LPMSRead.c

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/*
 *  Copyright (C) 2023 Swansea University
 *
 *  This file is part of the SELKIELogger suite of tools.
 *
 *  SELKIELogger is free software: you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the Free
 *  Software Foundation, either version 3 of the License, or (at your option)
 *  any later version.
 *
 *  SELKIELogger is distributed in the hope that it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 *  more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this SELKIELogger product.
 *  If not, see <http://www.gnu.org/licenses/>.
*/
 
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
 
#include "SELKIELoggerBase.h"
 
#include "SELKIELoggerLPMS.h"
 
#include "version.h"
#define BUFSIZE 1024
 
int main(int argc, char *argv[]) {
    program_state state = {0};
    state.verbose = 1;
 
    char *usage = "Usage: %1$s [-v] [-q] datfile\n"
              "\t-v\tIncrease verbosity\n"
              "\t-q\tDecrease verbosity\n"
              "\nVersion: " GIT_VERSION_STRING "\n";
 
    opterr = 0; // Handle errors ourselves
    int go = 0;
    bool doUsage = false;
    while ((go = getopt(argc, argv, "vq")) != -1) {
        switch (go) {
            case 'v':
                state.verbose++;
                break;
            case 'q':
                state.verbose--;
                break;
            case '?':
                log_error(&state, "Unknown option `-%c'", optopt);
                doUsage = true;
        }
    }
 
    // Should be 1 spare arguments: The file to convert
    if (argc - optind != 1) {
        log_error(&state, "Invalid arguments");
        doUsage = true;
    }
 
    if (doUsage) {
        fprintf(stderr, usage, argv[0]);
        return -1;
    }
 
    FILE *nf = fopen(argv[optind], "r");
 
    if (nf == NULL) {
        log_error(&state, "Unable to open input file \"%s\"", argv[optind]);
        return -1;
    }
 
    state.started = true;
    bool processing = true;
 
    uint8_t buf[BUFSIZE] = {0};
    size_t hw = 0;
    int count = 0;
    size_t end = 0;
    while (processing || hw > 10) {
        if (feof(nf) && processing) {
            log_info(&state, 2, "End of file reached");
            processing = false;
        }
        lpms_message *m = calloc(1, sizeof(lpms_message));
        if (!m) {
            perror("lpms_message calloc");
            return EXIT_FAILURE;
        }
        bool r = lpms_readMessage_buf(fileno(nf), m, buf, &end, &hw);
        if (r) {
            uint16_t cs = 0;
            bool csOK = (lpms_checksum(m, &cs) && cs == m->checksum);
            if (m->command == LPMS_MSG_GET_IMUDATA) {
                lpms_data d = {0};
                // Guess based on observed data until detection implemented
                d.present |= (1 << LPMS_IMU_ACCEL_RAW);
                d.present |= (1 << LPMS_IMU_ACCEL_CAL);
                d.present |= (1 << LPMS_IMU_MAG_RAW);
                d.present |= (1 << LPMS_IMU_MAG_CAL);
                d.present |= (1 << LPMS_IMU_GYRO_RAW);
                d.present |= (1 << LPMS_IMU_GYRO_CAL);
                d.present |= (1 << LPMS_IMU_GYRO_ALIGN);
                d.present |= (1 << LPMS_IMU_OMEGA);
                d.present |= (1 << LPMS_IMU_EULER);
                d.present |= (1 << LPMS_IMU_ALTITUDE);
                d.present |= (1 << LPMS_IMU_TEMPERATURE);
                if (lpms_imu_set_timestamp(m, &d)) {
                    log_info(&state, 1, "%02x: Timestamp: %u", m->id,
                             d.timestamp);
                } else {
                    log_warning(&state, "%02x: Timestamp invalid", m->id);
                }
                if (lpms_imu_set_accel_raw(m, &d)) {
                    log_info(&state, 1,
                             "%02x: Raw Acceleration: (%+.4f, %+.4f, %+4.f)",
                             m->id, d.accel_raw[0], d.accel_raw[1],
                             d.accel_raw[2]);
                }
                if (lpms_imu_set_accel_cal(m, &d)) {
                    log_info(
                        &state, 1,
                        "%02x: Calibrated Acceleration: (%+.4f, %+.4f, %+4.f)",
                        m->id, d.accel_cal[0], d.accel_cal[1],
                        d.accel_cal[2]);
                }
                if (lpms_imu_set_gyro_raw(m, &d)) {
                    log_info(&state, 1,
                             "%02x: Raw Gyro: (%+.4f, %+.4f, %+4.f)", m->id,
                             d.gyro_raw[0], d.gyro_raw[1], d.gyro_raw[2]);
                }
                if (lpms_imu_set_gyro_cal(m, &d)) {
                    log_info(&state, 1,
                             "%02x: Calibrated Gyro: (%+.4f, %+.4f, %+4.f)",
                             m->id, d.gyro_cal[0], d.gyro_cal[1],
                             d.gyro_cal[2]);
                }
                if (lpms_imu_set_gyro_aligned(m, &d)) {
                    log_info(&state, 1,
                             "%02x: Aligned Gyro: (%+.4f, %+.4f, %+4.f)",
                             m->id, d.gyro_aligned[0], d.gyro_aligned[1],
                             d.gyro_aligned[2]);
                }
                if (lpms_imu_set_mag_raw(m, &d)) {
                    log_info(&state, 1,
                             "%02x: Raw Magnetic Field: (%+.4f, %+.4f, %+4.f)",
                             m->id, d.mag_raw[0], d.mag_raw[1], d.mag_raw[2]);
                }
                if (lpms_imu_set_mag_cal(m, &d)) {
                    log_info(
                        &state, 1,
                        "%02x: Calibrated Magnetic Field: (%+.4f, %+.4f, %+4.f)",
                        m->id, d.mag_cal[0], d.mag_cal[1], d.mag_cal[2]);
                }
                if (lpms_imu_set_euler_angles(m, &d)) {
                    log_info(&state, 1,
                             "%02x: Euler roll angles: (%+.4f, %+.4f, %+.4f)",
                             m->id, d.euler_angles[0], d.euler_angles[1],
                             d.euler_angles[2]);
                }
                if (lpms_imu_set_pressure(m, &d)) {
                    log_info(&state, 1, "%02x: Pressure: %.2f", m->id,
                             d.pressure);
                }
                if (lpms_imu_set_altitude(m, &d)) {
                    log_info(&state, 1, "%02x: Altitude: %.2f", m->id,
                             d.altitude);
                }
                if (lpms_imu_set_temperature(m, &d)) {
                    log_info(&state, 1, "%02x: Temperature: %.2f", m->id,
                             d.temperature);
                }
            } else {
                log_info(&state, 2, "%02x: Command %02x, %u bytes, checksum %s",
                         m->id, m->command, m->length, csOK ? "OK" : "not OK");
            }
            count++;
        } else {
            if (m->id == 0xAA || m->id == 0xEE) {
                log_error(&state,
                          "Error reading messages from file (Code: 0x%02x)\n",
                          (uint8_t)m->id);
            }
 
            if (m->id == 0xFD) {
                processing = false;
                if (end < hw) { end++; }
            }
        }
 
        if (m) {
            if (m->data) { free(m->data); }
            free(m);
            m = NULL;
        }
    }
    log_info(&state, 0, "%d messages successfully read from file", count);
    fclose(nf);
    return 0;
}