apache/nuttx-apps
1
0
Fork 0
mirror of https://github.com/apache/nuttx-apps.git synced 2025-10-21 14:42:20 +08:00
Code Issues Packages Projects Releases Wiki Activity

apps/nshlib: Change the way SLCD is supported. Works better

Browse Source
This commit is contained in:
Alan Carvalho de Assis
2018-11-30 18:05:18 -06:00
committed by Gregory Nutt
parent 2b8685b63f
commit 368f14852e
3 changed files with 35 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
nshlib/nsh_slcd.c
View File

@@ -70,19 +70,21 @@ static int nsh_clone_console(FAR struct console_stdio_s *pstate)
/* Close stdin */
(void)close(0);
(void)fclose(stdout);
(void)fclose(stderr);
/* Open the console */
fd = open("/dev/console", O_RDONLY);
fd = open(CONFIG_NSH_SLCDCONDEV, O_WRONLY);
if (fd < 0)
{
return -ENODEV;
}
/* Associate /dev/console as stdin */
/* Associate /dev/slcd0 to stdout/stderr */
(void)dup2(fd, 0);
(void)dup2(fd, 1);
(void)dup2(fd, 2);
/* Close the console device that we just opened */
@@ -91,13 +93,8 @@ static int nsh_clone_console(FAR struct console_stdio_s *pstate)
close(fd);
}
/* Use /dev/console as console input */
pstate->cn_confd = 0;
/* Create a standard C stream on the console device */
pstate->cn_constream = fdopen(pstate->cn_confd, "r+");
(void)fdopen(1, "a");
(void)fdopen(2, "a");
return OK;
}
@@ -165,6 +162,8 @@ int nsh_consolemain(int argc, char *argv[])
/* Execute the session */
(void)nsh_session(pstate);
return OK;
}
#endif /* HAVE_SLCD_CONSOLE */