Subversion Repositories FlightCtrl

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Rev 2112 Rev 2158
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#include <avr/boot.h>
1
#include <avr/boot.h>
2
#include <avr/io.h>
2
#include <avr/io.h>
3
#include <avr/interrupt.h>
3
#include <avr/interrupt.h>
4
#include <util/delay.h>
4
#include <util/delay.h>
5
 
5
 
6
#include "timer0.h"
6
#include "timer0.h"
7
#include "timer2.h"
7
#include "timer2.h"
8
#include "uart0.h"
8
#include "uart0.h"
9
#include "uart1.h"
9
#include "uart1.h"
10
#include "output.h"
10
#include "output.h"
11
#include "menu.h"
11
#include "menu.h"
12
#include "attitude.h"
12
#include "attitude.h"
13
#include "commands.h"
13
#include "commands.h"
14
#include "flight.h"
14
#include "flight.h"
15
#include "rc.h"
15
#include "rc.h"
16
#include "analog.h"
16
#include "analog.h"
17
#include "configuration.h"
17
#include "configuration.h"
18
#include "printf_P.h"
18
#include "printf_P.h"
19
#include "twimaster.h"
19
#include "twimaster.h"
20
#include "controlMixer.h"
20
#include "controlMixer.h"
21
#ifdef USE_NAVICTRL
21
#ifdef USE_NAVICTRL
22
#include "spi.h"
22
#include "spi.h"
23
#endif
23
#endif
24
#ifdef USE_MK3MAG
24
#ifdef USE_MK3MAG
25
#include "mk3mag.h"
25
#include "mk3mag.h"
26
#endif
26
#endif
27
#include "eeprom.h"
27
#include "eeprom.h"
28
 
28
 
29
int16_t main(void) {
29
int16_t main(void) {
30
  uint16_t timer;
30
  uint16_t timer;
31
 
31
 
32
  // disable interrupts global
32
  // disable interrupts global
33
  cli();
33
  cli();
34
 
34
 
35
  // analyze hardware environment
35
  // analyze hardware environment
36
  setCPUType();
36
  setCPUType();
37
  setBoardRelease();
37
  setBoardRelease();
38
 
38
 
39
  // disable watchdog
39
  // disable watchdog
40
  MCUSR &= ~(1 << WDRF);
40
  MCUSR &= ~(1 << WDRF);
41
  WDTCSR |= (1 << WDCE) | (1 << WDE);
41
  WDTCSR |= (1 << WDCE) | (1 << WDE);
42
  WDTCSR = 0;
42
  WDTCSR = 0;
43
 
43
 
44
// This is strange: It should NOT be necessarty to do. But the call of the same,
44
// This is strange: It should NOT be necessarty to do. But the call of the same,
45
// in channelMap_readOrDefault (if eeprom read fails) just sets all to 0,0,0,....
45
// in channelMap_readOrDefault (if eeprom read fails) just sets all to 0,0,0,....
46
channelMap_default();
46
channelMap_default();
47
 
47
 
48
  // initalize modules
48
  // initalize modules
49
  output_init();
49
  output_init();
50
  timer0_init();
50
  timer0_init();
51
  timer2_init();
51
  timer2_init();
52
  usart0_init();
52
  usart0_init();
53
  //if (CPUType == ATMEGA644P);// usart1_Init();
53
  //if (CPUType == ATMEGA644P);// usart1_Init();
54
  RC_Init();
54
  RC_Init();
55
  analog_init();
55
  analog_init();
56
  I2C_init();
56
  I2C_init();
57
#ifdef USE_NAVICTRL
57
#ifdef USE_NAVICTRL
58
  SPI_MasterInit();
58
  SPI_MasterInit();
59
#endif
59
#endif
60
#ifdef USE_MK3MAG
60
#ifdef USE_MK3MAG
61
  MK3MAG_init();
61
  MK3MAG_init();
62
#endif
62
#endif
63
#ifdef USE_DIRECT_GPS
63
#ifdef USE_DIRECT_GPS
64
  usart1_init();
64
  usart1_init();
65
#endif
65
#endif
66
 
66
 
67
  // Parameter Set handling
67
  // Parameter Set handling
68
  IMUConfig_readOrDefault();
68
  IMUConfig_readOrDefault();
69
  channelMap_readOrDefault();
69
  channelMap_readOrDefault();
70
  mixerMatrix_readOrDefault();
70
  motorMixer_readOrDefault();
71
  paramSet_readOrDefault();
71
  paramSet_readOrDefault();
72
 
72
 
73
  // enable interrupts global
73
  // enable interrupts global
74
  sei();
74
  sei();
75
 
75
 
76
  printf("\n\r===================================");
76
  printf("\n\r===================================");
77
  printf("\n\rFlightControl");
77
  printf("\n\rFlightControl");
78
  printf("\n\rHardware: Custom");
78
  printf("\n\rHardware: Custom");
79
  printf("\n\r     CPU: Atmega644");
79
  printf("\n\r     CPU: Atmega644");
80
  if (CPUType == ATMEGA644P)
80
  if (CPUType == ATMEGA644P)
81
    printf("p");
81
    printf("p");
82
  printf("\n\rSoftware: V%d.%d%c",VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH + 'a');
82
  printf("\n\rSoftware: V%d.%d%c",VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH + 'a');
83
  printf("\n\r===================================");
83
  printf("\n\r===================================");
84
 
84
 
85
  // Wait for a short time (otherwise the RC channel check won't work below)
85
  // Wait for a short time (otherwise the RC channel check won't work below)
86
  // timer = SetDelay(500);
86
  // timer = SetDelay(500);
87
  // while(!CheckDelay(timer));
87
  // while(!CheckDelay(timer));
88
 
88
 
89
  // Instead, while away the time by flashing the 2 outputs:
89
  // Instead, while away the time by flashing the 2 outputs:
90
  // First J16, then J17. Makes it easier to see which is which.
90
  // First J16, then J17. Makes it easier to see which is which.
91
  timer = setDelay(200);
91
  timer = setDelay(200);
92
  outputSet(0,1);
92
  outputSet(0,1);
93
  GRN_OFF;
93
  GRN_OFF;
94
  RED_ON;
94
  RED_ON;
95
  while (!checkDelay(timer))
95
  while (!checkDelay(timer))
96
    ;
96
    ;
97
 
97
 
98
  timer = setDelay(200);
98
  timer = setDelay(200);
99
  outputSet(0,0);
99
  outputSet(0,0);
100
  outputSet(1,1);
100
  outputSet(1,1);
101
  RED_OFF;
101
  RED_OFF;
102
  GRN_ON;
102
  GRN_ON;
103
  while (!checkDelay(timer))
103
  while (!checkDelay(timer))
104
    ;
104
    ;
105
 
105
 
106
  timer = setDelay(200);
106
  timer = setDelay(200);
107
  while (!checkDelay(timer))
107
  while (!checkDelay(timer))
108
    ;
108
    ;
109
  outputSet(1,0);
109
  outputSet(1,0);
110
  GRN_OFF;
110
  GRN_OFF;
111
 
111
 
112
  twi_diagnostics();
112
  twi_diagnostics();
113
 
113
 
114
  printf("\n\r===================================");
114
  printf("\n\r===================================");
115
 
115
 
116
#ifdef USE_NAVICTRL
116
#ifdef USE_NAVICTRL
117
  printf("\n\rSupport for NaviCtrl");
117
  printf("\n\rSupport for NaviCtrl");
118
#endif
118
#endif
119
 
119
 
120
#ifdef USE_DIRECT_GPS
120
#ifdef USE_DIRECT_GPS
121
  printf("\n\rDirect (no NaviCtrl) navigation");
121
  printf("\n\rDirect (no NaviCtrl) navigation");
122
#endif
122
#endif
123
 
123
 
124
  controlMixer_setNeutral();
124
  controlMixer_setNeutral();
125
 
125
 
126
  // Cal. attitude sensors and reset integrals.
126
  // Cal. attitude sensors and reset integrals.
127
  attitude_setNeutral();
127
  attitude_setNeutral();
128
 
128
 
129
  // Init flight parameters
129
  // Init flight parameters
130
  // flight_setNeutral();
130
  // flight_setNeutral();
131
 
131
 
132
  beep(2000);
132
  beep(2000);
133
 
133
 
134
  printf("\n\rControl: ");
134
  printf("\n\rControl: ");
135
  if (staticParams.bitConfig & CFG_HEADING_HOLD)
135
  if (staticParams.bitConfig & CFG_HEADING_HOLD)
136
    printf("Heading Hold");
136
    printf("Heading Hold");
137
    else printf("RTL Mode");
137
    else printf("RTL Mode");
138
 
138
 
139
  printf("\n\n\r");
139
  printf("\n\n\r");
140
 
140
 
141
  LCD_clear();
141
  LCD_clear();
142
 
142
 
143
  I2CTimeout = 5000;
143
  I2CTimeout = 5000;
144
 
144
 
145
  while (1) {
145
  while (1) {
146
    if (runFlightControl) { // control interval
146
    if (runFlightControl) { // control interval
147
      runFlightControl = 0; // reset Flag, is enabled every 2 ms by ISR of timer0
147
      runFlightControl = 0; // reset Flag, is enabled every 2 ms by ISR of timer0
148
      if (!analogDataReady) {
148
      if (!analogDataReady) {
149
        // Analog data should have been ready but is not!!
149
        // Analog data should have been ready but is not!!
150
        debugOut.digital[0] |= DEBUG_MAINLOOP_TIMER;
150
        debugOut.digital[0] |= DEBUG_MAINLOOP_TIMER;
151
      } else {
151
      } else {
152
        debugOut.digital[0] &= ~DEBUG_MAINLOOP_TIMER;
152
        debugOut.digital[0] &= ~DEBUG_MAINLOOP_TIMER;
153
 
153
 
154
        J4HIGH;
154
        J4HIGH;
155
        // This is probably the correct order:
155
        // This is probably the correct order:
156
        // The attitude computation should not depend on anything from control (except maybe the estimation of control activity level)
156
        // The attitude computation should not depend on anything from control (except maybe the estimation of control activity level)
157
        // The control may depend on attitude - for example, attitude control uses pitch and roll angles, compass control uses yaw angle etc.
157
        // The control may depend on attitude - for example, attitude control uses pitch and roll angles, compass control uses yaw angle etc.
158
        // Flight control uses results from both.
158
        // Flight control uses results from both.
159
        calculateFlightAttitude();
159
        calculateFlightAttitude();
160
        controlMixer_periodicTask();
160
        controlMixer_periodicTask();
161
        commands_handleCommands();
161
        commands_handleCommands();
162
        flight_control();
162
        flight_control();
163
        J4LOW;
163
        J4LOW;
164
 
164
 
165
        if (!--I2CTimeout || missingMotor) { // try to reset the i2c if motor is missing or timeout
165
        if (!--I2CTimeout || missingMotor) { // try to reset the i2c if motor is missing or timeout
166
          if (!I2CTimeout) {
166
          if (!I2CTimeout) {
167
            I2C_Reset();
167
            I2C_Reset();
168
            I2CTimeout = 5;
168
            I2CTimeout = 5;
169
          }
169
          }
170
          beepI2CAlarm();
170
          beepI2CAlarm();
171
        }
171
        }
172
       
172
       
173
      // Allow serial data transmission if there is still time, or if we are not flying anyway.
173
      // Allow serial data transmission if there is still time, or if we are not flying anyway.
174
      if (!runFlightControl || !(MKFlags & MKFLAG_MOTOR_RUN)) {
174
      if (!runFlightControl || !(MKFlags & MKFLAG_MOTOR_RUN)) {
175
          usart0_transmitTxData();
175
          usart0_transmitTxData();
176
        }
176
        }
177
 
177
 
178
        usart0_processRxData();
178
        usart0_processRxData();
179
 
179
 
180
        if (checkDelay(timer)) {
180
        if (checkDelay(timer)) {
181
          if (UBat <= UBAT_AT_5V) {
181
          if (UBat <= UBAT_AT_5V) {
182
            // Do nothing. The voltage on the input side of the regulator is <5V;
182
            // Do nothing. The voltage on the input side of the regulator is <5V;
183
            // we must be running off USB power. Keep it quiet.
183
            // we must be running off USB power. Keep it quiet.
184
          } else if (UBat < staticParams.batteryVoltageWarning) {
184
          } else if (UBat < staticParams.batteryVoltageWarning) {
185
            beepBatteryAlarm();
185
            beepBatteryAlarm();
186
          }
186
          }
187
 
187
 
188
#ifdef USE_NAVICTRL
188
#ifdef USE_NAVICTRL
189
          SPI_StartTransmitPacket();
189
          SPI_StartTransmitPacket();
190
          SendSPI = 4;
190
          SendSPI = 4;
191
#endif
191
#endif
192
          timer = setDelay(20); // every 20 ms
192
          timer = setDelay(20); // every 20 ms
193
        }
193
        }
194
        output_update();
194
        output_update();
195
      }
195
      }
196
 
196
 
197
#ifdef USE_NAVICTRL
197
#ifdef USE_NAVICTRL
198
      if(!SendSPI) {
198
      if(!SendSPI) {
199
        // SendSPI is decremented in timer0.c with a rate of 9.765 kHz.
199
        // SendSPI is decremented in timer0.c with a rate of 9.765 kHz.
200
        // within the SPI_TransmitByte() routine the value is set to 4.
200
        // within the SPI_TransmitByte() routine the value is set to 4.
201
        // I.e. the SPI_TransmitByte() is called at a rate of 9.765 kHz/4= 2441.25 Hz,
201
        // I.e. the SPI_TransmitByte() is called at a rate of 9.765 kHz/4= 2441.25 Hz,
202
        // and therefore the time of transmission of a complete spi-packet (32 bytes) is 32*4/9.765 kHz = 13.1 ms.
202
        // and therefore the time of transmission of a complete spi-packet (32 bytes) is 32*4/9.765 kHz = 13.1 ms.
203
        SPI_TransmitByte();
203
        SPI_TransmitByte();
204
      }
204
      }
205
#endif
205
#endif
206
 
206
 
207
          calculateServoValues();
207
          calculateServoValues();
208
         
208
         
209
          if (runFlightControl) { // Time for the next iteration was up before the current finished. Signal error.
209
          if (runFlightControl) { // Time for the next iteration was up before the current finished. Signal error.
210
        debugOut.digital[1] |= DEBUG_MAINLOOP_TIMER;
210
        debugOut.digital[1] |= DEBUG_MAINLOOP_TIMER;
211
      } else {
211
      } else {
212
        debugOut.digital[1] &= ~DEBUG_MAINLOOP_TIMER;
212
        debugOut.digital[1] &= ~DEBUG_MAINLOOP_TIMER;
213
          }      
213
          }      
214
    }
214
    }
215
  }
215
  }
216
  return (1);
216
  return (1);
217
}
217
}
218
 
218