mirror of
https://github.com/espressif/esp-idf.git
synced 2026-04-27 19:13:21 +00:00
Guillaume Souchere
5fac0b7386
- Move the linux repl chip and deprecate chip related functions - Update location of driver specific default config - Add missing comments on the newly added functions in the affected components.
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <termios.h>
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#include <assert.h>
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#include "sdkconfig.h"
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#include "esp_stdio_linux.h"
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static struct termios s_orig_termios;
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/**
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* This function restores the original terminal settings.
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*/
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static void disable_raw_mode(void)
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{
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assert(tcsetattr(STDIN_FILENO, TCSAFLUSH, &s_orig_termios) == 0);
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}
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void linux_vfs_dev_port_deinit(linux_port_config_t *config)
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{
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(void)config;
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}
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esp_err_t linux_vfs_dev_port_init(linux_port_config_t *config)
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{
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(void)config;
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// Set stdin to unbuffered
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setvbuf(stdin, NULL, _IONBF, 0);
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const int stdin_fileno = fileno(stdin);
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if (isatty(stdin_fileno)) {
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// Use Termios driver to activate CR-NL translation and deactivate echo and canonical mode
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assert(tcgetattr(stdin_fileno, &s_orig_termios) == 0);
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struct termios raw = s_orig_termios;
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raw.c_iflag |= ICRNL; // we translate to NL because linenoise expects NL
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raw.c_lflag &= ~(ECHO | ICANON); // turn off echo and canonical mode
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assert(tcsetattr(stdin_fileno, TCSAFLUSH, &raw) == 0);
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// Make sure user does not end up with a broken terminal
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assert(atexit(disable_raw_mode) == 0);
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} else {
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// Flush input
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assert(fflush(stdin) == 0);
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}
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return ESP_OK;
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}
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