diff options
Diffstat (limited to 'apps/gps')
-rw-r--r-- | apps/gps/gps.c | 5 | ||||
-rw-r--r-- | apps/gps/ubx.c | 328 | ||||
-rw-r--r-- | apps/gps/ubx.h | 117 |
3 files changed, 347 insertions, 103 deletions
diff --git a/apps/gps/gps.c b/apps/gps/gps.c index 00f6ee9f8..8a9512054 100644 --- a/apps/gps/gps.c +++ b/apps/gps/gps.c @@ -107,8 +107,8 @@ enum GPS_MODES { #define AUTO_DETECTION_COUNT 8 -const int autodetection_baudrates[] = {B9600, B38400, B38400, B9600, B9600, B38400, B9600, B38400}; -const enum GPS_MODES autodetection_gpsmodes[] = {GPS_MODE_UBX, GPS_MODE_MTK, GPS_MODE_UBX, GPS_MODE_MTK, GPS_MODE_UBX, GPS_MODE_MTK, GPS_MODE_NMEA, GPS_MODE_NMEA}; //nmea is the fall-back if nothing else works, therefore we try the standard modes again before finally trying nmea +const int autodetection_baudrates[] = {B38400, B9600, B38400, B9600, B38400, B9600, B38400, B9600}; +const enum GPS_MODES autodetection_gpsmodes[] = {GPS_MODE_UBX, GPS_MODE_UBX, GPS_MODE_MTK, GPS_MODE_MTK, GPS_MODE_UBX, GPS_MODE_UBX, GPS_MODE_NMEA, GPS_MODE_NMEA}; //nmea is the fall-back if nothing else works, therefore we try the standard modes again before finally trying nmea /**************************************************************************** * Private functions @@ -368,7 +368,6 @@ int gps_thread_main(int argc, char *argv[]) { args.thread_should_exit_ptr = &thread_should_exit; pthread_create(&ubx_thread, &ubx_loop_attr, ubx_loop, (void *)&args); - sleep(2); // XXX TODO Check if this is too short, try to lower sleeps in UBX driver pthread_attr_t ubx_wd_attr; pthread_attr_init(&ubx_wd_attr); diff --git a/apps/gps/ubx.c b/apps/gps/ubx.c index e15ed4e00..b9f8a28a0 100644 --- a/apps/gps/ubx.c +++ b/apps/gps/ubx.c @@ -52,7 +52,7 @@ #define UBX_HEALTH_FAIL_COUNTER_LIMIT 3 #define UBX_HEALTH_PROBE_COUNTER_LIMIT 4 -#define UBX_BUFFER_SIZE 1000 +#define UBX_BUFFER_SIZE 500 extern bool gps_mode_try_all; extern bool gps_mode_success; @@ -63,18 +63,10 @@ extern int current_gps_speed; pthread_mutex_t *ubx_mutex; gps_bin_ubx_state_t *ubx_state; +enum UBX_CONFIG_STATE ubx_config_state; static struct vehicle_gps_position_s *ubx_gps; -//Definitions for ubx, last two bytes are checksum which is calculated below -uint8_t UBX_CONFIG_MESSAGE_PRT[] = {0xB5 , 0x62 , 0x06 , 0x00 , 0x14 , 0x00 , 0x01 , 0x00 , 0x00 , 0x00 , 0xD0 , 0x08 , 0x00 , 0x00 , 0x80 , 0x25 , 0x00 , 0x00 , 0x07 , 0x00 , 0x01 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00}; -uint8_t UBX_CONFIG_MESSAGE_MSG_NAV_POSLLH[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0x01, 0x02, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}; -uint8_t UBX_CONFIG_MESSAGE_MSG_NAV_TIMEUTC[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0x01, 0x21, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}; -uint8_t UBX_CONFIG_MESSAGE_MSG_NAV_DOP[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0x01, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}; -uint8_t UBX_CONFIG_MESSAGE_MSG_NAV_SVINFO[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0x01, 0x30, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00}; -uint8_t UBX_CONFIG_MESSAGE_MSG_NAV_SOL[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0x01, 0x06, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00}; -uint8_t UBX_CONFIG_MESSAGE_MSG_NAV_VELNED[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0x01, 0x12, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00}; -uint8_t UBX_CONFIG_MESSAGE_MSG_RXM_SVSI[] = {0xB5, 0x62, 0x06, 0x01, 0x08, 0x00, 0x02, 0x20, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00}; void ubx_decode_init(void) { @@ -100,15 +92,15 @@ void ubx_checksum(uint8_t b, uint8_t *ck_a, uint8_t *ck_b) int ubx_parse(uint8_t b, char *gps_rx_buffer) { -// printf("b=%x\n",b); + //printf("b=%x\n",b); if (ubx_state->decode_state == UBX_DECODE_UNINIT) { - if (b == 0xb5) { + if (b == UBX_SYNC_1) { ubx_state->decode_state = UBX_DECODE_GOT_SYNC1; } } else if (ubx_state->decode_state == UBX_DECODE_GOT_SYNC1) { - if (b == 0x62) { + if (b == UBX_SYNC_2) { ubx_state->decode_state = UBX_DECODE_GOT_SYNC2; } else { @@ -122,16 +114,25 @@ int ubx_parse(uint8_t b, char *gps_rx_buffer) //check for known class switch (b) { - case UBX_CLASS_NAV: //NAV + case UBX_CLASS_ACK: + ubx_state->decode_state = UBX_DECODE_GOT_CLASS; + ubx_state->message_class = ACK; + break; + + case UBX_CLASS_NAV: ubx_state->decode_state = UBX_DECODE_GOT_CLASS; ubx_state->message_class = NAV; break; - case UBX_CLASS_RXM: //RXM + case UBX_CLASS_RXM: ubx_state->decode_state = UBX_DECODE_GOT_CLASS; ubx_state->message_class = RXM; break; + case UBX_CLASS_CFG: + ubx_state->decode_state = UBX_DECODE_GOT_CLASS; + ubx_state->message_class = CFG; + break; default: //unknown class: reset state machine ubx_decode_init(); break; @@ -193,9 +194,36 @@ int ubx_parse(uint8_t b, char *gps_rx_buffer) ubx_decode_init(); break; } + break; + case CFG: + switch (b) { + case UBX_MESSAGE_CFG_NAV5: + ubx_state->decode_state = UBX_DECODE_GOT_MESSAGEID; + ubx_state->message_id = CFG_NAV5; + break; + + default: //unknown class: reset state machine, should not happen + ubx_decode_init(); + break; + } break; + case ACK: + switch (b) { + case UBX_MESSAGE_ACK_ACK: + ubx_state->decode_state = UBX_DECODE_GOT_MESSAGEID; + ubx_state->message_id = ACK_ACK; + break; + case UBX_MESSAGE_ACK_NAK: + ubx_state->decode_state = UBX_DECODE_GOT_MESSAGEID; + ubx_state->message_id = ACK_NAK; + break; + default: //unknown class: reset state machine, should not happen + ubx_decode_init(); + break; + } + break; default: //should not happen ubx_decode_init(); break; @@ -542,6 +570,75 @@ int ubx_parse(uint8_t b, char *gps_rx_buffer) break; } + case ACK_ACK: { +// printf("GOT ACK_ACK\n"); + gps_bin_ack_ack_packet_t *packet = (gps_bin_ack_ack_packet_t *) gps_rx_buffer; + + //Check if checksum is valid + if (ubx_state->ck_a == packet->ck_a && ubx_state->ck_b == packet->ck_b) { + + switch (ubx_config_state) { + case UBX_CONFIG_STATE_PRT: + if (packet->clsID == UBX_CLASS_CFG && packet->msgID == UBX_MESSAGE_CFG_PRT) + ubx_config_state++; + break; + case UBX_CONFIG_STATE_NAV5: + if (packet->clsID == UBX_CLASS_CFG && packet->msgID == UBX_MESSAGE_CFG_NAV5) + ubx_config_state++; + break; + case UBX_CONFIG_STATE_MSG_NAV_POSLLH: + case UBX_CONFIG_STATE_MSG_NAV_TIMEUTC: + case UBX_CONFIG_STATE_MSG_NAV_DOP: + case UBX_CONFIG_STATE_MSG_NAV_SVINFO: + case UBX_CONFIG_STATE_MSG_NAV_SOL: + case UBX_CONFIG_STATE_MSG_NAV_VELNED: + case UBX_CONFIG_STATE_MSG_RXM_SVSI: + if (packet->clsID == UBX_CLASS_CFG && packet->msgID == UBX_MESSAGE_CFG_MSG) + ubx_config_state++; + break; + default: + break; + } + + + ret = 1; + + } else { + if (gps_verbose) printf("[gps] ACK_ACK: checksum invalid\n"); + + ret = 0; + } + + // Reset state machine to decode next packet + ubx_decode_init(); + return ret; + + break; + } + + case ACK_NAK: { +// printf("GOT ACK_NAK\n"); + gps_bin_ack_nak_packet_t *packet = (gps_bin_ack_nak_packet_t *) gps_rx_buffer; + + //Check if checksum is valid + if (ubx_state->ck_a == packet->ck_a && ubx_state->ck_b == packet->ck_b) { + + if (gps_verbose) printf("[gps] the ubx gps returned: not acknowledged\n"); + ret = 1; + + } else { + if (gps_verbose) printf("[gps] ACK_NAK: checksum invalid\n"); + + ret = 0; + } + + // Reset state machine to decode next packet + ubx_decode_init(); + return ret; + + break; + } + default: //something went wrong ubx_decode_init(); @@ -574,53 +671,105 @@ void calculate_ubx_checksum(uint8_t *message, uint8_t length) message[length - 2] = ck_a; message[length - 1] = ck_b; - -// printf("[%x,%x]", ck_a, ck_b); - -// printf("[%x,%x]\n", message[length-2], message[length-1]); } int configure_gps_ubx(int *fd) { - //fflush(((FILE *)fd)); - - //TODO: write this in a loop once it is tested - //UBX_CFG_PRT_PART: - write_config_message_ubx(UBX_CONFIG_MESSAGE_PRT, sizeof(UBX_CONFIG_MESSAGE_PRT) / sizeof(uint8_t) , *fd); - - usleep(100000); - - //NAV_POSLLH: - write_config_message_ubx(UBX_CONFIG_MESSAGE_MSG_NAV_POSLLH, sizeof(UBX_CONFIG_MESSAGE_MSG_NAV_POSLLH) / sizeof(uint8_t) , *fd); - usleep(100000); - - //NAV_TIMEUTC: - write_config_message_ubx(UBX_CONFIG_MESSAGE_MSG_NAV_TIMEUTC, sizeof(UBX_CONFIG_MESSAGE_MSG_NAV_TIMEUTC) / sizeof(uint8_t) , *fd); - usleep(100000); - - //NAV_DOP: - write_config_message_ubx(UBX_CONFIG_MESSAGE_MSG_NAV_DOP, sizeof(UBX_CONFIG_MESSAGE_MSG_NAV_DOP) / sizeof(uint8_t) , *fd); - usleep(100000); - - //NAV_SOL: - write_config_message_ubx(UBX_CONFIG_MESSAGE_MSG_NAV_SOL, sizeof(UBX_CONFIG_MESSAGE_MSG_NAV_SOL) / sizeof(uint8_t) , *fd); - usleep(100000); - - - //NAV_SVINFO: - write_config_message_ubx(UBX_CONFIG_MESSAGE_MSG_NAV_SVINFO, sizeof(UBX_CONFIG_MESSAGE_MSG_NAV_SVINFO) / sizeof(uint8_t) , *fd); - usleep(100000); - - //NAV_VELNED: - write_config_message_ubx(UBX_CONFIG_MESSAGE_MSG_NAV_VELNED, sizeof(UBX_CONFIG_MESSAGE_MSG_NAV_VELNED) / sizeof(uint8_t) , *fd); - usleep(100000); - - - //RXM_SVSI: - write_config_message_ubx(UBX_CONFIG_MESSAGE_MSG_RXM_SVSI, sizeof(UBX_CONFIG_MESSAGE_MSG_RXM_SVSI) / sizeof(uint8_t) , *fd); - usleep(100000); - - return 0; + // only needed once like this + const type_gps_bin_cfg_prt_packet_t cfg_prt_packet = { + .clsID = UBX_CLASS_CFG, + .msgID = UBX_MESSAGE_CFG_PRT, + .length = UBX_CFG_PRT_LENGTH, + .portID = UBX_CFG_PRT_PAYLOAD_PORTID, + .mode = UBX_CFG_PRT_PAYLOAD_MODE, + .baudRate = current_gps_speed, + .inProtoMask = UBX_CFG_PRT_PAYLOAD_INPROTOMASK, + .outProtoMask = UBX_CFG_PRT_PAYLOAD_OUTPROTOMASK, + .ck_a = 0, + .ck_b = 0 + }; + + // only needed once like this + const type_gps_bin_cfg_nav5_packet_t cfg_nav5_packet = { + .clsID = UBX_CLASS_CFG, + .msgID = UBX_MESSAGE_CFG_NAV5, + .length = UBX_CFG_NAV5_LENGTH, + .mask = UBX_CFG_NAV5_PAYLOAD_MASK, + .dynModel = UBX_CFG_NAV5_PAYLOAD_DYNMODEL, + .fixMode = UBX_CFG_NAV5_PAYLOAD_FIXMODE, + .ck_a = 0, + .ck_b = 0 + }; + + // this message is reusable for different configuration commands, so not const + type_gps_bin_cfg_msg_packet cfg_msg_packet = { + .clsID = UBX_CLASS_CFG, + .msgID = UBX_MESSAGE_CFG_MSG, + .length = UBX_CFG_MSG_LENGTH, + .rate = UBX_CFG_MSG_PAYLOAD_RATE + }; + + uint64_t time_before_config = hrt_absolute_time(); + + while(hrt_absolute_time() < time_before_config + UBX_CONFIG_TIMEOUT) { + +// if (gps_verbose) printf("[gps] ubx config state: %d\n", ubx_config_state); + + switch (ubx_config_state) { + case UBX_CONFIG_STATE_PRT: +// if (gps_verbose) printf("[gps] Configuring ubx with baudrate: %d\n", cfg_prt_packet.baudRate); + + write_config_message_ubx((uint8_t*)(&cfg_prt_packet), sizeof(cfg_prt_packet), fd); + break; + case UBX_CONFIG_STATE_NAV5: + write_config_message_ubx((uint8_t*)(&cfg_nav5_packet), sizeof(cfg_nav5_packet), fd); + break; + case UBX_CONFIG_STATE_MSG_NAV_POSLLH: + cfg_msg_packet.msgClass_payload = UBX_CLASS_NAV; + cfg_msg_packet.msgID_payload = UBX_MESSAGE_NAV_POSLLH; + write_config_message_ubx((uint8_t*)(&cfg_msg_packet), sizeof(cfg_msg_packet), fd); + break; + case UBX_CONFIG_STATE_MSG_NAV_TIMEUTC: + cfg_msg_packet.msgClass_payload = UBX_CLASS_NAV; + cfg_msg_packet.msgID_payload = UBX_MESSAGE_NAV_TIMEUTC; + write_config_message_ubx((uint8_t*)(&cfg_msg_packet), sizeof(cfg_msg_packet), fd); + break; + case UBX_CONFIG_STATE_MSG_NAV_DOP: + cfg_msg_packet.msgClass_payload = UBX_CLASS_NAV; + cfg_msg_packet.msgID_payload = UBX_MESSAGE_NAV_DOP; + write_config_message_ubx((uint8_t*)(&cfg_msg_packet), sizeof(cfg_msg_packet), fd); + break; + case UBX_CONFIG_STATE_MSG_NAV_SVINFO: + cfg_msg_packet.msgClass_payload = UBX_CLASS_NAV; + cfg_msg_packet.msgID_payload = UBX_MESSAGE_NAV_SVINFO; + write_config_message_ubx((uint8_t*)(&cfg_msg_packet), sizeof(cfg_msg_packet), fd); + break; + case UBX_CONFIG_STATE_MSG_NAV_SOL: + cfg_msg_packet.msgClass_payload = UBX_CLASS_NAV; + cfg_msg_packet.msgID_payload = UBX_MESSAGE_NAV_SOL; + write_config_message_ubx((uint8_t*)(&cfg_msg_packet), sizeof(cfg_msg_packet), fd); + break; + case UBX_CONFIG_STATE_MSG_NAV_VELNED: + cfg_msg_packet.msgClass_payload = UBX_CLASS_NAV; + cfg_msg_packet.msgID_payload = UBX_MESSAGE_NAV_VELNED; + write_config_message_ubx((uint8_t*)(&cfg_msg_packet), sizeof(cfg_msg_packet), fd); + break; + case UBX_CONFIG_STATE_MSG_RXM_SVSI: + cfg_msg_packet.msgClass_payload = UBX_CLASS_RXM; + cfg_msg_packet.msgID_payload = UBX_MESSAGE_RXM_SVSI; + write_config_message_ubx((uint8_t*)(&cfg_msg_packet), sizeof(cfg_msg_packet), fd); + break; + case UBX_CONFIG_STATE_CONFIGURED: + if (gps_verbose) printf("[gps] ubx configuration finished\n"); + return OK; + break; + default: + break; + } + usleep(10000); + } + if (gps_verbose) printf("[gps] ubx configuration timeout\n"); + return ERROR; } @@ -637,22 +786,17 @@ int read_gps_ubx(int *fd, char *gps_rx_buffer, int buffer_size) fds.events = POLLIN; // UBX GPS mode - // This blocks the task until there is something on the buffer while (1) { //check if the thread should terminate if (terminate_gps_thread == true) { -// printf("terminate_gps_thread=%u ", terminate_gps_thread); -// printf("exiting mtk thread\n"); -// fflush(stdout); ret = 1; break; } - if (poll(&fds, 1, 1000) > 0) { if (read(*fd, &c, 1) > 0) { - // printf("Read %x\n",c); +// printf("Read %x\n",c); if (rx_count >= buffer_size) { // The buffer is already full and we haven't found a valid ubx sentence. // Flush the buffer and note the overflow event. @@ -671,7 +815,7 @@ int read_gps_ubx(int *fd, char *gps_rx_buffer, int buffer_size) int msg_read = ubx_parse(c, gps_rx_buffer); if (msg_read > 0) { - // printf("Found sequence\n"); + //printf("Found sequence\n"); break; } @@ -688,28 +832,41 @@ int read_gps_ubx(int *fd, char *gps_rx_buffer, int buffer_size) return ret; } -int write_config_message_ubx(uint8_t *message, size_t length, int fd) +int write_config_message_ubx(const uint8_t *message, const size_t length, const int *fd) { - //calculate and write checksum to the end uint8_t ck_a = 0; uint8_t ck_b = 0; unsigned int i; - for (i = 2; i < length; i++) { + uint8_t buffer[2]; + ssize_t result_write = 0; + + //calculate and write checksum to the end + for (i = 0; i < length-2; i++) { ck_a = ck_a + message[i]; ck_b = ck_b + ck_a; } -// printf("[%x,%x]\n", ck_a, ck_b); + // write sync bytes first + buffer[0] = UBX_SYNC_1; + buffer[1] = UBX_SYNC_2; + + // write config message without the checksum + result_write = write(*fd, buffer, sizeof(buffer)); + result_write += write(*fd, message, length-2); + + buffer[0] = ck_a; + buffer[1] = ck_b; - unsigned int result_write = write(fd, message, length); - result_write += write(fd, &ck_a, 1); - result_write += write(fd, &ck_b, 1); - fsync(fd); + // write the checksum + result_write += write(*fd, buffer, sizeof(buffer)); - return (result_write != length + 2); //return 0 as success + fsync(*fd); + if ((unsigned int)result_write != length + 2) + return ERROR; + return OK; } void *ubx_watchdog_loop(void *args) @@ -723,6 +880,10 @@ void *ubx_watchdog_loop(void *args) int *fd = arguments->fd_ptr; bool *thread_should_exit = arguments->thread_should_exit_ptr; + ubx_config_state = UBX_CONFIG_STATE_PRT; + /* first try to configure the GPS anyway */ + configure_gps_ubx(fd); + /* GPS watchdog error message skip counter */ bool ubx_healthy = false; @@ -780,7 +941,9 @@ void *ubx_watchdog_loop(void *args) ubx_healthy = false; ubx_success_count = 0; } + /* trying to reconfigure the gps configuration */ + ubx_config_state = UBX_CONFIG_STATE_PRT; configure_gps_ubx(fd); fflush(stdout); sleep(1); @@ -833,23 +996,6 @@ void *ubx_loop(void *args) /* set parameters for ubx */ - if (configure_gps_ubx(fd) != 0) { - printf("[gps] Configuration of gps module to ubx failed\n"); - - /* Write shared variable sys_status */ - // TODO enable this again - //global_data_send_subsystem_info(&ubx_present); - - } else { - if (gps_verbose) printf("[gps] Attempting to configure GPS to UBX binary protocol\n"); - - // XXX Shouldn't the system status only change if the module is known to work ok? - - /* Write shared variable sys_status */ - // TODO enable this again - //global_data_send_subsystem_info(&ubx_present_enabled); - } - struct vehicle_gps_position_s ubx_gps_d = {.counter = 0}; ubx_gps = &ubx_gps_d; diff --git a/apps/gps/ubx.h b/apps/gps/ubx.h index f4f01df9a..f3313a3c6 100644 --- a/apps/gps/ubx.h +++ b/apps/gps/ubx.h @@ -49,15 +49,17 @@ //internal definitions (not depending on the ubx protocol -#define CONFIGURE_UBX_FINISHED 0 -#define CONFIGURE_UBX_MESSAGE_ACKNOWLEDGED 1 -#define CONFIGURE_UBX_MESSAGE_NOT_ACKNOWLEDGED 2 #define UBX_NO_OF_MESSAGES 7 /**< Read 7 UBX GPS messages */ #define UBX_WATCHDOG_CRITICAL_TIME_MICROSECONDS 3000000 /**< Allow 3 seconds maximum inter-message time */ -#define UBX_WATCHDOG_WAIT_TIME_MICROSECONDS 500000 /**< Check for current state every 0.4 seconds */ +#define UBX_WATCHDOG_WAIT_TIME_MICROSECONDS 2000000 /**< Check for current state every two seconds */ + +#define UBX_CONFIG_TIMEOUT 1000000 #define APPNAME "gps: ubx" +#define UBX_SYNC_1 0xB5 +#define UBX_SYNC_2 0x62 + //UBX Protocoll definitions (this is the subset of the messages that are parsed) #define UBX_CLASS_NAV 0x01 #define UBX_CLASS_RXM 0x02 @@ -72,6 +74,24 @@ #define UBX_MESSAGE_RXM_SVSI 0x20 #define UBX_MESSAGE_ACK_ACK 0x01 #define UBX_MESSAGE_ACK_NAK 0x00 +#define UBX_MESSAGE_CFG_PRT 0x00 +#define UBX_MESSAGE_CFG_NAV5 0x24 +#define UBX_MESSAGE_CFG_MSG 0x01 + +#define UBX_CFG_PRT_LENGTH 20 +#define UBX_CFG_PRT_PAYLOAD_PORTID 0x01 /**< port 1 */ +#define UBX_CFG_PRT_PAYLOAD_MODE 0x000008D0 /**< 0b0000100011010000: 8N1 */ +#define UBX_CFG_PRT_PAYLOAD_BAUDRATE 38400 /**< always choose 38400 as GPS baudrate */ +#define UBX_CFG_PRT_PAYLOAD_INPROTOMASK 0x01 /**< ubx in */ +#define UBX_CFG_PRT_PAYLOAD_OUTPROTOMASK 0x01 /**< ubx out */ + +#define UBX_CFG_NAV5_LENGTH 36 +#define UBX_CFG_NAV5_PAYLOAD_MASK 0x0001 /**< only update dynamic model and fix mode */ +#define UBX_CFG_NAV5_PAYLOAD_DYNMODEL 7 /**< 0: portable, 2: stationary, 3: pedestrian, 4: automotive, 5: sea, 6: airborne <1g, 7: airborne <2g, 8: airborne <4g */ +#define UBX_CFG_NAV5_PAYLOAD_FIXMODE 2 /**< 1: 2D only, 2: 3D only, 3: Auto 2D/3D */ + +#define UBX_CFG_MSG_LENGTH 8 +#define UBX_CFG_MSG_PAYLOAD_RATE {0x00, 0x01, 0x00, 0x00, 0x00, 0x00} /**< UART1 chosen */ // ************ @@ -216,7 +236,7 @@ typedef type_gps_bin_rxm_svsi_packet gps_bin_rxm_svsi_packet_t; typedef struct { uint8_t clsID; - uint8_t msgId; + uint8_t msgID; uint8_t ck_a; uint8_t ck_b; @@ -226,7 +246,7 @@ typedef type_gps_bin_ack_ack_packet gps_bin_ack_ack_packet_t; typedef struct { uint8_t clsID; - uint8_t msgId; + uint8_t msgID; uint8_t ck_a; uint8_t ck_b; @@ -234,15 +254,91 @@ typedef struct { typedef type_gps_bin_ack_nak_packet gps_bin_ack_nak_packet_t; +typedef struct { + uint8_t clsID; + uint8_t msgID; + uint16_t length; + uint8_t portID; + uint8_t res0; + uint16_t res1; + uint32_t mode; + uint32_t baudRate; + uint16_t inProtoMask; + uint16_t outProtoMask; + uint16_t flags; + uint16_t pad; + + uint8_t ck_a; + uint8_t ck_b; +} type_gps_bin_cfg_prt_packet; + +typedef type_gps_bin_cfg_prt_packet type_gps_bin_cfg_prt_packet_t; + +typedef struct { + uint8_t clsID; + uint8_t msgID; + uint16_t length; + uint16_t mask; + uint8_t dynModel; + uint8_t fixMode; + int32_t fixedAlt; + uint32_t fixedAltVar; + int8_t minElev; + uint8_t drLimit; + uint16_t pDop; + uint16_t tDop; + uint16_t pAcc; + uint16_t tAcc; + uint8_t staticHoldThresh; + uint8_t dgpsTimeOut; + uint32_t reserved2; + uint32_t reserved3; + uint32_t reserved4; + + uint8_t ck_a; + uint8_t ck_b; +} type_gps_bin_cfg_nav5_packet; + +typedef type_gps_bin_cfg_nav5_packet type_gps_bin_cfg_nav5_packet_t; + +typedef struct { + uint8_t clsID; + uint8_t msgID; + uint16_t length; + uint8_t msgClass_payload; + uint8_t msgID_payload; + uint8_t rate[6]; + + uint8_t ck_a; + uint8_t ck_b; +} type_gps_bin_cfg_msg_packet; + +typedef type_gps_bin_cfg_msg_packet type_gps_bin_cfg_msg_packet_t; + // END the structures of the binary packets // ************ +enum UBX_CONFIG_STATE { + UBX_CONFIG_STATE_NONE = 0, + UBX_CONFIG_STATE_PRT = 1, + UBX_CONFIG_STATE_NAV5 = 2, + UBX_CONFIG_STATE_MSG_NAV_POSLLH = 3, + UBX_CONFIG_STATE_MSG_NAV_TIMEUTC = 4, + UBX_CONFIG_STATE_MSG_NAV_DOP = 5, + UBX_CONFIG_STATE_MSG_NAV_SVINFO = 6, + UBX_CONFIG_STATE_MSG_NAV_SOL = 7, + UBX_CONFIG_STATE_MSG_NAV_VELNED = 8, + UBX_CONFIG_STATE_MSG_RXM_SVSI = 9, + UBX_CONFIG_STATE_CONFIGURED = 10 +}; + enum UBX_MESSAGE_CLASSES { CLASS_UNKNOWN = 0, NAV = 1, RXM = 2, - ACK = 3 + ACK = 3, + CFG = 4 }; enum UBX_MESSAGE_IDS { @@ -254,7 +350,10 @@ enum UBX_MESSAGE_IDS { NAV_DOP = 4, NAV_SVINFO = 5, NAV_VELNED = 6, - RXM_SVSI = 7 + RXM_SVSI = 7, + CFG_NAV5 = 8, + ACK_ACK = 9, + ACK_NAK = 10 }; enum UBX_DECODE_STATES { @@ -304,7 +403,7 @@ int configure_gps_ubx(int *fd); int read_gps_ubx(int *fd, char *gps_rx_buffer, int buffer_size); -int write_config_message_ubx(uint8_t *message, size_t length, int fd); +int write_config_message_ubx(const uint8_t *message, const size_t length, const int *fd); void calculate_ubx_checksum(uint8_t *message, uint8_t length); |