Add termios header files; add files missed in last commit

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3739 42af7a65-404d-4744-a932-0658087f49c3

3 files changed, 446 insertions, 12 deletions

diff --git a/nuttx/include/nuttx/ioctl.h b/nuttx/include/nuttx/ioctl.h
index 30a8bd5f6..a13518a7a 100644
--- a/nuttx/include/nuttx/ioctl.h
+++ b/nuttx/include/nuttx/ioctl.h
@@ -1,7 +1,7 @@
 /****************************************************************************
  * include/nuttx/ioctl.h
  *
- *   Copyright (C) 2008, 2009 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2008, 2009, 2011 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -45,7 +45,7 @@
 /****************************************************************************
  * Pre-Processor Definitions
  ****************************************************************************/
-
+/* General ioctl definitions ************************************************/
 /* Each NuttX ioctl commands are uint16_t's consisting of an 8-bit type
  * identifier and an 8-bit command number.  All comman type identifiers are
  * defined below:
@@ -68,23 +68,23 @@
 
 #define _IOC(type,nr)   ((type)|(nr))
 
-/* Terminal I/O ioctl commands */
+/* Terminal I/O ioctl commands **********************************************/
 
 #define _TIOCVALID(c)   (_IOC_TYPE(c)==_TIOCBASE)
 #define _TIOC(nr)       _IOC(_TIOCBASE,nr)
 
-#define TIOCSBRK        _TIOC(0x0001)     /* BSD compatibility */
-#define TIOCCBRK        _TIOC(0x0002)     /* " " "           " */
-#define TIOCSERGSTRUCT  _TIOC(0x0003)     /* Get up_dev_t for port */
+/* Terminal I/O IOCTL definitions are retained in tioctl.h */
+
+#include <nuttx/tioctl.h>
 
-/* Watchdog driver ioctl commands */
+/* Watchdog driver ioctl commands *******************************************/
 
 #define _WDIOCVALID(c)  (_IOC_TYPE(c)==_WDIOCBASE)
 #define _WDIOC(nr)      _IOC(_WDIOCBASE,nr)
 
 #define WDIOC_KEEPALIVE _WDIOC(0x0001)    /* Restart the watchdog timer */
 
-/* NuttX file system ioctl definitions */
+/* NuttX file system ioctl definitions **************************************/
 
 #define _FIOCVALID(c)   (_IOC_TYPE(c)==_FIOCBASE)
 #define _FIOC(nr)       _IOC(_FIOCBASE,nr)
@@ -101,7 +101,7 @@
                                            * OUT: None
                                            */
 
-/* NuttX file system ioctl definitions */
+/* NuttX file system ioctl definitions **************************************/
 
 #define _DIOCVALID(c)   (_IOC_TYPE(c)==_DIOCBASE)
 #define _DIOC(nr)       _IOC(_DIOCBASE,nr)
@@ -116,7 +116,7 @@
                                            *      FIOC_GETPRIV released.
                                            */
 
-/* NuttX block driver ioctl definitions */
+/* NuttX block driver ioctl definitions *************************************/
 
 #define _BIOCVALID(c)   (_IOC_TYPE(c)==_BIOCBASE)
 #define _BIOC(nr)       _IOC(_BIOCBASE,nr)
@@ -136,7 +136,8 @@
                                            * IN:  None
                                            * OUT: None (ioctl return value provides
                                            *      success/failure indication). */
-/* NuttX MTD driver ioctl definitions */
+
+/* NuttX MTD driver ioctl definitions ***************************************/
 
 #define _MTDIOCVALID(c)   (_IOC_TYPE(c)==_MTDIOCBASE)
 #define _MTDIOC(nr)       _IOC(_MTDIOCBASE,nr)
@@ -154,7 +155,7 @@
 #define MTDIOC_BULKERASE  _MTDIOC(0x0003) /* IN:  None
                                            * OUT: None */
 
-/* NuttX ARP driver ioctl definitions (see netinet/arp.h) */
+/* NuttX ARP driver ioctl definitions (see netinet/arp.h) *******************/
 
 #define _ARPIOCVALID(c)   (_IOC_TYPE(c)==_ARPBASE)
 #define _ARPIOC(nr)       _IOC(_ARPBASE,nr)
diff --git a/nuttx/include/nuttx/tioctl.h b/nuttx/include/nuttx/tioctl.h
new file mode 100644
index 000000000..c45ebc0b1
--- /dev/null
+++ b/nuttx/include/nuttx/tioctl.h
@@ -0,0 +1,197 @@
+/********************************************************************************************
+ * include/nuttx/tioctl.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ********************************************************************************************/
+/* This function should not be included directly.  Rather, it should be included indirectly
+ * via include/nuttx/ioctl.h.
+ */
+
+#ifndef __INCLUDE_NUTTX_TIOCTL_H
+#define __INCLUDE_NUTTX_TIOCTL_H
+
+/********************************************************************************************
+ * Included Files
+ ********************************************************************************************/
+
+#include <stdint.h>
+
+/********************************************************************************************
+ * Pre-Processor Definitions
+ ********************************************************************************************/
+
+ /* Get and Set Terminal Attributes */
+
+#define TCGETS          _TIOC(0x0001)  /* Get serial port settings: FAR struct termios* */
+#define TCSETS          _TIOC(0x0002)  /* Set serial port settings: FAR const struct termios* */
+#define TCSETSW         _TIOC(0x0003)  /* Drain output and set serial port settings: FAR const struct termios* */
+#define TCSETSF         _TIOC(0x0004)  /* Drain output, discard intput, and set serial port settings: FAR const struct termios* */
+#define TCGETA          _TIOC(0x0005)  /* See TCGETS: FAR struct termio* */
+#define TCSETA          _TIOC(0x0006)  /* See TCSETS: FAR const struct termio* */
+#define TCSETAW         _TIOC(0x0007)  /* See TCSETSF: FAR const struct termio* */
+#define TCSETAF         _TIOC(0x0008)  /* See TCSETSF: FAR const struct termio* */
+
+/* Locking the termios structure */
+
+#define TIOCGLCKTRMIOS  _TIOC(0x0009) /* Get termios lock status: struct termios* */
+#define TIOCSLCKTRMIOS  _TIOC(0x000a) /* Set termios lock status: const struct termios* */
+
+/* Get and Set Window Size */
+
+#define TIOCGWINSZ      _TIOC(0x000b) /* Get window size: FAR struct winsize* */
+#define TIOCSWINSZ      _TIOC(0x000c) /* Set window size: FAR const struct winsize* */
+
+/* Send a break */
+
+#define TCSBRK          _TIOC(0x000d)  /* Send a break: int */
+#define TCSBRKP         _TIOC(0x000e)  /* Send a POSIX break: int */
+#define TIOCSBRK        _TIOC(0x000f)  /* Turn break on: void */
+#define TIOCCBRK        _TIOC(0x0010)  /* Turn break off: void */
+
+/* Software flow control */
+
+#define TCXONC          _TIOC(0x0011)  /* Control flow control: int */
+
+/* Buffer count and flushing */
+
+#define TIOCINQ         _TIOC(0x0012)  /* Bytes in input buffer: int* */
+#define TIOCOUTQ        _TIOC(0x0013)  /* Bytes in output buffer: int* */
+#define TCFLSH          _TIOC(0x0014)  /* Flush: int */
+
+/* Faking input */
+
+#define TIOCSTI         _TIOC(0x0015)  /* Insert into input: const char* */
+
+/* Re-directing console output */
+
+#define TIOCCONS        _TIOC(0x0016)  /* Re-direct console output to device: void */
+
+/* Controlling TTY */
+
+#define TIOCSCTTY       _TIOC(0x0017)  /* Make controlling TTY: int */
+#define TIOCNOTTY       _TIOC(0x0018)  /* Give up controllinog TTY: void */
+
+/* Exclusive mode */
+
+#define TIOCEXCL        _TIOC(0x0019)  /* Put TTY in exclusive mode: void */
+#define TIOCNXCL        _TIOC(0x001a)  /* Disable exclusive mode: void */
+
+/* Line discipline */
+
+#define TIOCGETD        _TIOC(0x001b)  /* Get line discipline: FAR int* */
+#define TIOCSETD        _TIOC(0x001c)  /* Set line discipline: FAR const int* */
+
+/* Packet mode */
+
+#define TIOCPKT         _TIOC(0x001d)  /* Control packet mode: FAR const int* */
+
+#  define TIOCPKT_FLUSHREAD  (1 << 0)  /* The read queue for the terminal is flushed */
+#  define TIOCPKT_FLUSHWRITE (1 << 1)  /* The write queue for the terminal is flushed */
+#  define TIOCPKT_STOP       (1 << 2)  /* Output to the terminal is stopped */
+#  define TIOCPKT_START      (1 << 3)  /* Output to the terminal is restarted */
+#  define TIOCPKT_DOSTOP     (1 << 4)  /* t_stopc is '^S' and t_startc is '^Q' */
+#  define TIOCPKT_NOSTOP     (1 << 5)  /* The start and stop characters are not '^S/^Q' */
+
+/* Modem control */
+
+#define TIOCMGET        _TIOC(0x001e)  /* Get modem status bits: FAR int* */
+#define TIOCMSET        _TIOC(0x001f)  /* Set modem status bits: FAR const int* */
+#define TIOCMBIC        _TIOC(0x0020)  /* Clear modem bits: FAR const int* */
+#define TIOCMBIS        _TIOC(0x0021)  /* Set modem bits: FAR const int* */
+
+#  define TIOCM_LE     (1 << 0)        /* DSR (data set ready/line enable) */
+#  define TIOCM_DTR    (1 << 1)        /* DTR (data terminal ready) */
+#  define TIOCM_RTS    (1 << 2)        /* RTS (request to send) */
+#  define TIOCM_ST     (1 << 3)        /* Secondary TXD (transmit) */
+#  define TIOCM_SR     (1 << 4)        /* Secondary RXD (receive) */
+#  define TIOCM_CTS    (1 << 5)        /* CTS (clear to send) */
+#  define TIOCM_CAR    (1 << 6)        /* DCD (data carrier detect) */
+#  define TIOCM_CD     TIOCM_CAR
+#  define TIOCM_RNG    (1 << 7)        /* RNG (ring) */
+#  define TIOCM_RI     TIOCM_RNG
+#  define TIOCM_DSR    (1 << 8)        /* DSR (data set ready) */
+
+/* TTY shutdown */
+
+#define TIOCVHANGUP     _TIOC(0x0022)  /* Shutdown TTY: void */
+
+/* Marking a line as local */
+
+#define TIOCGSOFTCAR    _TIOC(0x0023)  /* Get software carrier flag: FAR int* */
+#define TIOCSSOFTCAR    _TIOC(0x0024)  /* Set software carrier flag: FAR const int* */
+
+/* Get/set serial line info */
+
+#define TIOCGSERIAL     _TIOC(0x0025)  /* Get serial line info: FAR struct serial_struct* */
+#define TIOCSSERIAL     _TIOC(0x0026)  /* Set serial line info: FAR const struct serial_struct* */
+#define TIOCSERGETLSR   _TIOC(0x0027)  /* Get line status register: FAR int* */
+
+/* Serial events  */
+
+#define TIOCMIWAIT      _TIOC(0x0028)  /* Wait for a change on serial input line(s): void */
+#define TIOCGICOUNT     _TIOC(0x0029)  /* Read serial port interrupt count: FAR  struct serial_icounter_struct* */
+
+/* Debugging */
+
+#define TIOCSERGSTRUCT  _TIOC(0x002a) /* Get device TTY structure */
+
+/********************************************************************************************
+ * Public Type Definitions
+ ********************************************************************************************/
+
+/* Used with TTY ioctls */
+
+struct winsize
+{
+  uint16_t ws_row;
+  uint16_t ws_col;
+/* uint16_t ws_xpixel;    unused */
+/* uint16_t ws_ypixel;    unused */
+};
+
+/********************************************************************************************
+ * Public Function Prototypes
+ ********************************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_TIOCTL_H */
diff --git a/nuttx/include/termios.h b/nuttx/include/termios.h
new file mode 100644
index 000000000..9e87e72a8
--- /dev/null
+++ b/nuttx/include/termios.h
@@ -0,0 +1,236 @@
+/****************************************************************************
+ * include/termios.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_TERMIOS_H
+#define __INCLUDE_TERMIOS_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <sys/types.h>
+#include <stdint.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/* Terminal input modes (c_iflag in the termios structure) */
+
+#define BRKINT    (1 << 0)  /* Signal interrupt on break */
+#define ICRNL     (1 << 1)  /* Map CR to NL on input */
+#define IGNBRK    (1 << 2)  /* Ignore break condition */
+#define IGNCR     (1 << 3)  /* Ignore CR */
+#define IGNPAR    (1 << 4)  /* Ignore characters with parity errors */
+#define INLCR     (1 << 5)  /* Map NL to CR on input */
+#define INPCK     (1 << 6)  /* Enable input parity check */
+#define ISTRIP    (1 << 7)  /* Strip character */
+#define IUCLC     (1 << 8)  /* Map upper-case to lower-case on input (LEGACY) */
+#define IXANY     (1 << 9)  /* Enable any character to restart output */
+#define IXOFF     (1 << 10) /* Enable start/stop input control */
+#define IXON      (1 << 11) /* Enable start/stop output control */
+#define PARMRK    (1 << 12) /* Mark parity errors */
+
+/* Terminal output modes (c_oflag in the termios structure) */
+
+#define OPOST     (1 << 0)  /* Post-process output */
+#define OLCUC     (1 << 1)  /* Map lower-case to upper-case on output (LEGACY) */
+#define ONLCR     (1 << 2)  /* Map NL to CR-NL on output */
+#define OCRNL     (1 << 3)  /* Map CR to NL on output */
+#define ONOCR     (1 << 4)  /* No CR output at column 0 */
+#define ONLRET    (1 << 5)  /* NL performs CR function */
+#define OFILL     (1 << 6)  /* Use fill characters for delay */
+#define NLDLY     (1 << 7)  /* Select newline delays: */
+#  define NL0     (0 << 7)  /* Newline character type 0 */
+#  define NL1     (1 << 7)  /* Newline character type 1 */
+#define CRDLY     (3 << 8)  /* Select carriage-return delays: */
+#  define CR0     (0 << 8)  /* Carriage-return delay type 0 */
+#  define CR1     (1 << 8)  /* Carriage-return delay type 1 */
+#  define CR2     (2 << 8)  /* Carriage-return delay type 2 */
+#  define CR3     (3 << 8)  /* Carriage-return delay type 3 */
+#define TABDLY    (3 << 10) /* Select horizontal-tab delays: */
+#  define TAB0    (0 << 10) /* Horizontal-tab delay type 0 */
+#  define TAB1    (1 << 10) /* Horizontal-tab delay type 1 */
+#  define TAB2    (2 << 10) /* Horizontal-tab delay type 2 */
+#  define TAB3    (3 << 10) /* Expand tabs to spaces */
+#define BSDLY     (1 << 12) /* Select backspace delays: */
+#  define BS0     (0 << 12) /* Backspace-delay type 0 */
+#  define BS1     (1 << 12) /* Backspace-delay type 1 */
+#define VTDLY     (1 << 13) /* Select vertical-tab delays: */
+#  define VT0     (0 << 13) /* Vertical-tab delay type 0 */
+#  define VT1     (1 << 13) /* Vertical-tab delay type 1 */
+#define FFDLY     (1 << 14) /* Select form-feed delays: */
+#  define FF0     (0 << 14) /* Form-feed delay type 0 */
+#  define FF1     (1 << 14) /* Form-feed delay type 1 */
+
+/* Control Modes (c_cflag in the termios structure) */
+
+#define CSIZE     (3 << 0)  /* Character size: */
+#  define CS5     (0 << 0)  /* 5 bits */
+#  define CS6     (1 << 0)  /* 6 bits */
+#  define CS7     (2 << 0)  /* 7 bits */
+#  define CS8     (3 << 0)  /* 8 bits */
+#define CSTOPB    (1 << 2)  /* Send two stop bits, else one */
+#define CREAD     (1 << 3)  /* Enable receiver */
+#define PARENB    (1 << 4)  /* Parity enable */
+#define PARODD    (1 << 5)  /* Odd parity, else even */
+#define HUPCL     (1 << 6)  /* Hang up on last close */
+#define CLOCAL    (1 << 7)  /* Ignore modem status lines */
+
+/* Local Modes (c_lflag in the termios structure) */
+
+#define ECHO      (1 << 0)  /* Enable echo */
+#define ECHOE     (1 << 1)  /* Echo erase character as error-correcting backspace */
+#define ECHOK     (1 << 2)  /* Echo KILL */
+#define ECHONL    (1 << 3)  /* Echo NL */
+#define ICANON    (1 << 4)  /* Canonical input (erase and kill processing) */
+#define IEXTEN    (1 << 5)  /* Enable extended input character processing */
+#define ISIG      (1 << 6)  /* Enable signals */
+#define NOFLSH    (1 << 7)  /* Disable flush after interrupt or quit */
+#define TOSTOP    (1 << 8)  /* Send SIGTTOU for background output */
+#define XCASE     (1 << 9)  /* Canonical upper/lower presentation (LEGACY) */
+
+/* The following are subscript names for the termios c_cc array */
+
+#define VEOF      0         /* EOF character (canonical mode) */
+#define VMIN      VEOF      /* MIN value (Non-canonical mode) */
+#define VEOL      1         /* EOL character (canonical mode) */
+#define VTIME     VEOL      /* TIME value (Non-canonical mode) */
+#define VERASE    2         /* ERASE character (canonical mode) */
+#define VINTR     3         /* INTR character */
+#define VKILL     4         /* KILL character (canonical mode) */
+#define VQUIT     5         /* QUIT character */
+#define VSTART    6         /* START character */
+#define VSTOP     7         /* STOP character */
+#define VSUSP     8         /* SUSP character */
+#define NCCS      9         /* Size of the array c_cc for control characters */
+
+/* Baud Rate Selection (objects of type speed_t) */
+
+#define B0         0        /* Hang up */
+#define B50        1        /* 50 baud */
+#define B75        2        /* 75 baud */
+#define B110       3        /* 110 baud */
+#define B134       4        /* 134.5 baud */
+#define B150       5        /* 150 baud */
+#define B200       6        /* 200 baud */
+#define B300       7        /* 300 baud */
+#define B600       8        /* 600 baud */
+#define B1200      9        /* 1,200 baud */
+#define B1800     10        /* 1,800 baud */
+#define B2400     11        /* 2,400 baud */
+#define B4800     12        /* 4,800 baud */
+#define B9600     13        /* 9,600 baud */
+#define B19200    14        /* 19,200 baud */
+#define B38400    15        /* 38,400 baud */
+#define B57600    16        /* 57,600 baud */
+#define B115200   17        /* 115,200 baud */
+#define B230400   18        /* 230,400 baud */
+#define B460800   19        /* 460,800 baud */
+#define B921600   20        /* 921,600 baud */
+
+/* Attribute Selection (used with tcsetattr()) */
+
+#define TCSANOW   0         /* Change attributes immediately */
+#define TCSADRAIN 1         /* Change attributes when output has drained */
+#define TCSAFLUSH 2         /* Change attributes when output has drained; also flush pending input */
+
+/* Line Control (used with tcflush()) */
+
+#define TCIFLUSH  0         /* Flush pending input. Flush untransmitted output */
+#define TCIOFLUSH 1         /* Flush both pending input and untransmitted output */
+#define TCOFLUSH  2         /* Flush untransmitted output */
+
+/* Constants for use with tcflow() */
+
+#define TCIOFF    0         /* Transmit a STOP character, intended to suspend input data */
+#define TCION     1         /* Transmit a START character, intended to restart input data */
+#define TCOOFF    2         /* Suspend output */
+#define TCOON     3         /* Restart output */
+
+/****************************************************************************
+ * Public Type Definitions
+ ****************************************************************************/
+
+/* Baud rate selection */
+
+typedef uint8_t  speed_t;   /* Used for terminal baud rates */
+
+/* Types used within the termios structure */
+
+typedef uint16_t tcflag_t;  /* Used for terminal modes */
+typedef int      cc_t;      /* Used for terminal special characters */
+
+/* The termios structure */
+
+struct termios
+{
+  tcflag_t  c_iflag         /* Input modes */
+  tcflag_t  c_oflag         /* Output modes */
+  tcflag_t  c_cflag         /* Control modes */
+  tcflag_t  c_lflag         /* Local modes */
+  cc_t      c_cc[NCCS]      /* Control chars */
+};
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+EXTERN speed_t cfgetispeed(const struct termios *);
+EXTERN speed_t cfgetospeed(const struct termios *);
+EXTERN int     cfsetispeed(struct termios *, speed_t);
+EXTERN int     cfsetospeed(struct termios *, speed_t);
+EXTERN int     tcdrain(int);
+EXTERN int     tcflow(int, int);
+EXTERN int     tcflush(int, int);
+EXTERN int     tcgetattr(int, struct termios *);
+EXTERN pid_t   tcgetsid(int);
+EXTERN int     tcsendbreak(int, int);
+EXTERN int     tcsetattr(int, int, struct termios *);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_TERMIOS_H */