From 14ba5b7666dd349b24b6ac1040101431357d6cb1 Mon Sep 17 00:00:00 2001
From: Rene Liebscher <r.liebscher@gmx.de>
Date: Wed, 15 Aug 2012 17:31:11 +0000
Subject: [PATCH] bug #30559 Ft232 bit-bang support, see comment #30 *
ft245r.c: added semaphore workaround for MacOS X, added
pthread_testcancel in reader thread
* configure.ac: added check for TYPE_232H in libftdi (not in libftdi < 0.20)
* avrftdi.c: do not use TYPE_232H if not declared
git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@1101 81a1dc3b-b13d-400b-aceb-764788c761c2
---
avrdude/ChangeLog | 9 +++++++++
avrdude/avrftdi.c | 2 ++
avrdude/configure.ac | 6 ++++++
avrdude/ft245r.c | 13 +++++++++++++
4 files changed, 30 insertions(+)
diff --git a/avrdude/ChangeLog b/avrdude/ChangeLog
index d9b66c44..29cba157 100644
--- a/avrdude/ChangeLog
+++ b/avrdude/ChangeLog
@@ -1,3 +1,12 @@
+2012-08-15 Rene Liebscher <R.Liebscher@gmx.de>
+
+ bug #30559 Ft232 bit-bang support, see comment #30
+ * ft245r.c: added semaphore workaround for MacOS X,
+ added pthread_testcancel in reader thread
+
+ * configure.ac: added check for TYPE_232H in libftdi (not in libftdi < 0.20)
+ * avrftdi.c: do not use TYPE_232H if not declared
+
2012-08-13 Hannes Weisbach <hannes_weisbach@gmx.net>
* avrftdi.c: fixes pin_limit for different FTDI devices (there was a mixup
diff --git a/avrdude/avrftdi.c b/avrdude/avrftdi.c
index 67f06f98..7546ed85 100644
--- a/avrdude/avrftdi.c
+++ b/avrdude/avrftdi.c
@@ -774,7 +774,9 @@ static int avrftdi_open(PROGRAMMER * pgm, char *port)
pdata->pin_limit = 11;
break;
case TYPE_2232H:
+#ifdef HAVE_LIBFTDI_TYPE_232H
case TYPE_232H:
+#endif
pdata->pin_limit = 15;
break;
case TYPE_4232H:
diff --git a/avrdude/configure.ac b/avrdude/configure.ac
index 7d7c96ab..43f6dcd8 100644
--- a/avrdude/configure.ac
+++ b/avrdude/configure.ac
@@ -147,10 +147,16 @@ fi
AC_SUBST(LIBUSB_1_0, $LIBUSB_1_0)
AH_TEMPLATE([HAVE_LIBFTDI],
[Define if FTDI support is enabled via libftdi])
+AH_TEMPLATE([HAVE_LIBFTDI_TYPE_232H],
+ [Define if libftdi supports FT232H, libftdi version >= 0.20])
AC_CHECK_LIB([ftdi], [ftdi_usb_get_strings], [have_libftdi=yes], [], [-lusb])
if test x$have_libftdi = xyes; then
LIBFTDI="-lftdi -lusb"
AC_DEFINE([HAVE_LIBFTDI])
+ AC_CHECK_DECL(TYPE_232H,[have_libftdi_FT232H=yes], [], [[#include <ftdi.h>]])
+ if test x$have_libftdi_FT232H = xyes; then
+ AC_DEFINE([HAVE_LIBFTDI_TYPE_232H])
+ fi
fi
AC_SUBST(LIBFTDI, $LIBFTDI)
AC_CHECK_HEADERS([pthread.h])
diff --git a/avrdude/ft245r.c b/avrdude/ft245r.c
index fa4f8f32..e6033a18 100644
--- a/avrdude/ft245r.c
+++ b/avrdude/ft245r.c
@@ -73,7 +73,19 @@
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
+
+#ifdef __APPLE__
+/* Mac OS X defines sem_init but actually does not implement them */
+#include <dispatch/dispatch.h>
+
+typedef dispatch_semaphore_t sem_t;
+
+#define sem_init(psem,x,val) *psem = dispatch_semaphore_create(val)
+#define sem_post(psem) dispatch_semaphore_signal(*psem)
+#define sem_wait(psem) dispatch_semaphore_wait(*psem, DISPATCH_TIME_FOREVER)
+#else
#include <semaphore.h>
+#endif
#ifdef HAVE_LIBFTDI
@@ -130,6 +142,7 @@ static void *reader (void *arg) {
int br, i;
while (1) {
+ pthread_testcancel();
br = ftdi_read_data (handle, buf, sizeof(buf));
for (i=0; i<br; i++)
add_to_buf (buf[i]);