Initial commit of Pollcat library

example/command.c

@@ -0,0 +1,67 @@
+/*  Library exports
+ *
+ *  This file is part of the Pollcat Library.
+ *  Copyright (C) 2022 Expatria Technologies Inc.
+ *  Contact: Morgan Hughes <morgan@expatria.ca>
+ *
+ *  The Pollcat Library is free software: you can redistribute it and/or modify it under
+ *  the terms of the the GNU Lesser General Public License as published by the Free
+ *  Software Foundation; either version 3 of the License, or (at your option) any later
+ *  version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ *  PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ *  You should have received copies of the GNU General Public License and the GNU Lesser
+ *  General Public License along with the Pollcat Library.  If not, see
+ *  https://www.gnu.org/licenses/
+ *
+ *  vim:ts=4:noexpandtab
+ */
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <errno.h>
+#include <unistd.h>
+#include <termios.h>
+
+#include <pollcat.h>
+
+#include "terminal.h"
+
+
+char  command_char = '\01';
+int   command_mode = 0;
+
+void command_help (void)
+{
+	fprintf(stderr,
+	        "\r\nMenu\r\n"
+	        "Q - Quit\r\n"
+	        "X - Exit\r\n"
+	        "\r\n");
+}
+
+void command_recv (char c)
+{
+	switch ( tolower(c) )
+	{
+		case 'q':
+		case 'x':
+		case '\x11':
+		case '\x18':
+			pollcat_loop_exit();
+			return;
+
+		case '\01':
+			serial_write(&c, sizeof(c));
+			return;
+
+		default:
+			command_help();
+			return;
+	}
+}
+