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      1 /*
      2  $License:
      3     Copyright (C) 2011-2012 InvenSense Corporation, All Rights Reserved.
      4     See included License.txt for License information.
      5  $
      6  */
      7 #ifndef INV_DATA_BUILDER_H__
      8 #define INV_DATA_BUILDER_H__
      9 
     10 #include <stdio.h>
     11 #include "mltypes.h"
     12 
     13 #ifdef __cplusplus
     14 extern "C" {
     15 #endif
     16 
     17 // Uncomment this flag to enable playback debug and record or playback scenarios
     18 //#define INV_PLAYBACK_DBG
     19 
     20 /** This is a new sample of accel data */
     21 #define INV_ACCEL_NEW 1
     22 /** This is a new sample of gyro data */
     23 #define INV_GYRO_NEW 2
     24 /** This is a new sample of compass data */
     25 #define INV_MAG_NEW 4
     26 /** This is a new sample of temperature data */
     27 #define INV_TEMP_NEW 8
     28 /** This is a new sample of quaternion data */
     29 #define INV_QUAT_NEW 16
     30 
     31 /** Set if the data is contiguous. Typically not set if a sample was skipped */
     32 #define INV_CONTIGUOUS 16
     33 /** Set if the calibrated data has been solved for */
     34 #define INV_CALIBRATED 32
     35 /** INV_NEW_DATA set for a new set of data, cleared if not available. */
     36 #define INV_NEW_DATA 64
     37 /** Set if raw data exists */
     38 #define INV_RAW_DATA 128
     39 /** Set if the sensor is on */
     40 #define INV_SENSOR_ON 256
     41 /** Set if quaternion has bias correction applied */
     42 #define INV_BIAS_APPLIED 512
     43 /** Set if quaternion is 6-axis */
     44 #define INV_QUAT_6AXIS 1024
     45 /** Set if quaternion is 9 axis */
     46 #define INV_QUAT_9AXIS 2048
     47 /** Set if quaternion is 3-axis, 3 elements (android only) */
     48 #define INV_QUAT_3AXIS 4096
     49 /** Set if DMP has applied bias */
     50 #define INV_DMP_BIAS_APPLIED 8192
     51 
     52 #define INV_PRIORITY_MOTION_NO_MOTION          100
     53 #define INV_PRIORITY_GYRO_TC                   150
     54 #define INV_PRIORITY_QUATERNION_GYRO_ACCEL     200
     55 #define INV_PRIORITY_QUATERNION_NO_GYRO        250
     56 #define INV_PRIORITY_MAGNETIC_DISTURBANCE      300
     57 #define INV_PRIORITY_HEADING_FROM_GYRO         350
     58 #define INV_PRIORITY_COMPASS_BIAS_W_GYRO       375
     59 #define INV_PRIORITY_COMPASS_VECTOR_CAL        400
     60 #define INV_PRIORITY_COMPASS_ADV_BIAS          500
     61 #define INV_PRIORITY_9_AXIS_FUSION             600
     62 #define INV_PRIORITY_9_AXIS_FUSION_LIGHT       650
     63 #define INV_PRIORITY_QUATERNION_ADJUST_9_AXIS  700
     64 #define INV_PRIORITY_QUATERNION_ACCURACY       750
     65 #define INV_PRIORITY_RESULTS_HOLDER            800
     66 #define INV_PRIORITY_INUSE_AUTO_CALIBRATION    850
     67 #define INV_PRIORITY_HAL_OUTPUTS               900
     68 #define INV_PRIORITY_GLYPH                     950
     69 #define INV_PRIORITY_SHAKE                     975
     70 #define INV_PRIORITY_SM                        1000
     71 
     72 struct inv_single_sensor_t {
     73     /** Orientation Descriptor. Describes how to go from the mounting frame to the body frame when
     74     * the rotation matrix could be thought of only having elements of 0,1,-1.
     75     * 2 bits are used to describe the column of the 1 or -1 and the 3rd bit is used for the sign.
     76     * Bit 8 is sign of +/- 1 in third row. Bit 6-7 is column of +/-1 in third row.
     77     * Bit 5 is sign of +/- 1 in second row. Bit 3-4 is column of +/-1 in second row.
     78     * Bit 2 is sign of +/- 1 in first row. Bit 0-1 is column of +/-1 in first row.
     79     */
     80     int orientation;
     81     /** The raw data in raw data units in the mounting frame */
     82     short raw[3];
     83     /** Raw data in body frame */
     84     long raw_scaled[3];
     85     /** Calibrated data */
     86     long calibrated[3];
     87     long sensitivity;
     88     /** Sample rate in microseconds */
     89     long sample_rate_us;
     90     long sample_rate_ms;
     91     /** INV_CONTIGUOUS is set for contiguous data. Will not be set if there was a sample
     92     * skipped due to power savings turning off this sensor.
     93     * INV_NEW_DATA set for a new set of data, cleared if not available.
     94     * INV_CALIBRATED_SET if calibrated data has been solved for */
     95     int status;
     96     /** 0 to 3 for how well sensor data and biases are known. 3 is most accurate. */
     97     int accuracy;
     98     inv_time_t timestamp;
     99     inv_time_t timestamp_prev;
    100     /** Bandwidth in Hz */
    101     int bandwidth;
    102 };
    103 
    104 struct inv_quat_sensor_t {
    105     long raw[4];
    106     /** INV_CONTIGUOUS is set for contiguous data. Will not be set if there was a sample
    107     * skipped due to power savings turning off this sensor.
    108     * INV_NEW_DATA set for a new set of data, cleared if not available.
    109     * INV_CALIBRATED_SET if calibrated data has been solved for */
    110     int status;
    111     inv_time_t timestamp;
    112     long sample_rate_us;
    113     long sample_rate_ms;
    114 };
    115 
    116 struct inv_soft_iron_t {
    117     long raw[3];
    118     long trans[3];
    119     long matrix_d[9];  // Q30 format fixed point. The dynamic range is (-2.0 to 2.0);
    120     float matrix_f[9];
    121 
    122     int enable;
    123 };
    124 
    125 struct inv_sensor_cal_t {
    126     struct inv_single_sensor_t gyro;
    127     struct inv_single_sensor_t accel;
    128     struct inv_single_sensor_t compass;
    129     struct inv_single_sensor_t temp;
    130     struct inv_quat_sensor_t quat;
    131     struct inv_soft_iron_t soft_iron;
    132     /** Combinations of INV_GYRO_NEW, INV_ACCEL_NEW, INV_MAG_NEW to indicate
    133     * which data is a new sample as these data points may have different sample rates.
    134     */
    135     int status;
    136 };
    137 
    138 // Useful for debug record and playback
    139 typedef enum {
    140     RD_NO_DEBUG,
    141     RD_RECORD,
    142     RD_PLAYBACK
    143 } rd_dbg_mode;
    144 
    145 typedef enum {
    146     PLAYBACK_DBG_TYPE_GYRO,
    147     PLAYBACK_DBG_TYPE_ACCEL,
    148     PLAYBACK_DBG_TYPE_COMPASS,
    149     PLAYBACK_DBG_TYPE_TEMPERATURE,
    150     PLAYBACK_DBG_TYPE_EXECUTE,
    151     PLAYBACK_DBG_TYPE_A_ORIENT,
    152     PLAYBACK_DBG_TYPE_G_ORIENT,
    153     PLAYBACK_DBG_TYPE_C_ORIENT,
    154     PLAYBACK_DBG_TYPE_A_SAMPLE_RATE,
    155     PLAYBACK_DBG_TYPE_C_SAMPLE_RATE,
    156     PLAYBACK_DBG_TYPE_G_SAMPLE_RATE,
    157     PLAYBACK_DBG_TYPE_GYRO_OFF,
    158     PLAYBACK_DBG_TYPE_ACCEL_OFF,
    159     PLAYBACK_DBG_TYPE_COMPASS_OFF,
    160     PLAYBACK_DBG_TYPE_Q_SAMPLE_RATE,
    161     PLAYBACK_DBG_TYPE_QUAT,
    162     PLAYBACK_DBG_TYPE_QUAT_OFF
    163 } inv_rd_dbg_states;
    164 
    165 /** Change this key if the definition of the struct inv_db_save_t changes.
    166     Previous keys: 53394, 53395 */
    167 #define INV_DB_SAVE_KEY (53396)
    168 
    169 #define INV_DB_SAVE_MPL_KEY (50001)
    170 
    171 struct inv_db_save_t {
    172     /** compass Bias in chip frame, hardware units scaled by 2^16. */
    173     long compass_bias[3];
    174     /** gyro factory bias in chip frame, hardware units scaled by 2^16,
    175         +/- 2000 dps full scale. */
    176     long factory_gyro_bias[3];
    177     /** temperature when factory_gyro_bias was stored. */
    178     long gyro_temp;
    179     /** flag to indicate temperature compensation that biases where stored. */
    180     int gyro_bias_tc_set;
    181     /** accel bias in chip frame, hardware units scaled by 2^16,
    182         +/- 2 gee full scale. */
    183     long accel_bias[3];
    184     /** temperature when accel bias was stored. */
    185     long accel_temp;
    186     long gyro_temp_slope[3];
    187     /** sensor accuracies */
    188     int gyro_accuracy;
    189     int accel_accuracy;
    190     int compass_accuracy;
    191 };
    192 
    193 struct inv_db_save_mpl_t {
    194     /** gyro bias in chip frame, hardware units scaled by 2^16, +/- 2000 dps
    195         full scale */
    196     long gyro_bias[3];
    197 };
    198 
    199 /** Maximum number of data callbacks that are supported. Safe to increase if needed.*/
    200 #define INV_MAX_DATA_CB 20
    201 
    202 #ifdef INV_PLAYBACK_DBG
    203 void inv_turn_on_data_logging(FILE *file);
    204 void inv_turn_off_data_logging();
    205 #endif
    206 
    207 void inv_set_gyro_orientation_and_scale(int orientation, long sensitivity);
    208 void inv_set_accel_orientation_and_scale(int orientation,
    209         long sensitivity);
    210 void inv_set_compass_orientation_and_scale(int orientation,
    211         long sensitivity);
    212 void inv_set_gyro_sample_rate(long sample_rate_us);
    213 void inv_set_compass_sample_rate(long sample_rate_us);
    214 void inv_set_quat_sample_rate(long sample_rate_us);
    215 void inv_set_accel_sample_rate(long sample_rate_us);
    216 void inv_set_gyro_bandwidth(int bandwidth_hz);
    217 void inv_set_accel_bandwidth(int bandwidth_hz);
    218 void inv_set_compass_bandwidth(int bandwidth_hz);
    219 
    220 void inv_get_gyro_sample_rate_ms(long *sample_rate_ms);
    221 void inv_get_accel_sample_rate_ms(long *sample_rate_ms);
    222 void inv_get_compass_sample_rate_ms(long *sample_rate_ms);
    223 
    224 inv_error_t inv_register_data_cb(inv_error_t (*func)
    225                                  (struct inv_sensor_cal_t * data), int priority,
    226                                  int sensor_type);
    227 inv_error_t inv_unregister_data_cb(inv_error_t (*func)
    228                                    (struct inv_sensor_cal_t * data));
    229 
    230 inv_error_t inv_build_gyro(const short *gyro, inv_time_t timestamp);
    231 inv_error_t inv_build_compass(const long *compass, int status,
    232                                   inv_time_t timestamp);
    233 inv_error_t inv_build_accel(const long *accel, int status,
    234                             inv_time_t timestamp);
    235 inv_error_t inv_build_temp(const long temp, inv_time_t timestamp);
    236 inv_error_t inv_build_quat(const long *quat, int status, inv_time_t timestamp);
    237 inv_error_t inv_execute_on_data(void);
    238 
    239 void inv_get_compass_bias(long *bias);
    240 
    241 void inv_set_compass_bias(const long *bias, int accuracy);
    242 void inv_set_compass_disturbance(int dist);
    243 void inv_set_gyro_bias(const long *bias);
    244 void inv_set_mpl_gyro_bias(const long *bias, int accuracy);
    245 void inv_set_accel_bias(const long *bias, int accuracy);
    246 void inv_set_accel_accuracy(int accuracy);
    247 void inv_set_accel_bias_mask(const long *bias, int accuracy, int mask);
    248 
    249 void inv_get_compass_soft_iron_matrix_d(long *matrix);
    250 void inv_set_compass_soft_iron_matrix_d(long *matrix);
    251 
    252 void inv_get_compass_soft_iron_matrix_f(float *matrix);
    253 void inv_set_compass_soft_iron_matrix_f(float *matrix);
    254 
    255 void inv_get_compass_soft_iron_output_data(long *data);
    256 void inv_get_compass_soft_iron_input_data(long *data);
    257 void inv_set_compass_soft_iron_input_data(const long *data);
    258 
    259 void inv_reset_compass_soft_iron_matrix(void);
    260 void inv_enable_compass_soft_iron_matrix(void);
    261 void inv_disable_compass_soft_iron_matrix(void);
    262 
    263 void inv_get_mpl_gyro_bias(long *bias, long *temp);
    264 void inv_get_gyro_bias(long *bias);
    265 void inv_get_gyro_bias_dmp_units(long *bias);
    266 void inv_get_accel_bias(long *bias, long *temp);
    267 
    268 void inv_gyro_was_turned_off(void);
    269 void inv_accel_was_turned_off(void);
    270 void inv_compass_was_turned_off(void);
    271 void inv_quaternion_sensor_was_turned_off(void);
    272 inv_error_t inv_init_data_builder(void);
    273 long inv_get_gyro_sensitivity(void);
    274 long inv_get_accel_sensitivity(void);
    275 long inv_get_compass_sensitivity(void);
    276 
    277 void inv_get_accel_set(long *data, int8_t *accuracy, inv_time_t * timestamp);
    278 void inv_get_gyro_set(long *data, int8_t *accuracy, inv_time_t * timestamp);
    279 void inv_get_gyro_set_raw(long *data, int8_t *accuracy, inv_time_t * timestamp);
    280 void inv_get_compass_set(long *data, int8_t *accuracy, inv_time_t * timestamp);
    281 void inv_get_compass_set_raw(long *data, int8_t *accuracy, inv_time_t * timestamp);
    282 
    283 void inv_get_gyro(long *gyro);
    284 
    285 int inv_get_gyro_accuracy(void);
    286 int inv_get_accel_accuracy(void);
    287 int inv_get_mag_accuracy(void);
    288 void inv_get_raw_compass(short *raw);
    289 
    290 int inv_get_compass_on(void);
    291 int inv_get_gyro_on(void);
    292 int inv_get_accel_on(void);
    293 
    294 inv_time_t inv_get_last_timestamp(void);
    295 int inv_get_compass_disturbance(void);
    296 
    297 // new DMP cal functions
    298 inv_error_t inv_get_gyro_orient(int *orient);
    299 inv_error_t inv_get_accel_orient(int *orient);
    300 
    301 // internal
    302 int inv_get_gyro_bias_tc_set(void);
    303 
    304 #ifdef __cplusplus
    305 }
    306 #endif
    307 
    308 #endif  /* INV_DATA_BUILDER_H__ */
    309