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-rw-r--r--contrib/libftdi/README7
-rw-r--r--contrib/libftdi/libftdi-0.12_win32.patch20
2 files changed, 27 insertions, 0 deletions
diff --git a/contrib/libftdi/README b/contrib/libftdi/README
new file mode 100644
index 00000000..475c4e55
--- /dev/null
+++ b/contrib/libftdi/README
@@ -0,0 +1,7 @@
+libftdi can be built to work under win32 (cygwin/mingw) after applying the patch in this directory.
+
+The issue is caused by windows requiring usb_set_configuration to be called before the usb_claim_interface.
+
+Spen
+spen@spen-soft.co.uk
+
diff --git a/contrib/libftdi/libftdi-0.12_win32.patch b/contrib/libftdi/libftdi-0.12_win32.patch
new file mode 100644
index 00000000..426523c7
--- /dev/null
+++ b/contrib/libftdi/libftdi-0.12_win32.patch
@@ -0,0 +1,20 @@
+--- src/ftdi.c.orig Wed Apr 16 16:24:30 2008
++++ src/ftdi.c Thu May 01 20:19:46 2008
+@@ -358,6 +358,17 @@
+ if (usb_detach_kernel_driver_np(ftdi->usb_dev, ftdi->interface) != 0 && errno != ENODATA)
+ detach_errno = errno;
+ #endif
++
++#if defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
++ if (usb_set_configuration(ftdi->usb_dev, 1) != 0) {
++ usb_close (ftdi->usb_dev);
++ if (detach_errno == EPERM) {
++ ftdi_error_return(-8, "inappropriate permissions on device!");
++ } else {
++ ftdi_error_return(-5, "unable to set configuration");
++ }
++ }
++#endif
+
+ if (usb_claim_interface(ftdi->usb_dev, ftdi->interface) != 0) {
+ usb_close (ftdi->usb_dev);