[Uisp-dev] [bug #15189] uisp somtimes fails to work in Mac OS X due to a small bug in PL 2303 driver

[anonymous]

URL:
  <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=15189>

                 Summary: uisp somtimes fails to work in Mac OS X due to a
small bug in PL 2303 driver
                 Project: AVR In-System Programmer
            Submitted by: None
            Submitted on: Sun 12/11/05 at 20:24
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: address@hidden
             Open/Closed: Open

    _______________________________________________________

Details:

There seems to be a bug in the latest version of Prolific PL-2303 Mac OS X
driver (V1.1.0b1), causing uisp not to be able to connect to Stk500 at first
try.  Retrying helps.  This bug implements a retry around Stk500
initialisation.

--- uisp-20050207/src/Stk500.C  2004-12-28 15:54:11.000000000 +0100
+++ uisp.modified/src/Stk500.C  2005-12-11 21:20:15.000000000 +0100
@@ -625,8 +625,19 @@
 
   TByte num_ext_parms = 3;
 
+#define MAXTRY 5
   memcpy(buf, pSTK500, sizeof(pSTK500));
-  Send(buf, sizeof(pSTK500), sizeof(pSTK500_Reply));
+  for (int i = 0; i < MAXTRY; i++) {
+    try {
+      Send(buf, sizeof(pSTK500), sizeof(pSTK500_Reply));
+      break;
+    } catch (Error_Device& errDev) {
+      errDev.print();
+      if (i < MAXTRY)
+        Info(0,"Retrying %d more times.\n", MAXTRY - i - 1);
+    }
+  }
+#undef MAXTRY
   if (memcmp(buf, pSTK500_Reply, sizeof(pSTK500_Reply)) != 0) {
     throw Error_Device ("[VP 1] Device is not responding correctly."); }
 





    _______________________________________________________

Carbon-Copy List:

CC Address                          | Comment
------------------------------------+-----------------------------
pekka --DOT-- nikander --AT-- iki --DOT-- fi | Originator Email




    _______________________________________________________

Reply to this item at:

  <http://savannah.nongnu.org/bugs/?func=detailitem&item_id=15189>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.nongnu.org/