From 773ebb6bba3334b6339d9df9c7f541adaabb82c0 Mon Sep 17 00:00:00 2001
From: mlu <mlu@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Sat, 25 Apr 2009 00:58:49 +0000
Subject: [PATCH] Fix ft2232 TX buffer overflow
git-svn-id: svn://svn.berlios.de/openocd/trunk@1527 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
src/jtag/ft2232.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c
index 9bcd16601..a98546534 100644
--- a/src/jtag/ft2232.c
+++ b/src/jtag/ft2232.c
@@ -1589,6 +1589,13 @@ static int ft2232_execute_queue()
{
if (ft2232_execute_command(cmd) != ERROR_OK)
retval = ERROR_JTAG_QUEUE_FAILED;
+ /* Start reading input before FT2232 TX buffer fills up */
+ if (ft2232_expect_read > 280)
+ {
+ if (ft2232_send_and_recv(first_unsent, cmd) != ERROR_OK)
+ retval = ERROR_JTAG_QUEUE_FAILED;
+ first_unsent = cmd;
+ }
cmd = cmd->next;
}
--
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