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\// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2
// + Copyright (c) 04.2007 Holger Buss
2
// + Copyright (c) 04.2007 Holger Buss
3
// + Nur f�r den privaten Gebrauch
3
// + Nur für den privaten Gebrauch
4
// + www.MikroKopter.com
4
// + www.MikroKopter.com
5
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
5
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
6
// + Es gilt f�r das gesamte Projekt (Hardware, Software, Bin�rfiles, Sourcecode und Dokumentation),
6
// + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation),
7
// + dass eine Nutzung (auch auszugsweise) nur f�r den privaten und nicht-kommerziellen Gebrauch zul�ssig ist.
7
// + dass eine Nutzung (auch auszugsweise) nur für den privaten und nicht-kommerziellen Gebrauch zulässig ist.
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// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt
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// + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt
9
// + 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, Best�ckung und Verkauf von Platinen oder Baus�tzen,
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// + 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 ver�ffentlicht,
13
// + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht,
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// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright m�ssen dann beiliegen
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// + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
16
// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts
16
// + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts
17
// + auf anderen Webseiten oder Medien ver�ffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de"
17
// + auf anderen Webseiten oder Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de"
18
// + eindeutig als Ursprung verlinkt und genannt werden
18
// + eindeutig als Ursprung verlinkt und genannt werden
19
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
19
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
20
// + Keine Gew�hr auf Fehlerfreiheit, Vollst�ndigkeit oder Funktion
20
// + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion
21
// + Benutzung auf eigene Gefahr
21
// + Benutzung auf eigene Gefahr
22
// + Wir �bernehmen keinerlei Haftung f�r direkte oder indirekte Personen- oder Sachsch�den
22
// + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden
23
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
23
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
24
// + Die Portierung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur
24
// + Die Portierung der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur
25
// + mit unserer Zustimmung zul�ssig
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// + mit unserer Zustimmung zulässig
26
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
27
// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen
27
// + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen
28
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
29
// + Redistributions of source code (with or without modifications) must retain the above copyright notice,
29
// + Redistributions of source code (with or without modifications) must retain the above copyright notice,
30
// + this list of conditions and the following disclaimer.
30
// + this list of conditions and the following disclaimer.
31
// +   * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived
31
// +   * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived
32
// +     from this software without specific prior written permission.
32
// +     from this software without specific prior written permission.
33
// +   * The use of this project (hardware, software, binary files, sources and documentation) is only permittet
33
// +   * The use of this project (hardware, software, binary files, sources and documentation) is only permittet
34
// +     for non-commercial use (directly or indirectly)
34
// +     for non-commercial use (directly or indirectly)
35
// +     Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted
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// +     Commercial use (for example: 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
37
// +   * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be
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// +     clearly linked as origin
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// +     clearly linked as origin
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// +   * porting to systems other than hardware from www.mikrokopter.de is not allowed
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// +   * porting to systems other than hardware from www.mikrokopter.de is not allowed
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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
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// +  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// +  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// +  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43
// +  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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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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// +  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
45
// +  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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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
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// +  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
47
// +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
48
// +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48
// +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49
// +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// +  POSSIBILITY OF SUCH DAMAGE.
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// +  POSSIBILITY OF SUCH DAMAGE.
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
52
 
52
 
53
#include <stdlib.h>
53
#include <stdlib.h>
54
#include <avr/io.h>
54
#include <avr/io.h>
55
#include "eeprom.h"
55
#include "eeprom.h"
56
#include "flight.h"
56
#include "flight.h"
57
#include "output.h"
57
#include "output.h"
58
 
58
 
59
// Only for debug. Remove.
59
// Only for debug. Remove.
60
//#include "analog.h"
60
//#include "analog.h"
61
//#include "rc.h"
61
//#include "rc.h"
62
 
62
 
63
// Necessary for external control and motor test
63
// Necessary for external control and motor test
64
#include "uart0.h"
64
#include "uart0.h"
65
 
65
 
66
// for scope debugging
66
// for scope debugging
67
// #include "rc.h"
67
// #include "rc.h"
68
 
68
 
69
#include "twimaster.h"
69
#include "twimaster.h"
70
#include "attitude.h"
70
#include "attitude.h"
71
#include "controlMixer.h"
71
#include "controlMixer.h"
72
#include "commands.h"
72
#include "commands.h"
73
#ifdef USE_MK3MAG
73
#ifdef USE_MK3MAG
74
#include "gps.h"
74
#include "gps.h"
75
#endif
75
#endif
76
 
76
 
77
#define CHECK_MIN_MAX(value, min, max) {if(value < min) value = min; else if(value > max) value = max;}
77
#define CHECK_MIN_MAX(value, min, max) {if(value < min) value = min; else if(value > max) value = max;}
78
 
78
 
79
/*
79
/*
80
 * These are no longer maintained, just left at 0. The original implementation just summed the acc.
80
 * These are no longer maintained, just left at 0. The original implementation just summed the acc.
81
 * value to them every 2 ms. No filtering or anything. Just a case for an eventual overflow?? Hey???
81
 * value to them every 2 ms. No filtering or anything. Just a case for an eventual overflow?? Hey???
82
 */
82
 */
83
// int16_t naviAccPitch = 0, naviAccRoll = 0, naviCntAcc = 0;
83
// int16_t naviAccPitch = 0, naviAccRoll = 0, naviCntAcc = 0;
84
 
84
 
85
uint8_t gyroPFactor, gyroIFactor;       // the PD factors for the attitude control
85
uint8_t gyroPFactor, gyroIFactor;       // the PD factors for the attitude control
86
uint8_t yawPFactor, yawIFactor; // the PD factors for the yaw control
86
uint8_t yawPFactor, yawIFactor; // the PD factors for the yaw control
87
 
87
 
88
// Some integral weight constant...
88
// Some integral weight constant...
89
uint16_t Ki = 10300 / 33;
89
uint16_t Ki = 10300 / 33;
90
uint8_t RequiredMotors = 0;
90
uint8_t RequiredMotors = 0;
91
 
-
 
92
// No support for altitude control right now.
-
 
93
// int16_t SetPointHeight = 0;
-
 
94
 
91
 
95
/************************************************************************/
92
/************************************************************************/
96
/*  Filter for motor value smoothing (necessary???)                     */
93
/*  Filter for motor value smoothing (necessary???)                     */
97
/************************************************************************/
94
/************************************************************************/
98
int16_t motorFilter(int16_t newvalue, int16_t oldvalue) {
95
int16_t motorFilter(int16_t newvalue, int16_t oldvalue) {
99
  switch(dynamicParams.UserParams[5]) {
96
  switch(dynamicParams.UserParams[5]) {
100
  case 0:
97
  case 0:
101
    return newvalue;
98
    return newvalue;
102
  case 1:
99
  case 1:
103
    return (oldvalue + newvalue) / 2;  
100
    return (oldvalue + newvalue) / 2;  
104
  case 2:
101
  case 2:
105
    if(newvalue > oldvalue)
102
    if(newvalue > oldvalue)
106
      return (1 * (int16_t)oldvalue + newvalue) / 2;  //mean of old and new
103
      return (1 * (int16_t)oldvalue + newvalue) / 2;  //mean of old and new
107
    else       
104
    else       
108
      return newvalue - (oldvalue - newvalue) * 1; // 2 * new - old
105
      return newvalue - (oldvalue - newvalue) * 1; // 2 * new - old
109
  case 3:
106
  case 3:
110
    if(newvalue < oldvalue)
107
    if(newvalue < oldvalue)
111
      return (1 * (int16_t)oldvalue + newvalue) / 2;  //mean of old and new
108
      return (1 * (int16_t)oldvalue + newvalue) / 2;  //mean of old and new
112
    else       
109
    else       
113
      return newvalue - (oldvalue - newvalue) * 1; // 2 * new - old
110
      return newvalue - (oldvalue - newvalue) * 1; // 2 * new - old
114
  default: return newvalue;
111
  default: return newvalue;
115
  }
112
  }
116
}
113
}
117
 
114
 
118
/************************************************************************/
115
/************************************************************************/
119
/*  Neutral Readings                                                    */
116
/*  Neutral Readings                                                    */
120
/************************************************************************/
117
/************************************************************************/
121
void flight_setNeutral() {
118
void flight_setNeutral() {
122
  MKFlags |= MKFLAG_CALIBRATE;
119
  MKFlags |= MKFLAG_CALIBRATE;
123
  // not really used here any more.
120
  // not really used here any more.
124
  dynamicParams.KalmanK = -1;
121
  dynamicParams.KalmanK = -1;
125
  dynamicParams.KalmanMaxDrift = 0;
122
  dynamicParams.KalmanMaxDrift = 0;
126
  dynamicParams.KalmanMaxFusion = 32;
123
  dynamicParams.KalmanMaxFusion = 32;
127
  controlMixer_initVariables();
124
  controlMixer_initVariables();
128
}
125
}
129
 
126
 
130
void setFlightParameters(uint8_t _Ki, uint8_t _gyroPFactor, uint8_t _gyroIFactor, uint8_t _yawPFactor, uint8_t _yawIFactor) {
127
void setFlightParameters(uint8_t _Ki, uint8_t _gyroPFactor, uint8_t _gyroIFactor, uint8_t _yawPFactor, uint8_t _yawIFactor) {
131
  Ki = 10300 / _Ki;
128
  Ki = 10300 / _Ki;
132
  gyroPFactor = _gyroPFactor;
129
  gyroPFactor = _gyroPFactor;
133
  gyroIFactor = _gyroIFactor;
130
  gyroIFactor = _gyroIFactor;
134
  yawPFactor = _yawPFactor;
131
  yawPFactor = _yawPFactor;
135
  yawIFactor = _yawIFactor;
132
  yawIFactor = _yawIFactor;
136
}
133
}
137
 
134
 
138
void setNormalFlightParameters(void) {
135
void setNormalFlightParameters(void) {
139
  setFlightParameters(dynamicParams.IFactor + 1,
136
  setFlightParameters(dynamicParams.IFactor + 1,
140
                      dynamicParams.GyroP + 10,
137
                      dynamicParams.GyroP + 10,
141
                      staticParams.GlobalConfig & CFG_HEADING_HOLD ? 0 : dynamicParams.GyroI,
138
                      staticParams.GlobalConfig & CFG_HEADING_HOLD ? 0 : dynamicParams.GyroI,
142
                      dynamicParams.GyroP + 10,
139
                      dynamicParams.GyroP + 10,
143
                      dynamicParams.UserParams[6]
140
                      dynamicParams.UserParams[6]
144
                      );
141
                      );
145
}
142
}
146
 
143
 
147
void setStableFlightParameters(void) {
144
void setStableFlightParameters(void) {
148
  setFlightParameters(33, 90, 120, 90, 120);
145
  setFlightParameters(33, 90, 120, 90, 120);
149
}
146
}
150
 
147
 
151
 
148
 
152
/************************************************************************/
149
/************************************************************************/
153
/*  Main Flight Control                                                 */
150
/*  Main Flight Control                                                 */
154
/************************************************************************/
151
/************************************************************************/
155
void flight_control(void) {
152
void flight_control(void) {
156
  int16_t tmp_int;
153
  int16_t tmp_int;
157
    // Mixer Fractions that are combined for Motor Control
154
    // Mixer Fractions that are combined for Motor Control
158
  int16_t yawTerm, throttleTerm, term[2];
155
  int16_t yawTerm, throttleTerm, term[2];
159
 
156
 
160
  // PID controller variables
157
  // PID controller variables
161
  int16_t PDPart[2], PDPartYaw, PPart[2];
158
  int16_t PDPart[2], PDPartYaw, PPart[2];
162
  static int32_t IPart[2] = {0,0};
159
  static int32_t IPart[2] = {0,0};
163
  //  static int32_t yawControlRate = 0;
160
  //  static int32_t yawControlRate = 0;
164
 
161
 
165
  // Removed. Too complicated, and apparently not necessary with MEMS gyros anyway.
162
  // Removed. Too complicated, and apparently not necessary with MEMS gyros anyway.
166
  // static int32_t IntegralGyroPitchError = 0, IntegralGyroRollError = 0;
163
  // static int32_t IntegralGyroPitchError = 0, IntegralGyroRollError = 0;
167
  // static int32_t CorrectionPitch, CorrectionRoll;
164
  // static int32_t CorrectionPitch, CorrectionRoll;
168
 
165
 
169
  static uint16_t emergencyFlightTime;
166
  static uint16_t emergencyFlightTime;
170
  static int8_t debugDataTimer = 1;
167
  static int8_t debugDataTimer = 1;
171
 
168
 
172
  // High resolution motor values for smoothing of PID motor outputs
169
  // High resolution motor values for smoothing of PID motor outputs
173
  static int16_t motorFilters[MAX_MOTORS];
170
  static int16_t motorFilters[MAX_MOTORS];
174
 
171
 
175
  uint8_t i, axis;
172
  uint8_t i, axis;
176
 
173
 
177
  controlMixer_update();
174
  controlMixer_update();
178
 
175
 
179
  // Fire the main flight attitude calculation, including integration of angles.
176
  // Fire the main flight attitude calculation, including integration of angles.
180
  calculateFlightAttitude();
177
  calculateFlightAttitude();
181
 
-
 
182
  J5HIGH;
178
 
183
  throttleTerm = controlThrottle;
179
  throttleTerm = controlThrottle;
184
  // This check removed. Is done on a per-motor basis, after output matrix multiplication.
180
  // This check removed. Is done on a per-motor basis, after output matrix multiplication.
185
  if(throttleTerm < staticParams.MinThrottle + 10) throttleTerm = staticParams.MinThrottle + 10;
181
  if(throttleTerm < staticParams.MinThrottle + 10) throttleTerm = staticParams.MinThrottle + 10;
186
  else if(throttleTerm > staticParams.MaxThrottle - 20) throttleTerm = (staticParams.MaxThrottle - 20);
182
  else if(throttleTerm > staticParams.MaxThrottle - 20) throttleTerm = (staticParams.MaxThrottle - 20);
187
 
183
 
188
  /************************************************************************/
184
  /************************************************************************/
189
  /* RC-signal is bad                                                     */
185
  /* RC-signal is bad                                                     */
190
  /* This part could be abstracted, as having yet another control input   */
186
  /* This part could be abstracted, as having yet another control input   */
191
  /* to the control mixer: An emergency autopilot control.                */
187
  /* to the control mixer: An emergency autopilot control.                */
192
  /************************************************************************/
188
  /************************************************************************/
193
 
189
 
194
  if(controlMixer_getSignalQuality() <= SIGNAL_BAD) {           // the rc-frame signal is not reveived or noisy
190
  if(controlMixer_getSignalQuality() <= SIGNAL_BAD) {           // the rc-frame signal is not reveived or noisy
195
    RED_ON;
191
    RED_ON;
196
    beepRCAlarm();
192
    beepRCAlarm();
197
   
193
   
198
    if(emergencyFlightTime) {
194
    if(emergencyFlightTime) {
199
      // continue emergency flight
195
      // continue emergency flight
200
      emergencyFlightTime--;
196
      emergencyFlightTime--;
201
      if(isFlying > 256) {                    
197
      if(isFlying > 256) {                    
202
        // We're probably still flying. Descend slowly.
198
        // We're probably still flying. Descend slowly.
203
        throttleTerm = staticParams.EmergencyGas;  // Set emergency throttle
199
        throttleTerm = staticParams.EmergencyGas;  // Set emergency throttle
204
        MKFlags |= (MKFLAG_EMERGENCY_LANDING);     // Set flag for emergency landing
200
        MKFlags |= (MKFLAG_EMERGENCY_LANDING);     // Set flag for emergency landing
205
        setStableFlightParameters();
201
        setStableFlightParameters();
206
      } else {
202
      } else {
207
        MKFlags &= ~(MKFLAG_MOTOR_RUN);            // Probably not flying, and bad R/C signal. Kill motors.
203
        MKFlags &= ~(MKFLAG_MOTOR_RUN);            // Probably not flying, and bad R/C signal. Kill motors.
208
      }
204
      }
209
    } else {
205
    } else {
210
      // end emergency flight (just cut the motors???)
206
      // end emergency flight (just cut the motors???)
211
      MKFlags &= ~(MKFLAG_MOTOR_RUN | MKFLAG_EMERGENCY_LANDING);
207
      MKFlags &= ~(MKFLAG_MOTOR_RUN | MKFLAG_EMERGENCY_LANDING);
212
    }
208
    }
213
  } else {
209
  } else {
214
    // signal is acceptable
210
    // signal is acceptable
215
    if(controlMixer_getSignalQuality() > SIGNAL_BAD) {
211
    if(controlMixer_getSignalQuality() > SIGNAL_BAD) {
216
      // Reset emergency landing control variables.
212
      // Reset emergency landing control variables.
217
      MKFlags &= ~(MKFLAG_EMERGENCY_LANDING);  // clear flag for emergency landing
213
      MKFlags &= ~(MKFLAG_EMERGENCY_LANDING);  // clear flag for emergency landing
218
      // The time is in whole seconds.
214
      // The time is in whole seconds.
219
      emergencyFlightTime = (uint16_t)staticParams.EmergencyGasDuration * 488;
215
      emergencyFlightTime = (uint16_t)staticParams.EmergencyGasDuration * 488;
220
    }
216
    }
221
 
217
 
222
    // If some throttle is given, and the motor-run flag is on, increase the probability that we are flying.
218
    // If some throttle is given, and the motor-run flag is on, increase the probability that we are flying.
223
    if(throttleTerm > 40 && (MKFlags & MKFLAG_MOTOR_RUN)) {
219
    if(throttleTerm > 40 && (MKFlags & MKFLAG_MOTOR_RUN)) {
224
      // increment flight-time counter until overflow.
220
      // increment flight-time counter until overflow.
225
      if(isFlying != 0xFFFF) isFlying++;
221
      if(isFlying != 0xFFFF) isFlying++;
226
    } else
222
    } else
227
      /*
223
      /*
228
       * When standing on the ground, do not apply I controls and zero the yaw stick.
224
       * When standing on the ground, do not apply I controls and zero the yaw stick.
229
       * Probably to avoid integration effects that will cause the copter to spin
225
       * Probably to avoid integration effects that will cause the copter to spin
230
       * or flip when taking off.
226
       * or flip when taking off.
231
       */
227
       */
232
      if(isFlying < 256) {
228
      if(isFlying < 256) {
233
        IPart[PITCH] = IPart[ROLL] = 0;
229
        IPart[PITCH] = IPart[ROLL] = 0;
234
        // TODO: Don't stomp on other modules' variables!!!
230
        // TODO: Don't stomp on other modules' variables!!!
235
        // controlYaw = 0;
231
        // controlYaw = 0;
236
        PDPartYaw = 0; // instead.
232
        PDPartYaw = 0; // instead.
237
        if(isFlying == 250) {
233
        if(isFlying == 250) {
238
          // HC_setGround();
234
          // HC_setGround();
239
          updateCompassCourse = 1;
235
          updateCompassCourse = 1;
240
          yawAngleDiff = 0;
236
          yawAngleDiff = 0;
241
        }
237
        }
242
      } else {
238
      } else {
243
            // Set fly flag. TODO: Hmmm what can we trust - the isFlying counter or the flag? 
239
            // Set fly flag. TODO: Hmmm what can we trust - the isFlying counter or the flag? 
244
            // Answer: The counter. The flag is not read from anywhere anyway... except the NC maybe.
240
            // Answer: The counter. The flag is not read from anywhere anyway... except the NC maybe.
245
            MKFlags |= (MKFLAG_FLY);
241
            MKFlags |= (MKFLAG_FLY);
246
      }
242
      }
247
 
243
 
248
        commands_handleCommands();
244
        commands_handleCommands();
249
 
245
 
250
    // if(controlMixer_getSignalQuality() >= SIGNAL_GOOD) {
246
    // if(controlMixer_getSignalQuality() >= SIGNAL_GOOD) {
251
    setNormalFlightParameters();
247
    setNormalFlightParameters();
252
    // }
248
    // }
253
  } // end else (not bad signal case)
249
  } // end else (not bad signal case)
254
  // end part1a: 750-800 usec.
250
  // end part1a: 750-800 usec.
255
  /*
251
  /*
256
   * Looping the H&I way basically is just a matter of turning off attitude angle measurement
252
   * Looping the H&I way basically is just a matter of turning off attitude angle measurement
257
   * by integration (because 300 deg/s gyros are too slow) and turning down the throttle.
253
   * by integration (because 300 deg/s gyros are too slow) and turning down the throttle.
258
   * This is the throttle part.
254
   * This is the throttle part.
259
   */
255
   */
260
  if(looping) {
256
  if(looping) {
261
    if(throttleTerm > staticParams.LoopGasLimit) throttleTerm = staticParams.LoopGasLimit;
257
    if(throttleTerm > staticParams.LoopGasLimit) throttleTerm = staticParams.LoopGasLimit;
262
  }
258
  }
263
 
-
 
264
  J5LOW;
-
 
265
 
259
 
266
  /************************************************************************/
260
  /************************************************************************/
267
  /*  Yawing                                                              */
261
  /*  Yawing                                                              */
268
  /************************************************************************/
262
  /************************************************************************/
269
  if(abs(controlYaw) > 4 * staticParams.StickYawP) { // yaw stick is activated
263
  if(abs(controlYaw) > 4 * staticParams.StickYawP) { // yaw stick is activated
270
    ignoreCompassTimer = 1000;
264
    ignoreCompassTimer = 1000;
271
    if(!(staticParams.GlobalConfig & CFG_COMPASS_FIX)) {
265
    if(!(staticParams.GlobalConfig & CFG_COMPASS_FIX)) {
272
      updateCompassCourse = 1;
266
      updateCompassCourse = 1;
273
    }
267
    }
274
  }
268
  }
275
 
269
 
276
  //  yawControlRate = controlYaw;
270
  //  yawControlRate = controlYaw;
277
 
271
 
278
  // Trim drift of yawAngleDiff with controlYaw.
272
  // Trim drift of yawAngleDiff with controlYaw.
279
  // TODO: We want NO feedback of control related stuff to the attitude related stuff.
273
  // TODO: We want NO feedback of control related stuff to the attitude related stuff.
280
  // This seems to be used as: Difference desired <--> real heading.
274
  // This seems to be used as: Difference desired <--> real heading.
281
  yawAngleDiff -= controlYaw;
275
  yawAngleDiff -= controlYaw;
282
 
276
 
283
  // limit the effect
277
  // limit the effect
284
  CHECK_MIN_MAX(yawAngleDiff, -50000, 50000);
278
  CHECK_MIN_MAX(yawAngleDiff, -50000, 50000);
285
 
279
 
286
  /************************************************************************/
280
  /************************************************************************/
287
  /* Compass is currently not supported.                                  */
281
  /* Compass is currently not supported.                                  */
288
  /************************************************************************/
282
  /************************************************************************/
289
  if(staticParams.GlobalConfig & (CFG_COMPASS_ACTIVE|CFG_GPS_ACTIVE)) {
283
  if(staticParams.GlobalConfig & (CFG_COMPASS_ACTIVE|CFG_GPS_ACTIVE)) {
290
    updateCompass();
284
    updateCompass();
291
  }
285
  }
292
 
286
 
293
#if defined (USE_NAVICTRL)
287
#if defined (USE_NAVICTRL)
294
  /************************************************************************/
288
  /************************************************************************/
295
  /* GPS is currently not supported.                                      */
289
  /* GPS is currently not supported.                                      */
296
  /************************************************************************/
290
  /************************************************************************/
297
  if(staticParams.GlobalConfig & CFG_GPS_ACTIVE) {
291
  if(staticParams.GlobalConfig & CFG_GPS_ACTIVE) {
298
    GPS_Main();
292
    GPS_Main();
299
    MKFlags &= ~(MKFLAG_CALIBRATE | MKFLAG_START);
293
    MKFlags &= ~(MKFLAG_CALIBRATE | MKFLAG_START);
300
  } else {
294
  } else {
301
  }
295
  }
302
#endif
296
#endif
303
  // end part 1: 750-800 usec.
297
  // end part 1: 750-800 usec.
304
  // start part 3: 350 - 400 usec.
298
  // start part 3: 350 - 400 usec.
305
#define SENSOR_LIMIT  (4096 * 4)
299
#define SENSOR_LIMIT  (4096 * 4)
306
    /************************************************************************/
300
    /************************************************************************/
307
 
301
 
308
    /* Calculate control feedback from angle (gyro integral)                */
302
    /* Calculate control feedback from angle (gyro integral)                */
309
    /* and angular velocity (gyro signal)                                   */
303
    /* and angular velocity (gyro signal)                                   */
310
    /************************************************************************/
304
    /************************************************************************/
311
    // The P-part is the P of the PID controller. That's the angle integrals (not rates).
305
    // The P-part is the P of the PID controller. That's the angle integrals (not rates).
-
 
306
 
312
  for (axis=PITCH; axis<=ROLL; axis++) {
307
  for (axis=PITCH; axis<=ROLL; axis++) {
313
    if(looping & ((1<<4)<<axis)) {
308
    if(looping & ((1<<4)<<axis)) {
314
      PPart[axis] = 0;
309
      PPart[axis] = 0;
315
    } else { // TODO: Where do the 44000 come from???
310
    } else { // TODO: Where do the 44000 come from???
316
      PPart[axis] = angle[axis] * gyroIFactor / (44000 / CONTROL_SCALING); // P-Part - Proportional to Integral
311
      PPart[axis] = angle[axis] * gyroIFactor / (44000 / CONTROL_SCALING); // P-Part - Proportional to Integral
317
    }
312
    }
318
 
313
 
319
    /*
314
    /*
320
     * Now blend in the D-part - proportional to the Differential of the integral = the rate.
315
     * Now blend in the D-part - proportional to the Differential of the integral = the rate.
321
     * Read this as: PDPart = PPart + rate_PID * pfactor * CONTROL_SCALING
316
     * Read this as: PDPart = PPart + rate_PID * pfactor * CONTROL_SCALING
322
     * where pfactor is in [0..1].
317
     * where pfactor is in [0..1].
323
     */
318
     */
324
    PDPart[axis] = PPart[axis] + (int32_t)((int32_t)rate_PID[axis] * gyroPFactor / (256L / CONTROL_SCALING))
319
    PDPart[axis] = PPart[axis] + (int32_t)((int32_t)rate_PID[axis] * gyroPFactor / (256L / CONTROL_SCALING))
325
      + (differential[axis] * (int16_t)dynamicParams.GyroD) / 16;
320
      + (differential[axis] * (int16_t)dynamicParams.GyroD) / 16;
326
 
321
 
327
    CHECK_MIN_MAX(PDPart[axis], -SENSOR_LIMIT, SENSOR_LIMIT);
322
    CHECK_MIN_MAX(PDPart[axis], -SENSOR_LIMIT, SENSOR_LIMIT);
328
  }
323
  }
329
 
324
 
330
  PDPartYaw =
325
  PDPartYaw =
331
    (int32_t)(yawRate * 2 * (int32_t)yawPFactor) / (256L / CONTROL_SCALING)
326
    (int32_t)(yawRate * 2 * (int32_t)yawPFactor) / (256L / CONTROL_SCALING)
332
  + (int32_t)(yawAngleDiff * yawIFactor) / (2 * (44000 / CONTROL_SCALING));
327
  + (int32_t)(yawAngleDiff * yawIFactor) / (2 * (44000 / CONTROL_SCALING));
333
 
328
 
334
  // limit control feedback
329
  // limit control feedback
335
  CHECK_MIN_MAX(PDPartYaw, -SENSOR_LIMIT, SENSOR_LIMIT);
330
  CHECK_MIN_MAX(PDPartYaw, -SENSOR_LIMIT, SENSOR_LIMIT);
336
 
331
 
337
  /*
332
  /*
338
   * Compose throttle term.
333
   * Compose throttle term.
339
   * If a Bl-Ctrl is missing, prevent takeoff.
334
   * If a Bl-Ctrl is missing, prevent takeoff.
340
   */
335
   */
341
  if(missingMotor) {
336
  if(missingMotor) {
342
    // if we are in the lift off condition. Hmmmmmm when is throttleTerm == 0 anyway???
337
    // if we are in the lift off condition. Hmmmmmm when is throttleTerm == 0 anyway???
343
    if(isFlying > 1 && isFlying < 50 && throttleTerm > 0)
338
    if(isFlying > 1 && isFlying < 50 && throttleTerm > 0)
344
      isFlying = 1; // keep within lift off condition
339
      isFlying = 1; // keep within lift off condition
345
    throttleTerm = staticParams.MinThrottle; // reduce gas to min to avoid lift of
340
    throttleTerm = staticParams.MinThrottle; // reduce gas to min to avoid lift of
346
  }
341
  }
347
 
342
 
348
  // Scale up to higher resolution. Hmm why is it not (from controlMixer and down) scaled already?
343
  // Scale up to higher resolution. Hmm why is it not (from controlMixer and down) scaled already?
349
  throttleTerm *= CONTROL_SCALING;
344
  throttleTerm *= CONTROL_SCALING;
350
 
-
 
351
  J5HIGH;
-
 
352
 
345
 
353
  /*
346
  /*
354
   * Compose yaw term.
347
   * Compose yaw term.
355
   * The yaw term is limited: Absolute value is max. = the throttle term / 2.
348
   * The yaw term is limited: Absolute value is max. = the throttle term / 2.
356
   * However, at low throttle the yaw term is limited to a fixed value,
349
   * However, at low throttle the yaw term is limited to a fixed value,
357
   * and at high throttle it is limited by the throttle reserve (the difference
350
   * and at high throttle it is limited by the throttle reserve (the difference
358
   * between current throttle and maximum throttle).
351
   * between current throttle and maximum throttle).
359
   */
352
   */
360
#define MIN_YAWGAS (40 * CONTROL_SCALING)  // yaw also below this gas value
353
#define MIN_YAWGAS (40 * CONTROL_SCALING)  // yaw also below this gas value
361
  yawTerm = PDPartYaw - controlYaw * CONTROL_SCALING;
354
  yawTerm = PDPartYaw - controlYaw * CONTROL_SCALING;
362
  // Limit yawTerm
355
  // Limit yawTerm
363
  DebugOut.Digital[0] &= ~DEBUG_CLIP;
356
  DebugOut.Digital[0] &= ~DEBUG_CLIP;
364
  if(throttleTerm > MIN_YAWGAS) {
357
  if(throttleTerm > MIN_YAWGAS) {
365
    if (yawTerm < -throttleTerm/2) {
358
    if (yawTerm < -throttleTerm/2) {
366
      DebugOut.Digital[0] |= DEBUG_CLIP;
359
      DebugOut.Digital[0] |= DEBUG_CLIP;
367
      yawTerm = -throttleTerm/2;
360
      yawTerm = -throttleTerm/2;
368
    } else if (yawTerm > throttleTerm/2) {
361
    } else if (yawTerm > throttleTerm/2) {
369
      DebugOut.Digital[0] |= DEBUG_CLIP;
362
      DebugOut.Digital[0] |= DEBUG_CLIP;
370
      yawTerm = throttleTerm/2;
363
      yawTerm = throttleTerm/2;
371
    }
364
    }
372
    //CHECK_MIN_MAX(yawTerm, - (throttleTerm / 2), (throttleTerm / 2));
365
    //CHECK_MIN_MAX(yawTerm, - (throttleTerm / 2), (throttleTerm / 2));
373
  } else {
366
  } else {
374
    if (yawTerm < -MIN_YAWGAS/2) {
367
    if (yawTerm < -MIN_YAWGAS/2) {
375
      DebugOut.Digital[0] |= DEBUG_CLIP;
368
      DebugOut.Digital[0] |= DEBUG_CLIP;
376
      yawTerm = -MIN_YAWGAS/2;
369
      yawTerm = -MIN_YAWGAS/2;
377
    } else if (yawTerm > MIN_YAWGAS/2) {
370
    } else if (yawTerm > MIN_YAWGAS/2) {
378
      DebugOut.Digital[0] |= DEBUG_CLIP;
371
      DebugOut.Digital[0] |= DEBUG_CLIP;
379
      yawTerm = MIN_YAWGAS/2;
372
      yawTerm = MIN_YAWGAS/2;
380
    }
373
    }
381
    //CHECK_MIN_MAX(yawTerm, - (MIN_YAWGAS / 2), (MIN_YAWGAS / 2));
374
    //CHECK_MIN_MAX(yawTerm, - (MIN_YAWGAS / 2), (MIN_YAWGAS / 2));
382
  }
375
  }
383
 
376
 
384
  // FIXME: Throttle may exceed maxThrottle (there is no check no more).
377
  // FIXME: Throttle may exceed maxThrottle (there is no check no more).
385
  tmp_int = staticParams.MaxThrottle * CONTROL_SCALING;
378
  tmp_int = staticParams.MaxThrottle * CONTROL_SCALING;
386
  if (yawTerm < -(tmp_int - throttleTerm)) {
379
  if (yawTerm < -(tmp_int - throttleTerm)) {
387
    yawTerm = -(tmp_int - throttleTerm);
380
    yawTerm = -(tmp_int - throttleTerm);
388
    DebugOut.Digital[0] |= DEBUG_CLIP;
381
    DebugOut.Digital[0] |= DEBUG_CLIP;
389
  } else if (yawTerm > (tmp_int - throttleTerm)) {
382
  } else if (yawTerm > (tmp_int - throttleTerm)) {
390
    yawTerm = (tmp_int - throttleTerm);
383
    yawTerm = (tmp_int - throttleTerm);
391
    DebugOut.Digital[0] |= DEBUG_CLIP;
384
    DebugOut.Digital[0] |= DEBUG_CLIP;
392
  }
385
  }
393
 
-
 
394
  J5LOW;
-
 
395
 
386
 
396
  // CHECK_MIN_MAX(yawTerm, -(tmp_int - throttleTerm), (tmp_int - throttleTerm));
387
  // CHECK_MIN_MAX(yawTerm, -(tmp_int - throttleTerm), (tmp_int - throttleTerm));
397
  DebugOut.Digital[1] &= ~DEBUG_CLIP;
388
  DebugOut.Digital[1] &= ~DEBUG_CLIP;
398
  for (axis=PITCH; axis<=ROLL; axis++) {  
389
  for (axis=PITCH; axis<=ROLL; axis++) {  
399
    /*
390
    /*
400
     * Compose pitch and roll terms. This is finally where the sticks come into play.
391
     * Compose pitch and roll terms. This is finally where the sticks come into play.
401
     */
392
     */
402
    if(gyroIFactor) {
393
    if(gyroIFactor) {
403
      // Integration mode: Integrate (angle - stick) = the difference between angle and stick pos.
394
      // Integration mode: Integrate (angle - stick) = the difference between angle and stick pos.
404
      // That means: Holding the stick a little forward will, at constant flight attitude, cause this to grow (decline??) over time.
395
      // That means: Holding the stick a little forward will, at constant flight attitude, cause this to grow (decline??) over time.
405
      // TODO: Find out why this seems to be proportional to stick position - not integrating it at all.
396
      // TODO: Find out why this seems to be proportional to stick position - not integrating it at all.
406
      IPart[axis] += PPart[axis] - control[axis]; // Integrate difference between P part (the angle) and the stick pos.
397
      IPart[axis] += PPart[axis] - control[axis]; // Integrate difference between P part (the angle) and the stick pos.
407
    } else {
398
    } else {
408
      // "HH" mode: Integrate (rate - stick) = the difference between rotation rate and stick pos.
399
      // "HH" mode: Integrate (rate - stick) = the difference between rotation rate and stick pos.
409
      // To keep up with a full stick PDPart should be about 156...
400
      // To keep up with a full stick PDPart should be about 156...
410
      IPart[axis] += PDPart[axis] - control[axis]; // With gyroIFactor == 0, PDPart is really just a D-part. Integrate D-part (the rot. rate) and the stick pos.
401
      IPart[axis] += PDPart[axis] - control[axis]; // With gyroIFactor == 0, PDPart is really just a D-part. Integrate D-part (the rot. rate) and the stick pos.
411
    }
402
    }
412
 
403
 
413
    tmp_int = (int32_t)((int32_t) dynamicParams.DynamicStability * (int32_t) (throttleTerm + abs(yawTerm) / 2)) / 64;
404
    tmp_int = (int32_t)((int32_t) dynamicParams.DynamicStability * (int32_t) (throttleTerm + abs(yawTerm) / 2)) / 64;
414
 
405
 
415
    // TODO: From which planet comes the 16000?
406
    // TODO: From which planet comes the 16000?
416
    CHECK_MIN_MAX(IPart[axis], -(CONTROL_SCALING * 16000L), (CONTROL_SCALING * 16000L));
407
    CHECK_MIN_MAX(IPart[axis], -(CONTROL_SCALING * 16000L), (CONTROL_SCALING * 16000L));
417
    // Add (P, D) parts minus stick pos. to the scaled-down I part.
408
    // Add (P, D) parts minus stick pos. to the scaled-down I part.
418
    term[axis] = PDPart[axis] - control[axis] + IPart[axis] / Ki;    // PID-controller for pitch
409
    term[axis] = PDPart[axis] - control[axis] + IPart[axis] / Ki;    // PID-controller for pitch
419
 
410
 
420
    /*
411
    /*
421
     * Apply "dynamic stability" - that is: Limit pitch and roll terms to a growing function of throttle and yaw(!).
412
     * Apply "dynamic stability" - that is: Limit pitch and roll terms to a growing function of throttle and yaw(!).
422
     * The higher the dynamic stability parameter, the wider the bounds. 64 seems to be a kind of unity
413
     * The higher the dynamic stability parameter, the wider the bounds. 64 seems to be a kind of unity
423
     * (max. pitch or roll term is the throttle value).
414
     * (max. pitch or roll term is the throttle value).
424
     * TODO: Why a growing function of yaw?
415
     * TODO: Why a growing function of yaw?
425
     */
416
     */
426
    if (term[axis] < -tmp_int) {
417
    if (term[axis] < -tmp_int) {
427
      DebugOut.Digital[1] |= DEBUG_CLIP;
418
      DebugOut.Digital[1] |= DEBUG_CLIP;
428
    } else if (term[axis] > tmp_int) {
419
    } else if (term[axis] > tmp_int) {
429
      DebugOut.Digital[1] |= DEBUG_CLIP;
420
      DebugOut.Digital[1] |= DEBUG_CLIP;
430
    }
421
    }
431
    CHECK_MIN_MAX(term[axis], -tmp_int, tmp_int);
422
    CHECK_MIN_MAX(term[axis], -tmp_int, tmp_int);
432
  }
423
  }
433
  // end part 3: 350 - 400 usec.
424
  // end part 3: 350 - 400 usec.
434
 
-
 
435
  J5HIGH;
-
 
436
 
425
 
437
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
426
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
438
  // Universal Mixer
427
  // Universal Mixer
439
  // Each (pitch, roll, throttle, yaw) term is in the range [0..255 * CONTROL_SCALING].
428
  // Each (pitch, roll, throttle, yaw) term is in the range [0..255 * CONTROL_SCALING].
440
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
429
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
441
 
430
 
442
  DebugOut.Analog[12] = term[PITCH];
431
  DebugOut.Analog[12] = term[PITCH];
443
  DebugOut.Analog[13] = term[ROLL];
432
  DebugOut.Analog[13] = term[ROLL];
444
  DebugOut.Analog[14] = yawTerm;
433
  DebugOut.Analog[14] = yawTerm;
445
  DebugOut.Analog[15] = throttleTerm;
434
  DebugOut.Analog[15] = throttleTerm;
446
 
435
 
447
  for(i = 0; i < MAX_MOTORS; i++) {
436
  for(i = 0; i < MAX_MOTORS; i++) {
448
    int16_t tmp;
437
    int16_t tmp;
449
    if (MKFlags & MKFLAG_MOTOR_RUN && Mixer.Motor[i][MIX_THROTTLE] > 0) {
438
    if (MKFlags & MKFLAG_MOTOR_RUN && Mixer.Motor[i][MIX_THROTTLE] > 0) {
450
      tmp = ((int32_t) throttleTerm * Mixer.Motor[i][MIX_THROTTLE]) / 64L;
439
      tmp = ((int32_t) throttleTerm * Mixer.Motor[i][MIX_THROTTLE]) / 64L;
451
      tmp += ((int32_t) term[PITCH] * Mixer.Motor[i][MIX_PITCH]) / 64L;
440
      tmp += ((int32_t) term[PITCH] * Mixer.Motor[i][MIX_PITCH]) / 64L;
452
      tmp += ((int32_t) term[ROLL] * Mixer.Motor[i][MIX_ROLL]) / 64L;
441
      tmp += ((int32_t) term[ROLL] * Mixer.Motor[i][MIX_ROLL]) / 64L;
453
      tmp += ((int32_t) yawTerm * Mixer.Motor[i][MIX_YAW]) / 64L;
442
      tmp += ((int32_t) yawTerm * Mixer.Motor[i][MIX_YAW]) / 64L;
454
      motorFilters[i] = motorFilter(tmp, motorFilters[i]);
443
      motorFilters[i] = motorFilter(tmp, motorFilters[i]);
455
      // Now we scale back down to a 0..255 range.
444
      // Now we scale back down to a 0..255 range.
456
      tmp = motorFilters[i] / MOTOR_SCALING;
445
      tmp = motorFilters[i] / MOTOR_SCALING;
457
 
446
 
458
      // So this was the THIRD time a throttle was limited. But should the limitation
447
      // So this was the THIRD time a throttle was limited. But should the limitation
459
      // apply to the common throttle signal (the one used for setting the "power" of
448
      // apply to the common throttle signal (the one used for setting the "power" of
460
      // all motors together) or should it limit the throttle set for each motor,
449
      // all motors together) or should it limit the throttle set for each motor,
461
      // including mix components of pitch, roll and yaw? I think only the common
450
      // including mix components of pitch, roll and yaw? I think only the common
462
      // throttle should be limited.
451
      // throttle should be limited.
463
      // --> WRONG. This caused motors to stall completely in tight maneuvers.
452
      // --> WRONG. This caused motors to stall completely in tight maneuvers.
464
      // Apply to individual signals instead.
453
      // Apply to individual signals instead.
465
      CHECK_MIN_MAX(tmp, 8, 255);
454
      CHECK_MIN_MAX(tmp, 8, 255);
466
      motor[i].SetPoint = tmp;
455
      motor[i].SetPoint = tmp;
467
    }
456
    }
468
    else if (motorTestActive) {
457
    else if (motorTestActive) {
469
      motor[i].SetPoint = motorTest[i];
458
      motor[i].SetPoint = motorTest[i];
470
    } else {
459
    } else {
471
      motor[i].SetPoint = 0;
460
      motor[i].SetPoint = 0;
472
    }
461
    }
473
    if (i < 4)
462
    if (i < 4)
474
      DebugOut.Analog[22+i] = motor[i].SetPoint;
463
      DebugOut.Analog[22+i] = motor[i].SetPoint;
475
  }
464
  }
476
  I2C_Start(TWI_STATE_MOTOR_TX);
465
  I2C_Start(TWI_STATE_MOTOR_TX);
477
 
-
 
478
  J5LOW;
-
 
479
 
466
 
480
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
467
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
481
  // Debugging
468
  // Debugging
482
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
469
  // +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
483
  if(!(--debugDataTimer)) {
470
  if(!(--debugDataTimer)) {
484
    debugDataTimer = 24; // update debug outputs at 488 / 24 = 20.3 Hz.
471
    debugDataTimer = 24; // update debug outputs at 488 / 24 = 20.3 Hz.
485
    DebugOut.Analog[0]  = (10 * angle[PITCH]) / GYRO_DEG_FACTOR_PITCHROLL; // in 0.1 deg
472
    DebugOut.Analog[0]  = (10 * angle[PITCH]) / GYRO_DEG_FACTOR_PITCHROLL; // in 0.1 deg
486
    DebugOut.Analog[1]  = (10 * angle[ROLL]) / GYRO_DEG_FACTOR_PITCHROLL; // in 0.1 deg
473
    DebugOut.Analog[1]  = (10 * angle[ROLL]) / GYRO_DEG_FACTOR_PITCHROLL; // in 0.1 deg
487
    DebugOut.Analog[2]  = yawGyroHeading / GYRO_DEG_FACTOR_YAW;
474
    DebugOut.Analog[2]  = yawGyroHeading / GYRO_DEG_FACTOR_YAW;
488
 
475
 
489
    /*
476
    /*
490
    DebugOut.Analog[23] = (yawRate * 2 * (int32_t)yawPFactor) / (256L / CONTROL_SCALING);
477
    DebugOut.Analog[23] = (yawRate * 2 * (int32_t)yawPFactor) / (256L / CONTROL_SCALING);
491
    DebugOut.Analog[24] = controlYaw;
478
    DebugOut.Analog[24] = controlYaw;
492
    DebugOut.Analog[25] = yawAngleDiff / 100L;
479
    DebugOut.Analog[25] = yawAngleDiff / 100L;
493
    DebugOut.Analog[26] = accNoisePeak[PITCH];
480
    DebugOut.Analog[26] = accNoisePeak[PITCH];
494
    DebugOut.Analog[27] = accNoisePeak[ROLL];
481
    DebugOut.Analog[27] = accNoisePeak[ROLL];
495
    DebugOut.Analog[30] = gyroNoisePeak[PITCH];
482
    DebugOut.Analog[30] = gyroNoisePeak[PITCH];
496
    DebugOut.Analog[31] = gyroNoisePeak[ROLL];
483
    DebugOut.Analog[31] = gyroNoisePeak[ROLL];
497
    */
484
    */
498
  }
485
  }
499
}
486
}
500
 
487