diff options
Diffstat (limited to 'firmware/fx2/b100/fpga_rev2.h')
-rw-r--r-- | firmware/fx2/b100/fpga_rev2.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/firmware/fx2/b100/fpga_rev2.h b/firmware/fx2/b100/fpga_rev2.h new file mode 100644 index 000000000..0773d1cd7 --- /dev/null +++ b/firmware/fx2/b100/fpga_rev2.h @@ -0,0 +1,44 @@ +/* + * USRP - Universal Software Radio Peripheral + * + * Copyright (C) 2003,2004 Free Software Foundation, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA + */ + +#ifndef INCLUDED_FPGA_REV1_H +#define INCLUDED_FPGA_REV1_H + +/* + * return TRUE if FPGA internal fifo has room for a single packet + */ +#define fpga_has_room_for_data_packet() (!(GPIFREADYSTAT & bmDATA_FIFO_FULL)) +#define fpga_has_room_for_ctrl_packet() (!(GPIFREADYSTAT & bmCTRL_FIFO_FULL)) + +/* + * return TRUE if FPGA internal fifo has at least one packet available + */ +#define fpga_has_data_packet_avail() (!(GPIFREADYSTAT & bmDATA_EMPTY)) +#define fpga_has_ctrl_packet_avail() (!(GPIFREADYSTAT & bmCTRL_EMPTY)) + +#define fx2_has_ctrl_packet_avail() (!(EP24FIFOFLGS & EP4FIFOEMPTY)) +#define fx2_has_data_packet_avail() (!(EP24FIFOFLGS & EP2FIFOEMPTY)) + +#define fx2_has_room_for_ctrl_packet() (!(EP8CS & bmEPFULL)) +#define fx2_has_room_for_data_packet() (!(EP6CS & bmEPFULL)) + +#define fx2_gpif_is_idle() (GPIFTRIG & bmGPIF_IDLE) + +#endif /* INCLUDED_FPGA_REV1_H */ |