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
31using namespace std;
32using namespace upm;
33
34void 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
51void 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
71int 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