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/*#######################################################################################*/
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/*#######################################################################################*/
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/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
2
/* !!! THIS IS NOT FREE SOFTWARE !!!                                                     */
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/*#######################################################################################*/
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/*#######################################################################################*/
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
5
// + Copyright (c) 2010 Ingo Busker, Holger Buss
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// + 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
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + 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.
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// + 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.
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// + bzgl. der Nutzungsbedingungen aufzunehmen.
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// + 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,
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// + Verkauf von Luftbildaufnahmen, usw.
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// + Verkauf von Luftbildaufnahmen, usw.
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + 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
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// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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
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// +     with our written permission
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// +     with our written permission
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// +   * 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
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// +     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
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//
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//
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// +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// +  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
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// +  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
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// +  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.
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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#include "91x_lib.h"
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#include "91x_lib.h"
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#include "compass.h"
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#include "compass.h"
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#include "mk3mag.h"
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#include "mk3mag.h"
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#include "ncmag.h"
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#include "ncmag.h"
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#include "spi_slave.h"
61
#include "spi_slave.h"
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#include "mymath.h"
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#include "mymath.h"
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#include "uart1.h"
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#include "uart1.h"
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#include "fifo.h"
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#include "fifo.h"
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#include "led.h"
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#include "led.h"
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#include "main.h"
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#include "main.h"
67
 
67
 
68
 
68
 
69
u8 CompassCalStateQueue[10];
69
u8 CompassCalStateQueue[10];
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fifo_t CompassCalcStateFiFo;
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fifo_t CompassCalcStateFiFo;
71
 
71
 
72
volatile s16vec_t MagVector;   // is written by mk3mag or ncmag implementation
72
volatile s16vec_t MagVector;   // is written by mk3mag or ncmag implementation
73
volatile s16 Compass_Heading;   // is written by mk3mag or ncmag implementation
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volatile s16 Compass_Heading;   // is written by mk3mag or ncmag implementation
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volatile u8  Compass_CalState; // is written by mk3mag or ncmag implementation
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volatile u8  Compass_CalState; // is written by mk3mag or ncmag implementation
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75
 
76
#define COMPASS_NONE    0
76
#define COMPASS_NONE    0
77
#define COMPASS_MK3MAG  1
77
#define COMPASS_MK3MAG  1
78
#define COMPASS_NCMAG   2
78
#define COMPASS_NCMAG   2
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u8 Compass_Device = COMPASS_NONE;
79
u8 Compass_Device = COMPASS_NONE;
80
 
80
 
81
void Compass_Init(void)
81
void Compass_Init(void)
82
{
82
{
83
        switch(Compass_Device)
83
        switch(Compass_Device)
84
        {
84
        {
85
                case COMPASS_NONE:
85
                case COMPASS_NONE:
86
                        UART1_PutString("\r\n Looking for compass");
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                        UART1_PutString("\r\n Looking for compass");
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                        if(Version_HW > 11)
87
                        if(Version_HW > 11)
88
                        {
88
                        {
89
                                if(      NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
89
                                if(      NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
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                                else if( MK3MAG_Init()) Compass_Device = COMPASS_MK3MAG;
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                                else if( MK3MAG_Init()) Compass_Device = COMPASS_MK3MAG;
91
                        }
91
                        }
92
                        else
92
                        else
93
                        {
93
                        {
94
                                if(     MK3MAG_Init() ) Compass_Device = COMPASS_MK3MAG;
94
                                if(     MK3MAG_Init() ) Compass_Device = COMPASS_MK3MAG;
95
                                else if( NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
95
                                else if( NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
96
                        }
96
                        }
97
                        break;
97
                        break;
98
       
98
       
99
                case COMPASS_NCMAG:
99
                case COMPASS_NCMAG:
100
                        if( NCMAG_Init() )      Compass_Device = COMPASS_NCMAG;
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                        if( NCMAG_Init() )      Compass_Device = COMPASS_NCMAG;
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                        else                            Compass_Device = COMPASS_NONE;                
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                        else                            Compass_Device = COMPASS_NONE;                
102
                        break;
102
                        break;
103
 
103
 
104
                case COMPASS_MK3MAG:
104
                case COMPASS_MK3MAG:
105
                default:
105
                default:
106
                        // nothing to do
106
                        // nothing to do
107
                        break;
107
                        break;
108
 
108
 
109
        }
109
        }
110
        fifo_init(&CompassCalcStateFiFo, CompassCalStateQueue, sizeof(CompassCalStateQueue), NO_ITLine, NO_ITLine);
110
        fifo_init(&CompassCalcStateFiFo, CompassCalStateQueue, sizeof(CompassCalStateQueue), NO_ITLine, NO_ITLine);
111
}
111
}
112
 
112
 
113
 
113
 
114
void Compass_CalcHeading(void)
114
void Compass_CalcHeading(void)
115
{
115
{
116
        if((UART_VersionInfo.HardwareError[0] & NC_ERROR0_SPI_RX) || Compass_CalState)
116
        if((UART_VersionInfo.HardwareError[0] & NC_ERROR0_SPI_RX) || Compass_CalState)
117
        {
117
        {
118
                Compass_Heading = -1;
118
                Compass_Heading = -1;
119
        }
119
        }
120
        else // fc attitude is avialable and no compass calibration active
120
        else // fc attitude is avialable and no compass calibration active
121
        {
121
        {
122
                // calculate attitude correction
122
                // calculate attitude correction
123
                // a float implementation takes too long
123
                // a float implementation takes too long
124
                s16 tmp, Hx, Hy;
124
                s16 tmp, Hx, Hy;
125
                s32 sinnick, cosnick, sinroll, cosroll;
125
                s32 sinnick, cosnick, sinroll, cosroll;
126
               
126
               
127
                tmp = FromFlightCtrl.AngleNick/10; // in deg 
127
                tmp = FromFlightCtrl.AngleNick/10; // in deg 
128
                sinnick = (s32)c_sin_8192(tmp);
128
                sinnick = (s32)c_sin_8192(tmp);
129
                cosnick = (s32)c_cos_8192(tmp);
129
                cosnick = (s32)c_cos_8192(tmp);
130
                tmp = FromFlightCtrl.AngleRoll/10; // in deg 
130
                tmp = FromFlightCtrl.AngleRoll/10; // in deg 
131
                sinroll = (s32)c_sin_8192(tmp);
131
                sinroll = (s32)c_sin_8192(tmp);
132
                cosroll = (s32)c_cos_8192(tmp);
132
                cosroll = (s32)c_cos_8192(tmp);
133
                // tbd. compensation signs and oriantation has to be fixed 
133
                // tbd. compensation signs and oriantation has to be fixed 
134
                Hx = (s16)((MagVector.Y * cosnick + MagVector.Z * sinnick)/8192L);
134
                Hx = (s16)((MagVector.Y * cosnick + MagVector.Z * sinnick)/8192L);
135
                Hy = (s16)((MagVector.X * cosroll - MagVector.Z * sinroll)/8192L);             
135
                Hy = (s16)((MagVector.X * cosroll - MagVector.Z * sinroll)/8192L);             
136
                // calculate heading
136
                // calculate heading
137
                tmp = (s16)(c_tan2_546(Hy, Hx)/546L);
137
                tmp = (s16)(c_atan2_546(Hy, Hx)/546L);
138
                if (tmp > 0) tmp = 360 - tmp;
138
                if (tmp > 0) tmp = 360 - tmp;
139
                else tmp = -tmp;
139
                else tmp = -tmp;
140
                Compass_Heading = tmp;
140
                Compass_Heading = tmp;
141
        }
141
        }
142
}
142
}
143
 
143
 
144
void Compass_Update(void)
144
void Compass_Update(void)
145
{
145
{
146
        // check for new cal state
146
        // check for new cal state
147
        Compass_UpdateCalState();
147
        Compass_UpdateCalState();
148
        // initiate new compass communication
148
        // initiate new compass communication
149
        switch(Compass_Device)
149
        switch(Compass_Device)
150
        {
150
        {
151
                case COMPASS_MK3MAG:
151
                case COMPASS_MK3MAG:
152
                        MK3MAG_Update();
152
                        MK3MAG_Update();
153
                        break;
153
                        break;
154
                case COMPASS_NCMAG:
154
                case COMPASS_NCMAG:
155
                        NCMAG_Update();
155
                        NCMAG_Update();
156
                default:
156
                default:
157
                        break;
157
                        break;
158
        }
158
        }
159
}
159
}
160
 
160
 
161
// put cal state into fifo
161
// put cal state into fifo
162
void Compass_SetCalState(u8 CalState)
162
void Compass_SetCalState(u8 CalState)
163
{
163
{
164
        fifo_put(&CompassCalcStateFiFo, CalState);     
164
        fifo_put(&CompassCalcStateFiFo, CalState);     
165
}
165
}
166
 
166
 
167
// get cal state from fifo
167
// get cal state from fifo
168
void Compass_UpdateCalState()
168
void Compass_UpdateCalState()
169
{
169
{
170
        fifo_get(&CompassCalcStateFiFo, (u8*)&Compass_CalState);       
170
        fifo_get(&CompassCalcStateFiFo, (u8*)&Compass_CalState);       
171
}
171
}
172
 
172
 
173
 
173