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1 ingob 1
/*#######################################################################################
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Flight Control
3
#######################################################################################*/
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// + Copyright (c) 04.2007 Holger Buss
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// + Nur für den privaten Gebrauch
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// + www.MikroKopter.com
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 9
// + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation),
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// + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist.
11
// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt
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// + bzgl. der Nutzungsbedingungen aufzunehmen.
1 ingob 13
// + 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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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 16
// + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht,
1 ingob 17
// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen
18
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
19
// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts
20
// + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de"
21
// + eindeutig als Ursprung verlinkt werden
22
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
23
// + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion
24
// + Benutzung auf eigene Gefahr
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// + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 27
// + Die Portierung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur
1 ingob 28
// + mit unserer Zustimmung zulässig
29
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
30
// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 32
// + Redistributions of source code (with or without modifications) must retain the above copyright notice,
1 ingob 33
// + this list of conditions and the following disclaimer.
34
// +   * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived
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// +     from this software without specific prior written permission.
886 killagreg 36
// +   * The use of this project (hardware, software, binary files, sources and documentation) is only permittet
1 ingob 37
// +     for non-commercial use (directly or indirectly)
886 killagreg 38
// +     Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted
1 ingob 39
// +     with our written permission
886 killagreg 40
// +   * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be
41
// +     clearly linked as origin
831 hbuss 42
// +   * porting to systems other than hardware from www.mikrokopter.de is not allowed
1 ingob 43
// +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
44
// +  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45
// +  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
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// +  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// +  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// +  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
492 hbuss 50
// +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN// +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1 ingob 51
// +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
886 killagreg 52
// +  POSSIBILITY OF SUCH DAMAGE.
1 ingob 53
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 54
#include <stdlib.h>
55
#include <avr/io.h>
1 ingob 56
 
57
#include "main.h"
886 killagreg 58
#include "eeprom.h"
59
#include "timer0.h"
60
#include "_Settings.h"
61
#include "analog.h"
62
#include "fc.h"
63
#include "uart.h"
64
#include "rc.h"
65
#include "twimaster.h"
66
#include "timer2.h"
67
#ifdef USE_KILLAGREG
68
#include "mm3.h"
69
#include "gps.h"
70
#endif
908 killagreg 71
#ifdef USE_MK3MAG
886 killagreg 72
#include "mk3mag.h"
908 killagreg 73
#include "gps.h"
886 killagreg 74
#endif
75
#include "led.h"
1 ingob 76
 
886 killagreg 77
volatile uint16_t I2CTimeout = 100;
78
// gyro readings
911 killagreg 79
volatile int16_t Reading_GyroNick, Reading_GyroRoll, Reading_GyroYaw;
886 killagreg 80
// gyro neutral readings
911 killagreg 81
volatile int16_t AdNeutralNick = 0, AdNeutralRoll = 0, AdNeutralYaw = 0;
82
volatile int16_t StartNeutralRoll = 0, StartNeutralNick = 0;
886 killagreg 83
// mean accelerations
911 killagreg 84
volatile int16_t Mean_AccNick, Mean_AccRoll, Mean_AccTop;
886 killagreg 85
 
86
// neutral acceleration readings
87
volatile int16_t NeutralAccX=0, NeutralAccY=0;
1 ingob 88
volatile float NeutralAccZ = 0;
89
 
886 killagreg 90
// attitude gyro integrals
911 killagreg 91
volatile int32_t IntegralNick = 0,IntegralNick2 = 0;
886 killagreg 92
volatile int32_t IntegralRoll = 0,IntegralRoll2 = 0;
93
volatile int32_t IntegralYaw = 0;
911 killagreg 94
volatile int32_t Reading_IntegralGyroNick = 0, Reading_IntegralGyroNick2 = 0;
886 killagreg 95
volatile int32_t Reading_IntegralGyroRoll = 0,  Reading_IntegralGyroRoll2 = 0;
96
volatile int32_t Reading_IntegralGyroYaw = 0;
911 killagreg 97
volatile int32_t MeanIntegralNick;
886 killagreg 98
volatile int32_t MeanIntegralRoll;
1 ingob 99
 
886 killagreg 100
// attitude acceleration integrals
911 killagreg 101
volatile int32_t IntegralAccNick = 0, IntegralAccRoll = 0;
886 killagreg 102
volatile int32_t Reading_Integral_Top = 0;
103
 
104
// compass course
105
volatile int16_t CompassHeading = -1; // negative angle indicates invalid data.
106
volatile int16_t CompassCourse = -1;
107
volatile int16_t CompassOffCourse = 0;
108
volatile uint8_t CompassCalState = 0;
109
uint8_t FunnelCourse = 0;
110
uint16_t BadCompassHeading = 500;
111
int32_t YawGyroHeading;
112
int16_t YawGyroDrift;
113
 
114
 
911 killagreg 115
int16_t NaviAccNick = 0, NaviAccRoll = 0, NaviCntAcc = 0;
886 killagreg 116
 
117
 
118
// flags
119
uint8_t MotorsOn = 0;
120
uint8_t EmergencyLanding = 0;
121
uint16_t Model_Is_Flying = 0;
122
 
911 killagreg 123
int32_t TurnOver180Nick = 250000L, TurnOver180Roll = 250000L;
886 killagreg 124
 
125
float Gyro_P_Factor;
126
float Gyro_I_Factor;
127
 
911 killagreg 128
volatile int16_t  DiffNick, DiffRoll;
886 killagreg 129
 
130
int16_t  Poti1 = 0, Poti2 = 0, Poti3 = 0, Poti4 = 0, Poti5 = 0, Poti6 = 0, Poti7 = 0, Poti8 = 0;
131
 
132
// setpoints for motors
133
volatile uint8_t Motor_Front, Motor_Rear, Motor_Right, Motor_Left;
134
 
135
// stick values derived by rc channels readings
911 killagreg 136
int16_t StickNick = 0, StickRoll = 0, StickYaw = 0, StickGas = 0;
137
int16_t GPS_Nick = 0, GPS_Roll = 0;
886 killagreg 138
 
911 killagreg 139
int16_t MaxStickNick = 0, MaxStickRoll = 0;
886 killagreg 140
// stick values derived by uart inputs
911 killagreg 141
int16_t ExternStickNick = 0, ExternStickRoll = 0, ExternStickYaw = 0, ExternHeightValue = -20;
886 killagreg 142
 
143
 
144
 
145
 
146
int16_t ReadingHeight = 0;
147
int16_t SetPointHeight = 0;
148
 
911 killagreg 149
int16_t AttitudeCorrectionRoll = 0, AttitudeCorrectionNick = 0;
886 killagreg 150
 
151
float Ki =  FACTOR_I;
152
 
911 killagreg 153
uint8_t Looping_Nick = 0, Looping_Roll = 0;
886 killagreg 154
uint8_t Looping_Left = 0, Looping_Right = 0, Looping_Down = 0, Looping_Top = 0;
155
 
156
 
157
fc_param_t FCParam = {48,251,16,58,64,150,150,2,10,0,0,0,0,0,0,0,0,100,70,0,0,100};
158
 
159
 
160
/************************************************************************/
161
/*  Creates numbeeps beeps at the speaker                               */
162
/************************************************************************/
163
void Beep(uint8_t numbeeps)
1 ingob 164
{
886 killagreg 165
        while(numbeeps--)
166
        {
167
                if(MotorsOn) return; //auf keinen Fall im Flug!
168
                BeepTime = 100; // 0.1 second
169
                Delay_ms(250); // blocks 250 ms as pause to next beep,
170
                // this will block the flight control loop,
171
                // therefore do not use this funktion if motors are running
172
        }
1 ingob 173
}
174
 
886 killagreg 175
/************************************************************************/
176
/*  Neutral Readings                                                    */
177
/************************************************************************/
1 ingob 178
void SetNeutral(void)
179
{
886 killagreg 180
        NeutralAccX = 0;
1 ingob 181
        NeutralAccY = 0;
182
        NeutralAccZ = 0;
911 killagreg 183
    AdNeutralNick = 0;
886 killagreg 184
        AdNeutralRoll = 0;
185
        AdNeutralYaw = 0;
186
    FCParam.Yaw_PosFeedback = 0;
187
    FCParam.Yaw_NegFeedback = 0;
188
    CalibMean();
395 hbuss 189
    Delay_ms_Mess(100);
886 killagreg 190
        CalibMean();
191
    if((ParamSet.GlobalConfig & CFG_HEIGHT_CONTROL))  // Height Control activated?
513 hbuss 192
    {
886 killagreg 193
                if((ReadingAirPressure > 950) || (ReadingAirPressure < 750)) SearchAirPressureOffset();
513 hbuss 194
    }
911 killagreg 195
        AdNeutralNick = AdValueGyrNick;
886 killagreg 196
        AdNeutralRoll  = AdValueGyrRoll;
197
        AdNeutralYaw   = AdValueGyrYaw;
198
        StartNeutralRoll  = AdNeutralRoll;
911 killagreg 199
        StartNeutralNick = AdNeutralNick;
200
    if(GetParamWord(PID_ACC_NICK) > 1023)
513 hbuss 201
    {
886 killagreg 202
                NeutralAccY = abs(Mean_AccRoll) / ACC_AMPLIFY;
911 killagreg 203
                NeutralAccX = abs(Mean_AccNick) / ACC_AMPLIFY;
886 killagreg 204
                NeutralAccZ = Current_AccZ;
513 hbuss 205
    }
886 killagreg 206
    else
207
    {
911 killagreg 208
                NeutralAccX = (int16_t)GetParamWord(PID_ACC_NICK);
886 killagreg 209
            NeutralAccY = (int16_t)GetParamWord(PID_ACC_ROLL);
210
            NeutralAccZ = (int16_t)GetParamWord(PID_ACC_Z);
211
    }
911 killagreg 212
        Reading_IntegralGyroNick = 0;
213
    Reading_IntegralGyroNick2 = 0;
886 killagreg 214
    Reading_IntegralGyroRoll = 0;
215
    Reading_IntegralGyroRoll2 = 0;
216
    Reading_IntegralGyroYaw = 0;
911 killagreg 217
    Reading_GyroNick = 0;
886 killagreg 218
    Reading_GyroRoll = 0;
219
    Reading_GyroYaw = 0;
220
    StartAirPressure = AirPressure;
221
    HeightD = 0;
222
    Reading_Integral_Top = 0;
223
    CompassCourse = CompassHeading;
224
    BeepTime = 50;
911 killagreg 225
        TurnOver180Nick = ((int32_t) ParamSet.AngleTurnOverNick * 2500L) +15000L;
886 killagreg 226
        TurnOver180Roll =  ((int32_t) ParamSet.AngleTurnOverRoll *  2500L) +15000L;
227
    ExternHeightValue = 0;
911 killagreg 228
    GPS_Nick = 0;
886 killagreg 229
    GPS_Roll = 0;
230
    YawGyroHeading = CompassHeading * YAW_GYRO_DEG_FACTOR;
231
    YawGyroDrift = 0;
1 ingob 232
}
233
 
886 killagreg 234
/************************************************************************/
235
/*  Averaging Measurement Readings                                      */
236
/************************************************************************/
237
void Mean(void)
238
{
239
    static int32_t tmpl,tmpl2;
401 hbuss 240
 
886 killagreg 241
 // Get offset corrected gyro readings (~ to angular velocity)
242
    Reading_GyroYaw   = AdNeutralYaw    - AdValueGyrYaw;
243
    Reading_GyroRoll  = AdValueGyrRoll  - AdNeutralRoll;
911 killagreg 244
    Reading_GyroNick = AdValueGyrNick - AdNeutralNick;
604 hbuss 245
 
886 killagreg 246
// Acceleration Sensor
247
        // sliding average sensor readings
911 killagreg 248
        Mean_AccNick = ((int32_t)Mean_AccNick * 1 + ((ACC_AMPLIFY * (int32_t)AdValueAccNick))) / 2L;
886 killagreg 249
        Mean_AccRoll  = ((int32_t)Mean_AccRoll * 1 + ((ACC_AMPLIFY * (int32_t)AdValueAccRoll))) / 2L;
250
        Mean_AccTop   = ((int32_t)Mean_AccTop * 1 + ((int32_t)AdValueAccTop)) / 2L;
251
 
252
        // sum sensor readings for later averaging
911 killagreg 253
    IntegralAccNick += ACC_AMPLIFY * AdValueAccNick;
886 killagreg 254
    IntegralAccRoll  += ACC_AMPLIFY * AdValueAccRoll;
255
 
911 killagreg 256
    NaviAccNick += AdValueAccNick;
886 killagreg 257
    NaviAccRoll  += AdValueAccRoll;
805 hbuss 258
    NaviCntAcc++;
882 hbuss 259
 
886 killagreg 260
// Yaw
261
        // calculate yaw gyro integral (~ to rotation angle)
262
        Reading_IntegralGyroYaw  += Reading_GyroYaw;
263
        YawGyroHeading += Reading_GyroYaw;
264
    if(YawGyroHeading >= (360L * YAW_GYRO_DEG_FACTOR)) YawGyroHeading -= 360L * YAW_GYRO_DEG_FACTOR;  // 360° Wrap
265
        if(YawGyroHeading < 0)                             YawGyroHeading += 360L * YAW_GYRO_DEG_FACTOR;
395 hbuss 266
 
1 ingob 267
 
886 killagreg 268
        // Coupling fraction
911 killagreg 269
        if(!Looping_Nick && !Looping_Roll && (ParamSet.GlobalConfig & CFG_AXIS_COUPLING_ACTIVE))
886 killagreg 270
        {
911 killagreg 271
                tmpl = (Reading_GyroYaw * Reading_IntegralGyroNick) / 2048L;
886 killagreg 272
                tmpl *= FCParam.Yaw_PosFeedback;
273
                tmpl /= 4096L;
274
                tmpl2 = ( Reading_GyroYaw * Reading_IntegralGyroRoll) / 2048L;
275
                tmpl2 *= FCParam.Yaw_PosFeedback;
276
                tmpl2 /= 4096L;
277
                if(labs(tmpl) > 128 || labs(tmpl2) > 128) FunnelCourse = 1;
278
        }
279
        else  tmpl = tmpl2 = 0;
280
 
281
// Roll
282
        Reading_GyroRoll += tmpl;
283
        Reading_GyroRoll += (tmpl2 * FCParam.Yaw_NegFeedback) / 512L;
284
        Reading_IntegralGyroRoll2 += Reading_GyroRoll;
285
        Reading_IntegralGyroRoll +=  Reading_GyroRoll - AttitudeCorrectionRoll;
286
        if(Reading_IntegralGyroRoll > TurnOver180Roll)
287
        {
288
                Reading_IntegralGyroRoll  = -(TurnOver180Roll - 10000L);
289
                Reading_IntegralGyroRoll2 = Reading_IntegralGyroRoll;
290
        }
291
        if(Reading_IntegralGyroRoll < -TurnOver180Roll)
292
        {
293
                Reading_IntegralGyroRoll =  (TurnOver180Roll - 10000L);
294
                Reading_IntegralGyroRoll2 = Reading_IntegralGyroRoll;
295
        }
296
        if(AdValueGyrRoll < 15)   Reading_GyroRoll = -1000;
297
        if(AdValueGyrRoll <  7)   Reading_GyroRoll = -2000;
298
        if(BoardRelease == 10)
299
        {
300
                if(AdValueGyrRoll > 1010) Reading_GyroRoll = +1000;
301
                if(AdValueGyrRoll > 1017) Reading_GyroRoll = +2000;
302
        }
303
        else
304
        {
305
                if(AdValueGyrRoll > 2020) Reading_GyroRoll = +1000;
306
                if(AdValueGyrRoll > 2034) Reading_GyroRoll = +2000;
307
        }
911 killagreg 308
// Nick
309
        Reading_GyroNick -= tmpl2;
310
        Reading_GyroNick -= (tmpl*FCParam.Yaw_NegFeedback) / 512L;
311
        Reading_IntegralGyroNick2 += Reading_GyroNick;
312
        Reading_IntegralGyroNick  += Reading_GyroNick - AttitudeCorrectionNick;
313
        if(Reading_IntegralGyroNick > TurnOver180Nick)
886 killagreg 314
        {
911 killagreg 315
         Reading_IntegralGyroNick = -(TurnOver180Nick - 25000L);
316
         Reading_IntegralGyroNick2 = Reading_IntegralGyroNick;
886 killagreg 317
        }
911 killagreg 318
        if(Reading_IntegralGyroNick < -TurnOver180Nick)
886 killagreg 319
        {
911 killagreg 320
         Reading_IntegralGyroNick =  (TurnOver180Nick - 25000L);
321
         Reading_IntegralGyroNick2 = Reading_IntegralGyroNick;
886 killagreg 322
        }
911 killagreg 323
        if(AdValueGyrNick < 15)   Reading_GyroNick = -1000;
324
        if(AdValueGyrNick <  7)   Reading_GyroNick = -2000;
886 killagreg 325
        if(BoardRelease == 10)
326
        {
911 killagreg 327
                if(AdValueGyrNick > 1010) Reading_GyroNick = +1000;
328
                if(AdValueGyrNick > 1017) Reading_GyroNick = +2000;
886 killagreg 329
        }
330
        else
331
        {
911 killagreg 332
                if(AdValueGyrNick > 2020) Reading_GyroNick = +1000;
333
                if(AdValueGyrNick > 2034) Reading_GyroNick = +2000;
886 killagreg 334
        }
335
 
336
// start ADC again to capture measurement values for the next loop
337
    ADC_Enable();
338
 
339
    IntegralYaw    = Reading_IntegralGyroYaw;
911 killagreg 340
    IntegralNick  = Reading_IntegralGyroNick;
886 killagreg 341
    IntegralRoll   = Reading_IntegralGyroRoll;
911 killagreg 342
    IntegralNick2 = Reading_IntegralGyroNick2;
886 killagreg 343
    IntegralRoll2  = Reading_IntegralGyroRoll2;
344
 
911 killagreg 345
        if((ParamSet.GlobalConfig & CFG_ROTARY_RATE_LIMITER) && !Looping_Nick && !Looping_Roll)
886 killagreg 346
        {
911 killagreg 347
                if(Reading_GyroNick > 200)       Reading_GyroNick += 4 * (Reading_GyroNick - 200);
348
                else if(Reading_GyroNick < -200) Reading_GyroNick += 4 * (Reading_GyroNick + 200);
886 killagreg 349
                if(Reading_GyroRoll > 200)        Reading_GyroRoll  += 4 * (Reading_GyroRoll - 200);
350
                else if(Reading_GyroRoll < -200)  Reading_GyroRoll  += 4 * (Reading_GyroRoll + 200);
351
        }
1 ingob 352
}
353
 
886 killagreg 354
/************************************************************************/
355
/*  Averaging Measurement Readings  for Calibration                     */
356
/************************************************************************/
357
void CalibMean(void)
358
{
359
    // stop ADC to avoid changing values during calculation
360
        ADC_Disable();
395 hbuss 361
 
911 killagreg 362
        Reading_GyroNick = AdValueGyrNick;
886 killagreg 363
        Reading_GyroRoll  = AdValueGyrRoll;
364
        Reading_GyroYaw   = AdValueGyrYaw;
365
 
911 killagreg 366
        Mean_AccNick = ACC_AMPLIFY * (int32_t)AdValueAccNick;
886 killagreg 367
        Mean_AccRoll  = ACC_AMPLIFY * (int32_t)AdValueAccRoll;
368
        Mean_AccTop   = (int32_t)AdValueAccTop;
369
    // start ADC (enables internal trigger so that the ISR in analog.c
370
    // updates the readings once)
371
    ADC_Enable();
372
 
911 killagreg 373
        TurnOver180Nick = (int32_t) ParamSet.AngleTurnOverNick * 2500L;
886 killagreg 374
        TurnOver180Roll =  (int32_t) ParamSet.AngleTurnOverRoll  * 2500L;
1 ingob 375
}
376
 
886 killagreg 377
/************************************************************************/
378
/*  Transmit Motor Data via I2C                                         */
379
/************************************************************************/
1 ingob 380
void SendMotorData(void)
886 killagreg 381
{
382
    if(MOTOR_OFF || !MotorsOn)
383
    {
384
        Motor_Rear = 0;
385
        Motor_Front = 0;
386
        Motor_Right = 0;
387
        Motor_Left = 0;
388
        if(MotorTest[0]) Motor_Front = MotorTest[0];
389
        if(MotorTest[1]) Motor_Rear  = MotorTest[1];
390
        if(MotorTest[2]) Motor_Left  = MotorTest[2];
391
        if(MotorTest[3]) Motor_Right = MotorTest[3];
392
     }
1 ingob 393
 
886 killagreg 394
    DebugOut.Analog[12] = Motor_Front;
395
    DebugOut.Analog[13] = Motor_Rear;
396
    DebugOut.Analog[14] = Motor_Left;
397
    DebugOut.Analog[15] = Motor_Right;
1 ingob 398
 
399
    //Start I2C Interrupt Mode
400
    twi_state = 0;
401
    motor = 0;
886 killagreg 402
    I2C_Start();
1 ingob 403
}
404
 
405
 
406
 
886 killagreg 407
/************************************************************************/
408
/*  Maps the parameter to poti values                                   */
409
/************************************************************************/
410
void ParameterMapping(void)
1 ingob 411
{
886 killagreg 412
        if(RC_Quality > 160) // do the mapping of RC-Potis only if the rc-signal is ok
413
        // else the last updated values are used
414
        {
415
                 //update poti values by rc-signals
416
                #define CHK_POTI(b,a,min,max) { if(a > 250) { if(a == 251) b = Poti1; else if(a == 252) b = Poti2; else if(a == 253) b = Poti3; else if(a == 254) b = Poti4;} else b = a; if(b <= min) b = min; else if(b >= max) b = max;}
417
                CHK_POTI(FCParam.MaxHeight,ParamSet.MaxHeight,0,255);
418
                CHK_POTI(FCParam.Height_D,ParamSet.Height_D,0,100);
419
                CHK_POTI(FCParam.Height_P,ParamSet.Height_P,0,100);
420
                CHK_POTI(FCParam.Height_ACC_Effect,ParamSet.Height_ACC_Effect,0,255);
421
                CHK_POTI(FCParam.CompassYawEffect,ParamSet.CompassYawEffect,0,255);
422
                CHK_POTI(FCParam.Gyro_P,ParamSet.Gyro_P,10,255);
423
                CHK_POTI(FCParam.Gyro_I,ParamSet.Gyro_I,0,255);
424
                CHK_POTI(FCParam.I_Factor,ParamSet.I_Factor,0,255);
425
                CHK_POTI(FCParam.UserParam1,ParamSet.UserParam1,0,255);
426
                CHK_POTI(FCParam.UserParam2,ParamSet.UserParam2,0,255);
427
                CHK_POTI(FCParam.UserParam3,ParamSet.UserParam3,0,255);
428
                CHK_POTI(FCParam.UserParam4,ParamSet.UserParam4,0,255);
429
                CHK_POTI(FCParam.UserParam5,ParamSet.UserParam5,0,255);
430
                CHK_POTI(FCParam.UserParam6,ParamSet.UserParam6,0,255);
431
                CHK_POTI(FCParam.UserParam7,ParamSet.UserParam7,0,255);
432
                CHK_POTI(FCParam.UserParam8,ParamSet.UserParam8,0,255);
911 killagreg 433
                CHK_POTI(FCParam.ServoNickControl,ParamSet.ServoNickControl,0,255);
434
                CHK_POTI(FCParam.LoopGasLimit,ParamSet.LoopGasLimit,0,255);
886 killagreg 435
                CHK_POTI(FCParam.Yaw_PosFeedback,ParamSet.Yaw_PosFeedback,0,255);
436
                CHK_POTI(FCParam.Yaw_NegFeedback,ParamSet.Yaw_NegFeedback,0,255);
437
                CHK_POTI(FCParam.DynamicStability,ParamSet.DynamicStability,0,255);
438
                Ki = (float) FCParam.I_Factor * FACTOR_I;
439
        }
440
}
1 ingob 441
 
442
 
886 killagreg 443
void SetCompassCalState(void)
444
{
445
        static uint8_t stick = 1;
446
 
911 killagreg 447
    // if nick is centered or top set stick to zero
448
        if(PPM_in[ParamSet.ChannelAssignment[CH_NICK]] > -20) stick = 0;
449
        // if nick is down trigger to next cal state
450
        if((PPM_in[ParamSet.ChannelAssignment[CH_NICK]] < -70) && !stick)
886 killagreg 451
        {
452
                stick = 1;
453
                CompassCalState++;
454
                if(CompassCalState < 5) Beep(CompassCalState);
455
                else BeepTime = 1000;
456
        }
1 ingob 457
}
458
 
459
 
819 hbuss 460
 
886 killagreg 461
/************************************************************************/
462
/*  MotorControl                                                        */
463
/************************************************************************/
464
void MotorControl(void)
1 ingob 465
{
886 killagreg 466
        int16_t MotorValue, pd_result, h, tmp_int;
911 killagreg 467
        int16_t YawMixFraction, GasMixFraction;
468
        static int32_t SumNick = 0, SumRoll = 0;
886 killagreg 469
        static int32_t SetPointYaw = 0;
911 killagreg 470
        static int32_t IntegralErrorNick = 0;
886 killagreg 471
        static int32_t IntegralErrorRoll = 0;
472
        static uint16_t RcLostTimer;
473
        static uint8_t delay_neutral = 0, delay_startmotors = 0, delay_stopmotors = 0;
474
        static uint8_t HeightControlActive = 0;
911 killagreg 475
        static int16_t HeightControlGas = 0;
886 killagreg 476
        static int8_t TimerDebugOut = 0;
477
        static uint16_t UpdateCompassCourse = 0;
911 killagreg 478
        static int32_t CorrectionNick, CorrectionRoll;
1 ingob 479
 
886 killagreg 480
        Mean();
481
        GRN_ON;
1 ingob 482
 
886 killagreg 483
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 484
// determine gas value
886 killagreg 485
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 486
        GasMixFraction = StickGas;
487
    if(GasMixFraction < ParamSet.Gas_Min + 10) GasMixFraction = ParamSet.Gas_Min + 10;
886 killagreg 488
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
489
// RC-signal is bad
490
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
491
        if(RC_Quality < 120)  // the rc-frame signal is not reveived or noisy
492
        {
493
                if(!PcAccess) // if also no PC-Access via UART
494
                {
495
                        if(BeepModulation == 0xFFFF)
496
                        {
497
                         BeepTime = 15000; // 1.5 seconds
498
                         BeepModulation = 0x0C00;
499
                        }
500
                }
501
                if(RcLostTimer) RcLostTimer--; // decremtent timer after rc sigal lost
502
                else // rc lost countdown finished
503
                {
504
                  MotorsOn = 0; // stop all motors
505
                  EmergencyLanding = 0; // emergency landing is over
506
                }
507
                ROT_ON; // set red led
508
                if(Model_Is_Flying > 1000)  // wahrscheinlich in der Luft --> langsam absenken
509
                {
911 killagreg 510
                        GasMixFraction = ParamSet.EmergencyGas; // set emergency gas
886 killagreg 511
                        EmergencyLanding = 1; // enable emergency landing
512
                        // set neutral rc inputs
911 killagreg 513
                        PPM_diff[ParamSet.ChannelAssignment[CH_NICK]] = 0;
886 killagreg 514
                        PPM_diff[ParamSet.ChannelAssignment[CH_ROLL]] = 0;
515
                        PPM_diff[ParamSet.ChannelAssignment[CH_YAW]] = 0;
911 killagreg 516
                        PPM_in[ParamSet.ChannelAssignment[CH_NICK]] = 0;
886 killagreg 517
                        PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] = 0;
518
                        PPM_in[ParamSet.ChannelAssignment[CH_YAW]] = 0;
519
                }
520
                else MotorsOn = 0; // switch of all motors
521
        } // eof RC_Quality < 120
522
        else
523
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
524
// RC-signal is good
525
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
526
        if(RC_Quality > 140)
527
        {
528
                EmergencyLanding = 0; // switch off emergency landing if RC-signal is okay
529
                // reset emergency timer
911 killagreg 530
                RcLostTimer = ParamSet.EmergencyGasDuration * 50;
531
                if(GasMixFraction > 40)
886 killagreg 532
                {
533
                        if(Model_Is_Flying < 0xFFFF) Model_Is_Flying++;
534
                }
535
                if(Model_Is_Flying < 256)
536
                {
911 killagreg 537
                        SumNick = 0;
886 killagreg 538
                        SumRoll = 0;
539
                        StickYaw = 0;
540
                        if(Model_Is_Flying == 250) UpdateCompassCourse = 1;
541
                }
604 hbuss 542
 
886 killagreg 543
                if(Poti1 < PPM_in[ParamSet.ChannelAssignment[CH_POTI1]] + 110) Poti1++; else if(Poti1 > PPM_in[ParamSet.ChannelAssignment[CH_POTI1]] + 110 && Poti1) Poti1--;
544
                if(Poti2 < PPM_in[ParamSet.ChannelAssignment[CH_POTI2]] + 110) Poti2++; else if(Poti2 > PPM_in[ParamSet.ChannelAssignment[CH_POTI2]] + 110 && Poti2) Poti2--;
545
                if(Poti3 < PPM_in[ParamSet.ChannelAssignment[CH_POTI3]] + 110) Poti3++; else if(Poti3 > PPM_in[ParamSet.ChannelAssignment[CH_POTI3]] + 110 && Poti3) Poti3--;
546
                if(Poti4 < PPM_in[ParamSet.ChannelAssignment[CH_POTI4]] + 110) Poti4++; else if(Poti4 > PPM_in[ParamSet.ChannelAssignment[CH_POTI4]] + 110 && Poti4) Poti4--;
547
                //PPM24-Extension
548
                if(Poti5 < PPM_in[9] + 110)  Poti5++; else if(Poti5 >  PPM_in[9] + 110 && Poti5) Poti5--;
549
                if(Poti6 < PPM_in[10] + 110) Poti6++; else if(Poti6 > PPM_in[10] + 110 && Poti6) Poti6--;
550
                if(Poti7 < PPM_in[11] + 110) Poti7++; else if(Poti7 > PPM_in[11] + 110 && Poti7) Poti7--;
551
                if(Poti8 < PPM_in[12] + 110) Poti8++; else if(Poti8 > PPM_in[12] + 110 && Poti8) Poti8--;
552
                //limit poti values
553
                if(Poti1 < 0) Poti1 = 0; else if(Poti1 > 255) Poti1 = 255;
554
                if(Poti2 < 0) Poti2 = 0; else if(Poti2 > 255) Poti2 = 255;
555
                if(Poti3 < 0) Poti3 = 0; else if(Poti3 > 255) Poti3 = 255;
556
                if(Poti4 < 0) Poti4 = 0; else if(Poti4 > 255) Poti4 = 255;
557
                //PPM24-Extension
558
                if(Poti5 < 0) Poti5 = 0; else if(Poti5 > 255) Poti5 = 255;
559
                if(Poti6 < 0) Poti6 = 0; else if(Poti6 > 255) Poti6 = 255;
560
                if(Poti7 < 0) Poti7 = 0; else if(Poti7 > 255) Poti7 = 255;
561
                if(Poti8 < 0) Poti8 = 0; else if(Poti8 > 255) Poti8 = 255;
723 hbuss 562
 
911 killagreg 563
                // if motors are off and the gas stick is in the upper position
564
                if((PPM_in[ParamSet.ChannelAssignment[CH_GAS]] > 80) && MotorsOn == 0)
886 killagreg 565
                {
566
                        // and if the yaw stick is in the leftmost position
567
                        if(PPM_in[ParamSet.ChannelAssignment[CH_YAW]] > 75)
568
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
569
// calibrate the neutral readings of all attitude sensors
570
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
571
                        {
911 killagreg 572
                                // gas/yaw joystick is top left
886 killagreg 573
                                //  _________
574
                                // |x        |
575
                                // |         |
576
                                // |         |
577
                                // |         |
578
                                // |         |
579
                                //  ¯¯¯¯¯¯¯¯¯
580
                                if(++delay_neutral > 200)  // not immediately (wait 200 loops = 200 * 2ms = 0.4 s)
581
                                {
582
                                        delay_neutral = 0;
583
                                        GRN_OFF;
584
                                        Model_Is_Flying = 0;
911 killagreg 585
                                        // check roll/nick stick position
586
                                        // if nick stick is top or roll stick is left or right --> change parameter setting
587
                                        // according to roll/nick stick position
588
                                        if(PPM_in[ParamSet.ChannelAssignment[CH_NICK]] > 70 || abs(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]]) > 70)
886 killagreg 589
                                        {
590
                                                 uint8_t setting = 1; // default
911 killagreg 591
                                                 // nick/roll joystick
886 killagreg 592
                                                 //  _________
593
                                                 // |2   3   4|
594
                                                 // |         |
595
                                                 // |1       5|
596
                                                 // |         |
597
                                                 // |         |
598
                                                 //  ¯¯¯¯¯¯¯¯¯
911 killagreg 599
                                                 // roll stick leftmost and nick stick centered --> setting 1
600
                                                 if(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] > 70 && PPM_in[ParamSet.ChannelAssignment[CH_NICK]] < 70) setting = 1;
601
                                                 // roll stick leftmost and nick stick topmost --> setting 2
602
                                                 if(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] > 70 && PPM_in[ParamSet.ChannelAssignment[CH_NICK]] > 70) setting = 2;
603
                                                 // roll stick centered an nick stick topmost --> setting 3
604
                                                 if(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] < 70 && PPM_in[ParamSet.ChannelAssignment[CH_NICK]] > 70) setting = 3;
605
                                                 // roll stick rightmost and nick stick topmost --> setting 4
606
                                                 if(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] <-70 && PPM_in[ParamSet.ChannelAssignment[CH_NICK]] > 70) setting = 4;
607
                                                 // roll stick rightmost and nick stick centered --> setting 5
608
                                                 if(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] <-70 && PPM_in[ParamSet.ChannelAssignment[CH_NICK]] < 70) setting = 5;
886 killagreg 609
                                                 // update active parameter set in eeprom
610
                                                 SetActiveParamSet(setting);
611
                                                 ParamSet_ReadFromEEProm(GetActiveParamSet());
612
                                                 SetNeutral();
613
                                                 Beep(GetActiveParamSet());
614
                                        }
615
                                        else
616
                                        {
617
                                                if((ParamSet.GlobalConfig & CFG_COMPASS_ACTIVE))
618
                                                {
911 killagreg 619
                                                        // if roll stick is centered and nick stick is down
620
                                                        if (abs(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]]) < 20 && PPM_in[ParamSet.ChannelAssignment[CH_NICK]] < -70)
886 killagreg 621
                                                        {
911 killagreg 622
                                                                // nick/roll joystick
886 killagreg 623
                                                                //  _________
624
                                                                // |         |
625
                                                                // |         |
626
                                                                // |         |
627
                                                                // |         |
628
                                                                // |    x    |
629
                                                                //  ¯¯¯¯¯¯¯¯¯
630
                                                                // enable calibration state of compass
631
                                                                CompassCalState = 1;
632
                                                                BeepTime = 1000;
633
                                                        }
911 killagreg 634
                                                        else // nick and roll are centered
886 killagreg 635
                                                        {
636
                                                                ParamSet_ReadFromEEProm(GetActiveParamSet());
637
                                                                SetNeutral();
638
                                                                Beep(GetActiveParamSet());
639
                                                        }
640
                                                }
911 killagreg 641
                                                else // nick and roll are centered
886 killagreg 642
                                                {
643
                                                        ParamSet_ReadFromEEProm(GetActiveParamSet());
644
                                                        SetNeutral();
645
                                                        Beep(GetActiveParamSet());
646
                                                }
647
                                        }
648
                                }
649
                        }
650
                        // and if the yaw stick is in the rightmost position
651
                        // save the ACC neutral setting to eeprom
652
                        else if(PPM_in[ParamSet.ChannelAssignment[CH_YAW]] < -75)
653
                        {
654
                                if(++delay_neutral > 200)  // not immediately (wait 200 loops = 200 * 2ms = 0.4 s)
655
                                {
656
                                        delay_neutral = 0;
657
                                        GRN_OFF;
911 killagreg 658
                                        SetParamWord(PID_ACC_NICK, 0xFFFF); // make value invalid
886 killagreg 659
                                        Model_Is_Flying = 0;
660
                                        SetNeutral();
661
                                        // Save ACC neutral settings to eeprom
911 killagreg 662
                                        SetParamWord(PID_ACC_NICK, (uint16_t)NeutralAccX);
886 killagreg 663
                                        SetParamWord(PID_ACC_ROLL,  (uint16_t)NeutralAccY);
664
                                        SetParamWord(PID_ACC_Z,     (uint16_t)NeutralAccZ);
665
                                        Beep(GetActiveParamSet());
666
                                }
667
                        }
668
                        else delay_neutral = 0;
669
                }
670
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 671
// gas stick is down
886 killagreg 672
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 673
                if(PPM_in[ParamSet.ChannelAssignment[CH_GAS]] < -85)
886 killagreg 674
                {
675
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
676
// and yaw stick is rightmost --> start motors
677
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
678
                        if(PPM_in[ParamSet.ChannelAssignment[CH_YAW]] < -75)
679
                        {
680
                                if(++delay_startmotors > 200) // not immediately (wait 200 loops = 200 * 2ms = 0.4 s)
681
                                {
682
                                        delay_startmotors = 200; // do not repeat if once executed
683
                                        Model_Is_Flying = 1;
684
                                        MotorsOn = 1;
685
                                        SetPointYaw = 0;
686
                                        Reading_IntegralGyroYaw = 0;
911 killagreg 687
                                        Reading_IntegralGyroNick = 0;
886 killagreg 688
                                        Reading_IntegralGyroRoll = 0;
911 killagreg 689
                                        Reading_IntegralGyroNick2 = IntegralNick;
886 killagreg 690
                                        Reading_IntegralGyroRoll2 = IntegralRoll;
911 killagreg 691
                                        SumNick = 0;
886 killagreg 692
                                        SumRoll = 0;
908 killagreg 693
                                        #if defined (USE_KILLAGREG) || defined (USE_MK3MAG)
886 killagreg 694
                                        if(ParamSet.GlobalConfig & CFG_GPS_ACTIVE)
695
                                        {
696
                                                GPS_SetHomePosition();
697
                                        }
698
                                        #endif
699
                                }
700
                        }
701
                        else delay_startmotors = 0; // reset delay timer if sticks are not in this position
702
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
703
// and yaw stick is leftmost --> stop motors
704
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
705
                        if(PPM_in[ParamSet.ChannelAssignment[CH_YAW]] > 75)
706
                                {
707
                                if(++delay_stopmotors > 200)  // not immediately (wait 200 loops = 200 * 2ms = 0.4 s)
708
                                {
709
                                        delay_stopmotors = 200; // do not repeat if once executed
710
                                        Model_Is_Flying = 0;
711
                                        MotorsOn = 0;
908 killagreg 712
                                        #if defined (USE_KILLAGREG) || defined (USE_MK3MAG)
886 killagreg 713
                                        if(ParamSet.GlobalConfig & CFG_GPS_ACTIVE)
714
                                        {
715
                                                GPS_ClearHomePosition();
716
                                        }
717
                                        #endif
718
                                }
719
                        }
720
                        else delay_stopmotors = 0; // reset delay timer if sticks are not in this position
721
                }
722
                        // remapping of paameters only if the signal rc-sigbnal conditions are good
723
        } // eof RC_Quality > 150
724
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
725
// new values from RC
726
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
727
        if(!NewPpmData-- || EmergencyLanding) // NewData = 0 means new data from RC
728
        {
729
                int tmp_int;
730
                ParameterMapping(); // remapping params (online poti replacement)
731
                // calculate Stick inputs by rc channels (P) and changing of rc channels (D)
911 killagreg 732
                StickNick = (StickNick * 3 + PPM_in[ParamSet.ChannelAssignment[CH_NICK]] * ParamSet.Stick_P) / 4;
733
                StickNick += PPM_diff[ParamSet.ChannelAssignment[CH_NICK]] * ParamSet.Stick_D;
734
                StickNick -= (GPS_Nick);
723 hbuss 735
 
886 killagreg 736
                StickRoll = (StickRoll * 3 + PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] * ParamSet.Stick_P) / 4;
737
                StickRoll += PPM_diff[ParamSet.ChannelAssignment[CH_ROLL]] * ParamSet.Stick_D;
738
                StickRoll -= (GPS_Roll);
595 hbuss 739
 
911 killagreg 740
                // direct mapping of yaw and gas
886 killagreg 741
                StickYaw = -PPM_in[ParamSet.ChannelAssignment[CH_YAW]];
911 killagreg 742
                StickGas  = PPM_in[ParamSet.ChannelAssignment[CH_GAS]] + 120;// shift to positive numbers
1 ingob 743
 
886 killagreg 744
                // update gyro control loop factors
745
                Gyro_P_Factor = ((float) FCParam.Gyro_P + 10.0) / (256.0 / STICK_GAIN);
746
                Gyro_I_Factor = ((float) FCParam.Gyro_I) / (44000 / STICK_GAIN);
747
 
595 hbuss 748
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 749
// Digital Control via DubWise
595 hbuss 750
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
492 hbuss 751
 
886 killagreg 752
                #define KEY_VALUE (FCParam.UserParam8 * 4) // step width
753
                if(DubWiseKeys[1]) BeepTime = 10;
754
                if(DubWiseKeys[1] & DUB_KEY_UP)  tmp_int = KEY_VALUE;
755
                else if(DubWiseKeys[1] & DUB_KEY_DOWN)  tmp_int = -KEY_VALUE;
756
                else tmp_int = 0;
911 killagreg 757
                ExternStickNick = (ExternStickNick * 7 + tmp_int) / 8;
886 killagreg 758
                if(DubWiseKeys[1] & DUB_KEY_LEFT)  tmp_int = KEY_VALUE;
759
                else if(DubWiseKeys[1] & DUB_KEY_RIGHT) tmp_int = -KEY_VALUE;
760
                else tmp_int = 0;
761
                ExternStickRoll = (ExternStickRoll * 7 + tmp_int) / 8;
492 hbuss 762
 
886 killagreg 763
                if(DubWiseKeys[0] & 8)  ExternStickYaw = 50;else
764
                if(DubWiseKeys[0] & 4)  ExternStickYaw =-50;else ExternStickYaw = 0;
765
                if(DubWiseKeys[0] & 2)  ExternHeightValue++;
766
                if(DubWiseKeys[0] & 16) ExternHeightValue--;
767
 
911 killagreg 768
                StickNick += (STICK_GAIN * ExternStickNick) / 8;
886 killagreg 769
                StickRoll  += (STICK_GAIN * ExternStickRoll) / 8;
770
                StickYaw   += (STICK_GAIN * ExternStickYaw);
771
 
595 hbuss 772
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 773
//+ Analog control via serial communication
595 hbuss 774
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
492 hbuss 775
 
886 killagreg 776
                if(ExternControl.Config & 0x01 && FCParam.UserParam8 > 128)
777
                {
911 killagreg 778
                         StickNick += (int16_t) ExternControl.Nick * (int16_t) ParamSet.Stick_P;
886 killagreg 779
                         StickRoll += (int16_t) ExternControl.Roll * (int16_t) ParamSet.Stick_P;
780
                         StickYaw += ExternControl.Yaw;
781
                         ExternHeightValue =  (int16_t) ExternControl.Height * (int16_t)ParamSet.Height_Gain;
911 killagreg 782
                         if(ExternControl.Gas < StickGas) StickGas = ExternControl.Gas;
886 killagreg 783
                }
911 killagreg 784
                if(StickGas < 0) StickGas = 0;
723 hbuss 785
 
886 killagreg 786
                // disable I part of gyro control feedback
787
                if(ParamSet.GlobalConfig & CFG_HEADING_HOLD) Gyro_I_Factor =  0;
788
                // avoid negative scaling factors
789
                if(Gyro_P_Factor < 0) Gyro_P_Factor = 0;
790
                if(Gyro_I_Factor < 0) Gyro_I_Factor = 0;
723 hbuss 791
 
886 killagreg 792
 
911 killagreg 793
                // update max stick positions for nick and roll
886 killagreg 794
 
911 killagreg 795
                if(abs(StickNick / STICK_GAIN) > MaxStickNick) MaxStickNick = abs(StickNick)/STICK_GAIN;
796
                else MaxStickNick--;
886 killagreg 797
                if(abs(StickRoll / STICK_GAIN) > MaxStickRoll) MaxStickRoll = abs(StickRoll)/STICK_GAIN;
798
                else MaxStickRoll--;
799
 
800
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
173 holgerb 801
// Looping?
886 killagreg 802
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
173 holgerb 803
 
886 killagreg 804
                if((PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] > ParamSet.LoopThreshold) && ParamSet.LoopConfig & CFG_LOOP_LEFT)  Looping_Left = 1;
805
                else
806
                {
807
                        if(Looping_Left) // Hysteresis
808
                        {
809
                                if((PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] < (ParamSet.LoopThreshold - ParamSet.LoopHysteresis))) Looping_Left = 0;
810
                        }
811
                }
812
                if((PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] < -ParamSet.LoopThreshold) && ParamSet.LoopConfig & CFG_LOOP_RIGHT) Looping_Right = 1;
813
                else
814
                {
815
                        if(Looping_Right) // Hysteresis
816
                        {
817
                                if(PPM_in[ParamSet.ChannelAssignment[CH_ROLL]] > -(ParamSet.LoopThreshold - ParamSet.LoopHysteresis)) Looping_Right = 0;
818
                        }
819
                }
395 hbuss 820
 
911 killagreg 821
                if((PPM_in[ParamSet.ChannelAssignment[CH_NICK]] > ParamSet.LoopThreshold) && ParamSet.LoopConfig & CFG_LOOP_UP) Looping_Top = 1;
886 killagreg 822
                else
823
                {
824
                        if(Looping_Top)  // Hysteresis
825
                        {
911 killagreg 826
                                if((PPM_in[ParamSet.ChannelAssignment[CH_NICK]] < (ParamSet.LoopThreshold - ParamSet.LoopHysteresis))) Looping_Top = 0;
886 killagreg 827
                        }
828
                }
911 killagreg 829
                if((PPM_in[ParamSet.ChannelAssignment[CH_NICK]] < -ParamSet.LoopThreshold) && ParamSet.LoopConfig & CFG_LOOP_DOWN) Looping_Down = 1;
886 killagreg 830
                else
831
                {
832
                        if(Looping_Down) // Hysteresis
833
                        {
911 killagreg 834
                                if(PPM_in[ParamSet.ChannelAssignment[CH_NICK]] > -(ParamSet.LoopThreshold - ParamSet.LoopHysteresis)) Looping_Down = 0;
886 killagreg 835
                        }
836
                }
395 hbuss 837
 
886 killagreg 838
                if(Looping_Left || Looping_Right)   Looping_Roll = 1; else Looping_Roll = 0;
911 killagreg 839
                if(Looping_Top  || Looping_Down) {Looping_Nick = 1; Looping_Roll = 0; Looping_Left = 0; Looping_Right = 0;} else Looping_Nick = 0;
886 killagreg 840
        } // End of new RC-Values or Emergency Landing
173 holgerb 841
 
395 hbuss 842
 
911 killagreg 843
        if(Looping_Roll || Looping_Nick)
886 killagreg 844
        {
911 killagreg 845
                if(GasMixFraction > ParamSet.LoopGasLimit) GasMixFraction = ParamSet.LoopGasLimit;
886 killagreg 846
        }
395 hbuss 847
 
848
 
886 killagreg 849
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
850
//+ LED Control on J16/J17
851
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
852
        LED1_Time = FCParam.UserParam7;
853
        LED2_Time = FCParam.UserParam8;
854
        LED_Update();
395 hbuss 855
 
886 killagreg 856
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
857
// in case of emergency landing
858
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
859
        // set all inputs to save values
860
        if(EmergencyLanding)
861
        {
862
                StickYaw = 0;
911 killagreg 863
                StickNick = 0;
886 killagreg 864
                StickRoll = 0;
865
                Gyro_P_Factor  = (float) 100 / (256.0 / STICK_GAIN);
866
                Gyro_I_Factor = (float) 120 / (44000 / STICK_GAIN);
867
                Looping_Roll = 0;
911 killagreg 868
                Looping_Nick = 0;
869
                MaxStickNick = 0;
886 killagreg 870
                MaxStickRoll = 0;
871
        }
395 hbuss 872
 
886 killagreg 873
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
874
// Trim Gyro-Integrals to ACC-Signals
875
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
614 hbuss 876
 
886 killagreg 877
        #define BALANCE_NUMBER 256L
878
        // sum for averaging
911 killagreg 879
        MeanIntegralNick  += IntegralNick;
886 killagreg 880
        MeanIntegralRoll  += IntegralRoll;
614 hbuss 881
 
911 killagreg 882
        if(Looping_Nick || Looping_Roll) // if looping in any direction
886 killagreg 883
        {
884
                // reset averaging for acc and gyro integral as well as gyro integral acc correction
885
                MeasurementCounter = 0;
469 hbuss 886
 
911 killagreg 887
                IntegralAccNick = 0;
886 killagreg 888
                IntegralAccRoll = 0;
614 hbuss 889
 
911 killagreg 890
                MeanIntegralNick = 0;
886 killagreg 891
                MeanIntegralRoll = 0;
395 hbuss 892
 
911 killagreg 893
                Reading_IntegralGyroNick2 = Reading_IntegralGyroNick;
886 killagreg 894
                Reading_IntegralGyroRoll2 = Reading_IntegralGyroRoll;
498 hbuss 895
 
911 killagreg 896
                AttitudeCorrectionNick = 0;
886 killagreg 897
                AttitudeCorrectionRoll = 0;
898
        }
395 hbuss 899
 
886 killagreg 900
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 901
        if(!Looping_Nick && !Looping_Roll) // if not lopping in any direction
886 killagreg 902
        {
903
                int32_t tmp_long, tmp_long2;
904
                // determine the deviation of gyro integral from averaged acceleration sensor
911 killagreg 905
                tmp_long   =  (int32_t)(IntegralNick / ParamSet.GyroAccFactor - (int32_t)Mean_AccNick);
886 killagreg 906
                tmp_long  /= 16;
907
                tmp_long2  = (int32_t)(IntegralRoll   / ParamSet.GyroAccFactor - (int32_t)Mean_AccRoll);
908
                tmp_long2 /= 16;
395 hbuss 909
 
911 killagreg 910
                if((MaxStickNick > 32) || (MaxStickRoll > 32)) // reduce effect during stick commands
886 killagreg 911
                {
912
                        tmp_long  /= 3;
913
                        tmp_long2 /= 3;
914
                }
915
                if(abs(PPM_in[ParamSet.ChannelAssignment[CH_YAW]]) > 25) // reduce further if yaw stick is active
916
                {
917
                        tmp_long  /= 3;
918
                        tmp_long2 /= 3;
919
                }
395 hbuss 920
 
886 killagreg 921
                #define BALANCE 32
922
                // limit correction effect
923
                if(tmp_long >  BALANCE)  tmp_long  = BALANCE;
924
                if(tmp_long < -BALANCE)  tmp_long  =-BALANCE;
925
                if(tmp_long2 > BALANCE)  tmp_long2 = BALANCE;
926
                if(tmp_long2 <-BALANCE)  tmp_long2 =-BALANCE;
927
                // correct current readings
911 killagreg 928
                Reading_IntegralGyroNick -= tmp_long;
886 killagreg 929
                Reading_IntegralGyroRoll -= tmp_long2;
930
        }
931
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
932
        // MeasurementCounter is incremented in the isr of analog.c
933
        if(MeasurementCounter >= BALANCE_NUMBER) // averaging number has reached
934
        {
935
                static int16_t cnt = 0;
936
                static int8_t last_n_p, last_n_n, last_r_p, last_r_n;
911 killagreg 937
                static int32_t MeanIntegralNick_old, MeanIntegralRoll_old;
720 ingob 938
 
886 killagreg 939
                // if not lopping in any direction (this should be alwais the case,
940
                // because the Measurement counter is reset to 0 if looping in any direction is active.)
911 killagreg 941
                if(!Looping_Nick && !Looping_Roll && !FunnelCourse)
886 killagreg 942
                {
943
                        // Calculate mean value of the gyro integrals
911 killagreg 944
                        MeanIntegralNick /= BALANCE_NUMBER;
886 killagreg 945
                        MeanIntegralRoll  /= BALANCE_NUMBER;
720 ingob 946
 
886 killagreg 947
                        // Calculate mean of the acceleration values
911 killagreg 948
                        IntegralAccNick = (ParamSet.GyroAccFactor * IntegralAccNick) / BALANCE_NUMBER;
886 killagreg 949
                        IntegralAccRoll  = (ParamSet.GyroAccFactor * IntegralAccRoll ) / BALANCE_NUMBER;
720 ingob 950
 
911 killagreg 951
                        // Nick ++++++++++++++++++++++++++++++++++++++++++++++++
886 killagreg 952
                        // Calculate deviation of the averaged gyro integral and the averaged acceleration integral
911 killagreg 953
                        IntegralErrorNick = (int32_t)(MeanIntegralNick - (int32_t)IntegralAccNick);
954
                        CorrectionNick = IntegralErrorNick / ParamSet.GyroAccTrim;
955
                        AttitudeCorrectionNick = CorrectionNick / BALANCE_NUMBER;
886 killagreg 956
                        // Roll ++++++++++++++++++++++++++++++++++++++++++++++++
957
                        // Calculate deviation of the averaged gyro integral and the averaged acceleration integral
958
                        IntegralErrorRoll = (int32_t)(MeanIntegralRoll - (int32_t)IntegralAccRoll);
959
                        CorrectionRoll  = IntegralErrorRoll / ParamSet.GyroAccTrim;
960
                        AttitudeCorrectionRoll  = CorrectionRoll  / BALANCE_NUMBER;
961
 
911 killagreg 962
                        if((MaxStickNick > 32) || (MaxStickRoll > 32) || (abs(PPM_in[ParamSet.ChannelAssignment[CH_YAW]]) > 25))
886 killagreg 963
                        {
911 killagreg 964
                                AttitudeCorrectionNick /= 2;
886 killagreg 965
                                AttitudeCorrectionRoll /= 2;
966
                        }
967
 
968
        // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
969
        // Gyro-Drift ermitteln
970
        // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 971
                        // deviation of gyro nick integral (IntegralNick is corrected by averaged acc sensor)
972
                        IntegralErrorNick  = IntegralNick2 - IntegralNick;
973
                        Reading_IntegralGyroNick2 -= IntegralErrorNick;
974
                        // deviation of gyro nick integral (IntegralNick is corrected by averaged acc sensor)
886 killagreg 975
                        IntegralErrorRoll = IntegralRoll2 - IntegralRoll;
976
                        Reading_IntegralGyroRoll2 -= IntegralErrorRoll;
977
 
978
                        if(YawGyroDrift >  BALANCE_NUMBER/2) AdNeutralYaw++;
979
                        if(YawGyroDrift < -BALANCE_NUMBER/2) AdNeutralYaw--;
980
                        YawGyroDrift = 0;
981
/*
911 killagreg 982
                        DebugOut.Analog[17] = IntegralAccNick / 26;
886 killagreg 983
                        DebugOut.Analog[18] = IntegralAccRoll / 26;
911 killagreg 984
                        DebugOut.Analog[19] = IntegralErrorNick;// / 26;
886 killagreg 985
                        DebugOut.Analog[20] = IntegralErrorRoll;// / 26;
911 killagreg 986
                        DebugOut.Analog[21] = MeanIntegralNick / 26;
886 killagreg 987
                        DebugOut.Analog[22] = MeanIntegralRoll / 26;
911 killagreg 988
                        //DebugOut.Analog[28] = CorrectionNick;
886 killagreg 989
                        DebugOut.Analog[29] = CorrectionRoll;
990
                        DebugOut.Analog[30] = AttitudeCorrectionRoll * 10;
720 ingob 991
*/
886 killagreg 992
 
993
                        #define ERROR_LIMIT  (BALANCE_NUMBER * 4)
994
                        #define ERROR_LIMIT2 (BALANCE_NUMBER * 16)
995
                        #define MOVEMENT_LIMIT 20000
911 killagreg 996
        // Nick +++++++++++++++++++++++++++++++++++++++++++++++++
997
                        cnt = 1;// + labs(IntegralErrorNick) / 4096;
998
                        CorrectionNick = 0;
999
                        if(labs(MeanIntegralNick_old - MeanIntegralNick) < MOVEMENT_LIMIT)
886 killagreg 1000
                        {
911 killagreg 1001
                                if(IntegralErrorNick >  ERROR_LIMIT2)
886 killagreg 1002
                                {
1003
                                        if(last_n_p)
1004
                                        {
911 killagreg 1005
                                                cnt += labs(IntegralErrorNick) / ERROR_LIMIT2;
1006
                                                CorrectionNick = IntegralErrorNick / 8;
1007
                                                if(CorrectionNick > 5000) CorrectionNick = 5000;
1008
                                                AttitudeCorrectionNick += CorrectionNick / BALANCE_NUMBER;
886 killagreg 1009
                                        }
1010
                                        else last_n_p = 1;
1011
                                }
1012
                                else  last_n_p = 0;
911 killagreg 1013
                                if(IntegralErrorNick < -ERROR_LIMIT2)
886 killagreg 1014
                                {
1015
                                        if(last_n_n)
1016
                                        {
911 killagreg 1017
                                                cnt += labs(IntegralErrorNick) / ERROR_LIMIT2;
1018
                                                CorrectionNick = IntegralErrorNick / 8;
1019
                                                if(CorrectionNick < -5000) CorrectionNick = -5000;
1020
                                                AttitudeCorrectionNick += CorrectionNick / BALANCE_NUMBER;
886 killagreg 1021
                                        }
1022
                                        else last_n_n = 1;
1023
                                }
1024
                                else  last_n_n = 0;
1025
                        }
1026
                        else
1027
                        {
1028
                                cnt = 0;
1029
                                BadCompassHeading = 500;
1030
                        }
1031
                        if(cnt > ParamSet.DriftComp) cnt = ParamSet.DriftComp;
1032
                        // correct Gyro Offsets
911 killagreg 1033
                        if(IntegralErrorNick >  ERROR_LIMIT)   AdNeutralNick += cnt;
1034
                        if(IntegralErrorNick < -ERROR_LIMIT)   AdNeutralNick -= cnt;
886 killagreg 1035
 
1036
        // Roll +++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 1037
                        cnt = 1;// + labs(IntegralErrorNick) / 4096;
886 killagreg 1038
                        CorrectionRoll = 0;
1039
                        if(labs(MeanIntegralRoll_old - MeanIntegralRoll) < MOVEMENT_LIMIT)
1040
                        {
1041
                                if(IntegralErrorRoll >  ERROR_LIMIT2)
1042
                                {
1043
                                        if(last_r_p)
1044
                                        {
1045
                                                cnt += labs(IntegralErrorRoll) / ERROR_LIMIT2;
1046
                                                CorrectionRoll = IntegralErrorRoll / 8;
1047
                                                if(CorrectionRoll > 5000) CorrectionRoll = 5000;
1048
                                                AttitudeCorrectionRoll += CorrectionRoll / BALANCE_NUMBER;
1049
                                        }
1050
                                        else last_r_p = 1;
1051
                                }
1052
                                else  last_r_p = 0;
1053
                                if(IntegralErrorRoll < -ERROR_LIMIT2)
1054
                                {
1055
                                        if(last_r_n)
1056
                                        {
1057
                                                cnt += labs(IntegralErrorRoll) / ERROR_LIMIT2;
1058
                                                CorrectionRoll = IntegralErrorRoll / 8;
1059
                                                if(CorrectionRoll < -5000) CorrectionRoll = -5000;
1060
                                                AttitudeCorrectionRoll += CorrectionRoll / BALANCE_NUMBER;
1061
                                        }
1062
                                        else last_r_n = 1;
1063
                                }
1064
                                else  last_r_n = 0;
1065
                        }
1066
                        else
1067
                        {
1068
                                cnt = 0;
1069
                                BadCompassHeading = 500;
1070
                        }
1071
                        // correct Gyro Offsets
1072
                        if(cnt > ParamSet.DriftComp) cnt = ParamSet.DriftComp;
1073
                        if(IntegralErrorRoll >  ERROR_LIMIT)   AdNeutralRoll += cnt;
1074
                        if(IntegralErrorRoll < -ERROR_LIMIT)   AdNeutralRoll -= cnt;
720 ingob 1075
/*
886 killagreg 1076
                        DebugOut.Analog[27] = CorrectionRoll;
911 killagreg 1077
                        DebugOut.Analog[23] = AdNeutralNick;//10*(AdNeutralNick - StartNeutralNick);
886 killagreg 1078
                        DebugOut.Analog[24] = 10*(AdNeutralRoll - StartNeutralRoll);
720 ingob 1079
*/
886 killagreg 1080
                }
1081
                else // looping is active
1082
                {
1083
                        AttitudeCorrectionRoll  = 0;
911 killagreg 1084
                        AttitudeCorrectionNick = 0;
886 killagreg 1085
                        FunnelCourse = 0;
1086
                }
395 hbuss 1087
 
886 killagreg 1088
                // if Gyro_I_Factor == 0 , for example at Heading Hold, ignore attitude correction
1089
                if(!Gyro_I_Factor)
1090
                {
1091
                        AttitudeCorrectionRoll  = 0;
911 killagreg 1092
                        AttitudeCorrectionNick = 0;
886 killagreg 1093
                }
1094
        // +++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 1095
                MeanIntegralNick_old = MeanIntegralNick;
886 killagreg 1096
                MeanIntegralRoll_old  = MeanIntegralRoll;
1097
        // +++++++++++++++++++++++++++++++++++++++++++++++++++++
1098
                // reset variables used for averaging
911 killagreg 1099
                IntegralAccNick = 0;
886 killagreg 1100
                IntegralAccRoll = 0;
911 killagreg 1101
                MeanIntegralNick = 0;
886 killagreg 1102
                MeanIntegralRoll = 0;
1103
                MeasurementCounter = 0;
1104
        } // end of averaging
401 hbuss 1105
 
492 hbuss 1106
 
886 killagreg 1107
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1108
//  Yawing
1109
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1110
        if(abs(StickYaw) > 15 ) // yaw stick is activated
1111
        {
1112
                if(!(ParamSet.GlobalConfig & CFG_COMPASS_FIX))
1113
                {
1114
                        UpdateCompassCourse = 1;
1115
                        CompassCourse = YawGyroHeading;
1116
                        BadCompassHeading = 250;
1117
                }
1118
        }
1119
        // exponential stick sensitivity in yawring rate
1120
        tmp_int  = (int32_t) ParamSet.Yaw_P * ((int32_t)StickYaw * abs(StickYaw)) / 512L; // expo  y = ax + bx²
1121
        tmp_int += (ParamSet.Yaw_P * StickYaw) / 4;
1122
        SetPointYaw = tmp_int;
1123
        // trimm drift of Reading_IntegralGyroYaw with SetPointYaw(StickYaw)
1124
        Reading_IntegralGyroYaw -= tmp_int;
1125
        // limit the effect
1126
        if(Reading_IntegralGyroYaw > 50000) Reading_IntegralGyroYaw = 50000;
1127
        if(Reading_IntegralGyroYaw <-50000) Reading_IntegralGyroYaw =-50000;
614 hbuss 1128
 
886 killagreg 1129
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1130
//  Compass
1131
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1132
    // compass code is used if Compass option is selected
1133
        if((ParamSet.GlobalConfig & CFG_COMPASS_ACTIVE))
1134
        {
1135
                int16_t w, v, r,correction, error;
395 hbuss 1136
 
886 killagreg 1137
                if(CompassCalState && MotorsOn == 0 )
1138
                {
1139
                        SetCompassCalState();
1140
                        #ifdef USE_KILLAGREG
1141
                        MM3_Calibrate();
1142
                        #endif
1143
                }
1144
                else
1145
                {
1146
                        #ifdef USE_KILLAGREG
1147
                        static uint8_t updCompass = 0;
1148
                        if (!updCompass--)
1149
                        {
1150
                                updCompass = 49; // update only at 2ms*50 = 100ms (10Hz)
1151
                                MM3_Heading();
1152
                        }
1153
                        #endif
819 hbuss 1154
 
886 killagreg 1155
                        // get maximum attitude angle
911 killagreg 1156
                        w = abs(IntegralNick/512);
886 killagreg 1157
                        v = abs(IntegralRoll /512);
1158
                        if(v > w) w = v;
1159
                        // update compass course
1160
                        if (w < 25 && UpdateCompassCourse && !BadCompassHeading)
1161
                        {
1162
                                BeepTime = 200;
1163
                                CompassCourse = YawGyroHeading / YAW_GYRO_DEG_FACTOR;
1164
                                UpdateCompassCourse = 0;
1165
                        }
1166
                        // calculate the deviation of the yaw gyro heading and the compass heading
1167
                        if (CompassHeading < 0) error = 0; // disable yaw drift compensation if compass heading is undefined
1168
                        else error = ((540 + CompassHeading - (YawGyroHeading / YAW_GYRO_DEG_FACTOR)) % 360) - 180;
1169
                        correction = w / 8 + 1;
1170
                        YawGyroHeading += (error * 8) / correction;
1171
                        w = (w * FCParam.CompassYawEffect) / 64;
1172
                        w = FCParam.CompassYawEffect - w;
1173
                        if(w > 0)
1174
                        {
1175
                                if(BadCompassHeading)
1176
                                {       // wait a while
1177
                                        BadCompassHeading--;
1178
                                }
1179
                                else
1180
                                {   //
1181
                                        YawGyroDrift += error;
911 killagreg 1182
                                        v = 64 + (MaxStickNick + MaxStickRoll) / 8;
886 killagreg 1183
                                        // calc course deviation
1184
                                        r = ((540 + (YawGyroHeading / YAW_GYRO_DEG_FACTOR) - CompassCourse) % 360) - 180;
1185
                                        v = (r * w) / v; // align to compass course
1186
                                        // limit yaw rate
1187
                                        w = 3 * FCParam.CompassYawEffect;
1188
                                        if (v > w) v = w;
1189
                                        else if (v < -w) v = -w;
1190
                                        Reading_IntegralGyroYaw += v;
1191
                                }
1192
                        }
1193
                        else
1194
                        {  // ignore compass at extreme attitudes for a while
1195
                                BadCompassHeading = 250;
1196
                        }
1197
                }
1198
        }
1 ingob 1199
 
908 killagreg 1200
        #if defined (USE_KILLAGREG) || defined (USE_MK3MAG)
886 killagreg 1201
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1202
//  GPS
1203
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1204
        if(ParamSet.GlobalConfig & CFG_GPS_ACTIVE)
1205
        {
1206
                GPS_I_Factor = FCParam.UserParam2;
1207
                GPS_P_Factor = FCParam.UserParam5;
1208
                GPS_D_Factor = FCParam.UserParam6;
1209
                if(EmergencyLanding) GPS_Main(230); // enables Comming Home
1210
                else GPS_Main(Poti3);               // behavior controlled by Poti3
1211
        }
1212
        else
1213
        {
911 killagreg 1214
                GPS_Nick = 0;
886 killagreg 1215
                GPS_Roll = 0;
1216
        }
1217
        #endif
1218
 
1219
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 ingob 1220
//  Debugwerte zuordnen
886 killagreg 1221
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1222
        if(!TimerDebugOut--)
1223
        {
1224
                TimerDebugOut = 24; // update debug outputs every 25*2ms = 50 ms (20Hz)
911 killagreg 1225
                DebugOut.Analog[0]  = IntegralNick / ParamSet.GyroAccFactor;
886 killagreg 1226
                DebugOut.Analog[1]  = IntegralRoll / ParamSet.GyroAccFactor;
911 killagreg 1227
                DebugOut.Analog[2]  = Mean_AccNick;
886 killagreg 1228
                DebugOut.Analog[3]  = Mean_AccRoll;
1229
                DebugOut.Analog[4]  = Reading_GyroYaw;
1230
                DebugOut.Analog[5]  = ReadingHeight;
1231
                DebugOut.Analog[6]  = (Reading_Integral_Top / 512);
1232
                DebugOut.Analog[8]  = CompassHeading;
1233
                DebugOut.Analog[9]  = UBat;
1234
                DebugOut.Analog[10] = RC_Quality;
1235
                DebugOut.Analog[11] = YawGyroHeading / YAW_GYRO_DEG_FACTOR;
1236
                DebugOut.Analog[16] = Mean_AccTop;
805 hbuss 1237
 
886 killagreg 1238
                DebugOut.Analog[20] = ServoValue;
173 holgerb 1239
 
744 hbuss 1240
 
720 ingob 1241
 
911 killagreg 1242
                DebugOut.Analog[30] = GPS_Nick;
886 killagreg 1243
                DebugOut.Analog[31] = GPS_Roll;
805 hbuss 1244
 
886 killagreg 1245
                /*    DebugOut.Analog[16] = motor_rx[0];
1246
                DebugOut.Analog[17] = motor_rx[1];
1247
                DebugOut.Analog[18] = motor_rx[2];
1248
                DebugOut.Analog[19] = motor_rx[3];
1249
                DebugOut.Analog[20] = motor_rx[0] + motor_rx[1] + motor_rx[2] + motor_rx[3];
1250
                DebugOut.Analog[20] /= 14;
1251
                DebugOut.Analog[21] = motor_rx[4];
1252
                DebugOut.Analog[22] = motor_rx[5];
1253
                DebugOut.Analog[23] = motor_rx[6];
1254
                DebugOut.Analog[24] = motor_rx[7];
1255
                DebugOut.Analog[25] = motor_rx[4] + motor_rx[5] + motor_rx[6] + motor_rx[7];
805 hbuss 1256
 
911 killagreg 1257
                DebugOut.Analog[9]  = Reading_GyroNick;
886 killagreg 1258
                DebugOut.Analog[9]  = SetPointHeight;
1259
                DebugOut.Analog[10] = Reading_IntegralGyroYaw / 128;
1 ingob 1260
 
886 killagreg 1261
                DebugOut.Analog[10] = FCParam.Gyro_I;
1262
                DebugOut.Analog[10] = ParamSet.Gyro_I;
1263
                DebugOut.Analog[9]  = CompassOffCourse;
911 killagreg 1264
                DebugOut.Analog[10] = GasMixFraction;
886 killagreg 1265
                DebugOut.Analog[3]  = HeightD * 32;
911 killagreg 1266
                DebugOut.Analog[4]  = HeightControlGas;
886 killagreg 1267
                */
1268
        }
604 hbuss 1269
 
886 killagreg 1270
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1271
//  calculate control feedback from angle (gyro integral) and agular velocity (gyro signal)
1272
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 ingob 1273
 
911 killagreg 1274
        if(Looping_Nick) Reading_GyroNick = Reading_GyroNick * Gyro_P_Factor;
1275
        else Reading_GyroNick = IntegralNick * Gyro_I_Factor + Reading_GyroNick * Gyro_P_Factor;
886 killagreg 1276
        if(Looping_Roll) Reading_GyroRoll = Reading_GyroRoll * Gyro_P_Factor;
1277
        else Reading_GyroRoll = IntegralRoll * Gyro_I_Factor + Reading_GyroRoll * Gyro_P_Factor;
1278
        Reading_GyroYaw = Reading_GyroYaw * (2 * Gyro_P_Factor) + IntegralYaw * Gyro_I_Factor / 2;
854 hbuss 1279
 
911 killagreg 1280
        DebugOut.Analog[21] = Reading_GyroNick;
886 killagreg 1281
        DebugOut.Analog[22] = Reading_GyroRoll;
1 ingob 1282
 
886 killagreg 1283
        // limit control feedback
1284
        #define MAX_SENSOR  (4096 * STICK_GAIN)
911 killagreg 1285
        if(Reading_GyroNick >  MAX_SENSOR) Reading_GyroNick =  MAX_SENSOR;
1286
        if(Reading_GyroNick < -MAX_SENSOR) Reading_GyroNick = -MAX_SENSOR;
1287
        if(Reading_GyroRoll >  MAX_SENSOR) Reading_GyroRoll =  MAX_SENSOR;
1288
        if(Reading_GyroRoll < -MAX_SENSOR) Reading_GyroRoll = -MAX_SENSOR;
1289
        if(Reading_GyroYaw  >  MAX_SENSOR) Reading_GyroYaw  =  MAX_SENSOR;
1290
        if(Reading_GyroYaw  < -MAX_SENSOR) Reading_GyroYaw  = -MAX_SENSOR;
855 hbuss 1291
 
886 killagreg 1292
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1293
// Height Control
911 killagreg 1294
// The height control algorithm reduces the gas but does not increase the gas.
886 killagreg 1295
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 ingob 1296
 
911 killagreg 1297
        GasMixFraction *= STICK_GAIN;
513 hbuss 1298
 
886 killagreg 1299
        // If height control is activated and no emergency landing is active
1300
        if((ParamSet.GlobalConfig & CFG_HEIGHT_CONTROL) && (!EmergencyLanding) )
1301
        {
1302
                int tmp_int;
1303
                // if height control is activated by an rc channel
1304
                if(ParamSet.GlobalConfig & CFG_HEIGHT_SWITCH)
1305
                {       // check if parameter is less than activation threshold
1306
                        if(FCParam.MaxHeight < 50)
1307
                        {
1308
                                SetPointHeight = ReadingHeight - 20;  // update SetPoint with current reading
1309
                                HeightControlActive = 0; // disable height control
1310
                        }
1311
                        else HeightControlActive = 1; // enable height control
1312
                }
1313
                else // no switchable height control
1314
                {
1315
                        SetPointHeight = ((int16_t) ExternHeightValue + (int16_t) FCParam.MaxHeight) * (int16_t)ParamSet.Height_Gain - 20;
1316
                        HeightControlActive = 1;
1317
                }
1318
                // get current height
1319
                h = ReadingHeight;
911 killagreg 1320
                // if current height is above the setpoint reduce gas
886 killagreg 1321
                if((h > SetPointHeight) && HeightControlActive)
1322
                {
911 killagreg 1323
                        // GasMixFraction - HightDeviation * P  - HeightChange * D - ACCTop * DACC
886 killagreg 1324
                        // height difference -> P control part
1325
                        h = ((h - SetPointHeight) * (int16_t) FCParam.Height_P) / (16 / STICK_GAIN);
911 killagreg 1326
                        h = GasMixFraction - h; // reduce gas
886 killagreg 1327
                        // height gradient --> D control part
1328
                        //h -= (HeightD * FCParam.Height_D) / (8 / STICK_GAIN);  // D control part
1329
                        h -= (HeightD) / (8 / STICK_GAIN);  // D control part
1330
                        // acceleration sensor effect
1331
                        tmp_int = ((Reading_Integral_Top / 128) * (int32_t) FCParam.Height_ACC_Effect) / (128 / STICK_GAIN);
1332
                        if(tmp_int > 70 * STICK_GAIN)        tmp_int =   70 * STICK_GAIN;
1333
                        else if(tmp_int < -(70 * STICK_GAIN)) tmp_int = -(70 * STICK_GAIN);
1334
                        h -= tmp_int;
911 killagreg 1335
                        // update height control gas
1336
                        HeightControlGas = (HeightControlGas*15 + h) / 16;
1337
                        // limit gas reduction
1338
                        if(HeightControlGas < ParamSet.Height_MinGas * STICK_GAIN)
886 killagreg 1339
                        {
911 killagreg 1340
                                if(GasMixFraction >= ParamSet.Height_MinGas * STICK_GAIN) HeightControlGas = ParamSet.Height_MinGas * STICK_GAIN;
1341
                                // allows landing also if gas stick is reduced below min gas on height control
1342
                                if(GasMixFraction < ParamSet.Height_MinGas * STICK_GAIN) HeightControlGas = GasMixFraction;
886 killagreg 1343
                        }
911 killagreg 1344
                        // limit gas to stick setting
1345
                        if(HeightControlGas > GasMixFraction) HeightControlGas = GasMixFraction;
1346
                        GasMixFraction = HeightControlGas;
886 killagreg 1347
                }
1348
        }
911 killagreg 1349
        // limit gas to parameter setting
1350
        if(GasMixFraction > (ParamSet.Gas_Max - 20) * STICK_GAIN) GasMixFraction = (ParamSet.Gas_Max - 20) * STICK_GAIN;
886 killagreg 1351
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1352
// + Mixer and PI-Controller
1353
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 1354
        DebugOut.Analog[7] = GasMixFraction;
886 killagreg 1355
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1356
// Yaw-Fraction
1357
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1358
    YawMixFraction = Reading_GyroYaw - SetPointYaw * STICK_GAIN;     // yaw controller
911 killagreg 1359
        #define MIN_YAWGAS (40 * STICK_GAIN)  // yaw also below this gas value
886 killagreg 1360
        // limit YawMixFraction
911 killagreg 1361
        if(GasMixFraction > MIN_YAWGAS)
886 killagreg 1362
        {
911 killagreg 1363
                if(YawMixFraction >  (GasMixFraction / 2)) YawMixFraction = GasMixFraction / 2;
1364
                if(YawMixFraction < -(GasMixFraction / 2)) YawMixFraction = -(GasMixFraction / 2);
886 killagreg 1365
        }
1366
        else
1367
        {
911 killagreg 1368
                if(YawMixFraction >  (MIN_YAWGAS / 2)) YawMixFraction = MIN_YAWGAS / 2;
1369
                if(YawMixFraction < -(MIN_YAWGAS / 2)) YawMixFraction = -(MIN_YAWGAS / 2);
886 killagreg 1370
        }
911 killagreg 1371
        tmp_int = ParamSet.Gas_Max * STICK_GAIN;
1372
    if(YawMixFraction >  ((tmp_int - GasMixFraction))) YawMixFraction =  ((tmp_int - GasMixFraction));
1373
    if(YawMixFraction < -((tmp_int - GasMixFraction))) YawMixFraction = -((tmp_int - GasMixFraction));
173 holgerb 1374
 
886 killagreg 1375
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 1376
// Nick-Axis
886 killagreg 1377
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
911 killagreg 1378
    DiffNick = Reading_GyroNick - StickNick;    // get difference
1379
    if(Gyro_I_Factor) SumNick += IntegralNick * Gyro_I_Factor - StickNick; // I-part for attitude control
1380
    else SumNick += DiffNick; // I-part for head holding
1381
    if(SumNick >  (STICK_GAIN * 16000L)) SumNick =  (STICK_GAIN * 16000L);
1382
    if(SumNick < -(STICK_GAIN * 16000L)) SumNick = -(STICK_GAIN * 16000L);
1383
    pd_result = DiffNick + Ki * SumNick; // PI-controller for nick
886 killagreg 1384
 
911 killagreg 1385
    tmp_int = (int32_t)((int32_t)FCParam.DynamicStability * (int32_t)(GasMixFraction + abs(YawMixFraction)/2)) / 64;
886 killagreg 1386
    if(pd_result >  tmp_int) pd_result =  tmp_int;
1387
    if(pd_result < -tmp_int) pd_result = -tmp_int;
1388
 
1389
        // Motor Front
911 killagreg 1390
    MotorValue = GasMixFraction + pd_result + YawMixFraction;     // Mixer
886 killagreg 1391
    MotorValue /= STICK_GAIN;
1392
        if ((MotorValue < 0)) MotorValue = 0;
911 killagreg 1393
        else if(MotorValue > ParamSet.Gas_Max)              MotorValue = ParamSet.Gas_Max;
1394
        if (MotorValue < ParamSet.Gas_Min)            MotorValue = ParamSet.Gas_Min;
886 killagreg 1395
        Motor_Front = MotorValue;
1396
 
1397
 // Motor Rear
911 killagreg 1398
        MotorValue = GasMixFraction - pd_result + YawMixFraction;     // Mixer
886 killagreg 1399
        MotorValue /= STICK_GAIN;
1400
        if ((MotorValue < 0)) MotorValue = 0;
911 killagreg 1401
        else if(MotorValue > ParamSet.Gas_Max)      MotorValue = ParamSet.Gas_Max;
1402
        if (MotorValue < ParamSet.Gas_Min)            MotorValue = ParamSet.Gas_Min;
886 killagreg 1403
        Motor_Rear = MotorValue;
1404
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1405
// Roll-Axis
1406
// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1407
        DiffRoll = Reading_GyroRoll - StickRoll;        // get difference
1408
    if(Gyro_I_Factor) SumRoll += IntegralRoll * Gyro_I_Factor - StickRoll; // I-part for attitude control
1409
    else SumRoll += DiffRoll;  // I-part for head holding
901 killagreg 1410
    if(SumRoll >  (STICK_GAIN * 16000L)) SumRoll =  (STICK_GAIN * 16000L);
1411
    if(SumRoll < -(STICK_GAIN * 16000L)) SumRoll = -(STICK_GAIN * 16000L);
886 killagreg 1412
    pd_result = DiffRoll + Ki * SumRoll;         // PI-controller for roll
911 killagreg 1413
    tmp_int = (int32_t)((int32_t)FCParam.DynamicStability * (int32_t)(GasMixFraction + abs(YawMixFraction)/2)) / 64;
886 killagreg 1414
    if(pd_result >  tmp_int) pd_result =  tmp_int;
1415
    if(pd_result < -tmp_int) pd_result = -tmp_int;
1416
 
1417
    // Motor Left
911 killagreg 1418
    MotorValue = GasMixFraction + pd_result - YawMixFraction;  // Mixer
886 killagreg 1419
    MotorValue /= STICK_GAIN;
1420
        if ((MotorValue < 0)) MotorValue = 0;
911 killagreg 1421
        else if(MotorValue > ParamSet.Gas_Max)          MotorValue = ParamSet.Gas_Max;
1422
        if (MotorValue < ParamSet.Gas_Min)            MotorValue = ParamSet.Gas_Min;
886 killagreg 1423
    Motor_Left = MotorValue;
1424
 
1425
 // Motor Right
911 killagreg 1426
        MotorValue = GasMixFraction - pd_result - YawMixFraction;  // Mixer
886 killagreg 1427
        MotorValue /= STICK_GAIN;
1428
        if ((MotorValue < 0)) MotorValue = 0;
911 killagreg 1429
        else if(MotorValue > ParamSet.Gas_Max)          MotorValue = ParamSet.Gas_Max;
1430
        if (MotorValue < ParamSet.Gas_Min)            MotorValue = ParamSet.Gas_Min;
886 killagreg 1431
    Motor_Right = MotorValue;
1 ingob 1432
}
1433