annotate Discovery/Inc/test_vpm.h @ 319:d8e86af78474 fix-version

bugfix: correct packed main version number in dive header This fixes a rather mysterious bug. Users report that up to 1.3.5 beta, a correct version number is shown in libdivecomputer based applications (like in Subsurface, in the extra data tab). Careful examining the code in both libdivecomputer and the firmware shows a subtle error in the bit mask and shift operation to pack a full X.Y.Z.beta version number in 2 bytes (as is available in the dive header) in the firmware end (as the libdivecomputer code looks sane, assuming this is the right way to pack things). Likely, this bug crept in in the conversion from the closed source Keil period into the open source GCC setup of the code base. So its impossible to document the exact history of this problem here. Further notice that the main version number is only 1 of 3 version numbers, denoting the full version of the firmware (besides Font and RTE). Finally notice that this way of packing is limited to 2^5 bits (decimal 32), so we could easily build a 1.4.21, but not a 1.4.55. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Wed, 19 Jun 2019 14:31:50 +0200
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1 ///////////////////////////////////////////////////////////////////////////////
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2 /// -*- coding: UTF-8 -*-
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3 ///
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4 /// \file Discovery/Inc/test_vpm.h
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5 /// \brief
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6 /// \author Heinrichs Weikamp
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7 /// \date 2018
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8 ///
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9 /// $Id$
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10 ///////////////////////////////////////////////////////////////////////////////
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11 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh
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12 ///
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13 /// This program is free software: you can redistribute it and/or modify
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14 /// it under the terms of the GNU General Public License as published by
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15 /// the Free Software Foundation, either version 3 of the License, or
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16 /// (at your option) any later version.
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17 ///
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18 /// This program is distributed in the hope that it will be useful,
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19 /// but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 /// GNU General Public License for more details.
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22 ///
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23 /// You should have received a copy of the GNU General Public License
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24 /// along with this program. If not, see <http://www.gnu.org/licenses/>.
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25 //////////////////////////////////////////////////////////////////////////////
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26
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27 #ifndef TEST_VPM_H
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28 #define TEST_VPM_H
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29
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30 #include "buehlmann.h"
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31
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32 //_Bool simulate_descent(SBuehlmann* pInput, float ending_depth_meter, float rate_meter_per_minutes);
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33 //void init_buehlmann(SBuehlmann* pInput);
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34 //void init_buehlmann2(SBuehlmann* pInput);
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35 _Bool test1(void);
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36
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37 //uint8_t test5_unapproved(uint32_t frame1, uint32_t frame2, uint32_t frame3, uint32_t frame4);
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38 uint8_t test5_unapproved(void);
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39 uint8_t test6_unapproved(void);
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40 uint8_t test7_unapproved(void);
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41 void test_log_only(uint8_t max_depth_meter, uint16_t divetime_minutes);
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42
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43 uint8_t test101_buehlmann_unapproved(void);
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44
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45 #endif // TEST_VPM_H