ao-bringup: Get turnon_telemini working

[fw/altos] / ao-bringup / test-igniter

diff --git a/ao-bringup/test-igniter b/ao-bringup/test-igniter
index 72dd7723a0e1a291b288272e4a882eae84084c55..454f63289e859cf245f256c4ec0c07de821f162c 100755 (executable)
--- a/ao-bringup/test-igniter
+++ b/ao-bringup/test-igniter
@@ -98,10 +98,32 @@ do_igniter(file f, string igniter) {
        return true;
 }
 
+file
+open_tty(string name)
+{
+       int i = 0;
+       for (;;) {
+               try {
+                       return open (name, "r+");
+               } catch open_error(string error, File::error_type error, string name) {
+                       if (error == File::error_type.BUSY) {
+                               if (i < 30) {
+                                       printf ("waiting for %s to be usable\n", name);
+                                       sleep(2000);
+                                       continue;
+                               }
+                       } else {
+                               printf ("%s: %s\n", name, error);
+                               exit(1);
+                       }
+               }
+       }
+}
+
 void main () {
        string  name = argv[1];
        string[dim(argv)-2]     igniters = { [i] = argv[i+2] };
-       file    f = open(name, "r+");
+       file    f = open_tty(name);
        bool ret = true;
 
        for (int i = 0; i < dim(igniters); i++) {