diff options
Diffstat (limited to 'usrp/host/lib/usrp_basic_libusb1.cc')
| -rw-r--r-- | usrp/host/lib/usrp_basic_libusb1.cc | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/usrp/host/lib/usrp_basic_libusb1.cc b/usrp/host/lib/usrp_basic_libusb1.cc deleted file mode 100644 index 35009dc66..000000000 --- a/usrp/host/lib/usrp_basic_libusb1.cc +++ /dev/null @@ -1,145 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2003,2004,2008,2009 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 3, 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., 51 Franklin Street, - * Boston, MA 02110-1301, USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <usrp/usrp_basic.h> -#include "usrp/usrp_prims.h" -#include "usrp_interfaces.h" -#include "fpga_regs_common.h" -#include "fpga_regs_standard.h" -#include "fusb.h" -#include "db_boards.h" -#include <libusb-1.0/libusb.h> -#include <stdexcept> -#include <assert.h> -#include <math.h> -#include <ad9862.h> -#include <string.h> -#include <cstdio> - - -using namespace ad9862; - -#define NELEM(x) (sizeof (x) / sizeof (x[0])) - - -static const double POLLING_INTERVAL = 0.1; // seconds - - -////////////////////////////////////////////////////////////////// -// -// usrp_basic -// -//////////////////////////////////////////////////////////////// - - -// Given: -// CLKIN = 64 MHz -// CLKSEL pin = high -// -// These settings give us: -// CLKOUT1 = CLKIN = 64 MHz -// CLKOUT2 = CLKIN = 64 MHz -// ADC is clocked at 64 MHz -// DAC is clocked at 128 MHz - -static unsigned char common_regs[] = { - REG_GENERAL, 0, - REG_DLL, (DLL_DISABLE_INTERNAL_XTAL_OSC - | DLL_MULT_2X - | DLL_FAST), - REG_CLKOUT, CLKOUT2_EQ_DLL_OVER_2, - REG_AUX_ADC_CLK, AUX_ADC_CLK_CLK_OVER_4 -}; - -usrp_basic::usrp_basic (int which_board, - struct libusb_device_handle * - open_interface (struct libusb_device *dev), - const std::string fpga_filename, - const std::string firmware_filename) - : d_udh (0), d_ctx (0), - d_usb_data_rate (16000000), // SWAG, see below - d_bytes_per_poll ((int) (POLLING_INTERVAL * d_usb_data_rate)), - d_verbose (false), d_fpga_master_clock_freq(64000000), d_db(2) -{ - /* - * SWAG: Scientific Wild Ass Guess. - * - * d_usb_data_rate is used only to determine how often to poll for over- and under-runs. - * We defualt it to 1/2 of our best case. Classes derived from usrp_basic (e.g., - * usrp_standard_tx and usrp_standard_rx) call set_usb_data_rate() to tell us the - * actual rate. This doesn't change our throughput, that's determined by the signal - * processing code in the FPGA (which we know nothing about), and the system limits - * determined by libusb, fusb_*, and the underlying drivers. - */ - memset (d_fpga_shadows, 0, sizeof (d_fpga_shadows)); - - usrp_one_time_init (&d_ctx); - - if (!usrp_load_standard_bits (which_board, false, fpga_filename, firmware_filename, d_ctx)) - throw std::runtime_error ("usrp_basic/usrp_load_standard_bits"); - - struct libusb_device *dev = usrp_find_device (which_board, false, d_ctx); - if (dev == 0){ - fprintf (stderr, "usrp_basic: can't find usrp[%d]\n", which_board); - throw std::runtime_error ("usrp_basic/usrp_find_device"); - } - - if (!(usrp_usrp_p(dev) && usrp_hw_rev(dev) >= 1)){ - fprintf (stderr, "usrp_basic: sorry, this code only works with USRP revs >= 1\n"); - throw std::runtime_error ("usrp_basic/bad_rev"); - } - - if ((d_udh = open_interface (dev)) == 0) - throw std::runtime_error ("usrp_basic/open_interface"); - - // initialize registers that are common to rx and tx - - if (!usrp_9862_write_many_all (d_udh, common_regs, sizeof (common_regs))){ - fprintf (stderr, "usrp_basic: failed to init common AD9862 regs\n"); - throw std::runtime_error ("usrp_basic/init_9862"); - } - - _write_fpga_reg (FR_MODE, 0); // ensure we're in normal mode - _write_fpga_reg (FR_DEBUG_EN, 0); // disable debug outputs - -} - -usrp_basic::~usrp_basic () -{ - // shutdown_daughterboards(); // call from ~usrp_basic_{tx,rx} - - d_db.resize(0); // forget db shared ptrs - - if (d_udh) - libusb_close (d_udh); - - // Each object _should_ be running in its own context. If running in default - // context then leave the instance open as it may be shared. - - if (d_ctx != NULL) - libusb_exit (d_ctx); -} - |