/** * @defgroup termios Termios * @ingroup libc */ #ifndef _TERMIOS_H #define _TERMIOS_H #ifdef __cplusplus extern "C" { #endif #include #define __NEED_pid_t #include typedef unsigned char cc_t; typedef unsigned int speed_t; typedef unsigned int tcflag_t; #define NCCS 32 #include /** *@ingroup termios * *@par Description: *The cfgetospeed() function shall extract the output baud rate from the *termios structure to which the s argument points. This function *shall return exactly the value in the termios data structure, without interpretation. * *@attention *
    *
  • None.
    • *
* *@retval #speed_t Upon successful completion, cfgetospeed() shall return a value *of type speed_t representing the output baud rate. * *@par Dependency: *
  • termios.h
*@see cfgetispeed | cfsetispeed | cfsetospeed | tcgetattr *@since Huawei LiteOS V100R001C00 */ speed_t cfgetospeed (const struct termios *); /** *@ingroup termios * *@par Description: *The cfgetispeed() function shall extract the input baud rate from the termios *structure to which the s argument points. This function shall return *exactly the value in the termios data structure, without interpretation. * *@attention *
    *
  • None.
    • *
* *@retval #speed_t Upon successful completion, cfgetispeed() shall return a value of *type speed_t representing the input baud rate. * *@par Dependency: *
  • termios.h
*@see cfgetospeed | cfsetispeed | cfsetospeed | tcgetattr *@since Huawei LiteOS V100R001C00 */ speed_t cfgetispeed (const struct termios *); /** *@ingroup termios * *@par Description: *The cfsetospeed() function shall set the output baud rate stored in *the structure pointed to by s to speed. * *@attention *
    *
  • None.
    • *
* *@retval #0 cfsetospeed() shall return 0. * *@par Dependency: *
  • termios.h
*@see cfgetispeed | cfgetospeed | cfsetispeed | tcsetattr *@since Huawei LiteOS V100R001C00 */ int cfsetospeed (struct termios *, speed_t); /** *@ingroup termios * *@par Description: *The cfsetispeed() function shall set the input baud rate stored in *the structure pointed to by s to speed. * *@attention *
    *
  • None.
    • *
* *@retval #0 cfsetispeed() shall return 0. * *@par Dependency: *
  • termios.h
*@see cfgetispeed | cfgetospeed | cfsetospeed | tcsetattr *@since Huawei LiteOS V100R001C00 */ int cfsetispeed (struct termios *, speed_t); /** *@ingroup termios * *@par Description: *The tcgetattr() function shall get the parameters associated with the terminal referred *to by fd and store them in the termios structure referenced by s. *The fd argument is an open file descriptor associated with a terminal. * *@attention *
    *
  • The API is not supported.
    • *
* *@retval #0 Upon successful completion, 0 shall be returned. *@retval #-1 If it fails, -1 shall be returned and errno set to indicate the error. * *@par Errors *
    *
  • EBADF:The fd argument is not a valid open file descriptor.
    • *
  • EINVAL:The request or arg argument is not valid for this device.
    • *
  • ENOMEM:If any resource allocation fails, ENOMEM is set as errno.
    • *
  • EAFNOSUPPORT:If socket created with PF_PACKET, SOCK_RAW is called with SIOCADDRT.
    • *
* *@par Dependency: *
  • termios.h
*@see tcsetattr *@since Huawei LiteOS V100R001C00 */ int tcgetattr (int, struct termios *); /** *@ingroup termios * *@par Description: *The tcsetattr() function shall set the parameters associated with the terminal *referred to by the open file descriptor fd (an open file descriptor associated with a terminal) *from the termios structure referenced by s. * *@attention *
    *
  • The API is not supported.
    • *
* *@retval #0 Upon successful completion, 0 shall be returned. *@retval #-1 If it fails, -1 shall be returned and errno set to indicate the error. * *@par Errors *
    *
  • EBADF:The fd argument is not a valid open file descriptor.
    • *
  • EINVAL:The request or arg argument is not valid for this device.
    • *
  • ENOMEM:If any resource allocation fails, ENOMEM is set as errno.
    • *
  • EAFNOSUPPORT:If socket created with PF_PACKET, SOCK_RAW is called with SIOCADDRT.
    • *
* *@par Dependency: *
  • termios.h
*@see cfgetispeed | tcgetattr *@since Huawei LiteOS V100R001C00 */ int tcsetattr (int, int, const struct termios *); /** *@ingroup termios * *@par Description: *The tcsendbreak() function sends a break for a specific duration. * *@attention *
    *
  • None.
    • *
* *@retval #0 Upon successful completion, 0 shall be returned. *@retval #-1 If it fails, -1 shall be returned and errno set to indicate the error. * *@par Errors *
    *
  • EBADF:The fd argument is not a valid open file descriptor.
    • *
  • EINVAL:The request or arg argument is not valid for this device.
    • *
  • ENOMEM:If any resource allocation fails, ENOMEM is set as errno.
    • *
  • EAFNOSUPPORT:If socket created with PF_PACKET, SOCK_RAW is called with SIOCADDRT.
    • *
* *@par Dependency: *
  • termios.h
*@see None *@since Huawei LiteOS V100R001C00 */ int tcsendbreak (int, int); int tcdrain (int); /** *@ingroup termios * *@par Description: *Upon successful completion, tcflush() shall discard data written to the object *referred to by fd (an open file descriptor associated with a terminal) but not transmitted, *or data received but not read, depending on the value of __queue. * *@attention *
    *
  • None.
    • *
* *@retval #0 Upon successful completion, 0 shall be returned. *@retval #-1 If it fails, -1 shall be returned and errno set to indicate the error. * *@par Errors *
    *
  • EBADF:The fd argument is not a valid open file descriptor.
    • *
  • EINVAL:The request or arg argument is not valid for this device.
    • *
  • ENOMEM:If any resource allocation fails, ENOMEM is set as errno.
    • *
  • EAFNOSUPPORT:If socket created with PF_PACKET, SOCK_RAW is called with SIOCADDRT.
    • *
* *@par Dependency: *
  • termios.h
*@see None *@since Huawei LiteOS V100R001C00 */ int tcflush (int, int); /** *@ingroup termios * *@par Description: *The tcflow() function shall suspend or restart transmission or reception of *data on the object referred to by fd, depending on the value of action. * *@attention *
    *
  • None.
    • *
* *@retval #0 Upon successful completion, 0 shall be returned. *@retval #-1 If it fails, -1 shall be returned and errno set to indicate the error. * *@par Errors *
    *
  • EBADF:The fd argument is not a valid open file descriptor.
    • *
  • EINVAL:The request or arg argument is not valid for this device.
    • *
  • ENOMEM:If any resource allocation fails, ENOMEM is set as errno.
    • *
  • EAFNOSUPPORT:If socket created with PF_PACKET, SOCK_RAW is called with SIOCADDRT.
    • *
* *@par Dependency: *
  • termios.h
*@see tcsendbreak *@since Huawei LiteOS V100R001C00 */ int tcflow (int, int); /** *@ingroup termios * *@par Description: *The tcgetsid() function shall obtain the process group ID of the session for which the terminal *specified by fildes is the controlling terminal. * *@attention *
    *
  • None.
    • *
* *@retval #pid_t Upon successful completion, tcgetsid() shall return the process group ID of *the session associated with the terminal. Otherwise, a value of -1 shall be returned *and errno set to indicate the error. * *@par Errors *
    *
  • EBADF:The fd argument is not a valid open file descriptor.
    • *
  • EINVAL:The request or arg argument is not valid for this device.
    • *
  • ENOMEM:If any resource allocation fails, ENOMEM is set as errno.
    • *
  • EAFNOSUPPORT:If socket created with PF_PACKET, SOCK_RAW is called with SIOCADDRT.
    • *
* *@par Dependency: *
  • termios.h
*@see None *@since Huawei LiteOS V100R001C00 */ pid_t tcgetsid (int); #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) /** *@ingroup termios * *@par Description: *The cfmakeraw() sets the terminal to something like the "raw" mode of terminal driver: *input is available character by character, echoing is disabled, and all special processing *of terminal input and output characters is disabled. * *@attention *
    *
  • *The cfmakeraw() function is not a standard C Library Function. *
    • *
* *@retval #void None. * *@par Dependency: *
  • termios.h
* *@see cfgetispeed | cfsetispeed | cfsetospeed | tcgetattr * *@since Huawei LiteOS V100R001C00 */ void cfmakeraw(struct termios *); int cfsetspeed(struct termios *, speed_t); #endif #ifdef __cplusplus } #endif #endif