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