X-Git-Url: https://sigrok.org/gitweb/?p=libsigrok.git;a=blobdiff_plain;f=src%2Flibsigrok-internal.h;h=a2350e02ddf3aed2c48c89bcab2ac8eb8f59dfae;hp=4e4143009a9c506f2ab34ab58583a3c784bce296;hb=713a3f352496f928b9911bfdc7e87a67134113df;hpb=f478c3e613ac047572cfad9c5dcde965050b17fe

diff --git a/src/libsigrok-internal.h b/src/libsigrok-internal.h
index 4e414300..a2350e02 100644
--- a/src/libsigrok-internal.h
+++ b/src/libsigrok-internal.h
@@ -32,6 +32,9 @@
 #ifdef HAVE_LIBUSB_1_0
 #include <libusb.h>
 #endif
+#ifdef HAVE_LIBFTDI
+#include <ftdi.h>
+#endif
 #include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -981,6 +984,21 @@ static inline void write_dblle_inc(uint8_t **p, double x)
 	libusb_handle_events_timeout(ctx, tv)
 #endif
 
+/*
+ * Convenience for FTDI library version dependency.
+ * - Version 1.5 introduced ftdi_tciflush(), ftdi_tcoflush(), and
+ *   ftdi_tcioflush() all within the same commit, and deprecated
+ *   ftdi_usb_purge_buffers() which suffered from inverse semantics.
+ *   The API is drop-in compatible (arguments count and data types are
+ *   identical). The libsigrok source code always flushes RX and TX at
+ *   the same time, never individually.
+ */
+#if defined HAVE_FTDI_TCIOFLUSH && HAVE_FTDI_TCIOFLUSH
+#  define PURGE_FTDI_BOTH ftdi_tcioflush
+#else
+#  define PURGE_FTDI_BOTH ftdi_usb_purge_buffers
+#endif
+
 /* Static definitions of structs ending with an all-zero entry are a
  * problem when compiling with -Wmissing-field-initializers: GCC
  * suppresses the warning only with { 0 }, clang wants { } */
@@ -2064,7 +2082,9 @@ SR_PRIV gboolean usb_match_manuf_prod(libusb_device *dev,
 
 /** Binary value type */
 enum binary_value_type {
-	BVT_UINT8 = 0,
+	BVT_INVALID,
+
+	BVT_UINT8,
 	BVT_BE_UINT8 = BVT_UINT8,
 	BVT_LE_UINT8 = BVT_UINT8,