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Combine cfset[o|i]speed to cfsetspeed; combine cfget[o|i]speed for cfgetspeed

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4975 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-07-24 22:56:36 +00:00
parent 0ccd2cdb66
commit 1c7794b97d
14 changed files with 117 additions and 243 deletions
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70
include/termios.h
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@@ -138,7 +138,15 @@
#define VSUSP 8 /* Bit 8: SUSP character */
#define NCCS 9 /* Bit 9: Size of the array c_cc for control characters */
/* Baud Rate Selection. */
/* Baud Rate Selection. These are instances of type speed_t. Values of 38400
* and below are specified by POSIX; values above 38400 are sometimes referred
* to as extended values and most values appear in most termios.h implementations.
*
* NOTE that is NuttX that the encoding of the speed_t values is simply the
* value of the baud itself. So this opens a window for non-portable abuse
* of the speed-related interfaces: The defined values should be used where-
* ever possible for reasons of portability.
*/
#define B0 0 /* Hang up */
#define B50 50 /* 50 baud */
@@ -236,17 +244,55 @@ extern "C" {
#define EXTERN extern
#endif
EXTERN speed_t cfgetispeed(FAR const struct termios *);
EXTERN speed_t cfgetospeed(FAR const struct termios *);
EXTERN int cfsetispeed(FAR struct termios *, speed_t);
EXTERN int cfsetospeed(FAR struct termios *, speed_t);
EXTERN int tcdrain(int);
EXTERN int tcflow(int, int);
EXTERN int tcflush(int, int);
EXTERN int tcgetattr(int, FAR struct termios *);
EXTERN pid_t tcgetsid(int);
EXTERN int tcsendbreak(int, int);
EXTERN int tcsetattr(int, int, FAR const struct termios *);
/* The cfgetspeed() function is a non-POSIX function will extract the baud
* from the termios structure to which the termiosp argument points. NuttX
* does not control input/output baud independently. Both must be the same.
* The POSIX standard interfaces, cfisetispeed() and cfisetospeed() are
* supported by simply defining them to be cfsetspeed().
*/
EXTERN speed_t cfgetspeed(FAR const struct termios *termiosp);
#define cfgetispeed(termiosp) cfgetspeed(termiosp)
#define cfgetospeed(termiosp) cfgetspeed(termiosp)
/* The cfsetspeed() function is a non-POSIX function that sets the baud
* stored in the structure pointed to by termiosp to speed. NuttX does
* not control input/output baud independently. Both must be the same.
* The POSIX standard interfaces, cfigetispeed() and cfigetospeed() are
* supported by simply defining them to be cfsetspeed().
*/
EXTERN int cfsetspeed(FAR struct termios *termiosp, speed_t speed);
#define cfsetispeed(termiosp,speed) cfsetspeed(termiosp,speed)
#define cfsetospeed(termiosp,speed) cfsetspeed(termiosp,speed)
/* Wait for transmission of output */
EXTERN int tcdrain(int fd);
/* Suspend or restart the transmission or reception of data */
EXTERN int tcflow(int fd, int action);
/* Flush non-transmitted output data, non-read input data or both */
EXTERN int tcflush(int fd, int cmd);
/* Get the parameters associated with the terminal */
EXTERN int tcgetattr(int fd, FAR struct termios *termiosp);
/* Get process group ID for session leader for controlling terminal */
EXTERN pid_t tcgetsid(int fd);
/* Send a "break" for a specific duration */
EXTERN int tcsendbreak(int fd, int duration);
/* Set the parameters associated with the terminal */
EXTERN int tcsetattr(int fd, int options, FAR const struct termios *termiosp);
#undef EXTERN
#ifdef __cplusplus