Changeset 5995

Timestamp:

11/01/10 03:59:22 (3 years ago)

Author:

werner

Message:

spool/spool.c: allow overriding of serial port with environment variable PORT

File:

• developers/werner/cncmap/spool/spool.c (modified) (4 diffs)

developers/werner/cncmap/spool/spool.c

@@ -2 +2 @@
  * spool.c - Send a file to a Roland MDX series CNC mill
  *
- * Written 2009 by Werner Almesberger
- * Copyright 2009 Werner Almesberger
+ * Written 2009, 2010 by Werner Almesberger
+ * Copyright 2009, 2010 Werner Almesberger
  *
  * This program is free software; you can redistribute it and/or modify
@@ -18 +18 @@
 
 
+#define DEFAULT_PORT    "/dev/ttyS0"
 #define BUF_SIZE        8192
 
@@ -33 +34 @@
         char buf[BUF_SIZE];
         size_t n;
+        char *port;
 
         switch (argc) {
@@ -48 +50 @@
                 usage(*argv);
         }
-        serial_open("/dev/ttyS0");
+        port = getenv("PORT");
+        serial_open(port ? port : DEFAULT_PORT);
         while (1) {
                 n = fread(buf, 1, BUF_SIZE, file);