src/jtag/drivers/libftdi_helper.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #ifndef OPENOCD_JTAG_DRIVERS_LIBFTDI_HELPER_H
   4 #define OPENOCD_JTAG_DRIVERS_LIBFTDI_HELPER_H
   5
   6 #include <ftdi.h>
   7
   8 #ifndef HAVE_LIBFTDI_TCIOFLUSH
   9 /* Backward compatibility with libftdi pre 1.5 */
  10
  11 static inline int ftdi_tciflush(struct ftdi_context *ftdi)
  12 {
  13         return ftdi_usb_purge_rx_buffer(ftdi);
  14 }
  15
  16 static inline int ftdi_tcoflush(struct ftdi_context *ftdi)
  17 {
  18         return ftdi_usb_purge_tx_buffer(ftdi);
  19 }
  20
  21 static inline int ftdi_tcioflush(struct ftdi_context *ftdi)
  22 {
  23         return ftdi_usb_purge_buffers(ftdi);
  24 }
  25 #endif
  26
  27 #endif /* OPENOCD_JTAG_DRIVERS_LIBFTDI_HELPER_H */