/* -*- c++ -*- */
/*
- * Copyright 2008,2009 Free Software Foundation, Inc.
+ * Copyright 2008,2009,2010 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
#include <usrp2/tune_result.h>
#include <usrp2/copiers.h>
#include <gruel/inet.h>
+#include <gruel/realtime.h>
+#include <boost/bind.hpp>
#include <usrp2_types.h>
#include "usrp2_impl.h"
-#include "usrp2_thread.h"
#include "eth_buffer.h"
#include "pktfilter.h"
#include "control.h"
//assert((((uintptr_t) p) % 4) == 0); // must be 4-byte aligned
u2_fixed_hdr_t *fh = static_cast<u2_fixed_hdr_t *>(p);
-
+
// FIXME unaligned loads!
md->word0 = u2p_word0(fh);
md->timestamp = u2p_timestamp(fh);
usrp2::impl::impl(const std::string &ifc, props *p, size_t rx_bufsize)
- : d_eth_buf(new eth_buffer(rx_bufsize)), d_interface_name(ifc), d_pf(0), d_bg_thread(0),
+ : d_eth_buf(new eth_buffer(rx_bufsize)), d_interface_name(ifc), d_pf(0),
d_bg_running(false), d_rx_seqno(-1), d_tx_seqno(0), d_next_rid(0),
- d_num_rx_frames(0), d_num_rx_missing(0), d_num_rx_overruns(0), d_num_rx_bytes(0),
- d_num_enqueued(0), d_enqueued_mutex(), d_bg_pending_cond(&d_enqueued_mutex),
+ d_num_rx_frames(0), d_num_rx_missing(0), d_num_rx_overruns(0), d_num_rx_bytes(0),
+ d_num_enqueued(0), d_enqueued_mutex(), d_bg_pending_cond(),
d_channel_rings(NCHANS), d_tx_interp(0), d_rx_decim(0), d_dont_enqueue(true)
{
if (!d_eth_buf->open(ifc, htons(U2_ETHERTYPE)))
throw std::runtime_error("Unable to register USRP2 protocol");
-
+
d_addr = p->addr;
// Create a packet filter for U2_ETHERTYPE packets sourced from target USRP2
d_pf = pktfilter::make_ethertype_inbound_target(U2_ETHERTYPE, (const unsigned char*)&(usrp_mac.addr));
if (!d_pf || !d_eth_buf->attach_pktfilter(d_pf))
throw std::runtime_error("Unable to attach packet filter.");
-
+
if (USRP2_IMPL_DEBUG)
std::cerr << "usrp2 constructor: using USRP2 at " << d_addr << std::endl;
memset(d_pending_replies, 0, sizeof(d_pending_replies));
- d_bg_thread = new usrp2_thread(this);
- d_bg_thread->start();
+ // Kick off receive thread
+ start_bg();
// In case the USRP2 was left streaming RX
// FIXME: only one channel right now
if (!set_rx_decim(12))
std::cerr << "usrp2::ctor set_rx_decim failed\n";
-
+
// set workable defaults for scaling
if (!set_rx_scale_iq(DEFAULT_RX_SCALE, DEFAULT_RX_SCALE))
std::cerr << "usrp2::ctor set_rx_scale_iq failed\n";
}
-
+
usrp2::impl::~impl()
{
stop_bg();
- d_bg_thread = 0; // thread class deletes itself
delete d_pf;
d_eth_buf->close();
delete d_eth_buf;
-
+
if (USRP2_IMPL_DEBUG) {
std::cerr << std::endl
- << "usrp2 destructor: received " << d_num_rx_frames
+ << "usrp2 destructor: received " << d_num_rx_frames
<< " frames, with " << d_num_rx_missing << " lost ("
<< (d_num_rx_frames == 0 ? 0 : (int)(100.0*d_num_rx_missing/d_num_rx_frames))
<< "%), totaling " << d_num_rx_bytes
<< " bytes" << std::endl;
}
}
-
+
bool
usrp2::impl::parse_mac_addr(const std::string &s, u2_mac_addr_t *p)
{
p->addr[3] = 0x85;
p->addr[4] = 0x30;
p->addr[5] = 0x00;
-
+
int len = s.size();
-
+
switch (len){
-
+
case 5:
return sscanf(s.c_str(), "%hhx:%hhx", &p->addr[4], &p->addr[5]) == 2;
-
+
case 17:
return sscanf(s.c_str(), "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
&p->addr[0], &p->addr[1], &p->addr[2],
return false;
}
}
-
+
void
usrp2::impl::init_et_hdrs(u2_eth_packet_t *p, const std::string &dst)
{
p->ehdr.ethertype = htons(U2_ETHERTYPE);
- parse_mac_addr(dst, &p->ehdr.dst);
+ parse_mac_addr(dst, &p->ehdr.dst);
memcpy(&p->ehdr.src, d_eth_buf->mac(), 6);
p->thdr.flags = 0; // FIXME transport header values?
p->thdr.seqno = d_tx_seqno++;
p->thdr.ack = 0;
}
-
- void
+
+ void
usrp2::impl::init_etf_hdrs(u2_eth_packet_t *p, const std::string &dst,
int word0_flags, int chan, uint32_t timestamp)
{
init_et_hdrs(p, dst);
u2p_set_word0(&p->fixed, word0_flags, chan);
u2p_set_timestamp(&p->fixed, timestamp);
-
+
if (chan == CONTROL_CHAN) { // no sequence numbers, back it out
p->thdr.seqno = 0;
d_tx_seqno--;
}
}
-
+
void
usrp2::impl::init_config_rx_v2_cmd(op_config_rx_v2_cmd *cmd)
{
- memset(cmd, 0, sizeof(*cmd));
+ memset(cmd, 0, sizeof(*cmd));
init_etf_hdrs(&cmd->h, d_addr, 0, CONTROL_CHAN, -1);
cmd->op.opcode = OP_CONFIG_RX_V2;
cmd->op.len = sizeof(cmd->op);
void
usrp2::impl::init_config_tx_v2_cmd(op_config_tx_v2_cmd *cmd)
{
- memset(cmd, 0, sizeof(*cmd));
+ memset(cmd, 0, sizeof(*cmd));
init_etf_hdrs(&cmd->h, d_addr, 0, CONTROL_CHAN, -1);
cmd->op.opcode = OP_CONFIG_TX_V2;
cmd->op.len = sizeof(cmd->op);
usrp2::impl::transmit_cmd_and_wait(void *cmd, size_t len, pending_reply *p, double secs)
{
d_pending_replies[p->rid()] = p;
-
+
if (!transmit_cmd(cmd, len)){
d_pending_replies[p->rid()] = 0;
return false;
// Background loop: received packet demuxing
// ----------------------------------------------------------------
+ void
+ usrp2::impl::start_bg()
+ {
+ d_rx_tg.create_thread(boost::bind(&usrp2::impl::bg_loop, this));
+ }
+
void
usrp2::impl::stop_bg()
{
d_bg_running = false;
- d_bg_pending_cond.signal();
-
- void *dummy_status;
- d_bg_thread->join(&dummy_status);
+ d_bg_pending_cond.notify_one(); // FIXME: check if needed
+ d_rx_tg.join_all();
}
-
+
void
usrp2::impl::bg_loop()
{
+ gruel::enable_realtime_scheduling();
+
d_bg_running = true;
while(d_bg_running) {
DEBUG_LOG(":");
// rings, and signal blocked API threads
int res = d_eth_buf->rx_frames(this, 100); // FIXME magic timeout
if (res == eth_buffer::EB_ERROR)
- break;
+ break;
// Wait for user API thread(s) to process all enqueued packets.
- // The channel ring thread that decrements d_num_enqueued to zero
+ // The channel ring thread that decrements d_num_enqueued to zero
// will signal this thread to continue.
{
- omni_mutex_lock l(d_enqueued_mutex);
+ gruel::scoped_lock l(d_enqueued_mutex);
while(d_num_enqueued > 0 && d_bg_running)
- d_bg_pending_cond.wait();
+ d_bg_pending_cond.wait(l);
}
}
d_bg_running = false;
}
-
+
//
// passed to eth_buffer::rx_frames
//
{
// point to beginning of payload (subpackets)
unsigned char *p = (unsigned char *)base + sizeof(u2_eth_packet_t);
-
+
// FIXME (p % 4) == 2. Not good. Must watch for unaligned loads.
// FIXME iterate over payload, handling more than a single subpacket.
-
+
int opcode = p[0];
unsigned int oplen = p[1];
unsigned int rid = p[2];
std::cerr << "usrp2: mismatched command reply length (expected: "
<< buflen << " got: " << oplen << "). "
<< "op = " << opcode_to_string(opcode) << std::endl;
- }
-
+ }
+
// Copy reply into caller's buffer
memcpy(rp->buffer(), p, std::min(oplen, buflen));
rp->notify_completion();
DEBUG_LOG("l");
return data_handler::RELEASE;
}
-
+
data_handler::result
usrp2::impl::handle_data_packet(const void *base, size_t len)
{
u2_eth_samples_t *pkt = (u2_eth_samples_t *)base;
d_num_rx_frames++;
d_num_rx_bytes += len;
-
+
/* --- FIXME start of fake transport layer handler --- */
if (d_rx_seqno != -1) {
int expected_seqno = (d_rx_seqno + 1) & 0xFF;
- int seqno = pkt->hdrs.thdr.seqno;
-
+ int seqno = pkt->hdrs.thdr.seqno;
+
if (seqno != expected_seqno) {
::write(2, "S", 1); // missing sequence number
int missing = seqno - expected_seqno;
if (missing < 0)
missing += 256;
-
+
d_num_rx_overruns++;
d_num_rx_missing += missing;
}
unsigned int chan = u2p_chan(&pkt->hdrs.fixed);
{
- omni_mutex_lock l(d_channel_rings_mutex);
+ gruel::scoped_lock l(d_channel_rings_mutex);
if (!d_channel_rings[chan]) {
DEBUG_LOG("!");
return data_handler::RELEASE; // discard packet, no channel handler
}
-
+
// Strip off ethernet header and transport header and enqueue the rest
-
+
size_t offset = offsetof(u2_eth_samples_t, hdrs.fixed);
if (d_channel_rings[chan]->enqueue(&pkt->hdrs.fixed, len-offset)) {
inc_enqueued();
else {
DEBUG_LOG("!");
return data_handler::RELEASE; // discard, no room in channel ring
- }
+ }
return data_handler::RELEASE;
}
}
// Receive
// ----------------------------------------------------------------
- bool
+ bool
+ usrp2::impl::set_rx_antenna(int ant){
+ op_config_mimo_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_RX_ANTENNA;
+ cmd.op.len = sizeof(cmd.op);
+ cmd.op.rid = d_next_rid++;
+ cmd.op.flags = ant;
+ cmd.eop.opcode = OP_EOP;
+ cmd.eop.len = sizeof(cmd.eop);
+
+ pending_reply p(cmd.op.rid, &reply, sizeof(reply));
+ if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
+ return false;
+
+ return ntohx(reply.ok) == 1;
+ }
+
+ bool
usrp2::impl::set_rx_gain(double gain)
{
op_config_rx_v2_cmd cmd;
init_config_rx_v2_cmd(&cmd);
cmd.op.valid = htons(CFGV_GAIN);
cmd.op.gain = htons(u2_double_to_fxpt_gain(gain));
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
bool success = (ntohx(reply.ok) == 1);
return success;
}
-
+
bool
usrp2::impl::set_rx_lo_offset(double frequency)
{
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
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));
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
bool success = (ntohx(reply.ok) == 1);
if (result && success) {
result->baseband_freq =
- u2_fxpt_freq_to_double(
- u2_fxpt_freq_from_hilo(ntohl(reply.baseband_freq_hi),
+ u2_fxpt_freq_to_double(
+ u2_fxpt_freq_from_hilo(ntohl(reply.baseband_freq_hi),
ntohl(reply.baseband_freq_lo)));
result->dxc_freq =
- u2_fxpt_freq_to_double(
- u2_fxpt_freq_from_hilo(ntohl(reply.ddc_freq_hi),
+ u2_fxpt_freq_to_double(
+ u2_fxpt_freq_from_hilo(ntohl(reply.ddc_freq_hi),
ntohl(reply.ddc_freq_lo)));
result->residual_freq =
- u2_fxpt_freq_to_double(
- u2_fxpt_freq_from_hilo(ntohl(reply.residual_freq_hi),
+ u2_fxpt_freq_to_double(
+ u2_fxpt_freq_from_hilo(ntohl(reply.residual_freq_hi),
ntohl(reply.residual_freq_lo)));
result->spectrum_inverted = (bool)(ntohx(reply.inverted) == 1);
return success;
}
-
+
bool
usrp2::impl::set_rx_decim(int decimation_factor)
{
init_config_rx_v2_cmd(&cmd);
cmd.op.valid = htons(CFGV_INTERP_DECIM);
cmd.op.decim = htonl(decimation_factor);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
d_rx_decim = decimation_factor;
return success;
}
-
+
bool
usrp2::impl::set_rx_scale_iq(int scale_i, int scale_q)
{
init_config_rx_v2_cmd(&cmd);
cmd.op.valid = htons(CFGV_SCALE_IQ);
cmd.op.scale_iq = htonl(((scale_i & 0xffff) << 16) | (scale_q & 0xffff));
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
bool success = (ntohx(reply.ok) == 1);
return success;
}
-
+
bool
usrp2::impl::start_rx_streaming(unsigned int channel, unsigned int items_per_frame)
{
}
{
- omni_mutex_lock l(d_channel_rings_mutex);
+ gruel::scoped_lock l(d_channel_rings_mutex);
if (d_channel_rings[channel]) {
std::cerr << "usrp2: channel " << channel
<< " already streaming" << std::endl;
return false;
}
-
+
if (items_per_frame == 0)
items_per_frame = U2_MAX_SAMPLES; // minimize overhead
-
+
op_start_rx_streaming_cmd cmd;
op_generic_t reply;
cmd.op.items_per_frame = htonl(items_per_frame);
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
d_dont_enqueue = false;
bool success = false;
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
success = transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT);
success = success && (ntohx(reply.ok) == 1);
-
+
if (success)
d_channel_rings[channel] = ring_sptr(new ring(d_eth_buf->max_frames()));
else
}
{
- omni_mutex_lock l(d_channel_rings_mutex);
+ gruel::scoped_lock guard(d_channel_rings_mutex);
if (d_channel_rings[channel]) {
std::cerr << "usrp2: channel " << channel
<< " already streaming" << std::endl;
return false;
}
-
+
if (items_per_frame == 0)
items_per_frame = U2_MAX_SAMPLES; // minimize overhead
-
+
op_start_rx_streaming_cmd cmd;
op_generic_t reply;
cmd.op.items_per_frame = htonl(items_per_frame);
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
+ d_dont_enqueue = false;
bool success = false;
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
- success = transmit_cmd(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT);
+ success = transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT);
success = success && (ntohx(reply.ok) == 1);
-
+
if (success)
d_channel_rings[channel] = ring_sptr(new ring(d_eth_buf->max_frames()));
+ else
+ d_dont_enqueue = true;
return success;
}
}
-
+
bool
usrp2::impl::sync_and_start_rx_streaming_at(unsigned int channel, unsigned int items_per_frame, unsigned int time)
{
-
+
if (channel > MAX_CHAN) {
std::cerr << "usrp2: invalid channel number (" << channel
<< ")" << std::endl;
}
{
- omni_mutex_lock l(d_channel_rings_mutex);
+ gruel::scoped_lock guard(d_channel_rings_mutex);
if (d_channel_rings[channel]) {
std::cerr << "usrp2: channel " << channel
<< " already streaming" << std::endl;
return false;
}
-
+
if (items_per_frame == 0)
items_per_frame = U2_MAX_SAMPLES; // minimize overhead
-
+
op_sync_and_start_rx_streaming_cmd cmd;
op_generic_t reply;
cmd.rx_op.items_per_frame = htonl(items_per_frame);
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
+ d_dont_enqueue = false;
bool success = false;
pending_reply p(cmd.sync_op.rid, &reply, sizeof(reply));
- success = transmit_cmd(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT);
+ success = transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT);
success = success && (ntohx(reply.ok) == 1);
-
+
if (success)
d_channel_rings[channel] = ring_sptr(new ring(d_eth_buf->max_frames()));
+ else
+ d_dont_enqueue = true;
return success;
}
}
-
+
bool
usrp2::impl::stop_rx_streaming(unsigned int channel)
{
op_generic_t reply;
{
- omni_mutex_lock l(d_channel_rings_mutex);
+ gruel::scoped_lock l(d_channel_rings_mutex);
memset(&cmd, 0, sizeof(cmd));
init_etf_hdrs(&cmd.h, d_addr, 0, CONTROL_CHAN, -1);
cmd.op.rid = d_next_rid++;
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
bool success = false;
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
success = transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT);
success = success && (ntohx(reply.ok) == 1);
d_channel_rings[channel].reset();
+ d_rx_seqno = -1;
//fprintf(stderr, "usrp2::stop_rx_streaming: success = %d\n", success);
return success;
}
<< " )" << std::endl;
return false;
}
-
+
if (channel > 0) {
std::cerr << "usrp2: channel " << channel
<< " not implemented" << std::endl;
return false;
}
-
+
ring_sptr rp = d_channel_rings[channel];
if (!rp){
std::cerr << "usrp2: channel " << channel
<< " not receiving" << std::endl;
return false;
}
-
+
// Wait for frames available in channel ring
DEBUG_LOG("W");
rp->wait_for_not_empty();
DEBUG_LOG("s");
-
+
// Iterate through frames and present to user
void *p;
size_t frame_len_in_bytes;
// Transmit
// ----------------------------------------------------------------
- bool
+ bool
+ usrp2::impl::set_tx_antenna(int ant){
+ op_config_mimo_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_TX_ANTENNA;
+ cmd.op.len = sizeof(cmd.op);
+ cmd.op.rid = d_next_rid++;
+ cmd.op.flags = ant;
+ cmd.eop.opcode = OP_EOP;
+ cmd.eop.len = sizeof(cmd.eop);
+
+ pending_reply p(cmd.op.rid, &reply, sizeof(reply));
+ if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
+ return false;
+
+ return ntohx(reply.ok) == 1;
+ }
+
+ bool
usrp2::impl::set_tx_gain(double gain)
{
op_config_tx_v2_cmd cmd;
init_config_tx_v2_cmd(&cmd);
cmd.op.valid = htons(CFGV_GAIN);
cmd.op.gain = htons(u2_double_to_fxpt_gain(gain));
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
bool success = (ntohx(reply.ok) == 1);
return success;
}
-
+
bool
usrp2::impl::set_tx_lo_offset(double frequency)
{
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
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));
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
bool success = (ntohx(reply.ok) == 1);
if (result && success) {
result->baseband_freq =
- u2_fxpt_freq_to_double(
- u2_fxpt_freq_from_hilo(ntohl(reply.baseband_freq_hi),
+ u2_fxpt_freq_to_double(
+ u2_fxpt_freq_from_hilo(ntohl(reply.baseband_freq_hi),
ntohl(reply.baseband_freq_lo)));
result->dxc_freq =
- u2_fxpt_freq_to_double(
- u2_fxpt_freq_from_hilo(ntohl(reply.duc_freq_hi),
+ u2_fxpt_freq_to_double(
+ u2_fxpt_freq_from_hilo(ntohl(reply.duc_freq_hi),
ntohl(reply.duc_freq_lo)));
result->residual_freq =
- u2_fxpt_freq_to_double(
- u2_fxpt_freq_from_hilo(ntohl(reply.residual_freq_hi),
+ u2_fxpt_freq_to_double(
+ u2_fxpt_freq_from_hilo(ntohl(reply.residual_freq_hi),
ntohl(reply.residual_freq_lo)));
result->spectrum_inverted = (bool)(ntohx(reply.inverted) == 1);
return success;
}
-
+
bool
usrp2::impl::set_tx_interp(int interpolation_factor)
{
init_config_tx_v2_cmd(&cmd);
cmd.op.valid = htons(CFGV_INTERP_DECIM);
cmd.op.interp = htonl(interpolation_factor);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
return success;
}
-
+
void
usrp2::impl::default_tx_scale_iq(int interpolation_factor, int *scale_i, int *scale_q)
{
// Calculate dsp_core_tx gain absent scale multipliers
float gain = (1.65*i*i*i)/(4096*pow(2, ceil(log2(i*i*i))));
-
+
// Calculate closest multiplier constant to reverse gain
int scale = (int)rint(1.0/gain);
// fprintf(stderr, "if=%i i=%i gain=%f scale=%i\n", interpolation_factor, i, gain, scale);
init_config_tx_v2_cmd(&cmd);
cmd.op.valid = htons(CFGV_SCALE_IQ);
cmd.op.scale_iq = htonl(((scale_i & 0xffff) << 16) | (scale_q & 0xffff));
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
cmd.op.flags = flags;
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
dst->dbid = ntohl(src->dbid);
dst->freq_min =
- u2_fxpt_freq_to_double(u2_fxpt_freq_from_hilo(ntohl(src->freq_min_hi),
+ u2_fxpt_freq_to_double(u2_fxpt_freq_from_hilo(ntohl(src->freq_min_hi),
ntohl(src->freq_min_lo)));
dst->freq_max =
- u2_fxpt_freq_to_double(u2_fxpt_freq_from_hilo(ntohl(src->freq_max_hi),
+ u2_fxpt_freq_to_double(u2_fxpt_freq_from_hilo(ntohl(src->freq_max_hi),
ntohl(src->freq_max_lo)));
dst->gain_min = u2_fxpt_gain_to_double(ntohs(src->gain_min));
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_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
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_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
cmd.op.ok = enable ? 1 : 0;
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
// fprintf(stderr, "usrp2::peek: addr=%08X words=%u\n", addr, words);
if (addr % 4 != 0) {
- fprintf(stderr, "usrp2::peek: addr (=%08X) must be 32-bit word aligned\n", addr);
+ fprintf(stderr, "usrp2::peek: addr (=%08X) must be 32-bit word aligned\n", addr);
return result;
}
usrp2::impl::poke32(uint32_t addr, const std::vector<uint32_t> &data)
{
if (addr % 4 != 0) {
- fprintf(stderr, "usrp2::poke32: addr (=%08X) must be 32-bit word aligned\n", addr);
+ fprintf(stderr, "usrp2::poke32: addr (=%08X) must be 32-bit word aligned\n", addr);
return false;
}
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_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
cmd.op.mask = htons(mask);
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
memcpy(&cmd.op.sels, sels.c_str(), 16);
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
cmd.op.mask = htons(mask);
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
cmd.op.mask = 0; // not used
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
cmd.op.mask = 0; // not used
cmd.eop.opcode = OP_EOP;
cmd.eop.len = sizeof(cmd.eop);
-
+
pending_reply p(cmd.op.rid, &reply, sizeof(reply));
if (!transmit_cmd_and_wait(&cmd, sizeof(cmd), &p, DEF_CMD_TIMEOUT))
return false;
projects / debian / gnuradio / blobdiff