mirror of https://gerrit.osmocom.org/libusrp
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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* USRP - Universal Software Radio Peripheral
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*
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* Copyright (C) 2003,2004 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA
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*/
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#ifndef INCLUDED_FPGA_REV1_H
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#define INCLUDED_FPGA_REV1_H
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void fpga_set_reset (unsigned char v);
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void fpga_set_tx_enable (unsigned char v);
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void fpga_set_rx_enable (unsigned char v);
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void fpga_set_tx_reset (unsigned char v);
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void fpga_set_rx_reset (unsigned char v);
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unsigned char fpga_has_room_for_packet (void);
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unsigned char fpga_has_packet_avail (void);
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#if (UC_BOARD_HAS_FPGA)
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/*
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* return TRUE iff FPGA internal fifo has room for 512 bytes.
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*/
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#define fpga_has_room_for_packet() (GPIFREADYSTAT & bmFPGA_HAS_SPACE)
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/*
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* return TRUE iff FPGA internal fifo has at least 512 bytes available.
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*/
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#define fpga_has_packet_avail() (GPIFREADYSTAT & bmFPGA_PKT_AVAIL)
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#else /* no FPGA on board. fake it. */
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#define fpga_has_room_for_packet() TRUE
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#define fpga_has_packet_avail() TRUE
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#endif
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#define fpga_clear_flags() \
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do { \
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USRP_PE |= bmPE_FPGA_CLR_STATUS; \
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USRP_PE &= ~bmPE_FPGA_CLR_STATUS; \
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} while (0)
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#endif /* INCLUDED_FPGA_REV1_H */
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