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annotate Discovery/Src/motion.c @ 549:469e93f8633e

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Only execute motion detection functions if features is enabled: Added compile switch around function and, in case the switch is on, an additional check if the features is activated by the settings. Added function to add an additional level of brightness to the backlight: The new interface allows to increase the brightness of the display on top of the normal setting. This may be used to indicate focus state to the user if motion detection is enabled
author Ideenmodellierer
date Sun, 08 Nov 2020 18:36:02 +0100
parents 0cd862e501f6
children e3237f580ae9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * motion.c
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3 *
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4 * Created on: 20.05.2019
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5 * Author: Thorsten Sonntag
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6 */
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7
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8 #include <stdint.h>
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9 #include <string.h>
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10 #include <stdlib.h>
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11 #include <math.h>
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12 #include "motion.h"
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13 #include "data_central.h"
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14 #include "t7.h"
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15 #include "t3.h"
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16 #include "settings.h"
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17
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18 #define STABLE_STATE_COUNT 2 /* number of count to declare a state as stable (at the moment based on 100ms) */
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19 #define STABLE_STATE_TIMEOUT 5 /* Detection shall be aborted if a movement state is stable for more than 500ms */
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20
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21 #define SECTOR_WINDOW 80.0 /* Pitch window which is used for custom view projection */
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22 #define SECTOR_WINDOW_MAX 120.0 /* Pitch window which will be greater than the divers field of view */
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23 #define SECTOR_HYSTERY 2 /* Additional offset to avoid fast changing displays */
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24 #define SECTOR_BORDER 400.0 /* Define a value which is out of limit to avoid not wanted key events */
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25 #define SECTOR_FILTER 10 /* Define speed for calculated angle to follow real value */
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26
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27 #define SECTOR_MAX 24 /* maximum number of sectors */
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28 #define SECTOR_SCROLL 7 /* number of sectors used for scroll detection */
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29
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30 detectionState_t detectionState = DETECT_NOTHING;
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31 SSector sectorDetection;
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32
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33
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34 uint8_t GetSectorForPitch(float pitch)
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35 {
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36 static uint8_t lastsector = 0;
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37 float newPitch;
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38 uint8_t sector = 0;
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39
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40 newPitch = pitch + sectorDetection.offset + sectorDetection.center; /* do not use negative values and consider offset to center position */
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41 if (newPitch < 0.0) /* clip value */
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42 {
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43 newPitch = 0.0;
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44 }
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45 if (newPitch > sectorDetection.window) /* clip value */
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46 {
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47 newPitch = sectorDetection.window;
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48 }
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49
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50 /* switch to other sector? */
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51 if((newPitch > sectorDetection.upperborder) || (newPitch <= sectorDetection.lowerborder))
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52 {
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53 sector = (uint16_t) newPitch / sectorDetection.size;
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54 sectorDetection.lowerborder = sector * sectorDetection.size - SECTOR_HYSTERY;
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55 sectorDetection.upperborder = (sector + 1) * sectorDetection.size + SECTOR_HYSTERY;
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56 lastsector = sector;
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57 }
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58
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59 return lastsector;
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60 }
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61
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62 void DefinePitchSectors(float centerPitch,uint8_t numOfSectors)
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63 {
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64 if(numOfSectors == CUSTOMER_DEFINED_VIEWS)
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65 {
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66 if(settingsGetPointer()->design == 3) /* Big font view ? */
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67 {
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68 sectorDetection.count = t3_GetEnabled_customviews();
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69 }
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70 else
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71 {
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72 sectorDetection.count = t7_GetEnabled_customviews();
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73 }
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74 if(sectorDetection.count > 7)
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75 {
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76 sectorDetection.count = 7; /* more views are hard to manually control */
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77 }
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78 }
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79 else
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80 if(numOfSectors != CUSTOMER_KEEP_LAST_SECTORS)
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81 {
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82 sectorDetection.count = numOfSectors;
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83 }
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84
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85 if(sectorDetection.count == SECTOR_MAX)
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86 {
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87 sectorDetection.window = SECTOR_WINDOW_MAX;
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88 }
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89 else
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90 {
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91 sectorDetection.window = SECTOR_WINDOW;
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92 }
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93
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94 sectorDetection.offset = (centerPitch - (sectorDetection.window / 2)) * -1.0;
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95 sectorDetection.size = sectorDetection.window / sectorDetection.count;
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96 sectorDetection.center = 0;
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97
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98 /* reset border values */
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99 sectorDetection.lowerborder = SECTOR_BORDER;
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100 sectorDetection.upperborder = SECTOR_BORDER * -1.0;
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101 /* get the current sector */
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102 sectorDetection.current = GetSectorForPitch(stateRealGetPointer()->lifeData.compass_pitch);
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103 sectorDetection.target = sectorDetection.current;
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104 /* do a small adjustment to center pitch to make sure the actual pitch is in the center of the current sector */
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105 sectorDetection.center = (sectorDetection.upperborder) - ((sectorDetection.size + 2 *SECTOR_HYSTERY) / 2.0) - (centerPitch + sectorDetection.offset);
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106
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107 }
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108
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109 void InitMotionDetection(void)
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110 {
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111 sectorDetection.target = 0;
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112 sectorDetection.current = 0;
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113 sectorDetection.size = 0;
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114 sectorDetection.count = 0;
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115
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116 switch(settingsGetPointer()->MotionDetection)
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117 {
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118 case MOTION_DETECT_SECTOR: DefinePitchSectors(0,CUSTOMER_DEFINED_VIEWS);
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119 break;
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120 case MOTION_DETECT_MOVE: DefinePitchSectors(0,SECTOR_MAX);
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121 break;
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122 case MOTION_DETECT_SCROLL: DefinePitchSectors(0,SECTOR_SCROLL);
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123 break;
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124 default:
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125 break;
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126 }
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127
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128 }
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129
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130 /* Map the current pitch value to a sector and create button event in case the sector is left */
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131 detectionState_t detectSectorButtonEvent(float curPitch)
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132 {
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133 static uint8_t lastTargetSector = 0;
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134 uint8_t newTargetSector;
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135 uint8_t PitchEvent = DETECT_NOTHING;
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136
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
137 /* only change sector if reading is stable */
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
138 newTargetSector = GetSectorForPitch(stateRealGetPointer()->lifeData.compass_pitch);
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
139 if(lastTargetSector == newTargetSector)
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
140 {
383
49a02dea8ae3 Combine variables in a structure to improve readability of code
ideenmodellierer
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diff changeset
141 sectorDetection.target = newTargetSector;
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
142 }
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
143 lastTargetSector = newTargetSector;
383
49a02dea8ae3 Combine variables in a structure to improve readability of code
ideenmodellierer
parents: 381
diff changeset
144 if(sectorDetection.target != sectorDetection.current)
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
145 {
383
49a02dea8ae3 Combine variables in a structure to improve readability of code
ideenmodellierer
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diff changeset
146 if(sectorDetection.target > sectorDetection.current)
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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diff changeset
147 {
383
49a02dea8ae3 Combine variables in a structure to improve readability of code
ideenmodellierer
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diff changeset
148 sectorDetection.current++;
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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diff changeset
149 PitchEvent = DETECT_POS_PITCH;
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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diff changeset
150 }
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
151 else
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
152 {
383
49a02dea8ae3 Combine variables in a structure to improve readability of code
ideenmodellierer
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diff changeset
153 sectorDetection.current--;
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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154 PitchEvent = DETECT_NEG_PITCH;
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
155 }
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
156 }
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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diff changeset
157 return PitchEvent;
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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diff changeset
158 }
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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diff changeset
159
373
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
160 /* Check if pitch is not in center position and trigger a button action if needed */
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diff changeset
161 detectionState_t detectScrollButtonEvent(float curPitch)
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162 {
378
834e087505ec Incremented "idle window" for scroll detection
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163 static uint8_t delayscroll = 0; /* slow down the number of scroll events */
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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diff changeset
164
373
7b981f8bdd41 Add scroll event by pitch angle detection:
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165 uint8_t PitchEvent = DETECT_NOTHING;
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166 uint8_t newSector;
7b981f8bdd41 Add scroll event by pitch angle detection:
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167
7b981f8bdd41 Add scroll event by pitch angle detection:
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168 if(delayscroll == 0)
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169 {
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170 newSector = GetSectorForPitch(stateRealGetPointer()->lifeData.compass_pitch);
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171 /* for scroll detection the motion windoe is split into 6 sectors => set event accoring to the sector number*/
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172 switch(newSector)
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173 {
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diff changeset
174 case 0:
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diff changeset
175 case 1: PitchEvent = DETECT_POS_PITCH;
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diff changeset
176 break;
378
834e087505ec Incremented "idle window" for scroll detection
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diff changeset
177 case 5:
834e087505ec Incremented "idle window" for scroll detection
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178 case 6: PitchEvent = DETECT_NEG_PITCH;
373
7b981f8bdd41 Add scroll event by pitch angle detection:
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179 break;
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diff changeset
180 default:
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
181 break;
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
182 }
7b981f8bdd41 Add scroll event by pitch angle detection:
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183 if(PitchEvent != DETECT_NOTHING)
7b981f8bdd41 Add scroll event by pitch angle detection:
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184 {
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diff changeset
185 delayscroll = 5;
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
186 }
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
187 }
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
188 else
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
189 {
7b981f8bdd41 Add scroll event by pitch angle detection:
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190 delayscroll--;
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
191 }
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
192 return PitchEvent;
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
193 }
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
194
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
195
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
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196 /* Detect if user is generating an pitch including return to starting position */
359
4258ea9b67fa Added new files for motion detection (shaking) detection
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197 /* This is done by feeding the past movements value per value into a state machine */
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
198 detectionState_t detectPitch(float currentPitch)
359
4258ea9b67fa Added new files for motion detection (shaking) detection
ideenmodellierer
parents:
diff changeset
199 {
373
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
200 static uint8_t lastSector = 0;
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
201 static uint8_t startSector = 0;
359
4258ea9b67fa Added new files for motion detection (shaking) detection
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diff changeset
202 static uint8_t stableCnt = 0;
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
203
383
49a02dea8ae3 Combine variables in a structure to improve readability of code
ideenmodellierer
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diff changeset
204 uint8_t curSector;
49a02dea8ae3 Combine variables in a structure to improve readability of code
ideenmodellierer
parents: 381
diff changeset
205
370
77cdfbdaca8c Changed function names from shake to pitch and improved detection function: Shake might be confusing for people reading the code because pitch values are ased for calculation => changed name to pitch to be more transparent
ideenmodellierer
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diff changeset
206 if((detectionState == DETECT_NEG_PITCH) || (detectionState == DETECT_POS_PITCH)) /* discard last detection */
359
4258ea9b67fa Added new files for motion detection (shaking) detection
ideenmodellierer
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diff changeset
207 {
4258ea9b67fa Added new files for motion detection (shaking) detection
ideenmodellierer
parents:
diff changeset
208 detectionState = DETECT_NOTHING;
4258ea9b67fa Added new files for motion detection (shaking) detection
ideenmodellierer
parents:
diff changeset
209 }
363
bdf978d2a5d4 Reworked detection function
ideenmodellierer
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diff changeset
210
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
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diff changeset
211 curSector = GetSectorForPitch(stateRealGetPointer()->lifeData.compass_pitch);
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
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diff changeset
212
7b981f8bdd41 Add scroll event by pitch angle detection:
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diff changeset
213 /* feed value into state machine */
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
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diff changeset
214 switch (detectionState)
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
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diff changeset
215 {
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
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diff changeset
216 case DETECT_NOTHING: if(curSector != lastSector) /* detect a stable condition before evaluating for the next move */
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
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diff changeset
217 {
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
218 stableCnt=0;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
219 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
220
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
221 if(stableCnt > STABLE_STATE_COUNT)
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
222 {
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
223 detectionState = DETECT_START;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
224 stableCnt = 0;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
225 startSector = lastSector;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
226 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
227 break;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
228 case DETECT_START: if(curSector != lastSector)
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
229 {
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
230 if(abs(curSector - startSector) > 1)
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
231 {
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
232 if(curSector > lastSector)
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
233 {
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
234 detectionState = DETECT_POS_MOVE;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
235 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
236 else
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
237 {
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
238 detectionState = DETECT_NEG_MOVE;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
239 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
240 stableCnt = 0;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
241 startSector = lastSector;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
242 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
243 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
244 break;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
245 case DETECT_NEG_MOVE:
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
246 case DETECT_POS_MOVE: if(curSector == lastSector) /* Moved to a max? */
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
247 {
378
834e087505ec Incremented "idle window" for scroll detection
ideenmodellierer
parents: 373
diff changeset
248 if(abs(startSector - curSector) > 2)
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
249 {
378
834e087505ec Incremented "idle window" for scroll detection
ideenmodellierer
parents: 373
diff changeset
250 detectionState++;
834e087505ec Incremented "idle window" for scroll detection
ideenmodellierer
parents: 373
diff changeset
251 stableCnt = 0;
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
252 }
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
253 if(stableCnt > 2)
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
254 {
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
255 detectionState = DETECT_NOTHING;
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
256 stableCnt = 0;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
257 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
258 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
259 break;
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
260 case DETECT_MAXIMA:
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
261 case DETECT_MINIMA: if(curSector != lastSector) /* reset timeout detection */
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
262 {
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
263 detectionState++;
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
264 stableCnt = 0;
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
265 }
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
266 break;
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
267 case DETECT_RISEBACK:
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
268 case DETECT_FALLBACK:
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
269 if(curSector == lastSector) /* check if we are back at start position at end of movement */
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
270 {
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
271 if(abs(startSector - curSector) <= 1)
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
272 {
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
273 if(stableCnt > 2)
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
274 {
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
275 detectionState++;
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
276 stableCnt = 0;
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
277 }
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
278 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
279 }
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
280 break;
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
281 default:
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
282 detectionState = DETECT_NOTHING;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
283 break;
381
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
284 }
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
285 if(detectionState != DETECT_START)
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
286 {
695434a6dcf6 Simplified pitch detection state machine:
ideenmodellierer
parents: 378
diff changeset
287 stableCnt++;
373
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
288 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
289 lastSector = curSector;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
290 if(stableCnt > STABLE_STATE_TIMEOUT)
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
291 {
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
292 detectionState = DETECT_NOTHING;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
293 stableCnt = 0;
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
294 }
7b981f8bdd41 Add scroll event by pitch angle detection:
ideenmodellierer
parents: 371
diff changeset
295
359
4258ea9b67fa Added new files for motion detection (shaking) detection
ideenmodellierer
parents:
diff changeset
296 return detectionState;
4258ea9b67fa Added new files for motion detection (shaking) detection
ideenmodellierer
parents:
diff changeset
297 }