source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/libraries/Bridge/src/Mailbox.cpp @ 46

Last change on this file since 46 was 46, checked in by jrpelegrina, 4 years ago

First release to Xenial

File size: 1.8 KB
Line 
1/*
2  Copyright (c) 2013 Arduino LLC. All right reserved.
3
4  This library is free software; you can redistribute it and/or
5  modify it under the terms of the GNU Lesser General Public
6  License as published by the Free Software Foundation; either
7  version 2.1 of the License, or (at your option) any later version.
8
9  This library is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  Lesser General Public License for more details.
13
14  You should have received a copy of the GNU Lesser General Public
15  License along with this library; if not, write to the Free Software
16  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17*/
18
19#include <Mailbox.h>
20
21unsigned int MailboxClass::readMessage(uint8_t *buff, unsigned int size) {
22  uint8_t tmp[] = { 'm' };
23  return bridge.transfer(tmp, 1, buff, size);
24}
25
26void MailboxClass::readMessage(String &str, unsigned int maxLength) {
27  uint8_t tmp[] = { 'm' };
28  // XXX: Is there a better way to create the string?
29  uint8_t buff[maxLength + 1];
30  int l = bridge.transfer(tmp, 1, buff, maxLength);
31  buff[l] = 0;
32  str = (const char *)buff;
33}
34
35void MailboxClass::writeMessage(const uint8_t *buff, unsigned int size) {
36  uint8_t cmd[] = {'M'};
37  bridge.transfer(cmd, 1, buff, size, NULL, 0);
38}
39
40void MailboxClass::writeMessage(const String& str) {
41  writeMessage((uint8_t*) str.c_str(), str.length());
42}
43
44void MailboxClass::writeJSON(const String& str) {
45  uint8_t cmd[] = {'J'};
46  bridge.transfer(cmd, 1, (uint8_t*) str.c_str(), str.length(), NULL, 0);
47}
48
49unsigned int MailboxClass::messageAvailable() {
50  uint8_t tmp[] = {'n'};
51  uint8_t res[2];
52  bridge.transfer(tmp, 1, res, 2);
53  return (res[0] << 8) + res[1];
54}
55
56MailboxClass Mailbox(Bridge);
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