1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/* -*- c++ -*- */
/*
* Copyright 2007 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <usrp_tx.h>
#include <iostream>
#include <usb.h>
#include <mb_class_registry.h>
#include <usrp_inband_usb_packet.h>
#include <fpga_regs_common.h>
#include <usrp_standard.h>
#include <stdio.h>
#include <symbols_usrp_tx_cs.h>
typedef usrp_inband_usb_packet transport_pkt;
static const bool verbose = false;
usrp_tx::usrp_tx(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg)
: mb_mblock(rt, instance_name, user_arg),
d_disk_write(false)
{
d_cs = define_port("cs", "usrp-tx-cs", true, mb_port::EXTERNAL);
//d_disk_write=true;
if(d_disk_write) {
d_ofile.open("tx_data.dat",std::ios::binary|std::ios::out);
d_cs_ofile.open("tx_cs.dat",std::ios::binary|std::ios::out);
}
}
usrp_tx::~usrp_tx()
{
if(d_disk_write) {
d_ofile.close();
d_cs_ofile.close();
}
}
void
usrp_tx::initial_transition()
{
}
void
usrp_tx::handle_message(mb_message_sptr msg)
{
pmt_t event = msg->signal();
pmt_t port_id = msg->port_id();
pmt_t data = msg->data();
// Theoretically only have 1 message to ever expect, but
// want to make sure its at least what we want
if(pmt_eq(port_id, d_cs->port_symbol())) {
if(pmt_eqv(event, s_cmd_usrp_tx_write))
write(data);
}
}
void
usrp_tx::write(pmt_t data)
{
pmt_t invocation_handle = pmt_nth(0, data);
pmt_t channel = pmt_nth(1, data);
pmt_t v_packets = pmt_nth(2, data);
d_utx = boost::any_cast<usrp_standard_tx *>(pmt_any_ref(pmt_nth(3, data)));
size_t n_bytes;
bool underrun; // this will need to go, as it is taken care of in the packet headers
transport_pkt *pkts = (transport_pkt *) pmt_u8vector_writeable_elements(v_packets, n_bytes);
int ret = d_utx->write (pkts, n_bytes, &underrun);
if (0 && underrun)
fprintf(stderr, "uU");
if (ret == (int) n_bytes) {
if (verbose)
std::cout << "[usrp_server] Write of " << n_bytes << " successful\n";
// need to respond with the channel so the USRP server knows who to forward the result of
// the write to by looking up the owner of the channel
d_cs->send(s_response_usrp_tx_write,
pmt_list3(invocation_handle, PMT_T, channel));
}
else {
if (verbose)
std::cout << "[usrp_server] Error writing " << n_bytes << " bytes to USB bus\n";
d_cs->send(s_response_usrp_tx_write,
pmt_list3(invocation_handle, PMT_F, channel));
}
long n_packets =
static_cast<long>(std::ceil(n_bytes / (double)transport_pkt::max_pkt_size()));
for(int i=0; i < n_packets; i++) {
if(d_disk_write) {
if(pkts[i].chan() == 0x1f)
d_cs_ofile.write((const char *)&pkts[i], transport_pkt::max_pkt_size());
else
d_ofile.write((const char *)&pkts[i], transport_pkt::max_pkt_size());
d_cs_ofile.flush();
d_ofile.flush();
}
}
return;
}
REGISTER_MBLOCK_CLASS(usrp_tx);
|
