1 /*
2 * Author: Jon Trulson <jtrulson@ics.com>
3 * Copyright (c) 2015 Intel Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <unistd.h>
26 #include <iostream>
27 #include <signal.h>
28 #include <stdio.h>
29 #include "hm11.h"
30
31 using namespace std;
32 using namespace upm;
33
printUsage(char * progname)34 void printUsage(char *progname)
35 {
36 cout << "Usage: " << progname << " [AT command]" << endl;
37 cout << endl;
38
39 cout << "If an argument is supplied on the command line, that argument is"
40 << endl;
41 cout << "sent to the module and the response is printed out." << endl;
42 cout << endl;
43 cout << "If no argument is used, then the address and PIN of the module"
44 << endl;
45 cout << "are queried and the results printed out." << endl;
46 cout << endl;
47 cout << endl;
48 }
49
50 // simple helper function to send a command and wait for a response
sendCommand(upm::HM11 * ble,char * cmd)51 void sendCommand(upm::HM11* ble, char *cmd)
52 {
53 char buffer[BUFSIZ];
54 ble->writeData(cmd, strlen(cmd));
55
56 // wait up to 1 second
57 if (ble->dataAvailable(1000))
58 {
59 memset(buffer, 0, BUFSIZ);
60
61 ble->readData(buffer, BUFSIZ - 1);
62 cout << "Returned: " << buffer << endl;
63 }
64 else
65 {
66 cerr << "Timed out waiting for response" << endl;
67 }
68 }
69
70
main(int argc,char ** argv)71 int main (int argc, char **argv)
72 {
73 //! [Interesting]
74 char buffer[BUFSIZ];
75 // Instantiate a HM11 BLE Module on UART 0
76
77 upm::HM11* ble = new upm::HM11(0);
78
79 // make sure port is initialized properly. 9600 baud is the default.
80 if (!ble->setupTty(B9600))
81 {
82 cerr << "Failed to setup tty port parameters" << endl;
83 return 1;
84 }
85
86 printUsage(argv[0]);
87
88 if (argc > 1)
89 {
90 cout << "Sending command line argument (" << argv[1] << ")..." << endl;
91 sendCommand(ble, argv[1]);
92 }
93 else
94 {
95 // query the module address
96 char addr[] = "AT+ADDR?";
97 cout << "Querying module address (" << addr << ")..." << endl;
98 sendCommand(ble, addr);
99
100 sleep(1);
101
102 // query the module address
103 char pin[] = "AT+PASS?";
104 cout << "Querying module PIN (" << pin << ")..." << endl;
105 sendCommand(ble, pin);
106
107 // Other potentially useful commands are:
108 //
109 // AT+VERS? - query module version
110 // AT+ROLE0 - set as slave
111 // AT+ROLE1 - set as master
112 // AT+CLEAR - clear all previous settings
113 // AT+RESET - restart the device
114 //
115 // A comprehensive list is available from the datasheet at:
116 // http://www.seeedstudio.com/wiki/images/c/cd/Bluetooth4_en.pdf
117 }
118
119 //! [Interesting]
120
121 delete ble;
122 return 0;
123 }
124