diff options
Diffstat (limited to 'gnuradio-core/src/lib/io/sdr_1000.cc')
-rw-r--r-- | gnuradio-core/src/lib/io/sdr_1000.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gnuradio-core/src/lib/io/sdr_1000.cc b/gnuradio-core/src/lib/io/sdr_1000.cc new file mode 100644 index 0000000000..1cb9b9afb9 --- /dev/null +++ b/gnuradio-core/src/lib/io/sdr_1000.cc @@ -0,0 +1,65 @@ +/* -*- c++ -*- */ +/* + * Copyright 2003 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio 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 2, or (at your option) + * any later version. + * + * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#include <sdr_1000.h> +#include <ppio.h> + +sdr_1000_base::sdr_1000_base (int which_pp) +{ + d_ppio = make_ppio (which_pp); + d_shadow[0] = 0; + d_shadow[1] = 0; + d_shadow[2] = 0; + d_shadow[3] = 0; + reset (); +} + +sdr_1000_base::~sdr_1000_base () +{ +} + +void +sdr_1000_base::reset () +{ + d_ppio->lock (); + d_ppio->write_control (0x0F); + d_ppio->unlock (); + write_latch (L_EXT, 0x00, 0xff); + write_latch (L_BAND, 0x00, 0xff); + write_latch (L_DDS0, 0x80, 0xff); // hold DDS in reset + write_latch (L_DDS1, 0x00, 0xff); +} + + +void +sdr_1000_base::write_latch (int which, int value, int mask) +{ + if (!(0 <= which && which <= 3)) + return; + + d_ppio->lock (); + d_shadow[which] = (d_shadow[which] & ~mask) | (value & mask); + d_ppio->write_data (d_shadow[which]); + d_ppio->write_control (0x0F ^ (1 << which)); + d_ppio->write_control (0x0F); + d_ppio->unlock (); +} |