forked from Archive/PX4-Autopilot
Merge branch 'master' of github.com:PX4/Firmware into failsafe_io
This commit is contained in:
Lorenz Meier
commit
de8186e050
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@ -739,7 +739,7 @@ UBX::configure_message_rate(uint8_t msg_class, uint8_t msg_id, uint8_t rate)
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msg.msg_class = msg_class;
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msg.msg_id = msg_id;
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msg.rate = rate;
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send_message(CFG, UBX_MESSAGE_CFG_MSG, &msg, sizeof(msg));
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send_message(UBX_CLASS_CFG, UBX_MESSAGE_CFG_MSG, &msg, sizeof(msg));
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}
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void
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@ -53,6 +53,7 @@
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#include <termios.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <systemlib/err.h>
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#include <systemlib/systemlib.h>
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#include "messages.h"
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@ -60,56 +61,44 @@
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static int thread_should_exit = false; /**< Deamon exit flag */
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static int thread_running = false; /**< Deamon status flag */
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static int deamon_task; /**< Handle of deamon task / thread */
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static char *daemon_name = "hott_telemetry";
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static char *commandline_usage = "usage: hott_telemetry start|status|stop [-d <device>]";
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static const char daemon_name[] = "hott_telemetry";
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static const char commandline_usage[] = "usage: hott_telemetry start|status|stop [-d <device>]";
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/* A little console messaging experiment - console helper macro */
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#define FATAL_MSG(_msg) fprintf(stderr, "[%s] %s\n", daemon_name, _msg); exit(1);
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#define ERROR_MSG(_msg) fprintf(stderr, "[%s] %s\n", daemon_name, _msg);
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#define INFO_MSG(_msg) printf("[%s] %s\n", daemon_name, _msg);
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/**
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* Deamon management function.
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*/
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__EXPORT int hott_telemetry_main(int argc, char *argv[]);
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/**
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* Mainloop of deamon.
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* Mainloop of daemon.
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*/
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int hott_telemetry_thread_main(int argc, char *argv[]);
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static int read_data(int uart, int *id);
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static int send_data(int uart, uint8_t *buffer, int size);
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static int recv_req_id(int uart, uint8_t *id);
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static int send_data(int uart, uint8_t *buffer, size_t size);
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static int open_uart(const char *device, struct termios *uart_config_original)
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static int
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open_uart(const char *device, struct termios *uart_config_original)
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{
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/* baud rate */
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int speed = B19200;
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int uart;
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static const speed_t speed = B19200;
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/* open uart */
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uart = open(device, O_RDWR | O_NOCTTY);
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const int uart = open(device, O_RDWR | O_NOCTTY);
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if (uart < 0) {
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char msg[80];
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sprintf(msg, "Error opening port: %s\n", device);
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FATAL_MSG(msg);
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err(1, "Error opening port: %s", device);
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}
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/* Try to set baud rate */
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struct termios uart_config;
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/* Back up the original uart configuration to restore it after exit */
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int termios_state;
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/* Back up the original uart configuration to restore it after exit */
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char msg[80];
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if ((termios_state = tcgetattr(uart, uart_config_original)) < 0) {
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sprintf(msg, "Error getting baudrate / termios config for %s: %d\n", device, termios_state);
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close(uart);
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FATAL_MSG(msg);
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err(1, "Error getting baudrate / termios config for %s: %d", device, termios_state);
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}
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/* Fill the struct for the new configuration */
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struct termios uart_config;
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tcgetattr(uart, &uart_config);
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/* Clear ONLCR flag (which appends a CR for every LF) */
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@ -117,16 +106,14 @@ static int open_uart(const char *device, struct termios *uart_config_original)
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/* Set baud rate */
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if (cfsetispeed(&uart_config, speed) < 0 || cfsetospeed(&uart_config, speed) < 0) {
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sprintf(msg, "Error setting baudrate / termios config for %s: %d (cfsetispeed, cfsetospeed)\n",
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device, termios_state);
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close(uart);
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FATAL_MSG(msg);
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err(1, "Error setting baudrate / termios config for %s: %d (cfsetispeed, cfsetospeed)",
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device, termios_state);
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}
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if ((termios_state = tcsetattr(uart, TCSANOW, &uart_config)) < 0) {
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sprintf(msg, "Error setting baudrate / termios config for %s (tcsetattr)\n", device);
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close(uart);
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FATAL_MSG(msg);
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err(1, "Error setting baudrate / termios config for %s (tcsetattr)", device);
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}
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/* Activate single wire mode */
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@ -135,39 +122,42 @@ static int open_uart(const char *device, struct termios *uart_config_original)
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return uart;
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}
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int read_data(int uart, int *id)
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int
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recv_req_id(int uart, uint8_t *id)
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{
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const int timeout = 1000;
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static const int timeout_ms = 1000; // TODO make it a define
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struct pollfd fds[] = { { .fd = uart, .events = POLLIN } };
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char mode;
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uint8_t mode;
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if (poll(fds, 1, timeout) > 0) {
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if (poll(fds, 1, timeout_ms) > 0) {
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/* Get the mode: binary or text */
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read(uart, &mode, 1);
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read(uart, &mode, sizeof(mode));
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/* Read the device ID being polled */
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read(uart, id, 1);
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read(uart, id, sizeof(*id));
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/* if we have a binary mode request */
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if (mode != BINARY_MODE_REQUEST_ID) {
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warnx("Non binary request ID detected: %d", mode);
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return ERROR;
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}
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} else {
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ERROR_MSG("UART timeout on TX/RX port");
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warnx("UART timeout on TX/RX port");
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return ERROR;
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}
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return OK;
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}
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int send_data(int uart, uint8_t *buffer, int size)
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int
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send_data(int uart, uint8_t *buffer, size_t size)
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{
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usleep(POST_READ_DELAY_IN_USECS);
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uint16_t checksum = 0;
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for (int i = 0; i < size; i++) {
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for (size_t i = 0; i < size; i++) {
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if (i == size - 1) {
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/* Set the checksum: the first uint8_t is taken as the checksum. */
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buffer[i] = checksum & 0xff;
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@ -176,7 +166,7 @@ int send_data(int uart, uint8_t *buffer, int size)
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checksum += buffer[i];
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}
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write(uart, &buffer[i], 1);
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write(uart, &buffer[i], sizeof(buffer[i]));
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/* Sleep before sending the next byte. */
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usleep(POST_WRITE_DELAY_IN_USECS);
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@ -190,13 +180,14 @@ int send_data(int uart, uint8_t *buffer, int size)
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return OK;
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}
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int hott_telemetry_thread_main(int argc, char *argv[])
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int
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hott_telemetry_thread_main(int argc, char *argv[])
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{
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INFO_MSG("starting");
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warnx("starting");
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thread_running = true;
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char *device = "/dev/ttyS1"; /**< Default telemetry port: USART2 */
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const char *device = "/dev/ttyS1"; /**< Default telemetry port: USART2 */
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/* read commandline arguments */
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for (int i = 0; i < argc && argv[i]; i++) {
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@ -206,45 +197,48 @@ int hott_telemetry_thread_main(int argc, char *argv[])
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} else {
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thread_running = false;
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ERROR_MSG("missing parameter to -d");
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ERROR_MSG(commandline_usage);
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exit(1);
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errx(1, "missing parameter to -d\n%s", commandline_usage);
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}
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}
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}
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/* enable UART, writes potentially an empty buffer, but multiplexing is disabled */
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struct termios uart_config_original;
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int uart = open_uart(device, &uart_config_original);
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const int uart = open_uart(device, &uart_config_original);
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if (uart < 0) {
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ERROR_MSG("Failed opening HoTT UART, exiting.");
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errx(1, "Failed opening HoTT UART, exiting.");
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thread_running = false;
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exit(ERROR);
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}
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messages_init();
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uint8_t buffer[MESSAGE_BUFFER_SIZE];
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int size = 0;
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int id = 0;
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size_t size = 0;
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uint8_t id = 0;
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while (!thread_should_exit) {
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if (read_data(uart, &id) == OK) {
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if (recv_req_id(uart, &id) == OK) {
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switch (id) {
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case ELECTRIC_AIR_MODULE:
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case EAM_SENSOR_ID:
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build_eam_response(buffer, &size);
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break;
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case GPS_SENSOR_ID:
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build_gps_response(buffer, &size);
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break;
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default:
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continue; // Not a module we support.
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}
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send_data(uart, buffer, size);
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} else {
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warnx("NOK");
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}
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}
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INFO_MSG("exiting");
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warnx("exiting");
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close(uart);
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@ -256,23 +250,22 @@ int hott_telemetry_thread_main(int argc, char *argv[])
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/**
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* Process command line arguments and tart the daemon.
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*/
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int hott_telemetry_main(int argc, char *argv[])
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int
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hott_telemetry_main(int argc, char *argv[])
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{
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if (argc < 1) {
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ERROR_MSG("missing command");
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ERROR_MSG(commandline_usage);
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exit(1);
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errx(1, "missing command\n%s", commandline_usage);
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}
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if (!strcmp(argv[1], "start")) {
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if (thread_running) {
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INFO_MSG("deamon already running");
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warnx("deamon already running");
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exit(0);
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}
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thread_should_exit = false;
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deamon_task = task_spawn("hott_telemetry",
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deamon_task = task_spawn(daemon_name,
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SCHED_DEFAULT,
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SCHED_PRIORITY_MAX - 40,
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2048,
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@ -288,19 +281,14 @@ int hott_telemetry_main(int argc, char *argv[])
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if (!strcmp(argv[1], "status")) {
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if (thread_running) {
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INFO_MSG("daemon is running");
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warnx("daemon is running");
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} else {
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INFO_MSG("daemon not started");
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warnx("daemon not started");
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}
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exit(0);
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}
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ERROR_MSG("unrecognized command");
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ERROR_MSG(commandline_usage);
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exit(1);
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errx(1, "unrecognized command\n%s", commandline_usage);
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}
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|
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@ -1,7 +1,7 @@
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/****************************************************************************
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*
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* Copyright (c) 2012, 2013 PX4 Development Team. All rights reserved.
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* Author: Simon Wilks <sjwilks@gmail.com>
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* Copyright (C) 2012 PX4 Development Team. All rights reserved.
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* Author: @author Simon Wilks <sjwilks@gmail.com>
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*
|
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* Redistribution and use in source and binary forms, with or without
|
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* modification, are permitted provided that the following conditions
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@ -34,30 +34,44 @@
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/**
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* @file messages.c
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* @author Simon Wilks <sjwilks@gmail.com>
|
||||
*
|
||||
*/
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|
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#include "messages.h"
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|
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#include <math.h>
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#include <stdio.h>
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#include <string.h>
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#include <systemlib/systemlib.h>
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#include <systemlib/geo/geo.h>
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#include <unistd.h>
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#include <uORB/topics/airspeed.h>
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#include <uORB/topics/battery_status.h>
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#include <uORB/topics/home_position.h>
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||||
#include <uORB/topics/sensor_combined.h>
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#include <uORB/topics/vehicle_gps_position.h>
|
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|
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/* The board is very roughly 5 deg warmer than the surrounding air */
|
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#define BOARD_TEMP_OFFSET_DEG 5
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||||
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||||
static int airspeed_sub = -1;
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static int battery_sub = -1;
|
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static int gps_sub = -1;
|
||||
static int home_sub = -1;
|
||||
static int sensor_sub = -1;
|
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|
||||
void messages_init(void)
|
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static bool home_position_set = false;
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static double home_lat = 0.0d;
|
||||
static double home_lon = 0.0d;
|
||||
|
||||
void
|
||||
messages_init(void)
|
||||
{
|
||||
battery_sub = orb_subscribe(ORB_ID(battery_status));
|
||||
gps_sub = orb_subscribe(ORB_ID(vehicle_gps_position));
|
||||
home_sub = orb_subscribe(ORB_ID(home_position));
|
||||
sensor_sub = orb_subscribe(ORB_ID(sensor_combined));
|
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airspeed_sub = orb_subscribe(ORB_ID(airspeed));
|
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}
|
||||
|
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void build_eam_response(uint8_t *buffer, int *size)
|
||||
void
|
||||
build_eam_response(uint8_t *buffer, size_t *size)
|
||||
{
|
||||
/* get a local copy of the current sensor values */
|
||||
struct sensor_combined_s raw;
|
||||
|
|
@ -74,26 +88,144 @@ void build_eam_response(uint8_t *buffer, int *size)
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memset(&msg, 0, *size);
|
||||
|
||||
msg.start = START_BYTE;
|
||||
msg.eam_sensor_id = ELECTRIC_AIR_MODULE;
|
||||
msg.sensor_id = EAM_SENSOR_ID;
|
||||
msg.eam_sensor_id = EAM_SENSOR_ID;
|
||||
msg.sensor_id = EAM_SENSOR_TEXT_ID;
|
||||
|
||||
msg.temperature1 = (uint8_t)(raw.baro_temp_celcius + 20);
|
||||
msg.temperature2 = TEMP_ZERO_CELSIUS;
|
||||
msg.temperature2 = msg.temperature1 - BOARD_TEMP_OFFSET_DEG;
|
||||
|
||||
msg.main_voltage_L = (uint8_t)(battery.voltage_v * 10);
|
||||
|
||||
uint16_t alt = (uint16_t)(raw.baro_alt_meter + 500);
|
||||
msg.altitude_L = (uint8_t)alt & 0xff;
|
||||
msg.altitude_H = (uint8_t)(alt >> 8) & 0xff;
|
||||
|
||||
/* get a local copy of the current sensor values */
|
||||
struct airspeed_s airspeed;
|
||||
memset(&airspeed, 0, sizeof(airspeed));
|
||||
orb_copy(ORB_ID(airspeed), airspeed_sub, &airspeed);
|
||||
msg.stop = STOP_BYTE;
|
||||
memcpy(buffer, &msg, *size);
|
||||
}
|
||||
|
||||
uint16_t speed = (uint16_t)(airspeed.indicated_airspeed_m_s * 3.6);
|
||||
msg.speed_L = (uint8_t)speed & 0xff;
|
||||
msg.speed_H = (uint8_t)(speed >> 8) & 0xff;
|
||||
void
|
||||
build_gps_response(uint8_t *buffer, size_t *size)
|
||||
{
|
||||
/* get a local copy of the current sensor values */
|
||||
struct sensor_combined_s raw;
|
||||
memset(&raw, 0, sizeof(raw));
|
||||
orb_copy(ORB_ID(sensor_combined), sensor_sub, &raw);
|
||||
|
||||
/* get a local copy of the battery data */
|
||||
struct vehicle_gps_position_s gps;
|
||||
memset(&gps, 0, sizeof(gps));
|
||||
orb_copy(ORB_ID(vehicle_gps_position), gps_sub, &gps);
|
||||
|
||||
struct gps_module_msg msg = { 0 };
|
||||
*size = sizeof(msg);
|
||||
memset(&msg, 0, *size);
|
||||
|
||||
msg.start = START_BYTE;
|
||||
msg.sensor_id = GPS_SENSOR_ID;
|
||||
msg.sensor_text_id = GPS_SENSOR_TEXT_ID;
|
||||
|
||||
msg.gps_num_sat = gps.satellites_visible;
|
||||
|
||||
/* The GPS fix type: 0 = none, 2 = 2D, 3 = 3D */
|
||||
msg.gps_fix_char = (uint8_t)(gps.fix_type + 48);
|
||||
msg.gps_fix = (uint8_t)(gps.fix_type + 48);
|
||||
|
||||
/* No point collecting more data if we don't have a 3D fix yet */
|
||||
if (gps.fix_type > 2) {
|
||||
/* Current flight direction */
|
||||
msg.flight_direction = (uint8_t)(gps.cog_rad * M_RAD_TO_DEG_F);
|
||||
|
||||
/* GPS speed */
|
||||
uint16_t speed = (uint16_t)(gps.vel_m_s * 3.6);
|
||||
msg.gps_speed_L = (uint8_t)speed & 0xff;
|
||||
msg.gps_speed_H = (uint8_t)(speed >> 8) & 0xff;
|
||||
|
||||
/* Get latitude in degrees, minutes and seconds */
|
||||
double lat = ((double)(gps.lat))*1e-7d;
|
||||
|
||||
/* Set the N or S specifier */
|
||||
msg.latitude_ns = 0;
|
||||
if (lat < 0) {
|
||||
msg.latitude_ns = 1;
|
||||
lat = abs(lat);
|
||||
}
|
||||
|
||||
int deg;
|
||||
int min;
|
||||
int sec;
|
||||
convert_to_degrees_minutes_seconds(lat, °, &min, &sec);
|
||||
|
||||
uint16_t lat_min = (uint16_t)(deg * 100 + min);
|
||||
msg.latitude_min_L = (uint8_t)lat_min & 0xff;
|
||||
msg.latitude_min_H = (uint8_t)(lat_min >> 8) & 0xff;
|
||||
uint16_t lat_sec = (uint16_t)(sec);
|
||||
msg.latitude_sec_L = (uint8_t)lat_sec & 0xff;
|
||||
msg.latitude_sec_H = (uint8_t)(lat_sec >> 8) & 0xff;
|
||||
|
||||
/* Get longitude in degrees, minutes and seconds */
|
||||
double lon = ((double)(gps.lon))*1e-7d;
|
||||
|
||||
/* Set the E or W specifier */
|
||||
msg.longitude_ew = 0;
|
||||
if (lon < 0) {
|
||||
msg.longitude_ew = 1;
|
||||
lon = abs(lon);
|
||||
}
|
||||
|
||||
convert_to_degrees_minutes_seconds(lon, °, &min, &sec);
|
||||
|
||||
uint16_t lon_min = (uint16_t)(deg * 100 + min);
|
||||
msg.longitude_min_L = (uint8_t)lon_min & 0xff;
|
||||
msg.longitude_min_H = (uint8_t)(lon_min >> 8) & 0xff;
|
||||
uint16_t lon_sec = (uint16_t)(sec);
|
||||
msg.longitude_sec_L = (uint8_t)lon_sec & 0xff;
|
||||
msg.longitude_sec_H = (uint8_t)(lon_sec >> 8) & 0xff;
|
||||
|
||||
/* Altitude */
|
||||
uint16_t alt = (uint16_t)(gps.alt*1e-3 + 500.0f);
|
||||
msg.altitude_L = (uint8_t)alt & 0xff;
|
||||
msg.altitude_H = (uint8_t)(alt >> 8) & 0xff;
|
||||
|
||||
/* Get any (and probably only ever one) home_sub postion report */
|
||||
bool updated;
|
||||
orb_check(home_sub, &updated);
|
||||
if (updated) {
|
||||
/* get a local copy of the home position data */
|
||||
struct home_position_s home;
|
||||
memset(&home, 0, sizeof(home));
|
||||
orb_copy(ORB_ID(home_position), home_sub, &home);
|
||||
|
||||
home_lat = ((double)(home.lat))*1e-7d;
|
||||
home_lon = ((double)(home.lon))*1e-7d;
|
||||
home_position_set = true;
|
||||
}
|
||||
|
||||
/* Distance from home */
|
||||
if (home_position_set) {
|
||||
uint16_t dist = (uint16_t)get_distance_to_next_waypoint(home_lat, home_lon, lat, lon);
|
||||
|
||||
msg.distance_L = (uint8_t)dist & 0xff;
|
||||
msg.distance_H = (uint8_t)(dist >> 8) & 0xff;
|
||||
|
||||
/* Direction back to home */
|
||||
uint16_t bearing = (uint16_t)(get_bearing_to_next_waypoint(home_lat, home_lon, lat, lon) * M_RAD_TO_DEG_F);
|
||||
msg.home_direction = (uint8_t)bearing >> 1;
|
||||
}
|
||||
}
|
||||
|
||||
msg.stop = STOP_BYTE;
|
||||
|
||||
memcpy(buffer, &msg, *size);
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
convert_to_degrees_minutes_seconds(double val, int *deg, int *min, int *sec)
|
||||
{
|
||||
*deg = (int)val;
|
||||
|
||||
double delta = val - *deg;
|
||||
const double min_d = delta * 60.0d;
|
||||
*min = (int)min_d;
|
||||
delta = min_d - *min;
|
||||
*sec = (int)(delta * 10000.0d);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -44,11 +44,6 @@
|
|||
|
||||
#include <stdlib.h>
|
||||
|
||||
/* The buffer size used to store messages. This must be at least as big as the number of
|
||||
* fields in the largest message struct.
|
||||
*/
|
||||
#define MESSAGE_BUFFER_SIZE 50
|
||||
|
||||
/* The HoTT receiver demands a minimum 5ms period of silence after delivering its request.
|
||||
* Note that the value specified here is lower than 5000 (5ms) as time is lost constucting
|
||||
* the message after the read which takes some milliseconds.
|
||||
|
|
@ -66,18 +61,18 @@
|
|||
#define TEMP_ZERO_CELSIUS 0x14
|
||||
|
||||
/* Electric Air Module (EAM) constants. */
|
||||
#define ELECTRIC_AIR_MODULE 0x8e
|
||||
#define EAM_SENSOR_ID 0xe0
|
||||
#define EAM_SENSOR_ID 0x8e
|
||||
#define EAM_SENSOR_TEXT_ID 0xe0
|
||||
|
||||
/* The Electric Air Module message. */
|
||||
struct eam_module_msg {
|
||||
uint8_t start; /**< Start byte */
|
||||
uint8_t eam_sensor_id; /**< EAM sensor ID */
|
||||
uint8_t start; /**< Start byte */
|
||||
uint8_t eam_sensor_id; /**< EAM sensor */
|
||||
uint8_t warning;
|
||||
uint8_t sensor_id; /**< Sensor ID, why different? */
|
||||
uint8_t sensor_id; /**< Sensor ID, why different? */
|
||||
uint8_t alarm_inverse1;
|
||||
uint8_t alarm_inverse2;
|
||||
uint8_t cell1_L; /**< Lipo cell voltages. Not supported. */
|
||||
uint8_t cell1_L; /**< Lipo cell voltages. Not supported. */
|
||||
uint8_t cell2_L;
|
||||
uint8_t cell3_L;
|
||||
uint8_t cell4_L;
|
||||
|
|
@ -95,30 +90,107 @@ struct eam_module_msg {
|
|||
uint8_t batt1_voltage_H;
|
||||
uint8_t batt2_voltage_L; /**< Battery 2 voltage, lower 8-bits in steps of 0.02V */
|
||||
uint8_t batt2_voltage_H;
|
||||
uint8_t temperature1; /**< Temperature sensor 1. 20 = 0 degrees */
|
||||
uint8_t temperature1; /**< Temperature sensor 1. 20 = 0 degrees */
|
||||
uint8_t temperature2;
|
||||
uint8_t altitude_L; /**< Attitude (meters) lower 8-bits. 500 = 0 meters */
|
||||
uint8_t altitude_L; /**< Attitude (meters) lower 8-bits. 500 = 0 meters */
|
||||
uint8_t altitude_H;
|
||||
uint8_t current_L; /**< Current (mAh) lower 8-bits in steps of 0.1V */
|
||||
uint8_t current_L; /**< Current (mAh) lower 8-bits in steps of 0.1V */
|
||||
uint8_t current_H;
|
||||
uint8_t main_voltage_L; /**< Main power voltage lower 8-bits in steps of 0.1V */
|
||||
uint8_t main_voltage_L; /**< Main power voltage lower 8-bits in steps of 0.1V */
|
||||
uint8_t main_voltage_H;
|
||||
uint8_t battery_capacity_L; /**< Used battery capacity in steps of 10mAh */
|
||||
uint8_t battery_capacity_L; /**< Used battery capacity in steps of 10mAh */
|
||||
uint8_t battery_capacity_H;
|
||||
uint8_t climbrate_L; /**< Climb rate in 0.01m/s. 0m/s = 30000 */
|
||||
uint8_t climbrate_L; /**< Climb rate in 0.01m/s. 0m/s = 30000 */
|
||||
uint8_t climbrate_H;
|
||||
uint8_t climbrate_3s; /**< Climb rate in m/3sec. 0m/3sec = 120 */
|
||||
uint8_t rpm_L; /**< RPM Lower 8-bits In steps of 10 U/min */
|
||||
uint8_t climbrate_3s; /**< Climb rate in m/3sec. 0m/3sec = 120 */
|
||||
uint8_t rpm_L; /**< RPM Lower 8-bits In steps of 10 U/min */
|
||||
uint8_t rpm_H;
|
||||
uint8_t electric_min; /**< Flight time in minutes. */
|
||||
uint8_t electric_sec; /**< Flight time in seconds. */
|
||||
uint8_t speed_L; /**< Airspeed in km/h in steps of 1 km/h */
|
||||
uint8_t electric_min; /**< Flight time in minutes. */
|
||||
uint8_t electric_sec; /**< Flight time in seconds. */
|
||||
uint8_t speed_L; /**< Airspeed in km/h in steps of 1 km/h */
|
||||
uint8_t speed_H;
|
||||
uint8_t stop; /**< Stop byte */
|
||||
uint8_t checksum; /**< Lower 8-bits of all bytes summed. */
|
||||
uint8_t stop; /**< Stop byte */
|
||||
uint8_t checksum; /**< Lower 8-bits of all bytes summed. */
|
||||
};
|
||||
|
||||
/**
|
||||
* The maximum buffer size required to store a HoTT message.
|
||||
*/
|
||||
#define MESSAGE_BUFFER_SIZE sizeof(union { \
|
||||
struct eam_module_msg eam; \
|
||||
})
|
||||
|
||||
/* GPS sensor constants. */
|
||||
#define GPS_SENSOR_ID 0x8A
|
||||
#define GPS_SENSOR_TEXT_ID 0xA0
|
||||
|
||||
/**
|
||||
* The GPS sensor message
|
||||
* Struct based on: https://code.google.com/p/diy-hott-gps/downloads
|
||||
*/
|
||||
struct gps_module_msg {
|
||||
uint8_t start; /**< Start byte */
|
||||
uint8_t sensor_id; /**< GPS sensor ID*/
|
||||
uint8_t warning; /**< Byte 3: 0…= warning beeps */
|
||||
uint8_t sensor_text_id; /**< GPS Sensor text mode ID */
|
||||
uint8_t alarm_inverse1; /**< Byte 5: 01 inverse status */
|
||||
uint8_t alarm_inverse2; /**< Byte 6: 00 inverse status status 1 = no GPS Signal */
|
||||
uint8_t flight_direction; /**< Byte 7: 119 = Flightdir./dir. 1 = 2°; 0° (North), 9 0° (East), 180° (South), 270° (West) */
|
||||
uint8_t gps_speed_L; /**< Byte 8: 8 = /GPS speed low byte 8km/h */
|
||||
uint8_t gps_speed_H; /**< Byte 9: 0 = /GPS speed high byte */
|
||||
|
||||
uint8_t latitude_ns; /**< Byte 10: 000 = N = 48°39’988 */
|
||||
uint8_t latitude_min_L; /**< Byte 11: 231 0xE7 = 0x12E7 = 4839 */
|
||||
uint8_t latitude_min_H; /**< Byte 12: 018 18 = 0x12 */
|
||||
uint8_t latitude_sec_L; /**< Byte 13: 171 220 = 0xDC = 0x03DC =0988 */
|
||||
uint8_t latitude_sec_H; /**< Byte 14: 016 3 = 0x03 */
|
||||
|
||||
uint8_t longitude_ew; /**< Byte 15: 000 = E= 9° 25’9360 */
|
||||
uint8_t longitude_min_L; /**< Byte 16: 150 157 = 0x9D = 0x039D = 0925 */
|
||||
uint8_t longitude_min_H; /**< Byte 17: 003 3 = 0x03 */
|
||||
uint8_t longitude_sec_L; /**< Byte 18: 056 144 = 0x90 0x2490 = 9360*/
|
||||
uint8_t longitude_sec_H; /**< Byte 19: 004 36 = 0x24 */
|
||||
|
||||
uint8_t distance_L; /**< Byte 20: 027 123 = /distance low byte 6 = 6 m */
|
||||
uint8_t distance_H; /**< Byte 21: 036 35 = /distance high byte */
|
||||
uint8_t altitude_L; /**< Byte 22: 243 244 = /Altitude low byte 500 = 0m */
|
||||
uint8_t altitude_H; /**< Byte 23: 001 1 = /Altitude high byte */
|
||||
uint8_t resolution_L; /**< Byte 24: 48 = Low Byte m/s resolution 0.01m 48 = 30000 = 0.00m/s (1=0.01m/s) */
|
||||
uint8_t resolution_H; /**< Byte 25: 117 = High Byte m/s resolution 0.01m */
|
||||
uint8_t unknown1; /**< Byte 26: 120 = 0m/3s */
|
||||
uint8_t gps_num_sat; /**< Byte 27: GPS.Satellites (number of satelites) (1 byte) */
|
||||
uint8_t gps_fix_char; /**< Byte 28: GPS.FixChar. (GPS fix character. display, if DGPS, 2D oder 3D) (1 byte) */
|
||||
uint8_t home_direction; /**< Byte 29: HomeDirection (direction from starting point to Model position) (1 byte) */
|
||||
uint8_t angle_x_direction; /**< Byte 30: angle x-direction (1 byte) */
|
||||
uint8_t angle_y_direction; /**< Byte 31: angle y-direction (1 byte) */
|
||||
uint8_t angle_z_direction; /**< Byte 32: angle z-direction (1 byte) */
|
||||
uint8_t gyro_x_L; /**< Byte 33: gyro x low byte (2 bytes) */
|
||||
uint8_t gyro_x_H; /**< Byte 34: gyro x high byte */
|
||||
uint8_t gyro_y_L; /**< Byte 35: gyro y low byte (2 bytes) */
|
||||
uint8_t gyro_y_H; /**< Byte 36: gyro y high byte */
|
||||
uint8_t gyro_z_L; /**< Byte 37: gyro z low byte (2 bytes) */
|
||||
uint8_t gyro_z_H; /**< Byte 38: gyro z high byte */
|
||||
uint8_t vibration; /**< Byte 39: vibration (1 bytes) */
|
||||
uint8_t ascii4; /**< Byte 40: 00 ASCII Free Character [4] */
|
||||
uint8_t ascii5; /**< Byte 41: 00 ASCII Free Character [5] */
|
||||
uint8_t gps_fix; /**< Byte 42: 00 ASCII Free Character [6], we use it for GPS FIX */
|
||||
uint8_t version; /**< Byte 43: 00 version number */
|
||||
uint8_t stop; /**< Byte 44: 0x7D Ende byte */
|
||||
uint8_t checksum; /**< Byte 45: Parity Byte */
|
||||
};
|
||||
|
||||
/**
|
||||
* The maximum buffer size required to store a HoTT message.
|
||||
*/
|
||||
#define GPS_MESSAGE_BUFFER_SIZE sizeof(union { \
|
||||
struct gps_module_msg gps; \
|
||||
})
|
||||
|
||||
void messages_init(void);
|
||||
void build_eam_response(uint8_t *buffer, int *size);
|
||||
void build_eam_response(uint8_t *buffer, size_t *size);
|
||||
void build_gps_response(uint8_t *buffer, size_t *size);
|
||||
float _get_distance_to_next_waypoint(double lat_now, double lon_now, double lat_next, double lon_next);
|
||||
void convert_to_degrees_minutes_seconds(double lat, int *deg, int *min, int *sec);
|
||||
|
||||
|
||||
#endif /* MESSAGES_H_ */
|
||||
|
|
|
|||
|
|
@ -683,7 +683,8 @@ int KalmanNav::correctPos()
|
|||
// fault detetcion
|
||||
float beta = y.dot(S.inverse() * y);
|
||||
|
||||
if (beta > _faultPos.get()) {
|
||||
static int counter = 0;
|
||||
if (beta > _faultPos.get() && (counter % 10 == 0)) {
|
||||
printf("fault in gps: beta = %8.4f\n", (double)beta);
|
||||
printf("Y/N: vN: %8.4f, vE: %8.4f, lat: %8.4f, lon: %8.4f, alt: %8.4f\n",
|
||||
double(y(0) / sqrtf(RPos(0, 0))),
|
||||
|
|
@ -693,6 +694,7 @@ int KalmanNav::correctPos()
|
|||
double(y(4) / sqrtf(RPos(4, 4))),
|
||||
double(y(5) / sqrtf(RPos(5, 5))));
|
||||
}
|
||||
counter++;
|
||||
|
||||
return ret_ok;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -185,12 +185,11 @@ __EXPORT float get_distance_to_next_waypoint(double lat_now, double lon_now, dou
|
|||
double d_lat = lat_next_rad - lat_now_rad;
|
||||
double d_lon = lon_next_rad - lon_now_rad;
|
||||
|
||||
double a = sin(d_lat / 2.0d) * sin(d_lat / 2.0) + sin(d_lon / 2.0d) * sin(d_lon / 2.0d) * cos(lat_now_rad) * cos(lat_next_rad);
|
||||
double a = sin(d_lat / 2.0d) * sin(d_lat / 2.0d) + sin(d_lon / 2.0d) * sin(d_lon / 2.0d) * cos(lat_now_rad) * cos(lat_next_rad);
|
||||
double c = 2.0d * atan2(sqrt(a), sqrt(1.0d - a));
|
||||
|
||||
const double radius_earth = 6371000.0d;
|
||||
|
||||
return radius_earth * c;
|
||||
return radius_earth * c;
|
||||
}
|
||||
|
||||
__EXPORT float get_bearing_to_next_waypoint(double lat_now, double lon_now, double lat_next, double lon_next)
|
||||
|
|
|
|||
|
|
@ -82,8 +82,24 @@ __EXPORT void map_projection_project(double lat, double lon, float *x, float *y)
|
|||
*/
|
||||
__EXPORT void map_projection_reproject(float x, float y, double *lat, double *lon);
|
||||
|
||||
/**
|
||||
* Returns the distance to the next waypoint in meters.
|
||||
*
|
||||
* @param lat_now current position in degrees (47.1234567°, not 471234567°)
|
||||
* @param lon_now current position in degrees (8.1234567°, not 81234567°)
|
||||
* @param lat_next next waypoint position in degrees (47.1234567°, not 471234567°)
|
||||
* @param lon_next next waypoint position in degrees (8.1234567°, not 81234567°)
|
||||
*/
|
||||
__EXPORT float get_distance_to_next_waypoint(double lat_now, double lon_now, double lat_next, double lon_next);
|
||||
|
||||
/**
|
||||
* Returns the bearing to the next waypoint in radians.
|
||||
*
|
||||
* @param lat_now current position in degrees (47.1234567°, not 471234567°)
|
||||
* @param lon_now current position in degrees (8.1234567°, not 81234567°)
|
||||
* @param lat_next next waypoint position in degrees (47.1234567°, not 471234567°)
|
||||
* @param lon_next next waypoint position in degrees (8.1234567°, not 81234567°)
|
||||
*/
|
||||
__EXPORT float get_bearing_to_next_waypoint(double lat_now, double lon_now, double lat_next, double lon_next);
|
||||
|
||||
__EXPORT int get_distance_to_line(struct crosstrack_error_s * crosstrack_error, double lat_now, double lon_now, double lat_start, double lon_start, double lat_end, double lon_end);
|
||||
|
|
|
|||
Loading…
Reference in New Issue