONFIG_STDOUT_CONSOLE
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__stdout_hook_install(print_char);
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#endif
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return 0;
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}
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SYS_INIT(posix_arch_console_init, PRE_KERNEL_1,
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CONFIG_POSIX_ARCH_CONSOLE_INIT_PRIORITY);
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