Mercurial > public > ostc4
annotate Discovery/Src/tInfoCompass.c @ 250:822416168585 bm-2
Buelmann: new implementation for ceiling
Since my first functional fix in the ceiling computation in
commit ceecabfddb57, I noticed that the computation used a
linear search, that became rather computational expensive after
that commit. The simple question is: why not a binary search?
So, this commit implements the binary search. But there is a long
story attached to this. Comparing ceiling results from hwOS and this
OSTC4 code were very different. Basically, the original OSTC4
algorithm computed the ceiling using the same GFlow to GFhigh
slope, in such a way, that the ceiling was in sync with the
presented deco stops, where the hwOS code presents a GFhigh
based ceiling.
This said, it is more logical when the OSTC4 and hwOS code give
similar results. This new recursive algorithm gives very similar
results for the ceiling compared to hwOS.
To be complete here, the Buelmann ceiling is the depth to which
you can ascend, so that the leading tissue reaches GFhigh. This
also explains why the deepest deco stop is normally deeper than
the ceiling (unless one dives with GF like 80/80).
The code implemented here is rather straightforward recursion.
Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
| author | Jan Mulder <jlmulder@xs4all.nl> |
|---|---|
| date | Thu, 11 Apr 2019 17:48:48 +0200 |
| parents | b7b481df4f22 |
| children |
| rev | line source |
|---|---|
| 38 | 1 /////////////////////////////////////////////////////////////////////////////// |
| 2 /// -*- coding: UTF-8 -*- | |
| 3 /// | |
| 4 /// \file Discovery/Src/tInfoCompass.c | |
| 5 /// \brief there is only compass_DX_f, compass_DY_f, compass_DZ_f output during this mode | |
| 6 /// \author heinrichs weikamp gmbh | |
| 7 /// \date 23-Feb-2015 | |
| 8 /// | |
| 9 /// \details | |
| 10 /// | |
| 11 /// $Id$ | |
| 12 /////////////////////////////////////////////////////////////////////////////// | |
| 13 /// \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh | |
| 14 /// | |
| 15 /// This program is free software: you can redistribute it and/or modify | |
| 16 /// it under the terms of the GNU General Public License as published by | |
| 17 /// the Free Software Foundation, either version 3 of the License, or | |
| 18 /// (at your option) any later version. | |
| 19 /// | |
| 20 /// This program is distributed in the hope that it will be useful, | |
| 21 /// but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 22 /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 23 /// GNU General Public License for more details. | |
| 24 /// | |
| 25 /// You should have received a copy of the GNU General Public License | |
| 26 /// along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 27 ////////////////////////////////////////////////////////////////////////////// | |
| 28 | |
| 29 /* Includes ------------------------------------------------------------------*/ | |
|
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30 |
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31 #include "gfx_engine.h" |
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32 #include "gfx_fonts.h" |
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33 #include "tHome.h" |
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34 #include "tInfo.h" |
| 38 | 35 #include "tInfoCompass.h" |
| 36 | |
| 37 #include <string.h> | |
| 38 | |
| 39 /* Private variables ---------------------------------------------------------*/ | |
| 40 | |
| 41 uint16_t tInfoCompassTimeout = 0; | |
| 42 int16_t minMaxCompassDX[3][2] = { 0 }; | |
| 43 | |
| 44 /* Exported functions --------------------------------------------------------*/ | |
| 45 void openInfo_Compass(void) | |
| 46 { | |
| 47 set_globalState(StICOMPASS); | |
| 48 tInfoCompassTimeout = settingsGetPointer()->timeoutInfoCompass; | |
| 49 tInfoCompassTimeout *= 10; | |
| 50 | |
| 51 for(int i = 0; i<3;i ++) | |
| 52 { | |
| 53 minMaxCompassDX[i][0] = 999; | |
| 54 minMaxCompassDX[i][1] = -999; | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 | |
| 59 // =============================================================================== | |
| 60 // refreshInfo_Compass | |
| 61 /// @brief there is only compass_DX_f, compass_DY_f, compass_DZ_f output during this mode | |
| 62 /// the accel is not called during this process | |
| 63 // =============================================================================== | |
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64 void refreshInfo_Compass(GFX_DrawCfgScreen s) |
| 38 | 65 { |
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66 |
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67 tHome_show_lost_connection_count(&s); |
| 38 | 68 tInfoCompassTimeout--; |
| 69 if(tInfoCompassTimeout == 0) | |
| 70 { | |
| 71 exitInfo(); | |
| 72 return; | |
| 73 } | |
| 74 | |
| 75 char text[80]; | |
| 76 | |
| 77 int16_t compassValues[3]; | |
| 78 | |
| 79 compassValues[0] = stateUsed->lifeData.compass_DX_f; | |
| 80 compassValues[1] = stateUsed->lifeData.compass_DY_f; | |
| 81 compassValues[2] = stateUsed->lifeData.compass_DZ_f; | |
| 82 | |
| 83 for(int i = 0; i<3;i ++) | |
| 84 { | |
| 85 // do not accept zero | |
| 86 if(minMaxCompassDX[i][0] == 0) | |
| 87 minMaxCompassDX[i][0] = compassValues[i]; | |
| 88 | |
| 89 // do not accept zero | |
| 90 if(minMaxCompassDX[i][1] == 0) | |
| 91 minMaxCompassDX[i][1] = compassValues[i]; | |
| 92 | |
| 93 if(compassValues[i] < minMaxCompassDX[i][0]) | |
| 94 minMaxCompassDX[i][0] = compassValues[i]; | |
| 95 | |
| 96 if(compassValues[i] > minMaxCompassDX[i][1]) | |
| 97 minMaxCompassDX[i][1] = compassValues[i]; | |
| 98 } | |
| 99 | |
| 100 snprintf(text,80,"Time left: %u s",(tInfoCompassTimeout+9)/10); | |
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101 tInfo_write_content_simple( 20,800, 25, &FontT42, text, CLUT_InfoCompass); |
| 38 | 102 |
| 103 for(int i = 0; i<3;i ++) | |
| 104 { | |
| 105 snprintf(text,80,"%c: %i" "\t(%i, %i)", | |
| 106 'X'+i, | |
| 107 compassValues[i], | |
| 108 minMaxCompassDX[i][0], | |
| 109 minMaxCompassDX[i][1]); | |
| 110 tInfo_write_content_simple( 20,800, 96 + (i*96), &FontT48, text, CLUT_InfoCompass); | |
| 111 } | |
| 112 | |
| 113 snprintf(text,80,"roll %.1f" "\tpitch %.1f", | |
| 114 stateUsed->lifeData.compass_roll, | |
| 115 stateUsed->lifeData.compass_pitch); | |
| 116 tInfo_write_content_simple( 20,800, 96 * 4, &FontT42, text, CLUT_InfoCompass); | |
| 117 } |