X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fao_gps_test_skytraq.c;fp=src%2Fao_gps_test_skytraq.c;h=0000000000000000000000000000000000000000;hp=a78fae0fefcda4f49ecf6a3b04107976fc57baf0;hb=9513be7f9d3d0b0ec29f6487fa9dc8f1ac24d0de;hpb=3bfe8df44b575ca430ffaa051e20faa955a06c03 diff --git a/src/ao_gps_test_skytraq.c b/src/ao_gps_test_skytraq.c deleted file mode 100644 index a78fae0f..00000000 --- a/src/ao_gps_test_skytraq.c +++ /dev/null @@ -1,490 +0,0 @@ -/* - * Copyright © 2009 Keith Packard - * - * This program 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; version 2 of the License. - * - * This program 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 program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - */ - -#define AO_GPS_TEST -#include "ao_host.h" -#include -#include -#include -#include -#include -#define AO_GPS_NUM_SAT_MASK (0xf << 0) -#define AO_GPS_NUM_SAT_SHIFT (0) - -#define AO_GPS_VALID (1 << 4) -#define AO_GPS_RUNNING (1 << 5) -#define AO_GPS_DATE_VALID (1 << 6) -#define AO_GPS_COURSE_VALID (1 << 7) - -struct ao_gps_orig { - uint8_t year; - uint8_t month; - uint8_t day; - uint8_t hour; - uint8_t minute; - uint8_t second; - uint8_t flags; - int32_t latitude; /* degrees * 10⁷ */ - int32_t longitude; /* degrees * 10⁷ */ - int16_t altitude; /* m */ - uint16_t ground_speed; /* cm/s */ - uint8_t course; /* degrees / 2 */ - uint8_t hdop; /* * 5 */ - int16_t climb_rate; /* cm/s */ - uint16_t h_error; /* m */ - uint16_t v_error; /* m */ -}; - -#define SIRF_SAT_STATE_ACQUIRED (1 << 0) -#define SIRF_SAT_STATE_CARRIER_PHASE_VALID (1 << 1) -#define SIRF_SAT_BIT_SYNC_COMPLETE (1 << 2) -#define SIRF_SAT_SUBFRAME_SYNC_COMPLETE (1 << 3) -#define SIRF_SAT_CARRIER_PULLIN_COMPLETE (1 << 4) -#define SIRF_SAT_CODE_LOCKED (1 << 5) -#define SIRF_SAT_ACQUISITION_FAILED (1 << 6) -#define SIRF_SAT_EPHEMERIS_AVAILABLE (1 << 7) - -struct ao_gps_sat_orig { - uint8_t svid; - uint8_t c_n_1; -}; - -#define AO_MAX_GPS_TRACKING 12 - -struct ao_gps_tracking_orig { - uint8_t channels; - struct ao_gps_sat_orig sats[AO_MAX_GPS_TRACKING]; -}; - -#define ao_telemetry_location ao_gps_orig -#define ao_telemetry_satellite ao_gps_tracking_orig -#define ao_telemetry_satellite_info ao_gps_sat_orig - -void -ao_mutex_get(uint8_t *mutex) -{ -} - -void -ao_mutex_put(uint8_t *mutex) -{ -} - -static int -ao_gps_fd; - -static void -ao_dbg_char(char c) -{ - char line[128]; - line[0] = '\0'; - if (c < ' ') { - if (c == '\n') - sprintf (line, "\n"); - else - sprintf (line, "\\%02x", ((int) c) & 0xff); - } else { - sprintf (line, "%c", c); - } - write(1, line, strlen(line)); -} - -#define QUEUE_LEN 4096 - -static char input_queue[QUEUE_LEN]; -int input_head, input_tail; - -#include - -int -get_millis(void) -{ - struct timeval tv; - gettimeofday(&tv, NULL); - return tv.tv_sec * 1000 + tv.tv_usec / 1000; -} - -static void -check_skytraq_message(char *from, uint8_t *msg, int len) -{ - uint16_t encoded_len, encoded_cksum; - uint16_t cksum; - uint8_t id; - int i; - -// fwrite(msg, 1, len, stdout); - return; - if (msg[0] != 0xa0 || msg[1] != 0xa2) { - printf ("bad header\n"); - return; - } - if (len < 7) { - printf("short\n"); - return; - } - if (msg[len-1] != 0xb3 || msg[len-2] != 0xb0) { - printf ("bad trailer\n"); - return; - } - encoded_len = (msg[2] << 8) | msg[3]; - id = msg[4]; -/* printf ("%9d: %3d\n", get_millis(), id); */ - if (encoded_len != len - 8) { - if (id != 52) - printf ("length mismatch (got %d, wanted %d)\n", - len - 8, encoded_len); - return; - } - encoded_cksum = (msg[len - 4] << 8) | msg[len-3]; - cksum = 0; - for (i = 4; i < len - 4; i++) - cksum = (cksum + msg[i]) & 0x7fff; - if (encoded_cksum != cksum) { - printf ("cksum mismatch (got %04x wanted %04x)\n", - cksum, encoded_cksum); - return; - } - id = msg[4]; - switch (id) { - case 41:{ - int off = 4; - - uint8_t id; - uint16_t nav_valid; - uint16_t nav_type; - uint16_t week; - uint32_t tow; - uint16_t year; - uint8_t month; - uint8_t day; - uint8_t hour; - uint8_t minute; - uint16_t second; - uint32_t sat_list; - int32_t lat; - int32_t lon; - int32_t alt_ell; - int32_t alt_msl; - int8_t datum; - uint16_t sog; - uint16_t cog; - int16_t mag_var; - int16_t climb_rate; - int16_t heading_rate; - uint32_t h_error; - uint32_t v_error; - uint32_t t_error; - uint16_t h_v_error; - -#define get_u8(u) u = (msg[off]); off+= 1 -#define get_u16(u) u = (msg[off] << 8) | (msg[off + 1]); off+= 2 -#define get_u32(u) u = (msg[off] << 24) | (msg[off + 1] << 16) | (msg[off+2] << 8) | (msg[off+3]); off+= 4 - - get_u8(id); - get_u16(nav_valid); - get_u16(nav_type); - get_u16(week); - get_u32(tow); - get_u16(year); - get_u8(month); - get_u8(day); - get_u8(hour); - get_u8(minute); - get_u16(second); - get_u32(sat_list); - get_u32(lat); - get_u32(lon); - get_u32(alt_ell); - get_u32(alt_msl); - get_u8(datum); - get_u16(sog); - get_u16(cog); - get_u16(mag_var); - get_u16(climb_rate); - get_u16(heading_rate); - get_u32(h_error); - get_u32(v_error); - get_u32(t_error); - get_u16(h_v_error); - - - printf ("Geodetic Navigation Data (41):\n"); - printf ("\tNav valid %04x\n", nav_valid); - printf ("\tNav type %04x\n", nav_type); - printf ("\tWeek %5d", week); - printf (" TOW %9d", tow); - printf (" %4d-%2d-%2d %02d:%02d:%07.4f\n", - year, month, day, - hour, minute, second / 1000.0); - printf ("\tsats: %08x\n", sat_list); - printf ("\tlat: %g", lat / 1.0e7); - printf (" lon: %g", lon / 1.0e7); - printf (" alt_ell: %g", alt_ell / 100.0); - printf (" alt_msll: %g", alt_msl / 100.0); - printf (" datum: %d\n", datum); - printf ("\tground speed: %g", sog / 100.0); - printf (" course: %g", cog / 100.0); - printf (" climb: %g", climb_rate / 100.0); - printf (" heading rate: %g\n", heading_rate / 100.0); - printf ("\th error: %g", h_error / 100.0); - printf (" v error: %g", v_error / 100.0); - printf (" t error: %g", t_error / 100.0); - printf (" h vel error: %g\n", h_v_error / 100.0); - break; - } - case 4: { - int off = 4; - uint8_t id; - int16_t gps_week; - uint32_t gps_tow; - uint8_t channels; - int j, k; - - get_u8(id); - get_u16(gps_week); - get_u32(gps_tow); - get_u8(channels); - - printf ("Measured Tracker Data (4):\n"); - printf ("GPS week: %d\n", gps_week); - printf ("GPS time of week: %d\n", gps_tow); - printf ("channels: %d\n", channels); - for (j = 0; j < 12; j++) { - uint8_t svid, azimuth, elevation; - uint16_t state; - uint8_t c_n[10]; - get_u8(svid); - get_u8(azimuth); - get_u8(elevation); - get_u16(state); - for (k = 0; k < 10; k++) { - get_u8(c_n[k]); - } - printf ("Sat %3d:", svid); - printf (" aziumuth: %6.1f", azimuth * 1.5); - printf (" elevation: %6.1f", elevation * 0.5); - printf (" state: 0x%02x", state); - printf (" c_n:"); - for (k = 0; k < 10; k++) - printf(" %3d", c_n[k]); - if (state & SIRF_SAT_STATE_ACQUIRED) - printf(" acq,"); - if (state & SIRF_SAT_STATE_CARRIER_PHASE_VALID) - printf(" car,"); - if (state & SIRF_SAT_BIT_SYNC_COMPLETE) - printf(" bit,"); - if (state & SIRF_SAT_SUBFRAME_SYNC_COMPLETE) - printf(" sub,"); - if (state & SIRF_SAT_CARRIER_PULLIN_COMPLETE) - printf(" pullin,"); - if (state & SIRF_SAT_CODE_LOCKED) - printf(" code,"); - if (state & SIRF_SAT_ACQUISITION_FAILED) - printf(" fail,"); - if (state & SIRF_SAT_EPHEMERIS_AVAILABLE) - printf(" ephem,"); - printf ("\n"); - } - break; - } - default: - return; - printf ("%s %4d:", from, encoded_len); - for (i = 4; i < len - 4; i++) { - if (((i - 4) & 0xf) == 0) - printf("\n "); - printf (" %3d", msg[i]); - } - printf ("\n"); - } -} - -static uint8_t skytraq_message[4096]; -static int skytraq_message_len; -static uint8_t skytraq_in_message[4096]; -static int skytraq_in_len; - -char -ao_serial_getchar(void) -{ - char c; - uint8_t uc; - - while (input_head == input_tail) { - for (;;) { - input_tail = read(ao_gps_fd, input_queue, QUEUE_LEN); - if (input_tail < 0) { - if (errno == EINTR || errno == EAGAIN) - continue; - perror ("getchar"); - exit (1); - } - input_head = 0; - break; - } - } - c = input_queue[input_head]; - input_head = (input_head + 1) % QUEUE_LEN; - uc = c; -// printf ("c: %02x %c\n", uc, uc); - if (skytraq_in_len || uc == '$') { - if (skytraq_in_len < 4096) - skytraq_in_message[skytraq_in_len++] = uc; - if (uc == 0x0a) { - check_skytraq_message("recv", skytraq_in_message, skytraq_in_len); - skytraq_in_len = 0; - } - } - return c; -} - - -void -ao_serial_putchar(char c) -{ - int i; - uint8_t uc = (uint8_t) c; - - if (skytraq_message_len || uc == 0xa0) { - if (skytraq_message_len < 4096) - skytraq_message[skytraq_message_len++] = uc; - if (uc == 0x0a) { - check_skytraq_message("send", skytraq_message, skytraq_message_len); - skytraq_message_len = 0; - } - } - for (;;) { - i = write(ao_gps_fd, &c, 1); - if (i == 1) { - if ((uint8_t) c == 0xb3 || c == '\r') { - static const struct timespec delay = { - .tv_sec = 0, - .tv_nsec = 100 * 1000 * 1000 - }; - tcdrain(ao_gps_fd); -// nanosleep(&delay, NULL); - } - break; - } - if (i < 0 && (errno == EINTR || errno == EAGAIN)) - continue; - perror("putchar"); - exit(1); - } -} - -#define AO_SERIAL_SPEED_4800 0 -#define AO_SERIAL_SPEED_9600 1 -#define AO_SERIAL_SPEED_57600 2 - -static void -ao_serial_set_speed(uint8_t speed) -{ - int fd = ao_gps_fd; - struct termios termios; - - tcdrain(fd); - tcgetattr(fd, &termios); - switch (speed) { - case AO_SERIAL_SPEED_4800: - cfsetspeed(&termios, B4800); - break; - case AO_SERIAL_SPEED_9600: - cfsetspeed(&termios, B38400); - break; - case AO_SERIAL_SPEED_57600: - cfsetspeed(&termios, B57600); - break; - } - tcsetattr(fd, TCSAFLUSH, &termios); - tcflush(fd, TCIFLUSH); -} - -#define ao_time() 0 - -#include "ao_gps_print.c" -#include "ao_gps_skytraq.c" - -void -ao_dump_state(void *wchan) -{ - double lat, lon; - int i; - if (wchan == &ao_gps_data) - ao_gps_print(&ao_gps_data); - else - ao_gps_tracking_print(&ao_gps_tracking_data); - putchar('\n'); - return; -} - -int -ao_gps_open(const char *tty) -{ - struct termios termios; - int fd; - - fd = open (tty, O_RDWR); - if (fd < 0) - return -1; - - tcgetattr(fd, &termios); - cfmakeraw(&termios); - cfsetspeed(&termios, B4800); - tcsetattr(fd, TCSAFLUSH, &termios); - - tcdrain(fd); - tcflush(fd, TCIFLUSH); - return fd; -} - -#include - -static const struct option options[] = { - { .name = "tty", .has_arg = 1, .val = 'T' }, - { 0, 0, 0, 0}, -}; - -static void usage(char *program) -{ - fprintf(stderr, "usage: %s [--tty ]\n", program); - exit(1); -} - -int -main (int argc, char **argv) -{ - char *tty = "/dev/ttyUSB0"; - int c; - - while ((c = getopt_long(argc, argv, "T:", options, NULL)) != -1) { - switch (c) { - case 'T': - tty = optarg; - break; - default: - usage(argv[0]); - break; - } - } - ao_gps_fd = ao_gps_open(tty); - if (ao_gps_fd < 0) { - perror (tty); - exit (1); - } - ao_gps(); -}