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   1 /*
   2  * Copyright © 2012 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 #ifndef _AO_LOG_H_
  19 #define _AO_LOG_H_
  20
  21 #include <ao_flight.h>
  22
  23 /*
  24  * ao_log.c
  25  */
  26
  27 /* We record flight numbers in the first record of
  28  * the log. Tasks may wait for this to be initialized
  29  * by sleeping on this variable.
  30  */
  31 extern __xdata uint16_t ao_flight_number;
  32 extern __xdata uint8_t  ao_log_mutex;
  33 extern __pdata uint32_t ao_log_current_pos;
  34 extern __pdata uint32_t ao_log_end_pos;
  35 extern __pdata uint32_t ao_log_start_pos;
  36 extern __xdata uint8_t  ao_log_running;
  37 extern __pdata enum ao_flight_state ao_log_state;
  38
  39 /* required functions from the underlying log system */
  40
  41 #define AO_LOG_FORMAT_UNKNOWN           0       /* unknown; altosui will have to guess */
  42 #define AO_LOG_FORMAT_FULL              1       /* 8 byte typed log records */
  43 #define AO_LOG_FORMAT_TINY              2       /* two byte state/baro records */
  44 #define AO_LOG_FORMAT_TELEMETRY         3       /* 32 byte ao_telemetry records */
  45 #define AO_LOG_FORMAT_TELESCIENCE       4       /* 32 byte typed telescience records */
  46 #define AO_LOG_FORMAT_TELEMEGA          5       /* 32 byte typed telemega records */
  47 #define AO_LOG_FORMAT_EASYMINI          6       /* 16-byte MS5607 baro only, 3.0V supply */
  48 #define AO_LOG_FORMAT_TELEMETRUM        7       /* 16-byte typed telemetrum records */
  49 #define AO_LOG_FORMAT_TELEMINI          8       /* 16-byte MS5607 baro only, 3.3V supply */
  50 #define AO_LOG_FORMAT_TELEGPS           9       /* 32 byte telegps records */
  51 #define AO_LOG_FORMAT_NONE              127     /* No log at all */
  52
  53 extern __code uint8_t ao_log_format;
  54 extern __code uint8_t ao_log_size;
  55
  56 /* Return the flight number from the given log slot, 0 if none */
  57 uint16_t
  58 ao_log_flight(uint8_t slot);
  59
  60 /* Check if there is valid log data at the specified location */
  61 uint8_t
  62 ao_log_check(uint32_t pos);
  63
  64 /* Flush the log */
  65 void
  66 ao_log_flush(void);
  67
  68 /* Logging thread main routine */
  69 void
  70 ao_log(void);
  71
  72 /* functions provided in ao_log.c */
  73
  74 /* Figure out the current flight number */
  75 uint8_t
  76 ao_log_scan(void) __reentrant;
  77
  78 /* Return the position of the start of the given log slot */
  79 uint32_t
  80 ao_log_pos(uint8_t slot);
  81
  82 /* Start logging to eeprom */
  83 void
  84 ao_log_start(void);
  85
  86 /* Stop logging */
  87 void
  88 ao_log_stop(void);
  89
  90 /* Initialize the logging system */
  91 void
  92 ao_log_init(void);
  93
  94 /* Write out the current flight number to the erase log */
  95 void
  96 ao_log_write_erase(uint8_t pos);
  97
  98 /* Returns true if there are any logs stored in eeprom */
  99 uint8_t
 100 ao_log_present(void);
 101
 102 /* Returns true if there is no more storage space available */
 103 uint8_t
 104 ao_log_full(void);
 105
 106 /*
 107  * ao_log_big.c
 108  */
 109
 110 /*
 111  * The data log is recorded in the eeprom as a sequence
 112  * of data packets.
 113  *
 114  * Each packet starts with a 4-byte header that has the
 115  * packet type, the packet checksum and the tick count. Then
 116  * they all contain 2 16 bit values which hold packet-specific
 117  * data.
 118  *
 119  * For each flight, the first packet
 120  * is FLIGHT packet, indicating the serial number of the
 121  * device and a unique number marking the number of flights
 122  * recorded by this device.
 123  *
 124  * During flight, data from the accelerometer and barometer
 125  * are recorded in SENSOR packets, using the raw 16-bit values
 126  * read from the A/D converter.
 127  *
 128  * Also during flight, but at a lower rate, the deployment
 129  * sensors are recorded in DEPLOY packets. The goal here is to
 130  * detect failure in the deployment circuits.
 131  *
 132  * STATE packets hold state transitions as the flight computer
 133  * transitions through different stages of the flight.
 134  */
 135 #define AO_LOG_FLIGHT           'F'
 136 #define AO_LOG_SENSOR           'A'
 137 #define AO_LOG_TEMP_VOLT        'T'
 138 #define AO_LOG_DEPLOY           'D'
 139 #define AO_LOG_STATE            'S'
 140 #define AO_LOG_GPS_TIME         'G'
 141 #define AO_LOG_GPS_LAT          'N'
 142 #define AO_LOG_GPS_LON          'W'
 143 #define AO_LOG_GPS_ALT          'H'
 144 #define AO_LOG_GPS_SAT          'V'
 145 #define AO_LOG_GPS_DATE         'Y'
 146 #define AO_LOG_GPS_POS          'P'
 147
 148 #define AO_LOG_POS_NONE         (~0UL)
 149
 150 struct ao_log_record {
 151         char                    type;                           /* 0 */
 152         uint8_t                 csum;                           /* 1 */
 153         uint16_t                tick;                           /* 2 */
 154         union {
 155                 struct {
 156                         int16_t         ground_accel;           /* 4 */
 157                         uint16_t        flight;                 /* 6 */
 158                 } flight;
 159                 struct {
 160                         int16_t         accel;                  /* 4 */
 161                         int16_t         pres;                   /* 6 */
 162                 } sensor;
 163                 struct {
 164                         int16_t         temp;
 165                         int16_t         v_batt;
 166                 } temp_volt;
 167                 struct {
 168                         int16_t         drogue;
 169                         int16_t         main;
 170                 } deploy;
 171                 struct {
 172                         uint16_t        state;
 173                         uint16_t        reason;
 174                 } state;
 175                 struct {
 176                         uint8_t         hour;
 177                         uint8_t         minute;
 178                         uint8_t         second;
 179                         uint8_t         flags;
 180                 } gps_time;
 181                 int32_t         gps_latitude;
 182                 int32_t         gps_longitude;
 183                 struct {
 184                         uint16_t        altitude_low;
 185                         int16_t         altitude_high;
 186                 } gps_altitude;
 187                 struct {
 188                         uint16_t        svid;
 189                         uint8_t         unused;
 190                         uint8_t         c_n;
 191                 } gps_sat;
 192                 struct {
 193                         uint8_t         year;
 194                         uint8_t         month;
 195                         uint8_t         day;
 196                         uint8_t         extra;
 197                 } gps_date;
 198                 struct {
 199                         uint16_t        d0;
 200                         uint16_t        d1;
 201                 } anon;
 202         } u;
 203 };
 204
 205 struct ao_log_mega {
 206         char                    type;                   /* 0 */
 207         uint8_t                 csum;                   /* 1 */
 208         uint16_t                tick;                   /* 2 */
 209         union {                                         /* 4 */
 210                 /* AO_LOG_FLIGHT */
 211                 struct {
 212                         uint16_t        flight;                 /* 4 */
 213                         int16_t         ground_accel;           /* 6 */
 214                         uint32_t        ground_pres;            /* 8 */
 215                         int16_t         ground_accel_along;     /* 12 */
 216                         int16_t         ground_accel_across;    /* 14 */
 217                         int16_t         ground_accel_through;   /* 16 */
 218                         int16_t         ground_roll;            /* 18 */
 219                         int16_t         ground_pitch;           /* 20 */
 220                         int16_t         ground_yaw;             /* 22 */
 221                 } flight;                                       /* 24 */
 222                 /* AO_LOG_STATE */
 223                 struct {
 224                         uint16_t        state;
 225                         uint16_t        reason;
 226                 } state;
 227                 /* AO_LOG_SENSOR */
 228                 struct {
 229                         uint32_t        pres;           /* 4 */
 230                         uint32_t        temp;           /* 8 */
 231                         int16_t         accel_x;        /* 12 */
 232                         int16_t         accel_y;        /* 14 */
 233                         int16_t         accel_z;        /* 16 */
 234                         int16_t         gyro_x;         /* 18 */
 235                         int16_t         gyro_y;         /* 20 */
 236                         int16_t         gyro_z;         /* 22 */
 237                         int16_t         mag_x;          /* 24 */
 238                         int16_t         mag_y;          /* 26 */
 239                         int16_t         mag_z;          /* 28 */
 240                         int16_t         accel;          /* 30 */
 241                 } sensor;       /* 32 */
 242                 /* AO_LOG_TEMP_VOLT */
 243                 struct {
 244                         int16_t         v_batt;         /* 4 */
 245                         int16_t         v_pbatt;        /* 6 */
 246                         int16_t         n_sense;        /* 8 */
 247                         int16_t         sense[10];      /* 10 */
 248                         uint16_t        pyro;           /* 30 */
 249                 } volt;                                 /* 32 */
 250                 /* AO_LOG_GPS_TIME */
 251                 struct {
 252                         int32_t         latitude;       /* 4 */
 253                         int32_t         longitude;      /* 8 */
 254                         uint16_t        altitude_low;   /* 12 */
 255                         uint8_t         hour;           /* 14 */
 256                         uint8_t         minute;         /* 15 */
 257                         uint8_t         second;         /* 16 */
 258                         uint8_t         flags;          /* 17 */
 259                         uint8_t         year;           /* 18 */
 260                         uint8_t         month;          /* 19 */
 261                         uint8_t         day;            /* 20 */
 262                         uint8_t         course;         /* 21 */
 263                         uint16_t        ground_speed;   /* 22 */
 264                         int16_t         climb_rate;     /* 24 */
 265                         uint8_t         pdop;           /* 26 */
 266                         uint8_t         hdop;           /* 27 */
 267                         uint8_t         vdop;           /* 28 */
 268                         uint8_t         mode;           /* 29 */
 269                         int16_t         altitude_high;  /* 30 */
 270                 } gps;  /* 32 */
 271                 /* AO_LOG_GPS_SAT */
 272                 struct {
 273                         uint16_t        channels;       /* 4 */
 274                         struct {
 275                                 uint8_t svid;
 276                                 uint8_t c_n;
 277                         } sats[12];                     /* 6 */
 278                 } gps_sat;                              /* 30 */
 279         } u;
 280 };
 281
 282 #define AO_LOG_MEGA_GPS_ALTITUDE(l)     ((int32_t) ((l)->u.gps.altitude_high << 16) | ((l)->u.gps.altitude_low))
 283 #define AO_LOG_MEGA_SET_GPS_ALTITUDE(l,a)       (((l)->u.gps.mode |= AO_GPS_MODE_ALTITUDE_24), \
 284                                                  ((l)->u.gps.altitude_high = (a) >> 16), \
 285                                                  (l)->u.gps.altitude_low = (a))
 286
 287 struct ao_log_metrum {
 288         char                    type;                   /* 0 */
 289         uint8_t                 csum;                   /* 1 */
 290         uint16_t                tick;                   /* 2 */
 291         union {                                         /* 4 */
 292                 /* AO_LOG_FLIGHT */
 293                 struct {
 294                         uint16_t        flight;         /* 4 */
 295                         int16_t         ground_accel;   /* 6 */
 296                         uint32_t        ground_pres;    /* 8 */
 297                         uint32_t        ground_temp;    /* 12 */
 298                 } flight;       /* 16 */
 299                 /* AO_LOG_STATE */
 300                 struct {
 301                         uint16_t        state;          /* 4 */
 302                         uint16_t        reason;         /* 6 */
 303                 } state;        /* 8 */
 304                 /* AO_LOG_SENSOR */
 305                 struct {
 306                         uint32_t        pres;           /* 4 */
 307                         uint32_t        temp;           /* 8 */
 308                         int16_t         accel;          /* 12 */
 309                 } sensor;       /* 14 */
 310                 /* AO_LOG_TEMP_VOLT */
 311                 struct {
 312                         int16_t         v_batt;         /* 4 */
 313                         int16_t         sense_a;        /* 6 */
 314                         int16_t         sense_m;        /* 8 */
 315                 } volt;         /* 10 */
 316                 /* AO_LOG_GPS_POS */
 317                 struct {
 318                         int32_t         latitude;       /* 4 */
 319                         int32_t         longitude;      /* 8 */
 320                         uint16_t        altitude_low;   /* 12 */
 321                         int16_t         altitude_high;  /* 14 */
 322                 } gps;          /* 16 */
 323                 /* AO_LOG_GPS_TIME */
 324                 struct {
 325                         uint8_t         hour;           /* 4 */
 326                         uint8_t         minute;         /* 5 */
 327                         uint8_t         second;         /* 6 */
 328                         uint8_t         flags;          /* 7 */
 329                         uint8_t         year;           /* 8 */
 330                         uint8_t         month;          /* 9 */
 331                         uint8_t         day;            /* 10 */
 332                         uint8_t         pdop;           /* 11 */
 333                 } gps_time;     /* 12 */
 334                 /* AO_LOG_GPS_SAT (up to three packets) */
 335                 struct {
 336                         uint8_t channels;               /* 4 */
 337                         uint8_t more;                   /* 5 */
 338                         struct {
 339                                 uint8_t svid;
 340                                 uint8_t c_n;
 341                         } sats[4];                      /* 6 */
 342                 } gps_sat;                              /* 14 */
 343                 uint8_t         raw[12];                /* 4 */
 344         } u;    /* 16 */
 345 };
 346
 347 struct ao_log_mini {
 348         char            type;                           /* 0 */
 349         uint8_t         csum;                           /* 1 */
 350         uint16_t        tick;                           /* 2 */
 351         union {                                         /* 4 */
 352                 /* AO_LOG_FLIGHT */
 353                 struct {
 354                         uint16_t        flight;         /* 4 */
 355                         uint16_t        r6;
 356                         uint32_t        ground_pres;    /* 8 */
 357                 } flight;
 358                 /* AO_LOG_STATE */
 359                 struct {
 360                         uint16_t        state;          /* 4 */
 361                         uint16_t        reason;         /* 6 */
 362                 } state;
 363                 /* AO_LOG_SENSOR */
 364                 struct {
 365                         uint8_t         pres[3];        /* 4 */
 366                         uint8_t         temp[3];        /* 7 */
 367                         int16_t         sense_a;        /* 10 */
 368                         int16_t         sense_m;        /* 12 */
 369                         int16_t         v_batt;         /* 14 */
 370                 } sensor;                               /* 16 */
 371         } u;                                            /* 16 */
 372 };                                                      /* 16 */
 373
 374 #define ao_log_pack24(dst,value) do {           \
 375                 (dst)[0] = (value);             \
 376                 (dst)[1] = (value) >> 8;        \
 377                 (dst)[2] = (value) >> 16;       \
 378         } while (0)
 379
 380 struct ao_log_gps {
 381         char                    type;                   /* 0 */
 382         uint8_t                 csum;                   /* 1 */
 383         uint16_t                tick;                   /* 2 */
 384         union {                                         /* 4 */
 385                 /* AO_LOG_FLIGHT */
 386                 struct {
 387                         uint16_t        flight;                 /* 4 */
 388                         int16_t         start_altitude;         /* 6 */
 389                         int32_t         start_latitude;         /* 8 */
 390                         int32_t         start_longitude;        /* 12 */
 391                 } flight;                                       /* 16 */
 392                 /* AO_LOG_GPS_TIME */
 393                 struct {
 394                         int32_t         latitude;       /* 4 */
 395                         int32_t         longitude;      /* 8 */
 396                         uint16_t        altitude_low;   /* 12 */
 397                         uint8_t         hour;           /* 14 */
 398                         uint8_t         minute;         /* 15 */
 399                         uint8_t         second;         /* 16 */
 400                         uint8_t         flags;          /* 17 */
 401                         uint8_t         year;           /* 18 */
 402                         uint8_t         month;          /* 19 */
 403                         uint8_t         day;            /* 20 */
 404                         uint8_t         course;         /* 21 */
 405                         uint16_t        ground_speed;   /* 22 */
 406                         int16_t         climb_rate;     /* 24 */
 407                         uint8_t         pdop;           /* 26 */
 408                         uint8_t         hdop;           /* 27 */
 409                         uint8_t         vdop;           /* 28 */
 410                         uint8_t         mode;           /* 29 */
 411                         int16_t         altitude_high;  /* 30 */
 412                 } gps;  /* 31 */
 413                 /* AO_LOG_GPS_SAT */
 414                 struct {
 415                         uint16_t        channels;       /* 4 */
 416                         struct {
 417                                 uint8_t svid;
 418                                 uint8_t c_n;
 419                         } sats[12];                     /* 6 */
 420                 } gps_sat;                              /* 30 */
 421         } u;
 422 };
 423
 424 /* Write a record to the eeprom log */
 425 uint8_t
 426 ao_log_data(__xdata struct ao_log_record *log) __reentrant;
 427
 428 uint8_t
 429 ao_log_mega(__xdata struct ao_log_mega *log) __reentrant;
 430
 431 uint8_t
 432 ao_log_metrum(__xdata struct ao_log_metrum *log) __reentrant;
 433
 434 uint8_t
 435 ao_log_mini(__xdata struct ao_log_mini *log) __reentrant;
 436
 437 uint8_t
 438 ao_log_gps(__xdata struct ao_log_gps *log) __reentrant;
 439
 440 void
 441 ao_log_flush(void);
 442
 443 void
 444 ao_gps_report_metrum_init(void);
 445
 446 #endif /* _AO_LOG_H_ */