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/*#######################################################################################*/
1
/*#######################################################################################*/
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/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
2
/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
3
/*#######################################################################################*/
3
/*#######################################################################################*/
4
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
5
// + Copyright (c) 2008 Ingo Busker, Holger Buss
5
// + Copyright (c) 2008 Ingo Busker, Holger Buss
6
// + Nur für den privaten Gebrauch / NON-COMMERCIAL USE ONLY
6
// + Nur für den privaten Gebrauch / NON-COMMERCIAL USE ONLY
7
// + FOR NON COMMERCIAL USE ONLY
7
// + FOR NON COMMERCIAL USE ONLY
8
// + www.MikroKopter.com
8
// + www.MikroKopter.com
9
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
9
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
10
// + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation),
10
// + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation),
11
// + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist.
11
// + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist.
12
// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt
12
// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt
13
// + bzgl. der Nutzungsbedingungen aufzunehmen.
13
// + bzgl. der Nutzungsbedingungen aufzunehmen.
14
// + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen,
14
// + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen,
15
// + Verkauf von Luftbildaufnahmen, usw.
15
// + Verkauf von Luftbildaufnahmen, usw.
16
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
16
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
17
// + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht,
17
// + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht,
18
// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen
18
// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen
19
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
19
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20
// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts
20
// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts
21
// + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de"
21
// + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de"
22
// + eindeutig als Ursprung verlinkt werden
22
// + eindeutig als Ursprung verlinkt werden
23
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
23
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
24
// + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion
24
// + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion
25
// + Benutzung auf eigene Gefahr
25
// + Benutzung auf eigene Gefahr
26
// + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden
26
// + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden
27
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
27
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
28
// + Die Portierung oder Nutzung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur
28
// + Die Portierung oder Nutzung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur
29
// + mit unserer Zustimmung zulässig
29
// + mit unserer Zustimmung zulässig
30
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
30
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
31
// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen
31
// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen
32
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
32
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
33
// + Redistributions of source code (with or without modifications) must retain the above copyright notice,
33
// + Redistributions of source code (with or without modifications) must retain the above copyright notice,
34
// + this list of conditions and the following disclaimer.
34
// + this list of conditions and the following disclaimer.
35
// +   * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived
35
// +   * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived
36
// +     from this software without specific prior written permission.
36
// +     from this software without specific prior written permission.
37
// +   * The use of this project (hardware, software, binary files, sources and documentation) is only permitted
37
// +   * The use of this project (hardware, software, binary files, sources and documentation) is only permitted
38
// +     for non-commercial use (directly or indirectly)
38
// +     for non-commercial use (directly or indirectly)
39
// +     Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted
39
// +     Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted
40
// +     with our written permission
40
// +     with our written permission
41
// +   * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be
41
// +   * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be
42
// +     clearly linked as origin
42
// +     clearly linked as origin
43
// +   * porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed
43
// +   * porting the sources to other systems or using the software on other systems (except hardware from www.mikrokopter.de) is not allowed
44
//
44
//
45
// +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
45
// +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
46
// +  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46
// +  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47
// +  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47
// +  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48
// +  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
48
// +  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
49
// +  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
49
// +  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
50
// +  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
50
// +  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
51
// +  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
51
// +  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
52
// +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
52
// +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
53
// +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
53
// +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
54
// +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
54
// +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
55
// +  POSSIBILITY OF SUCH DAMAGE.
55
// +  POSSIBILITY OF SUCH DAMAGE.
56
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
57
         
57
         
58
#include <string.h>
58
#include <string.h>
59
#include "91x_lib.h"
59
#include "91x_lib.h"
60
#include "waypoints.h"
60
#include "waypoints.h"
61
#include "uart1.h"
61
#include "uart1.h"
62
 
62
 
63
// the waypoints list
63
// the waypoints list
64
#define MAX_LIST_LEN 31
64
#define MAX_LIST_LEN 31
65
 
65
 
66
Point_t PointList[MAX_LIST_LEN];
66
Point_t PointList[MAX_LIST_LEN];
67
u8 WPIndex = 0;         // list index of GPS point representig the current WP, can be maximal WPCount
67
u8 WPIndex = 0;         // list index of GPS point representig the current WP, can be maximal WPCount
68
u8 POIIndex = 0;        // list index of GPS Point representing the current POI, can be maximal WPCount
68
u8 POIIndex = 0;        // list index of GPS Point representing the current POI, can be maximal WPCount
69
u8 WPCount = 0;         // number of waypoints
69
u8 WPCount = 0;         // number of waypoints
70
u8 PointCount = 0;              // number of wp in the list can be maximal equal to MAX_LIST_LEN
70
u8 PointCount = 0;              // number of wp in the list can be maximal equal to MAX_LIST_LEN
-
 
71
u8 POICount = 0;
71
 
72
 
72
u8 WPActive = TRUE;
73
u8 WPActive = TRUE;
73
 
74
 
74
u8 PointList_Init(void)
75
u8 PointList_Init(void)
75
{
76
{
76
        return PointList_Clear();
77
        return PointList_Clear();
77
}
78
}
78
 
79
 
79
u8 PointList_Clear(void)
80
u8 PointList_Clear(void)
80
{
81
{
81
        u8 i;
82
        u8 i;
82
        WPIndex = 0;    // real list position are 1 ,2, 3 ...
83
        WPIndex = 0;    // real list position are 1 ,2, 3 ...
83
        POIIndex = 0;   // real list position are 1 ,2, 3 ...
84
        POIIndex = 0;   // real list position are 1 ,2, 3 ...
84
        WPCount = 0;    // no waypoints
85
        WPCount = 0;    // no waypoints
-
 
86
    POICount = 0;
85
        PointCount = 0; // no contents
87
        PointCount = 0; // no contents
86
        WPActive = TRUE;
88
        WPActive = TRUE;
87
        NaviData.WaypointNumber = WPCount;
89
        NaviData.WaypointNumber = WPCount;
88
        NaviData.WaypointIndex = 0;
90
        NaviData.WaypointIndex = 0;
89
 
91
 
90
        for(i = 0; i < MAX_LIST_LEN; i++)
92
        for(i = 0; i < MAX_LIST_LEN; i++)
91
        {
93
        {
92
                PointList[i].Position.Status = INVALID;
94
                PointList[i].Position.Status = INVALID;
93
                PointList[i].Position.Latitude = 0;
95
                PointList[i].Position.Latitude = 0;
94
                PointList[i].Position.Longitude = 0;
96
                PointList[i].Position.Longitude = 0;
95
                PointList[i].Position.Altitude = 0;
97
                PointList[i].Position.Altitude = 0;
96
                PointList[i].Heading = 361;             // invalid value
98
                PointList[i].Heading = 361;             // invalid value
97
                PointList[i].ToleranceRadius = 0;       // in meters, if the MK is within that range around the target, then the next target is triggered
99
                PointList[i].ToleranceRadius = 0;       // in meters, if the MK is within that range around the target, then the next target is triggered
98
                PointList[i].HoldTime = 0;                      // in seconds, if the was once in the tolerance area around a WP, this time defines the delay before the next WP is triggered
100
                PointList[i].HoldTime = 0;                      // in seconds, if the was once in the tolerance area around a WP, this time defines the delay before the next WP is triggered
99
                PointList[i].Event_Flag = 0;            // future implementation
101
                PointList[i].Event_Flag = 0;            // future implementation
100
                PointList[i].Type = POINT_TYPE_INVALID;
102
                PointList[i].Type = POINT_TYPE_INVALID;
101
        }
103
        }
102
        return TRUE;           
104
        return TRUE;           
103
}
105
}
104
 
106
 
105
u8 PointList_GetCount(void)
107
u8 PointList_GetCount(void)
106
{
108
{
107
        return PointCount; // number of points in the list
109
        return PointCount; // number of points in the list
108
}
110
}
109
 
111
 
110
u8 PointList_Append(Point_t* pPoint)
112
u8 PointList_Append(Point_t* pPoint)
111
{
113
{
112
        if((PointCount < MAX_LIST_LEN) && (pPoint->Index == (PointCount + 1)) ) // there is still some space in the list and index points to next
114
        if((PointCount < MAX_LIST_LEN) && (pPoint->Index == (PointCount + 1)) ) // there is still some space in the list and index points to next
113
        {
115
        {
114
                memcpy(&PointList[PointCount], pPoint, sizeof(Point_t)); // copy data to list entry                                                                             // increment list length
116
                memcpy(&PointList[PointCount], pPoint, sizeof(Point_t)); // copy data to list entry                                                                             // increment list length
115
                if(PointList[PointCount].Type == POINT_TYPE_WP) WPCount++;
117
                if(PointList[PointCount].Type == POINT_TYPE_WP) WPCount++;
-
 
118
                if(PointList[PointCount].Type == POINT_TYPE_POI) POICount++;
116
                NaviData.WaypointNumber = WPCount;
119
                NaviData.WaypointNumber = WPCount;
117
                PointCount++;
120
                PointCount++;
118
                if(PointCount == 1) // only for the first entry
121
                if(PointCount == 1) // only for the first entry
119
                {
122
                {
120
                        // update POI index
123
                        // update POI index
121
                        switch(PointList[WPIndex-1].Type)
124
                        switch(PointList[WPIndex-1].Type)
122
                        {
125
                        {
123
                                case POINT_TYPE_WP:
126
                                case POINT_TYPE_WP:
124
                                        if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
127
                                        if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
125
                                        else POIIndex = 0;
128
                                        else POIIndex = 0;
126
                                        break;
129
                                        break;
127
                               
130
                               
128
                                case POINT_TYPE_POI:
131
                                case POINT_TYPE_POI:
129
                                        POIIndex = 1;
132
                                        POIIndex = 1;
-
 
133
                                        POICount = 1;
130
                                        break;
134
                                        break;
131
 
135
 
132
                                default:
136
                                default:
133
                                        POIIndex = 0;
137
                                        POIIndex = 0;
134
                                        break;
138
                                        break;
135
                        }              
139
                        }              
136
                }
140
                }
137
                return TRUE;
141
                return TRUE;
138
        }
142
        }
139
        else return FALSE;
143
        else return FALSE;
140
}
144
}
141
 
145
 
142
// returns the pointer to the first waypoint within the list
146
// returns the pointer to the first waypoint within the list
143
Point_t* PointList_WPBegin(void)
147
Point_t* PointList_WPBegin(void)
144
{
148
{
145
        u8 i;
149
        u8 i;
146
        WPIndex = 0; // set list position invalid
150
        WPIndex = 0; // set list position invalid
147
        POIIndex = 0; // set invalid POI
-
 
148
 
-
 
149
        if(WPActive == FALSE) return(NULL);
151
        if(WPActive == FALSE) return(NULL);
150
 
-
 
-
 
152
        POIIndex = 0; // set invalid POI
151
        if(PointCount > 0)
153
        if(PointCount > 0)
152
        {
154
        {
153
                // search for first wp in list
155
                // search for first wp in list
154
                for(i = 0; i <PointCount; i++)
156
                for(i = 0; i <PointCount; i++)
155
                {
157
                {
156
                        if((PointList[i].Type == POINT_TYPE_WP) && (PointList[i].Position.Status != INVALID))
158
                        if((PointList[i].Type == POINT_TYPE_WP) && (PointList[i].Position.Status != INVALID))
157
                        {
159
                        {
158
                                WPIndex = i + 1;
160
                                WPIndex = i + 1;
159
                                break;
161
                                break;
160
                        }
162
                        }
161
                }
163
                }
162
                if(WPIndex) // found a WP in the list
164
                if(WPIndex) // found a WP in the list
163
                {
165
                {
164
                        NaviData.WaypointIndex = 1;
166
                        NaviData.WaypointIndex = 1;
165
                        // update index to POI
167
                        // update index to POI
166
                        if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
168
                        if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
167
                        else POIIndex = 0;     
169
                        else POIIndex = 0;     
168
                        return(&(PointList[WPIndex-1])); // if list is not empty return pointer to first waypoint in the list           
170
                        return(&(PointList[WPIndex-1])); // if list is not empty return pointer to first waypoint in the list           
169
                }
171
                }
170
                else // some points in the list but no WP found
172
                else // some points in the list but no WP found
171
                {
173
                {
172
                        NaviData.WaypointIndex = 0;
174
                        NaviData.WaypointIndex = 0;
173
                        //Check for an existing POI
175
                        //Check for an existing POI
174
                        for(i = 0; i < PointCount; i++)
176
                        for(i = 0; i < PointCount; i++)
175
                        {
177
                        {
176
                                if((PointList[i].Type == POINT_TYPE_POI) && (PointList[i].Position.Status != INVALID))
178
                                if((PointList[i].Type == POINT_TYPE_POI) && (PointList[i].Position.Status != INVALID))
177
                                {
179
                                {
178
                                        POIIndex = i + 1;
180
                                        POIIndex = i + 1;
179
                                        break;
181
                                        break;
180
                                }
182
                                }
181
                        }
183
                        }
182
                        return NULL;
184
                        return NULL;
183
                }
185
                }
184
        }
186
        }
185
        else // no point in the list
187
        else // no point in the list
186
        {
188
        {
187
                POIIndex = 0;
189
                POIIndex = 0;
188
                NaviData.WaypointIndex = 0;
190
                NaviData.WaypointIndex = 0;
189
                return NULL;   
191
                return NULL;   
190
        }
192
        }
191
}
193
}
192
 
194
 
193
// returns the last waypoint
195
// returns the last waypoint
194
Point_t* PointList_WPEnd(void)
196
Point_t* PointList_WPEnd(void)
195
{
197
{
196
       
198
       
197
        u8 i;
199
        u8 i;
198
        WPIndex = 0; // set list position invalid
200
        WPIndex = 0; // set list position invalid
199
        POIIndex = 0; // set invalid
201
        POIIndex = 0; // set invalid
-
 
202
 
200
        if(WPActive == FALSE) return(NULL);
203
        if(WPActive == FALSE) return(NULL);
201
 
204
 
202
        if(PointCount > 0)
205
        if(PointCount > 0)
203
        {
206
        {
204
                // search backward!
207
                // search backward!
205
                for(i = 1; i <= PointCount; i++)
208
                for(i = 1; i <= PointCount; i++)
206
                {
209
                {
207
                        if((PointList[PointCount - i].Type == POINT_TYPE_WP) && (PointList[PointCount - i].Position.Status != INVALID))
210
                        if((PointList[PointCount - i].Type == POINT_TYPE_WP) && (PointList[PointCount - i].Position.Status != INVALID))
208
                        {      
211
                        {      
209
                                WPIndex = PointCount - i + 1;
212
                                WPIndex = PointCount - i + 1;
210
                                break;
213
                                break;
211
                        }
214
                        }
212
                }
215
                }
213
                if(WPIndex) // found a WP within the list
216
                if(WPIndex) // found a WP within the list
214
                {
217
                {
215
                        NaviData.WaypointIndex = WPCount;
218
                        NaviData.WaypointIndex = WPCount;
216
                        if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
219
                        if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
217
                        else POIIndex = 0;     
220
                        else POIIndex = 0;     
218
                        return(&(PointList[WPIndex-1]));
221
                        return(&(PointList[WPIndex-1]));
219
                }
222
                }
220
                else // list contains some points but no WP in the list
223
                else // list contains some points but no WP in the list
221
                {
224
                {
222
                        // search backward for a POI!
225
                        // search backward for a POI!
223
                        for(i = 1; i <= PointCount; i++)
226
                        for(i = 1; i <= PointCount; i++)
224
                        {
227
                        {
225
                                if((PointList[PointCount - i].Type == POINT_TYPE_POI) && (PointList[PointCount - i].Position.Status != INVALID))
228
                                if((PointList[PointCount - i].Type == POINT_TYPE_POI) && (PointList[PointCount - i].Position.Status != INVALID))
226
                                {      
229
                                {      
227
                                        POIIndex = PointCount - i + 1;
230
                                        POIIndex = PointCount - i + 1;
228
                                        break;
231
                                        break;
229
                                }
232
                                }
230
                        }
233
                        }
231
                        NaviData.WaypointIndex = 0;
234
                        NaviData.WaypointIndex = 0;
232
                        return NULL;   
235
                        return NULL;   
233
                }
236
                }
234
        }
237
        }
235
        else // no point in the list
238
        else // no point in the list
236
        {
239
        {
237
                POIIndex = 0;
240
                POIIndex = 0;
238
                NaviData.WaypointIndex = 0;
241
                NaviData.WaypointIndex = 0;
239
                return NULL;
242
                return NULL;
240
        }
243
        }
241
}
244
}
242
 
245
 
243
// returns a pointer to the next waypoint or NULL if the end of the list has been reached
246
// returns a pointer to the next waypoint or NULL if the end of the list has been reached
244
Point_t* PointList_WPNext(void)
247
Point_t* PointList_WPNext(void)
245
{
248
{
246
        u8 wp_found = 0;
249
        u8 wp_found = 0;
247
        if(WPActive == FALSE) return(NULL);
250
        if(WPActive == FALSE) return(NULL);
248
               
251
               
249
        if(WPIndex < PointCount) // if there is a next entry in the list
252
        if(WPIndex < PointCount) // if there is a next entry in the list
250
        {
253
        {
251
                u8 i;
254
                u8 i;
252
                for(i = WPIndex; i < PointCount; i++)   // start search for next at next list entry
255
                for(i = WPIndex; i < PointCount; i++)   // start search for next at next list entry
253
                {
256
                {
254
                        if((PointList[i].Type == POINT_TYPE_WP) && (PointList[i].Position.Status != INVALID)) // jump over POIs
257
                        if((PointList[i].Type == POINT_TYPE_WP) && (PointList[i].Position.Status != INVALID)) // jump over POIs
255
                        {
258
                        {
256
                                wp_found = i+1;
259
                                wp_found = i+1;
257
                                break;
260
                                break;
258
                        }
261
                        }
259
                }
262
                }
260
        }
263
        }
261
        if(wp_found)
264
        if(wp_found)
262
        {
265
        {
263
                WPIndex = wp_found; // update list position
266
                WPIndex = wp_found; // update list position
264
                NaviData.WaypointIndex++;
267
                NaviData.WaypointIndex++;
265
                if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
268
                if(PointList[WPIndex-1].Heading < 0) POIIndex = (u8)(-PointList[WPIndex-1].Heading);
266
                else POIIndex = 0;
269
                else POIIndex = 0;
267
                return(&(PointList[WPIndex-1]));        // return pointer to this waypoint
270
                return(&(PointList[WPIndex-1]));        // return pointer to this waypoint
268
        }
271
        }
269
        else
272
        else
270
        {  // no next wp found
273
        {  // no next wp found
271
                NaviData.WaypointIndex = 0;    
274
                NaviData.WaypointIndex = 0;    
272
                POIIndex = 0;
275
                POIIndex = 0;
273
                return(NULL);
276
                return(NULL);
274
        }
277
        }
275
}      
278
}      
276
 
279
 
277
void PointList_WPActive(u8 set)
280
void PointList_WPActive(u8 set)
278
{
281
{
279
        if(set) WPActive = TRUE;
282
        if(set) WPActive = TRUE;
280
        else WPActive = FALSE;
283
        else WPActive = FALSE;
281
}
284
}
282
 
285
 
283
Point_t* PointList_GetAt(u8 index)
286
Point_t* PointList_GetAt(u8 index)
284
{
287
{
285
        if((index > 0) && (index <= PointCount)) return(&(PointList[index-1])); // return pointer to this waypoint
288
        if((index > 0) && (index <= PointCount)) return(&(PointList[index-1])); // return pointer to this waypoint
286
        else return(NULL);
289
        else return(NULL);
287
}
290
}
288
 
291
 
289
Point_t* PointList_GetPOI(void)
292
Point_t* PointList_GetPOI(void)
290
{
293
{
291
        return PointList_GetAt(POIIndex);      
294
        return PointList_GetAt(POIIndex);      
292
}
295
}
293
 
296
 
294
 
297