mirror of
https://github.com/0xFEEDC0DE64/arduino-esp32.git
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96822d783f
* TX Flow Control and Code cleanup * Use semaphore instead of delay TX functionality is done. * Use single buffer and empty queue on exit * Fix compile issues because of LwIP code relocation * Add temporary header to fix Azure not compiling * Fix AsyncUDP early init * AsyncUDP Multicast fixes * Add source mac address and rework multicast * Allow redefinition of default pins for Serials 1 and 2 * Update IDF to 3276a13 * Update esptool.py to 2.5.0 * Fix sketches * Fix log level in BluetoothSetial
297 lines
12 KiB
C
297 lines
12 KiB
C
// Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// This header file is based on the termios header of
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// "The Single UNIX (r) Specification, Version 2, Copyright (c) 1997 The Open Group".
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#ifndef __ESP_SYS_TERMIOS_H__
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#define __ESP_SYS_TERMIOS_H__
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// ESP-IDF NOTE: This header provides only a compatibility layer for macros and functions defined in sys/termios.h.
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// Not everything has a defined meaning for ESP-IDF (e.g. process leader IDs) and therefore are likely to be stubbed
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// in actual implementations.
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#include <stdint.h>
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#include <sys/types.h>
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#include "sdkconfig.h"
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#ifdef CONFIG_SUPPORT_TERMIOS
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// subscripts for the array c_cc:
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#define VEOF 0 /** EOF character */
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#define VEOL 1 /** EOL character */
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#define VERASE 2 /** ERASE character */
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#define VINTR 3 /** INTR character */
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#define VKILL 4 /** KILL character */
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#define VMIN 5 /** MIN value */
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#define VQUIT 6 /** QUIT character */
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#define VSTART 7 /** START character */
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#define VSTOP 8 /** STOP character */
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#define VSUSP 9 /** SUSP character */
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#define VTIME 10 /** TIME value */
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#define NCCS (VTIME + 1) /** Size of the array c_cc for control characters */
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// input modes for use as flags in the c_iflag field
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#define BRKINT (1u << 0) /** Signal interrupt on break. */
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#define ICRNL (1u << 1) /** Map CR to NL on input. */
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#define IGNBRK (1u << 2) /** Ignore break condition. */
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#define IGNCR (1u << 3) /** Ignore CR. */
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#define IGNPAR (1u << 4) /** Ignore characters with parity errors. */
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#define INLCR (1u << 5) /** Map NL to CR on input. */
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#define INPCK (1u << 6) /** Enable input parity check. */
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#define ISTRIP (1u << 7) /** Strip character. */
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#define IUCLC (1u << 8) /** Map upper-case to lower-case on input (LEGACY). */
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#define IXANY (1u << 9) /** Enable any character to restart output. */
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#define IXOFF (1u << 10) /** Enable start/stop input control. */
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#define IXON (1u << 11) /** Enable start/stop output control. */
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#define PARMRK (1u << 12) /** Mark parity errors. */
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// output Modes for use as flags in the c_oflag field
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#define OPOST (1u << 0) /** Post-process output */
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#define OLCUC (1u << 1) /** Map lower-case to upper-case on output (LEGACY). */
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#define ONLCR (1u << 2) /** Map NL to CR-NL on output. */
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#define OCRNL (1u << 3) /** Map CR to NL on output. */
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#define ONOCR (1u << 4) /** No CR output at column 0. */
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#define ONLRET (1u << 5) /** NL performs CR function. */
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#define OFILL (1u << 6) /** Use fill characters for delay. */
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#define NLDLY (1u << 7) /** Select newline delays: */
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#define NL0 (0u << 7) /** Newline character type 0. */
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#define NL1 (1u << 7) /** Newline character type 1. */
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#define CRDLY (3u << 8) /** Select carriage-return delays: */
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#define CR0 (0u << 8) /** Carriage-return delay type 0. */
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#define CR1 (1u << 8) /** Carriage-return delay type 1. */
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#define CR2 (2u << 8) /** Carriage-return delay type 2. */
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#define CR3 (3u << 8) /** Carriage-return delay type 3. */
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#define TABDLY (3u << 10) /** Select horizontal-tab delays: */
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#define TAB0 (0u << 10) /** Horizontal-tab delay type 0. */
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#define TAB1 (1u << 10) /** Horizontal-tab delay type 1. */
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#define TAB2 (2u << 10) /** Horizontal-tab delay type 2. */
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#define TAB3 (3u << 10) /** Expand tabs to spaces. */
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#define BSDLY (1u << 12) /** Select backspace delays: */
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#define BS0 (0u << 12) /** Backspace-delay type 0. */
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#define BS1 (1u << 12) /** Backspace-delay type 1. */
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#define VTDLY (1u << 13) /** Select vertical-tab delays: */
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#define VT0 (0u << 13) /** Vertical-tab delay type 0. */
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#define VT1 (1u << 13) /** Vertical-tab delay type 1. */
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#define FFDLY (1u << 14) /** Select form-feed delays: */
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#define FF0 (0u << 14) /** Form-feed delay type 0. */
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#define FF1 (1u << 14) /** Form-feed delay type 1. */
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// Baud Rate Selection. Valid values for objects of type speed_t:
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// CBAUD range B0 - B38400
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#define B0 0 /** Hang up */
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#define B50 1
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#define B75 2
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#define B110 3
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#define B134 4
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#define B150 5
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#define B200 6
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#define B300 7
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#define B600 8
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#define B1200 9
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#define B1800 10
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#define B2400 11
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#define B4800 12
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#define B9600 13
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#define B19200 14
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#define B38400 15
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// CBAUDEX range B57600 - B4000000
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#define B57600 16
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#define B115200 17
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#define B230400 18
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#define B460800 19
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#define B500000 20
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#define B576000 21
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#define B921600 22
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#define B1000000 23
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#define B1152000 24
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#define B1500000 25
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#define B2000000 26
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#define B2500000 27
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#define B3000000 28
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#define B3500000 29
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#define B4000000 30
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// Control Modes for the c_cflag field:
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#define CSIZE (3u << 0) /* Character size: */
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#define CS5 (0u << 0) /** 5 bits. */
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#define CS6 (1u << 0) /** 6 bits. */
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#define CS7 (2u << 0) /** 7 bits. */
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#define CS8 (3u << 0) /** 8 bits. */
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#define CSTOPB (1u << 2) /** Send two stop bits, else one. */
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#define CREAD (1u << 3) /** Enable receiver. */
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#define PARENB (1u << 4) /** Parity enable. */
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#define PARODD (1u << 5) /** Odd parity, else even. */
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#define HUPCL (1u << 6) /** Hang up on last close. */
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#define CLOCAL (1u << 7) /** Ignore modem status lines. */
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#define CBAUD (1u << 8) /** Use baud rates defined by B0-B38400 macros. */
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#define CBAUDEX (1u << 9) /** Use baud rates defined by B57600-B4000000 macros. */
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#define BOTHER (1u << 10) /** Use custom baud rates */
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// Local Modes for c_lflag field:
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#define ECHO (1u << 0) /** Enable echo. */
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#define ECHOE (1u << 1) /** Echo erase character as error-correcting backspace. */
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#define ECHOK (1u << 2) /** Echo KILL. */
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#define ECHONL (1u << 3) /** Echo NL. */
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#define ICANON (1u << 4) /** Canonical input (erase and kill processing). */
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#define IEXTEN (1u << 5) /** Enable extended input character processing. */
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#define ISIG (1u << 6) /** Enable signals. */
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#define NOFLSH (1u << 7) /** Disable flush after interrupt or quit. */
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#define TOSTOP (1u << 8) /** Send SIGTTOU for background output. */
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#define XCASE (1u << 9) /** Canonical upper/lower presentation (LEGACY). */
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// Attribute Selection constants for use with tcsetattr():
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#define TCSANOW 0 /** Change attributes immediately. */
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#define TCSADRAIN 1 /** Change attributes when output has drained. */
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#define TCSAFLUSH 2 /** Change attributes when output has drained; also flush pending input. */
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// Line Control constants for use with tcflush():
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#define TCIFLUSH 0 /** Flush pending input. Flush untransmitted output. */
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#define TCIOFLUSH 1 /** Flush both pending input and untransmitted output. */
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#define TCOFLUSH 2 /** Flush untransmitted output. */
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// constants for use with tcflow():
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#define TCIOFF 0 /** Transmit a STOP character, intended to suspend input data. */
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#define TCION 1 /** Transmit a START character, intended to restart input data. */
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#define TCOOFF 2 /** Suspend output. */
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#define TCOON 3 /** Restart output. */
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typedef uint8_t cc_t;
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typedef uint32_t speed_t;
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typedef uint16_t tcflag_t;
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struct termios
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{
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tcflag_t c_iflag; /** Input modes */
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tcflag_t c_oflag; /** Output modes */
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tcflag_t c_cflag; /** Control modes */
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tcflag_t c_lflag; /** Local modes */
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cc_t c_cc[NCCS]; /** Control characters */
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speed_t c_ispeed; /** input baud rate */
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speed_t c_ospeed; /** output baud rate */
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Extracts the input baud rate from the input structure exactly (without interpretation).
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*
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* @param p input termios structure
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* @return input baud rate
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*/
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speed_t cfgetispeed(const struct termios *p);
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/**
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* @brief Extracts the output baud rate from the input structure exactly (without interpretation).
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*
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* @param p input termios structure
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* @return output baud rate
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*/
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speed_t cfgetospeed(const struct termios *p);
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/**
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* @brief Set input baud rate in the termios structure
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*
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* There is no effect in hardware until a subsequent call of tcsetattr().
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*
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* @param p input termios structure
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* @param sp input baud rate
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int cfsetispeed(struct termios *p, speed_t sp);
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/**
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* @brief Set output baud rate in the termios structure
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*
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* There is no effect in hardware until a subsequent call of tcsetattr().
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*
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* @param p input termios structure
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* @param sp output baud rate
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int cfsetospeed(struct termios *p, speed_t sp);
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/**
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* @brief Wait for transmission of output
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*
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* @param fd file descriptor of the terminal
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int tcdrain(int fd);
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/**
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* @brief Suspend or restart the transmission or reception of data
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*
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* @param fd file descriptor of the terminal
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* @param action selects actions to do
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int tcflow(int fd, int action);
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/**
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* @brief Flush non-transmitted output data and non-read input data
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*
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* @param fd file descriptor of the terminal
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* @param select selects what should be flushed
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int tcflush(int fd, int select);
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/**
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* @brief Gets the parameters of the terminal
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*
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* @param fd file descriptor of the terminal
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* @param p output termios structure
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int tcgetattr(int fd, struct termios *p);
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/**
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* @brief Get process group ID for session leader for controlling terminal
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*
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* @param fd file descriptor of the terminal
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* @return process group ID when successful, -1 otherwise with errno set
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*/
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pid_t tcgetsid(int fd);
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/**
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* @brief Send a break for a specific duration
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*
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* @param fd file descriptor of the terminal
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* @param duration duration of break
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int tcsendbreak(int fd, int duration);
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/**
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* @brief Sets the parameters of the terminal
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*
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* @param fd file descriptor of the terminal
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* @param optional_actions optional actions
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* @param p input termios structure
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* @return 0 when successful, -1 otherwise with errno set
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*/
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int tcsetattr(int fd, int optional_actions, const struct termios *p);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // CONFIG_SUPPORT_TERMIOS
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#endif //__ESP_SYS_TERMIOS_H__
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