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
|
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <stdlib.h>
#include <iostream>
#include <signal.h>
#include "sx1276.h"
using namespace std;
int shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main(int argc, char **argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
cout << "Specify an argument to go into receive mode. Default is transmit"
<< endl;
bool rx = false;
if (argc > 1)
rx = true;
// Instantiate an SX1276 using default parameters
upm::SX1276 *sensor = new upm::SX1276();
// 915Mhz
sensor->setChannel(915000000);
// LORA configuration (rx and tx must be configured the same):
// Tx output power = 14 dBm
// LORA bandwidth = 125000 (can also be 250K and 500K)
// LORA spreading factor = 7
// LORA coding rate = 1 (4/5)
// LORA preamble len = 8
// LORA symbol timeout = 5
// LORA fixed payload = false
// LORA IQ inversion = false
// LORA (rx) continuous Rx mode = true
sensor->setTxConfig(sensor->MODEM_LORA, 14, 0, 125000,
7, 1, 8, false, true, false, 0, false);
sensor->setRxConfig(sensor->MODEM_LORA, 125000, 7,
1, 0, 8, 5, false, 0, true, false, 0, false, true);
int count = 0;
int buflen = 64;
char buffer[buflen];
while (shouldRun)
{
if (!rx)
{
snprintf(buffer, buflen, "Ping %d", count++);
cout << "Sending..." << std::string(buffer) << endl;
sensor->sendStr(string(buffer), 3000);
sensor->setSleep();
sleep(1);
}
else
{
// receiving
cout << "Attempting to receive..." << endl;
int rv;
if (rv = sensor->setRx(3000))
{
cout << "setRx returned " << rv << endl;
}
else
{
cout << "Received Buffer: " << sensor->getRxBufferStr() << endl;
}
// go back to sleep when done
sensor->setSleep();
usleep(5000);
}
}
//! [Interesting]
cout << "Exiting..." << endl;
delete sensor;
return 0;
}
|
