bool set_gain(double gain);
%rename(_real_set_center_freq) set_center_freq;
+ bool set_lo_offset(double frequency);
bool set_center_freq(double frequency, usrp2::tune_result *r);
bool set_decim(int decimation_factor);
bool set_scale_iq(int scale_i, int scale_q);
bool set_gain(double gain);
%rename(_real_set_center_freq) set_center_freq;
+ bool set_lo_offset(double frequency);
bool set_center_freq(double frequency, usrp2::tune_result *r);
bool set_interp(int interp_factor);
bool set_scale_iq(int scale_i, int scale_q);
return d_u2->set_tx_gain(gain);
}
+bool
+usrp2_sink_base::set_lo_offset(double frequency)
+{
+ return d_u2->set_tx_lo_offset(frequency);
+}
+
bool
usrp2_sink_base::set_center_freq(double frequency, usrp2::tune_result *tr)
{
*/
bool set_gain(double gain);
+ /*!
+ * \brief Set transmitter LO offset frequency
+ */
+ bool set_lo_offset(double frequency);
+
/*!
* \brief Set transmitter center frequency
*/
return d_u2->set_rx_gain(gain);
}
+bool
+usrp2_source_base::set_lo_offset(double frequency)
+{
+ return d_u2->set_rx_lo_offset(frequency);
+}
+
bool
usrp2_source_base::set_center_freq(double frequency, usrp2::tune_result *tr)
{
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
*/
bool set_gain(double gain);
+ /*!
+ * \brief Set receive LO offset frequency
+ */
+ bool set_lo_offset(double frequency);
+
/*!
* \brief Set receiver center frequency
*/
#!/usr/bin/env python
#
-# Copyright 2004,2005,2007,2008 Free Software Foundation, Inc.
+# Copyright 2004,2005,2007,2008,2009 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
self._u.set_gain(options.gain)
# Set receive frequency
+ if options.lo_offset is not None:
+ self._u.set_lo_offset(options.lo_offset)
+
tr = self._u.set_center_freq(options.freq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
help="number of samples to collect [default=+inf]")
parser.add_option("-v", "--verbose", action="store_true", default=False,
help="verbose output")
+ parser.add_option("", "--lo-offset", type="eng_float", default=None,
+ help="set daughterboard LO offset to OFFSET [default=hw default]")
+
(options, args) = parser.parse_args ()
if len(args) != 1:
parser.print_help()
self._u.set_gain(options.gain)
# Tune the USRP2 FPGA and daughterboard to the requested center frequency
+ # and LO offset
+ if options.lo_offset is not None:
+ self._u.set_lo_offset(options.lo_offset)
+
tr = self._u.set_center_freq(options.tx_freq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
help="set waveform amplitude to AMPLITUDE (0-1.0) [default=%default]", metavar="AMPL")
parser.add_option("--offset", type="eng_float", default=0,
help="set waveform offset to OFFSET [default=%default]")
+ parser.add_option("--lo-offset", type="eng_float", default=None,
+ help="set daughterboard LO offset to OFFSET [default=hw default]")
parser.add_option("--sine", dest="type", action="store_const", const=gr.GR_SIN_WAVE,
help="generate a complex sinusoid [default]", default=gr.GR_SIN_WAVE)
parser.add_option("--const", dest="type", action="store_const", const=gr.GR_CONST_WAVE,
/* -*- c++ -*- */
/*
- * Copyright 2007,2008 Free Software Foundation, Inc.
+ * Copyright 2007,2008,2009 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
return true;
}
+static bool
+set_lo_offset_cmd(const op_freq_t *p)
+{
+ u2_fxpt_freq_t f = u2_fxpt_freq_from_hilo(p->freq_hi, p->freq_lo);
+ if (p->opcode == OP_SET_TX_LO_OFFSET)
+ return db_set_lo_offset(tx_dboard, f);
+ else
+ return db_set_lo_offset(rx_dboard, f);
+}
+
static size_t
generic_reply(const op_generic_t *p,
void *reply_payload, size_t reply_payload_space,
op_generic_t *r = (op_generic_t *) reply_payload;
if (reply_payload_space < sizeof(*r))
return 0; // no room
-
+
r->opcode = p->opcode | OP_REPLY_BIT;
r->len = sizeof(*r);
r->rid = p->rid;
r->ok = ok;
-
+
return r->len;
}
op_generic_t *r = (op_generic_t *) reply_payload;
if (reply_payload_space < sizeof(*r))
return 0; // no room
-
+
r->opcode = OP_EOP;
r->len = sizeof(*r);
r->rid = 0;
r->ok = 0;
-
+
return r->len;
}
unsigned char reply[sizeof(u2_eth_packet_t) + 4 * sizeof(u2_subpkt_t)] _AL4;
unsigned char *reply_payload = &reply[sizeof(u2_eth_packet_t)];
int reply_payload_space = sizeof(reply) - sizeof(u2_eth_packet_t);
-
+
// initialize reply
memset(reply, 0, sizeof(reply));
set_reply_hdr((u2_eth_packet_t *) reply, pkt);
-
+
// point to beginning of payload (subpackets)
unsigned char *payload = ((unsigned char *) pkt) + sizeof(u2_eth_packet_t);
int payload_len = len - sizeof(u2_eth_packet_t);
-
+
size_t subpktlen = 0;
while (payload_len >= sizeof(op_generic_t)){
poke_cmd((op_poke_t *)payload));
break;
+ case OP_SET_TX_LO_OFFSET:
+ case OP_SET_RX_LO_OFFSET:
+ subpktlen = generic_reply(gp, reply_payload, reply_payload_space,
+ set_lo_offset_cmd((op_freq_t *)payload));
+ break;
+
+ case OP_RESET_DB:
+ db_init();
+ subpktlen = generic_reply(gp, reply_payload, reply_payload_space, true);
+ break;
+
default:
printf("app_common_v2: unhandled opcode = %d\n", gp->opcode);
break;
/* -*- c++ -*- */
/*
- * Copyright 2007,2008 Free Software Foundation, Inc.
+ * Copyright 2007,2008,2009 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
#define OP_PEEK_REPLY (OP_PEEK | OP_REPLY_BIT)
#define OP_POKE 12
#define OP_POKE_REPLY (OP_POKE | OP_REPLY_BIT)
+#define OP_SET_TX_LO_OFFSET 13
+#define OP_SET_TX_LO_OFFSET_REPLY (OP_SET_TX_LO_OFFSET | OP_REPLY_BIT)
+#define OP_SET_RX_LO_OFFSET 14
+#define OP_SET_RX_LO_OFFSET_REPLY (OP_SET_RX_LO_OFFSET | OP_REPLY_BIT)
+#define OP_RESET_DB 15
+#define OP_RESET_DB_REPLY (OP_RESET_DB | OP_REPLY_BIT)
/*
* All subpackets are a multiple of 4 bytes long.
// Words follow here
} _AL4 op_poke_t;
+/*
+ * Common structure for commands with a single frequency param
+ * (e.g., set_*_lo_offset, set_*_bw)
+ */
+typedef struct {
+ uint8_t opcode;
+ uint8_t len;
+ uint8_t rid;
+ uint8_t mbz;
+ uint32_t freq_hi; //< high 32-bits of 64-bit fxpt_freq (Q44.20)
+ uint32_t freq_lo; //< low 32-bits of 64-bit fxpt_freq (Q44.20)
+} _AL4 op_freq_t;
+
/*
* ================================================================
* union of all of subpacket types
op_config_mimo_t op_config_mimo;
op_peek_t op_peek;
op_poke_t op_poke;
+ op_freq_t op_freq;
} u2_subpkt_t;
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
void
db_init(void);
+/*!
+ * \brief Set daughterboard LO offset frequency.
+ *
+ * \param[in] db is the daughterboard instance
+ * \param[in] offset is the amount to add to tuning requests
+ * \param[out] success or failure
+ */
+bool
+db_set_lo_offset(struct db_base *db, u2_fxpt_freq_t offset);
+
/*!
* \brief Two stage tuning. Given target_freq, tune LO and DDC/DUC
*
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
u2_fxpt_gain_t gain_max; //< max gain that can be set (dB)
u2_fxpt_gain_t gain_step_size; //< (dB)
- // u2_fxpt_freq_t lo_offset;
+ u2_fxpt_freq_t default_lo_offset; //< offset to add to tune frequency, reset value
+ u2_fxpt_freq_t current_lo_offset; //< current value of lo_offset
/*
* Auto T/R control values
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
.base.is_quadrature = true,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.atr_mask = 0,
.base.atr_txval = 0,
.base.atr_rxval = 0,
.base.is_quadrature = false,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.atr_mask = 0,
.base.atr_txval = 0,
.base.atr_rxval = 0,
.base.is_quadrature = true,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.atr_mask = 0,
.base.atr_txval = 0,
.base.atr_rxval = 0,
.base.is_quadrature = false,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.atr_mask = 0,
.base.atr_txval = 0,
.base.atr_rxval = 0,
.base.is_quadrature = true,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = db_dbsrx_init,
.base.set_freq = db_dbsrx_set_freq,
.base.set_gain = db_dbsrx_set_gain,
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
//m = determine_tx_mux_value(tx_dboard);
//dsp_tx_regs->tx_mux = m;
//printf("tx_mux = 0x%x\n", m);
+ tx_dboard->current_lo_offset = tx_dboard->default_lo_offset;
rx_dboard = lookup_dboard(I2C_ADDR_RX_A, &db_basic_rx, "Rx");
//printf("db_init: rx dbid = 0x%x\n", rx_dboard->dbid);
m = determine_rx_mux_value(rx_dboard);
dsp_rx_regs->rx_mux = m;
//printf("rx_mux = 0x%x\n", m);
+ rx_dboard->current_lo_offset = rx_dboard->default_lo_offset;
}
/*!
}
}
+bool
+db_set_lo_offset(struct db_base *db, u2_fxpt_freq_t offset)
+{
+ db->current_lo_offset = offset;
+ return true;
+}
bool
db_tune(struct db_base *db, u2_fxpt_freq_t target_freq, struct tune_result *result)
u2_fxpt_freq_t dxc_freq;
u2_fxpt_freq_t actual_dxc_freq;
- // Ask the d'board to tune as closely as it can to target_freq
- bool ok = db->set_freq(db, target_freq, &result->baseband_freq);
+ // Ask the d'board to tune as closely as it can to target_freq+lo_offset
+ bool ok = db->set_freq(db, target_freq+db->current_lo_offset, &result->baseband_freq);
// Calculate the DDC setting that will downconvert the baseband from the
// daughterboard to our target frequency.
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
unsigned char CP2;
int freq_mult;
int spi_mask;
- u2_fxpt_freq_t freq_offset;
};
struct db_rfx_dummy {
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = rfx_init_rx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_rx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_RX_DB,
- .common.freq_mult = 2,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(0)
+ .common.freq_mult = 2
};
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6),
.base.init = rfx_init_tx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_tx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_TX_DB,
- .common.freq_mult = 2,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6)
+ .common.freq_mult = 2
};
struct db_rfx_900_rx db_rfx_900_rx = {
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = rfx_init_rx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_rx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_RX_DB,
- .common.freq_mult = 2,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(0)
+ .common.freq_mult = 2
};
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6),
.base.init = rfx_init_tx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_tx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_TX_DB,
- .common.freq_mult = 2,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6)
+ .common.freq_mult = 2
};
struct db_rfx_1200_rx db_rfx_1200_rx = {
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = rfx_init_rx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_rx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_RX_DB,
- .common.freq_mult = 2,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(0)
+ .common.freq_mult = 2
};
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6),
.base.init = rfx_init_tx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_tx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_TX_DB,
- .common.freq_mult = 2,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6)
+ .common.freq_mult = 2
};
struct db_rfx_1800_rx db_rfx_1800_rx = {
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = rfx_init_rx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_rx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_RX_DB,
- .common.freq_mult = 1,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(0)
+ .common.freq_mult = 1
};
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6),
.base.init = rfx_init_tx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_tx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_TX_DB,
- .common.freq_mult = 1,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6)
+ .common.freq_mult = 1
};
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = rfx_init_rx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_rx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_RX_DB,
- .common.freq_mult = 1,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(0)
+ .common.freq_mult = 1
};
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6),
.base.init = rfx_init_tx,
.base.set_freq = rfx_set_freq,
.base.set_gain = rfx_set_gain_tx,
.common.CP1 = 7,
.common.CP2 = 7,
.common.spi_mask = SPI_SS_TX_DB,
- .common.freq_mult = 1,
- .common.freq_offset = U2_DOUBLE_TO_FXPT_FREQ(12.5e6)
+ .common.freq_mult = 1
};
*dc = 0;
struct db_rfx_dummy *db = (struct db_rfx_dummy *) dbb;
- u2_fxpt_freq_t desired_n = (U2_DOUBLE_TO_FXPT_FREQ(1.0)*db->common.freq_mult*(freq+db->common.freq_offset))/phdet_freq;
+ u2_fxpt_freq_t desired_n = (U2_DOUBLE_TO_FXPT_FREQ(1.0)*db->common.freq_mult*freq)/phdet_freq;
int N_DIV = u2_fxpt_freq_round_to_int(desired_n);
int B = N_DIV/PRESCALER;
int A = N_DIV - PRESCALER*B;
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
.base.is_quadrature = false,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = false,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = tvrx_init,
.base.set_freq = tvrx_set_freq,
.base.set_gain = tvrx_set_gain,
.base.is_quadrature = false,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = true,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = tvrx_init,
.base.set_freq = tvrx_set_freq,
.base.set_gain = tvrx_set_gain,
.base.is_quadrature = false,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = true,
- //.base.lo_offset = U2_DOUBLE_TO_FXPT_FREQ(4e6),
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = tvrx_init,
.base.set_freq = tvrx_set_freq,
.base.set_gain = tvrx_set_gain,
.base.is_quadrature = true,
.base.i_and_q_swapped = false,
.base.spectrum_inverted = false,
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = xcvr2450_init,
.base.set_freq = xcvr2450_set_freq,
.base.set_gain = xcvr2450_set_gain_rx,
.base.is_quadrature = true,
.base.i_and_q_swapped = true,
.base.spectrum_inverted = false,
+ .base.default_lo_offset = U2_DOUBLE_TO_FXPT_FREQ(0),
.base.init = xcvr2450_init,
.base.set_freq = xcvr2450_set_freq,
.base.set_gain = xcvr2450_set_gain_tx,
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
//! return Rx gain db_per_step
double rx_gain_db_per_step();
+ /*!
+ * \brief Set receive daughterboard LO offset frequency
+ */
+ bool set_rx_lo_offset(double frequency);
+
/*!
* Set receiver center frequency
*/
//! return Tx gain db_per_step
double tx_gain_db_per_step();
+ /*
+ * \brief Set transmit daughterboard LO offset frequency
+ */
+ bool set_tx_lo_offset(double frequency);
+
/*!
* Set transmitter center frequency
*/
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
// eop must be dynamically written here
};
+ struct op_freq_cmd {
+ u2_eth_packet_t h;
+ op_freq_t op;
+ op_generic_t eop;
+ };
+
/*!
* Control mechanism to allow API calls to block waiting for reply packets
*/
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
return d_impl->rx_gain_db_per_step();
}
+ bool
+ usrp2::set_rx_lo_offset(double frequency)
+ {
+ return d_impl->set_rx_lo_offset(frequency);
+ }
+
bool
usrp2::set_rx_center_freq(double frequency, tune_result *result)
{
return d_impl->tx_gain_db_per_step();
}
+ bool
+ usrp2::set_tx_lo_offset(double frequency)
+ {
+ return d_impl->set_tx_lo_offset(frequency);
+ }
+
bool
usrp2::set_tx_center_freq(double frequency, tune_result *result)
{
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
case OP_SYNC_TO_PPS: return "OP_SYNC_TO_PPS";
case OP_PEEK: return "OP_PEEK";
case OP_PEEK_REPLY: return "OP_PEEK_REPLY";
+ case OP_SET_TX_LO_OFFSET: return "OP_SET_TX_LO_OFFSET";
+ case OP_SET_TX_LO_OFFSET_REPLY: return "OP_SET_TX_LO_OFFSET_REPLY";
+ case OP_SET_RX_LO_OFFSET: return "OP_SET_RX_LO_OFFSET";
+ case OP_SET_RX_LO_OFFSET_REPLY: return "OP_SET_RX_LO_OFFSET_REPLY";
default:
char buf[64];
fprintf(stderr, " gain_db_per_step = %g\n", rx_gain_db_per_step());
}
+ // Ensure any custom values in hardware are cleared
+ if (!reset_db())
+ std::cerr << "usrp2::ctor reset_db failed\n";
+
// default gains to mid point
if (!set_tx_gain((tx_gain_min() + tx_gain_max()) / 2))
std::cerr << "usrp2::ctor set_tx_gain failed\n";
return success;
}
+ bool
+ usrp2::impl::set_rx_lo_offset(double frequency)
+ {
+ op_freq_cmd cmd;
+ op_generic_t reply;
+
+ memset(&cmd, 0, sizeof(cmd));
+ init_etf_hdrs(&cmd.h, d_addr, 0, CONTROL_CHAN, -1);
+ cmd.op.opcode = OP_SET_RX_LO_OFFSET;
+ cmd.op.len = sizeof(cmd.op);
+ cmd.op.rid = d_next_rid++;
+
+ u2_fxpt_freq_t fxpt = u2_double_to_fxpt_freq(frequency);
+ cmd.op.freq_hi = htonl(u2_fxpt_freq_hi(fxpt));
+ cmd.op.freq_lo = htonl(u2_fxpt_freq_lo(fxpt));
+
+ cmd.eop.opcode = OP_EOP;
+ cmd.eop.len = sizeof(cmd.eop);
+
+ pending_reply p(cmd.op.rid, &reply, sizeof(reply));
+ if (!transmit_cmd(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
+ return false;
+
+ bool success = (ntohx(reply.ok) == 1);
+ return success;
+ }
+
bool
usrp2::impl::set_rx_center_freq(double frequency, tune_result *result)
{
return success;
}
+ bool
+ usrp2::impl::set_tx_lo_offset(double frequency)
+ {
+ op_freq_cmd cmd;
+ op_generic_t reply;
+
+ memset(&cmd, 0, sizeof(cmd));
+ init_etf_hdrs(&cmd.h, d_addr, 0, CONTROL_CHAN, -1);
+ cmd.op.opcode = OP_SET_TX_LO_OFFSET;
+ cmd.op.len = sizeof(cmd.op);
+ cmd.op.rid = d_next_rid++;
+
+ u2_fxpt_freq_t fxpt = u2_double_to_fxpt_freq(frequency);
+ cmd.op.freq_hi = htonl(u2_fxpt_freq_hi(fxpt));
+ cmd.op.freq_lo = htonl(u2_fxpt_freq_lo(fxpt));
+
+ cmd.eop.opcode = OP_EOP;
+ cmd.eop.len = sizeof(cmd.eop);
+
+ pending_reply p(cmd.op.rid, &reply, sizeof(reply));
+ if (!transmit_cmd(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
+ return false;
+
+ bool success = (ntohx(reply.ok) == 1);
+ return success;
+ }
+
bool
usrp2::impl::set_tx_center_freq(double frequency, tune_result *result)
{
// Copy data from vector into packet space
uint32_t *dest = (uint32_t *)((uint8_t *)cmd+plen);
- for (unsigned int i = 0; i < words; i++) {
+ for (int i = 0; i < words; i++) {
//fprintf(stderr, "%03i@%p\n", i, dest);
*dest++ = htonl(data[i]);
}
return ok;
}
+ bool
+ usrp2::impl::reset_db()
+ {
+ op_generic_cmd cmd;
+ op_generic_t reply;
+
+ memset(&cmd, 0, sizeof(cmd));
+ init_etf_hdrs(&cmd.h, d_addr, 0, CONTROL_CHAN, -1);
+ cmd.op.opcode = OP_RESET_DB;
+ cmd.op.len = sizeof(cmd.op);
+ cmd.op.rid = d_next_rid++;
+ cmd.eop.opcode = OP_EOP;
+ cmd.eop.len = sizeof(cmd.eop);
+
+ pending_reply p(cmd.op.rid, &reply, sizeof(reply));
+ if (!transmit_cmd(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
+ return false;
+
+ bool success = (ntohx(reply.ok) == 1);
+ return success;
+ }
+
} // namespace usrp2
/* -*- c++ -*- */
/*
- * Copyright 2008 Free Software Foundation, Inc.
+ * Copyright 2008,2009 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
data_handler::result handle_control_packet(const void *base, size_t len);
data_handler::result handle_data_packet(const void *base, size_t len);
bool dboard_info();
+ bool reset_db();
public:
impl(const std::string &ifc, props *p);
double rx_gain_min() { return d_rx_db_info.gain_min; }
double rx_gain_max() { return d_rx_db_info.gain_max; }
double rx_gain_db_per_step() { return d_rx_db_info.gain_step_size; }
+ bool set_rx_lo_offset(double frequency);
bool set_rx_center_freq(double frequency, tune_result *result);
double rx_freq_min() { return d_rx_db_info.freq_min; }
double rx_freq_max() { return d_rx_db_info.freq_max; }
double tx_gain_min() { return d_tx_db_info.gain_min; }
double tx_gain_max() { return d_tx_db_info.gain_max; }
double tx_gain_db_per_step() { return d_tx_db_info.gain_step_size; }
+ bool set_tx_lo_offset(double frequency);
bool set_tx_center_freq(double frequency, tune_result *result);
double tx_freq_min() { return d_tx_db_info.freq_min; }
double tx_freq_max() { return d_tx_db_info.freq_max; }