Subversion Repositories NaviCtrl

Rev

Rev 340 | Rev 351 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 340 Rev 342
1
/*#######################################################################################*/
1
/*#######################################################################################*/
2
/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
2
/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
3
/*#######################################################################################*/
3
/*#######################################################################################*/
4
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
5
// + Copyright (c) 2010 Ingo Busker, Holger Buss
5
// + Copyright (c) 2010 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
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
56
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
57
#include "91x_lib.h"
57
#include "91x_lib.h"
58
#include "compass.h"
58
#include "compass.h"
59
#include "mk3mag.h"
59
#include "mk3mag.h"
60
#include "ncmag.h"
60
#include "ncmag.h"
61
#include "spi_slave.h"
61
#include "spi_slave.h"
62
#include "mymath.h"
62
#include "mymath.h"
63
#include "uart1.h"
63
#include "uart1.h"
64
#include "fifo.h"
64
#include "fifo.h"
65
#include "led.h"
65
#include "led.h"
66
#include "main.h"
66
#include "main.h"
67
 
67
 
68
u8 CompassCalStateQueue[10];
68
u8 CompassCalStateQueue[10];
69
fifo_t CompassCalcStateFiFo;
69
fifo_t CompassCalcStateFiFo;
70
 
70
 
71
volatile s16vec_t MagVector;   // is written by mk3mag or ncmag implementation
71
volatile s16vec_t MagVector;   // is written by mk3mag or ncmag implementation
72
volatile s16 Compass_Heading;   // is written by mk3mag or ncmag implementation
72
volatile s16 Compass_Heading;   // is written by mk3mag or ncmag implementation
73
volatile u8  Compass_CalState; // is written by mk3mag or ncmag implementation
73
volatile u8  Compass_CalState; // is written by mk3mag or ncmag implementation
74
s16 Hx = 0, Hy = 0;
74
s16 Hx = 0, Hy = 0;
75
s32 EarthMagneticField = 100;
75
s32 EarthMagneticField = 100;
76
s32 EarthMagneticFieldFiltered = 100;
76
s32 EarthMagneticFieldFiltered = 100;
77
s32 EarthMagneticInclination = 0;
77
s32 EarthMagneticInclination = 0;
78
s32 EarthMagneticInclinationFiltered = 0;
78
s32 EarthMagneticInclinationFiltered = 0;
79
s32 EarthMagneticInclinationTheoretic = 0;
79
s32 EarthMagneticInclinationTheoretic = 0;
80
u8  ErrorDisturbedEarthMagnetField = 0;
80
u8  ErrorDisturbedEarthMagnetField = 0;
-
 
81
s16 EarthMagneticStrengthTheoretic = 0; // in mT (50 in Germany - 22 in Brazil)
81
 
82
 
82
#define COMPASS_NONE    0
83
#define COMPASS_NONE    0
83
#define COMPASS_MK3MAG  1
84
#define COMPASS_MK3MAG  1
84
#define COMPASS_NCMAG   2
85
#define COMPASS_NCMAG   2
85
u8 Compass_Device = COMPASS_NONE;
86
u8 Compass_Device = COMPASS_NONE;
86
 
87
 
87
void Compass_Init(void)
88
void Compass_Init(void)
88
{
89
{
89
        switch(Compass_Device)
90
        switch(Compass_Device)
90
        {
91
        {
91
                case COMPASS_NONE:
92
                case COMPASS_NONE:
92
                        UART1_PutString("\r\n Looking for compass");
93
                        UART1_PutString("\r\n Looking for compass");
-
 
94
                        if(     MK3MAG_Init() ) Compass_Device = COMPASS_MK3MAG;
-
 
95
                        else if( NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
-
 
96
 
93
                        if(Version_HW > 11)
97
/*                      if(Version_HW > 11)
94
                        {
98
                        {
95
                                if(      NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
99
                                if(      NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
96
                                else if( MK3MAG_Init()) Compass_Device = COMPASS_MK3MAG;
100
                                else if( MK3MAG_Init()) Compass_Device = COMPASS_MK3MAG;
97
                        }
101
                        }
98
                        else
102
                        else
99
                        {
103
                        {
100
                                if(     MK3MAG_Init() ) Compass_Device = COMPASS_MK3MAG;
104
                                if(     MK3MAG_Init() ) Compass_Device = COMPASS_MK3MAG;
101
                                else if( NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
105
                                else if( NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
102
                        }
106
                        }
-
 
107
*/
103
                        break;
108
                        break;
104
 
109
 
105
                case COMPASS_NCMAG:
110
                case COMPASS_NCMAG:
106
                        if( NCMAG_Init() )      Compass_Device = COMPASS_NCMAG;
111
                        if( NCMAG_Init() )      Compass_Device = COMPASS_NCMAG;
107
                        else                            Compass_Device = COMPASS_NONE;
112
                        else                            Compass_Device = COMPASS_NONE;
108
                        break;
113
                        break;
109
 
114
 
110
                case COMPASS_MK3MAG:
115
                case COMPASS_MK3MAG:
111
                default:
116
                default:
112
                        // nothing to do
117
                        // nothing to do
113
                        break;
118
                        break;
114
 
119
 
115
        }
120
        }
116
        fifo_init(&CompassCalcStateFiFo, CompassCalStateQueue, sizeof(CompassCalStateQueue), NO_ITLine, NO_ITLine);
121
        fifo_init(&CompassCalcStateFiFo, CompassCalStateQueue, sizeof(CompassCalStateQueue), NO_ITLine, NO_ITLine);
117
}
122
}
118
 
123
 
119
 
124
 
120
void Compass_CalcHeading(void)
125
void Compass_CalcHeading(void)
121
{
126
{
122
        if((UART_VersionInfo.HardwareError[0] & NC_ERROR0_SPI_RX) || Compass_CalState)
127
        if((UART_VersionInfo.HardwareError[0] & NC_ERROR0_SPI_RX) || Compass_CalState)
123
        {
128
        {
124
                Compass_Heading = -1;
129
                Compass_Heading = -1;
125
        }
130
        }
126
        else // fc attitude is avialable and no compass calibration active
131
        else // fc attitude is avialable and no compass calibration active
127
        {
132
        {
128
                // calculate attitude correction
133
                // calculate attitude correction
129
                // a float implementation takes too long
134
                // a float implementation takes too long
130
                s16 tmp;
135
                s16 tmp;
131
                s32 sinnick, cosnick, sinroll, cosroll;
136
                s32 sinnick, cosnick, sinroll, cosroll;
132
                tmp = FromFlightCtrl.AngleNick/10; // in deg
137
                tmp = FromFlightCtrl.AngleNick/10; // in deg
133
                sinnick = (s32)c_sin_8192(tmp);
138
                sinnick = (s32)c_sin_8192(tmp);
134
                cosnick = (s32)c_cos_8192(tmp);
139
                cosnick = (s32)c_cos_8192(tmp);
135
                tmp = FromFlightCtrl.AngleRoll/10; // in deg
140
                tmp = FromFlightCtrl.AngleRoll/10; // in deg
136
                sinroll = (s32)c_sin_8192(tmp);
141
                sinroll = (s32)c_sin_8192(tmp);
137
                cosroll = (s32)c_cos_8192(tmp);
142
                cosroll = (s32)c_cos_8192(tmp);
138
                // tbd. compensation signs and oriantation has to be fixed
143
                // tbd. compensation signs and oriantation has to be fixed
139
                Hx = (s16)((MagVector.Y * cosnick + MagVector.Z * sinnick)/8192L);
144
                Hx = (s16)((MagVector.Y * cosnick + MagVector.Z * sinnick)/8192L);
140
                Hy = (s16)((MagVector.X * cosroll - MagVector.Z * sinroll)/8192L);
145
                Hy = (s16)((MagVector.X * cosroll - MagVector.Z * sinroll)/8192L);
141
                // calculate heading
146
                // calculate heading
142
                tmp = (s16)(c_atan2_546(Hy, Hx)/546L);
147
                tmp = (s16)(c_atan2_546(Hy, Hx)/546L);
143
                if (tmp > 0) tmp = 360 - tmp;
148
                if (tmp > 0) tmp = 360 - tmp;
144
                else tmp = -tmp;
149
                else tmp = -tmp;
145
                Compass_Heading = tmp;
150
                Compass_Heading = tmp;
146
        }
151
        }
147
}
152
}
148
 
153
 
149
 
154
 
150
void Compass_Update(void)
155
void Compass_Update(void)
151
{
156
{
152
static s16vec_t old;  
157
static s16vec_t old;  
153
static u32 check_value_counter = 0;
158
static u32 check_value_counter = 0;
154
        // check for new cal state
159
        // check for new cal state
155
        Compass_UpdateCalState();
160
        Compass_UpdateCalState();
156
        // initiate new compass communication
161
        // initiate new compass communication
157
        switch(Compass_Device)
162
        switch(Compass_Device)
158
        {
163
        {
159
                case COMPASS_MK3MAG:
164
                case COMPASS_MK3MAG:
160
                        MK3MAG_Update();
165
                        MK3MAG_Update();
161
                        DebugOut.Analog[24] = MagVector.X;
166
                        DebugOut.Analog[24] = MagVector.X;
162
                        DebugOut.Analog[25] = MagVector.Y;
167
                        DebugOut.Analog[25] = MagVector.Y;
163
                        DebugOut.Analog[26] = MagVector.Z;
168
                        DebugOut.Analog[26] = MagVector.Z;
164
                        break;
169
                        break;
165
                case COMPASS_NCMAG:
170
                case COMPASS_NCMAG:
166
                        NCMAG_Update();
171
                        NCMAG_Update();
167
                        DebugOut.Analog[24] = MagRawVector.X;
172
                        DebugOut.Analog[24] = MagRawVector.X;
168
                        DebugOut.Analog[25] = MagRawVector.Y;
173
                        DebugOut.Analog[25] = MagRawVector.Y;
169
                        DebugOut.Analog[26] = MagRawVector.Z;
174
                        DebugOut.Analog[26] = MagRawVector.Z;
170
                default:
175
                default:
171
                        break;
176
                        break;
172
        }
177
        }
173
    if(!((old.X == MagVector.X) || (old.Y == MagVector.Y) || (old.Z == MagVector.Z))) check_value_counter = 0; // Values are normally changing
178
    if(!((old.X == MagVector.X) || (old.Y == MagVector.Y) || (old.Z == MagVector.Z))) check_value_counter = 0; // Values are normally changing
174
 
179
 
175
        if(check_value_counter > 5000)
180
        if(check_value_counter > 5000)
176
         {
181
         {
177
          Compass_Heading = -1; // values didn't change for 5 seconds -> probably a compass-fault
182
          Compass_Heading = -1; // values didn't change for 5 seconds -> probably a compass-fault
178
         }
183
         }
179
         else check_value_counter++;
184
         else check_value_counter++;
180
 
185
 
181
        old.X = MagVector.X;
186
        old.X = MagVector.X;
182
        old.Y = MagVector.Y;
187
        old.Y = MagVector.Y;
183
        old.Z = MagVector.Z;
188
        old.Z = MagVector.Z;
184
}
189
}
185
 
190
 
186
// put cal state into fifo
191
// put cal state into fifo
187
void Compass_SetCalState(u8 CalState)
192
void Compass_SetCalState(u8 CalState)
188
{
193
{
189
        fifo_put(&CompassCalcStateFiFo, CalState);
194
        fifo_put(&CompassCalcStateFiFo, CalState);
190
}
195
}
191
 
196
 
192
// get cal state from fifo
197
// get cal state from fifo
193
void Compass_UpdateCalState()
198
void Compass_UpdateCalState()
194
{
199
{
195
        fifo_get(&CompassCalcStateFiFo, (u8*)&Compass_CalState);
200
        fifo_get(&CompassCalcStateFiFo, (u8*)&Compass_CalState);
196
}
201
}
197
 
202
 
198
 
203