sconsole

commit 6657135a1dbb4c7471456ebef3ac1217ce7db6d3
parent ef13e4cd1beac8e49052a7a711235733b5f35226
Author: Brian Swetland <swetland@frotz.net>
Date:   Fri, 13 Dec 2013 01:01:19 -0800

add -c for nl-to-cr remap mode

Sometimes the remote will only accept a CR.

Diffstat:
M
sconsole.c
 | 
12
+++++++++++-

1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/sconsole.c b/sconsole.c
@@ -219,6 +219,7 @@ int main(int argc, char *argv[])
 	const char *device = "/dev/ttyUSB0";
 	const char *logfile = "console.log";
 	int fd, n;
+	int map_nl_to_cr = 0;
 	int escape = 0;
 	int logfd = -1;
 	unsigned char ESC = 27;
@@ -245,6 +246,10 @@ int main(int argc, char *argv[])
 				logfile = &argv[1][2];
 			logfd = open(logfile, O_CREAT | O_WRONLY, 0644);
 			break;
+		case 'c':
+			/* carriage return mode -- map \n to \r */
+			map_nl_to_cr = 1;
+			break;
 		default:
 			fprintf(stderr, "unknown option %s\n", argv[1]);
 			return 1;
@@ -301,7 +306,12 @@ int main(int argc, char *argv[])
 					if (x == 27) {
 						escape = 1;
 					} else {
-						write(fd, &x, 1);
+						if ((x == '\n') && map_nl_to_cr) {
+							x = '\r';
+							write(fd, &x, 1);
+						} else {
+							write(fd, &x, 1);
+						}
 					}
 					break;
 				case 1: