(nuttx) branch master updated: sim: disable sim uart output processing

[xiaoxiang]

This is an automated email from the ASF dual-hosted git repository.

xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new 73d9a1b4a2 sim: disable sim uart output processing
73d9a1b4a2 is described below

commit 73d9a1b4a2c594b440cf24f419353c5f78ad2ceb
Author: yinshengkai <yinsheng...@xiaomi.com>
AuthorDate: Mon Apr 29 15:51:47 2024 +0800

    sim: disable sim uart output processing
    
    Using the host serial port to send data in sim will convert \r to \r\n
    
    Signed-off-by: yinshengkai <yinsheng...@xiaomi.com>
---
 arch/sim/src/nuttx-names.in           |  1 +
 arch/sim/src/sim/posix/sim_hostuart.c | 15 ++++++++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/arch/sim/src/nuttx-names.in b/arch/sim/src/nuttx-names.in
index 08bb3a7981..d3361cb958 100644
--- a/arch/sim/src/nuttx-names.in
+++ b/arch/sim/src/nuttx-names.in
@@ -38,6 +38,7 @@ NXSYMBOLS(atexit)
 NXSYMBOLS(backtrace)
 NXSYMBOLS(bind)
 NXSYMBOLS(calloc)
+NXSYMBOLS(cfmakeraw)
 NXSYMBOLS(chmod)
 NXSYMBOLS(chdir)
 NXSYMBOLS(chown)
diff --git a/arch/sim/src/sim/posix/sim_hostuart.c 
b/arch/sim/src/sim/posix/sim_hostuart.c
index 33afe8c9af..3421e92b9e 100644
--- a/arch/sim/src/sim/posix/sim_hostuart.c
+++ b/arch/sim/src/sim/posix/sim_hostuart.c
@@ -55,11 +55,16 @@ static void setrawmode(int fd)
 
   /* Switch to raw mode */
 
-  raw.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR |
-                   ICRNL | IXON);
-  raw.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
-  raw.c_cflag &= ~(CSIZE | PARENB);
-  raw.c_cflag |= CS8;
+  cfmakeraw(&raw);
+
+  /* Disable output processing, We need to exclude stdout to prevent the
+   * terminal configuration from being changed after an abnormal exit.
+   */
+
+  if (fd == 0)
+    {
+      raw.c_oflag |= OPOST;
+    }
 
   tcsetattr(fd, TCSANOW, &raw);
 }