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/*
* 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
void fpga_set_reset (unsigned char v);
void fpga_set_tx_enable (unsigned char v);
void fpga_set_rx_enable (unsigned char v);
void fpga_set_tx_reset (unsigned char v);
void fpga_set_rx_reset (unsigned char v);
unsigned char fpga_has_room_for_packet (void);
unsigned char fpga_has_packet_avail (void);
#if (UC_BOARD_HAS_FPGA)
/*
* return TRUE iff FPGA internal fifo has room for 512 bytes.
*/
#define fpga_has_room_for_packet() (GPIFREADYSTAT & bmFPGA_HAS_SPACE)
/*
* return TRUE iff FPGA internal fifo has at least 512 bytes available.
*/
#define fpga_has_packet_avail() (GPIFREADYSTAT & bmFPGA_PKT_AVAIL)
#else /* no FPGA on board. fake it. */
#define fpga_has_room_for_packet() TRUE
#define fpga_has_packet_avail() TRUE
#endif
#define fpga_clear_flags() \
do { \
USRP_PE |= bmPE_FPGA_CLR_STATUS; \
USRP_PE &= ~bmPE_FPGA_CLR_STATUS; \
} while (0)
#endif /* INCLUDED_FPGA_REV1_H */
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