diff options
Diffstat (limited to 'firmware/fx2/usrp1/fpga_rev2.h')
-rw-r--r-- | firmware/fx2/usrp1/fpga_rev2.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/firmware/fx2/usrp1/fpga_rev2.h b/firmware/fx2/usrp1/fpga_rev2.h new file mode 100644 index 000000000..54ec3f9fa --- /dev/null +++ b/firmware/fx2/usrp1/fpga_rev2.h @@ -0,0 +1,58 @@ +/* + * 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 */ |