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20 | In the H&I code, the results for pitch and roll are multiplied by 2 (FC1.0) |
20 | In the H&I code, the results for pitch and roll are multiplied by 2 (FC1.0) |
21 | or 4 (other versions), offset to zero, low pass filtered and then assigned |
21 | or 4 (other versions), offset to zero, low pass filtered and then assigned |
22 | to the "HiResXXXX" and "AdWertXXXXFilter" variables, where XXXX is nick or |
22 | to the "HiResXXXX" and "AdWertXXXXFilter" variables, where XXXX is nick or |
23 | roll. The factor 2 or 4 or whatever is called GYRO_FACTOR_PITCHROLL here. |
23 | roll. The factor 2 or 4 or whatever is called GYRO_FACTOR_PITCHROLL here. |
24 | */ |
24 | */ |
25 | #define GYRO_FACTOR_PITCHROLL 1 |
- | |
Line 26... | Line 25... | ||
26 | 25 | ||
27 | /* |
26 | /* |
28 | GYRO_HW_FACTOR is the relation between rotation rate and ADCValue: |
27 | GYRO_HW_FACTOR is the relation between rotation rate and ADCValue: |
29 | ADCValue [units] = |
28 | ADCValue [units] = |
Line 57... | Line 56... | ||
57 | /* |
56 | /* |
58 | * How many samples are added in one ADC loop, for pitch&roll and yaw, |
57 | * How many samples are added in one ADC loop, for pitch&roll and yaw, |
59 | * respectively. This is = the number of occurences of each channel in the |
58 | * respectively. This is = the number of occurences of each channel in the |
60 | * channelsForStates array in analog.c. |
59 | * channelsForStates array in analog.c. |
61 | */ |
60 | */ |
62 | #define GYRO_OVERSAMPLING_PITCHROLL 4 |
- | |
63 | #define GYRO_OVERSAMPLING_YAW 2 |
61 | #define GYRO_OVERSAMPLING 4 |
Line 64... | Line 62... | ||
64 | 62 | ||
65 | #define ACC_OVERSAMPLING_XY 2 |
63 | //#define ACC_OVERSAMPLING_XY 2 |
Line 66... | Line 64... | ||
66 | #define ACC_OVERSAMPLING_Z 1 |
64 | //#define ACC_OVERSAMPLING_Z 1 |
67 | 65 | ||
68 | /* |
66 | /* |
69 | * The product of the 3 above constants. This represents the expected change in ADC value sums for 1 deg/s of rotation rate. |
- | |
70 | */ |
67 | * The product of the 3 above constants. This represents the expected change in ADC value sums for 1 deg/s of rotation rate. |
Line 71... | Line 68... | ||
71 | #define GYRO_RATE_FACTOR_PITCHROLL (GYRO_HW_FACTOR * GYRO_OVERSAMPLING_PITCHROLL * GYRO_FACTOR_PITCHROLL) |
68 | */ |
72 | #define GYRO_RATE_FACTOR_YAW (GYRO_HW_FACTOR * GYRO_OVERSAMPLING_YAW) |
69 | #define GYRO_RATE_FACTOR (GYRO_HW_FACTOR * GYRO_OVERSAMPLING) |
73 | 70 | ||
74 | /* |
71 | /* |
Line 75... | Line 72... | ||
75 | * The value of gyro[PITCH/ROLL] for one deg/s = The hardware factor H * the number of samples * multiplier factor. |
72 | * The value of gyro[PITCH/ROLL] for one deg/s = The hardware factor H * the number of samples * multiplier factor. |
76 | * Will be about 10 or so for InvenSense, and about 33 for ADXRS610. |
73 | * Will be about 10 or so for InvenSense, and about 33 for ADXRS610. |
77 | */ |
74 | */ |
78 | 75 | ||
79 | /* |
76 | /* |
80 | * Gyro saturation prevention. |
77 | * Gyro saturation prevention. |
81 | */ |
78 | */ |
82 | // How far from the end of its range a gyro is considered near-saturated. |
79 | // How far from the end of its range a gyro is considered near-saturated. |
83 | #define SENSOR_MIN_PITCHROLL 32 |
80 | #define SENSOR_MIN 32 |
84 | // Other end of the range (calculated) |
81 | // Other end of the range (calculated) |
85 | #define SENSOR_MAX_PITCHROLL (GYRO_OVERSAMPLING_PITCHROLL * 1023 - SENSOR_MIN_PITCHROLL) |
82 | #define SENSOR_MAX (GYRO_OVERSAMPLING * 1023 - SENSOR_MIN) |
Line 86... | Line 83... | ||
86 | // Max. boost to add "virtually" to gyro signal at total saturation. |
83 | // Max. boost to add "virtually" to gyro signal at total saturation. |
87 | #define EXTRAPOLATION_LIMIT 2500 |
84 | #define EXTRAPOLATION_LIMIT 2500 |
88 | // Slope of the boost (calculated) |
85 | // Slope of the boost (calculated) |
89 | #define EXTRAPOLATION_SLOPE (EXTRAPOLATION_LIMIT/SENSOR_MIN_PITCHROLL) |
86 | #define EXTRAPOLATION_SLOPE (EXTRAPOLATION_LIMIT/SENSOR_MIN) |
90 | 87 | ||
Line 91... | Line 88... | ||
91 | /* |
88 | /* |
92 | * This value is subtracted from the gyro noise measurement in each iteration, |
89 | * This value is subtracted from the gyro noise measurement in each iteration, |
93 | * making it return towards zero. |
90 | * making it return towards zero. |
94 | */ |
91 | */ |
95 | #define GYRO_NOISE_MEASUREMENT_DAMPING 5 |
92 | #define GYRO_NOISE_MEASUREMENT_DAMPING 5 |
96 | 93 | ||
97 | #define PITCH 0 |
94 | #define PITCH 0 |
98 | #define ROLL 1 |
95 | #define ROLL 1 |
99 | #define YAW 2 |
96 | #define YAW 2 |
100 | #define Z 2 |
97 | //#define Z 2 |
101 | /* |
98 | /* |
102 | * The values that this module outputs |
99 | * The values that this module outputs |
103 | * These first 2 exported arrays are zero-offset. The "PID" ones are used |
100 | * These first 2 exported arrays are zero-offset. The "PID" ones are used |
104 | * in the attitude control as rotation rates. The "ATT" ones are for |
101 | * in the attitude control as rotation rates. The "ATT" ones are for |
105 | * integration to angles. For the same axis, the PID and ATT variables |
102 | * integration to angles. For the same axis, the PID and ATT variables |
106 | * generally have about the same values. There are just some differences |
103 | * generally have about the same values. There are just some differences |
- | 104 | * in filtering, and when a gyro becomes near saturated. |
|
107 | * in filtering, and when a gyro becomes near saturated. |
105 | * Maybe this distinction is not really necessary. |
108 | * Maybe this distinction is not really necessary. |
- | |
109 | */ |
106 | */ |
Line 110... | Line 107... | ||
110 | extern int16_t gyro_PID[2]; |
107 | extern int16_t gyro_PID[3]; |
111 | extern int16_t gyro_ATT[2]; |
108 | extern int16_t gyro_ATT[3]; |
Line 112... | Line 109... | ||
112 | #define GYRO_D_WINDOW_LENGTH 8 |
109 | #define GYRO_D_WINDOW_LENGTH 8 |
113 | extern int16_t gyroD[3]; |
110 | |
114 | extern int16_t yawGyro; |
111 | extern int16_t gyroD[3]; |
Line 115... | Line 112... | ||
115 | extern int16_t UBat; |
112 | extern int16_t UBat; |
116 | 113 | ||
117 | // 1:11 voltage divider, 1024 counts per 3V, and result is divided by 3. |
114 | // 1:11 voltage divider, 1024 counts per 3V, and result is divided by 3. |
118 | #define UBAT_AT_5V (int16_t)((5.0 * (1.0/11.0)) * 1024 / (3.0 * 3)) |
115 | #define UBAT_AT_5V (int16_t)((5.0 * (1.0/11.0)) * 1024 / (3.0 * 3)) |
Line 119... | Line 116... | ||
119 | 116 | ||
120 | extern sensorOffset_t gyroOffset; |
117 | extern sensorOffset_t gyroOffset; |
121 | extern sensorOffset_t accOffset; |
118 | //extern sensorOffset_t accOffset; |
122 | extern sensorOffset_t gyroAmplifierOffset; |
119 | extern sensorOffset_t gyroAmplifierOffset; |
123 | 120 | ||
124 | /* |
121 | /* |
Line 125... | Line 122... | ||
125 | * This is not really for external use - but the ENC-03 gyro modules needs it. |
122 | * This is not really for external use - but the ENC-03 gyro modules needs it. |
126 | */ |
123 | */ |
127 | //extern volatile int16_t rawGyroSum[3]; |
124 | //extern volatile int16_t rawGyroSum[3]; |
Line 231... | Line 228... | ||
231 | void analog_calibrateGyros(void); |
228 | void analog_calibrateGyros(void); |
Line 232... | Line 229... | ||
232 | 229 | ||
233 | /* |
230 | /* |
234 | * Zero-offset accelerometers and write the calibration data to EEPROM. |
231 | * Zero-offset accelerometers and write the calibration data to EEPROM. |
235 | */ |
232 | */ |
Line 236... | Line 233... | ||
236 | void analog_calibrateAcc(void); |
233 | //void analog_calibrateAcc(void); |
Line 237... | Line 234... | ||
237 | 234 |