commit c698d567f34e466b03f0fefbf21b23da2345b17f
from: Sven M. Hallberg <pesco@khjk.org>
date: Tue Jan 10 19:50:03 2023 UTC

use cfmakeraw when setting up the serial line

Somehow missed that function at first. This makes serial I/O work on Linux.

commit - 4c0960ae086413f5348da9e7392cb2ca83605d1f
commit + c698d567f34e466b03f0fefbf21b23da2345b17f
blob - 9f8d316767c254a3189ddd9ff497dcb8645158a5
blob + a781da6248c75e1d47604983174c0f69336e53ca
--- README
+++ README
@@ -19,7 +19,7 @@ BUILDING
      Run make.
 
      The program is designed for a Unix environment, specifically OpenBSD.
-     Patches that port it to other platforms are welcome.
+     It has also been tested on Debian GNU/Linux.
 
 SEE ALSO
      MC5000 dev kit	https://github.com/rickp/MC5000_DevKit
blob - bd78fb130c3d5a2fb0f3c64d73c53c8f146e91a5
blob + f99780563b9048b69962437a917ed43e83d53944
--- mc5000.c
+++ mc5000.c
@@ -204,11 +204,9 @@ main(int argc, char *argv[])
 		if (tcgetattr(fileno(devf), &t) != 0)
 			err(1, "tcgetattr");
 		cfsetspeed(&t, B19200);		/* 19200 Baud */
-		t.c_iflag = 0;			/* raw input */
-		t.c_oflag = 0;			/* raw output */
-		t.c_cflag = CREAD|CS8;		/* 8N1, no flow control */
+		cfmakeraw(&t);			/* raw i/o mode */
+		t.c_cflag |= CREAD|CS8;		/* 8N1, no flow control */
 		t.c_cflag |= CLOCAL;		/* ignore "modem" status */
-		t.c_lflag = 0;			/* no echo, line canon. etc. */
 		t.c_cc[VMIN] = 0;		/* stop read() if... */
 		t.c_cc[VTIME] = 1;		/* ...no input after 100 ms */
 		if (tcsetattr(fileno(devf), TCSAFLUSH, &t) != 0)