Subversion Repositories FlightCtrl

Rev

Rev 2099 | Rev 2103 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2099 Rev 2102
Line 1... Line 1...
1
#include <avr/io.h>
1
#include <avr/io.h>
2
#include <avr/interrupt.h>
2
#include <avr/interrupt.h>
3
#include "eeprom.h"
3
#include "eeprom.h"
-
 
4
#include "output.h"
4
#include "rc.h"
5
#include "flight.h"
5
#include "attitude.h"
6
#include "attitude.h"
Line 6... Line 7...
6
 
7
 
Line 7... Line 8...
7
#define COARSERESOLUTION 1
8
// #define COARSERESOLUTION 1
8
 
9
 
9
#ifdef COARSERESOLUTION
10
#ifdef COARSERESOLUTION
10
#define NEUTRAL_PULSELENGTH 938
11
#define NEUTRAL_PULSELENGTH 938
Line 24... Line 25...
24
#define MAX_SERVOS 8
25
#define MAX_SERVOS 8
25
#define FRAMELEN ((NEUTRAL_PULSELENGTH + SERVOLIMIT) * staticParams.servoCount + 128)
26
#define FRAMELEN ((NEUTRAL_PULSELENGTH + SERVOLIMIT) * staticParams.servoCount + 128)
26
#define MIN_PULSELENGTH (NEUTRAL_PULSELENGTH - SERVOLIMIT)
27
#define MIN_PULSELENGTH (NEUTRAL_PULSELENGTH - SERVOLIMIT)
27
#define MAX_PULSELENGTH (NEUTRAL_PULSELENGTH + SERVOLIMIT)
28
#define MAX_PULSELENGTH (NEUTRAL_PULSELENGTH + SERVOLIMIT)
Line 28... Line -...
28
 
-
 
29
//volatile uint8_t servoActive = 0;
29
 
30
volatile uint8_t recalculateServoTimes = 0;
30
volatile uint8_t recalculateServoTimes = 0;
31
volatile uint16_t servoValues[MAX_SERVOS];
31
volatile uint16_t servoValues[MAX_SERVOS];
Line 32... Line 32...
32
volatile uint16_t previousManualValues[2];
32
volatile uint16_t previousManualValues[2];
Line 81... Line 81...
81
      previousManualValues[axis] = dynamicParams.servoManualControl[axis] * SCALE_FACTOR;
81
      previousManualValues[axis] = dynamicParams.servoManualControl[axis] * SCALE_FACTOR;
Line 82... Line 82...
82
 
82
 
83
    SREG = sreg;
83
    SREG = sreg;
Line 84... Line -...
84
}
-
 
85
 
-
 
86
/*
-
 
87
void servo_On(void) {
-
 
88
    servoActive = 1;
-
 
89
}
-
 
90
void servo_Off(void) {
-
 
91
    servoActive = 0;
-
 
92
    HEF4017R_ON; // enable reset
-
 
93
}
-
 
94
*/
84
}
95
 
85
 
96
/*****************************************************
86
/*****************************************************
97
 * Control Servo Position
-
 
98
 *****************************************************/
-
 
99
 
-
 
100
/*typedef struct {
-
 
101
  uint8_t manualControl;
-
 
102
  uint8_t compensationFactor;
-
 
103
  uint8_t minValue;
-
 
104
  uint8_t maxValue;
-
 
105
  uint8_t flags;
-
 
106
} servo_t;*/
87
 * Control (camera gimbal etc.) servos
107
 
88
 *****************************************************/
108
int16_t calculateStabilizedServoAxis(uint8_t axis) {
89
int16_t calculateStabilizedServoAxis(uint8_t axis) {
109
  int32_t value = attitude[axis] >> STABILIZATION_LOG_DIVIDER; // between -500000 to 500000 extreme limits. Just about
90
  int32_t value = attitude[axis] >> STABILIZATION_LOG_DIVIDER; // between -500000 to 500000 extreme limits. Just about
110
  // With full blast on stabilization gain (255) we want to convert a delta of, say, 125000 to 2000.
91
  // With full blast on stabilization gain (255) we want to convert a delta of, say, 125000 to 2000.
Line 134... Line 115...
134
  value += calculateStabilizedServoAxis(axis);
115
  value += calculateStabilizedServoAxis(axis);
135
  int16_t limit = staticParams.servoConfigurations[axis].minValue * SCALE_FACTOR;
116
  int16_t limit = staticParams.servoConfigurations[axis].minValue * SCALE_FACTOR;
136
  if (value < limit) value = limit;
117
  if (value < limit) value = limit;
137
  limit = staticParams.servoConfigurations[axis].maxValue * SCALE_FACTOR;
118
  limit = staticParams.servoConfigurations[axis].maxValue * SCALE_FACTOR;
138
  if (value > limit) value = limit;
119
  if (value > limit) value = limit;
139
  return value;
-
 
140
}
-
 
141
 
-
 
142
uint16_t servoValue(uint8_t axis) {
-
 
143
  int16_t value;
-
 
144
  if (axis<2) value = featuredServoValue(axis);
-
 
145
  else value = 128 * SCALE_FACTOR; // dummy. Replace by something useful for servos 3..8.
-
 
146
  // Shift out of the [0..255*SCALE_FACTOR] space
-
 
147
  value -= (128 * SCALE_FACTOR);
120
  value -= (128 * SCALE_FACTOR);
148
  if (value < -SERVOLIMIT) value = -SERVOLIMIT;
121
  if (value < -SERVOLIMIT) value = -SERVOLIMIT;
149
  else if (value > SERVOLIMIT) value = SERVOLIMIT;
122
  else if (value > SERVOLIMIT) value = SERVOLIMIT;
150
  // Shift into the [NEUTRAL_PULSELENGTH-SERVOLIMIT..NEUTRAL_PULSELENGTH+SERVOLIMIT] space.
123
  // Shift into the [NEUTRAL_PULSELENGTH-SERVOLIMIT..NEUTRAL_PULSELENGTH+SERVOLIMIT] space.
151
  return value + NEUTRAL_PULSELENGTH;
124
  return value + NEUTRAL_PULSELENGTH;
152
}
125
}
Line 153... Line 126...
153
 
126
 
-
 
127
void calculateControlServoValues(void) {
-
 
128
  int16_t value;
-
 
129
  for (uint8_t axis=0; axis<3; axis++) {
-
 
130
        value = controlServos[axis];
-
 
131
        value /= 2;
-
 
132
        servoValues[axis] = value + NEUTRAL_PULSELENGTH;
-
 
133
  }
-
 
134
  debugOut.analog[18] = servoValues[0];
-
 
135
  debugOut.analog[19] = servoValues[2];
-
 
136
}
-
 
137
 
-
 
138
void calculateFeaturedServoValues(void) {
-
 
139
  int16_t value;
-
 
140
  uint8_t axis;
-
 
141
 
154
void calculateServoValues(void) {
142
  // Save the computation cost of computing a new value before the old one is used.
-
 
143
  if (!recalculateServoTimes) return;
155
  if (!recalculateServoTimes) return;
144
 
-
 
145
  for (axis=0; axis<2; axis++) {
156
  for (uint8_t axis=0; axis<MAX_SERVOS; axis++) {
146
        value = featuredServoValue(axis);
157
    servoValues[axis] = servoValue(axis);
147
        servoValues[axis + 3] = value;
-
 
148
  }
-
 
149
  for (axis=2; axis<MAX_SERVOS; axis++) {
-
 
150
        value = 128 * SCALE_FACTOR;
-
 
151
        servoValues[axis + 3] = value;
-
 
152
  }
158
  }
153
 
159
  recalculateServoTimes = 0;
154
  recalculateServoTimes = 0;
Line 160... Line 155...
160
}
155
}
161
 
156