diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/modules/mavlink/mavlink_receiver.cpp | 2 | ||||
-rw-r--r-- | src/modules/mavlink/orb_listener.c | 2 | ||||
-rw-r--r-- | src/modules/mavlink_onboard/mavlink.c | 20 | ||||
-rw-r--r-- | src/modules/mavlink_onboard/mavlink_receiver.c | 27 |
4 files changed, 28 insertions, 23 deletions
diff --git a/src/modules/mavlink/mavlink_receiver.cpp b/src/modules/mavlink/mavlink_receiver.cpp index 7dd9e321f..b315f3efe 100644 --- a/src/modules/mavlink/mavlink_receiver.cpp +++ b/src/modules/mavlink/mavlink_receiver.cpp @@ -733,7 +733,7 @@ receive_thread(void *arg) mavlink_message_t msg; - prctl(PR_SET_NAME, "mavlink uart rcv", getpid()); + prctl(PR_SET_NAME, "mavlink_uart_rcv", getpid()); while (!thread_should_exit) { diff --git a/src/modules/mavlink/orb_listener.c b/src/modules/mavlink/orb_listener.c index cec2fdc43..83c930a69 100644 --- a/src/modules/mavlink/orb_listener.c +++ b/src/modules/mavlink/orb_listener.c @@ -695,7 +695,7 @@ static void * uorb_receive_thread(void *arg) { /* Set thread name */ - prctl(PR_SET_NAME, "mavlink orb rcv", getpid()); + prctl(PR_SET_NAME, "mavlink_orb_rcv", getpid()); /* * set up poll to block for new data, diff --git a/src/modules/mavlink_onboard/mavlink.c b/src/modules/mavlink_onboard/mavlink.c index e71344982..0edb53a3e 100644 --- a/src/modules/mavlink_onboard/mavlink.c +++ b/src/modules/mavlink_onboard/mavlink.c @@ -167,12 +167,12 @@ int mavlink_open_uart(int baud, const char *uart_name, struct termios *uart_conf case 921600: speed = B921600; break; default: - fprintf(stderr, "[mavlink] ERROR: Unsupported baudrate: %d\n\tsupported examples:\n\n\t9600\n19200\n38400\n57600\n115200\n230400\n460800\n921600\n\n", baud); + warnx("ERROR: Unsupported baudrate: %d\n\tsupported examples:\n\n\t9600\n19200\n38400\n57600\n115200\n230400\n460800\n921600", baud); return -EINVAL; } /* open uart */ - printf("[mavlink] UART is %s, baudrate is %d\n", uart_name, baud); + warnx("UART is %s, baudrate is %d", uart_name, baud); uart = open(uart_name, O_RDWR | O_NOCTTY); /* Try to set baud rate */ @@ -183,7 +183,7 @@ int mavlink_open_uart(int baud, const char *uart_name, struct termios *uart_conf if (strcmp(uart_name, "/dev/ttyACM0") != OK) { /* Back up the original uart configuration to restore it after exit */ if ((termios_state = tcgetattr(uart, uart_config_original)) < 0) { - fprintf(stderr, "[mavlink] ERROR getting baudrate / termios config for %s: %d\n", uart_name, termios_state); + warnx("ERROR getting baudrate / termios config for %s: %d", uart_name, termios_state); close(uart); return -1; } @@ -196,14 +196,14 @@ int mavlink_open_uart(int baud, const char *uart_name, struct termios *uart_conf /* Set baud rate */ if (cfsetispeed(&uart_config, speed) < 0 || cfsetospeed(&uart_config, speed) < 0) { - fprintf(stderr, "[mavlink] ERROR setting baudrate / termios config for %s: %d (cfsetispeed, cfsetospeed)\n", uart_name, termios_state); + warnx("ERROR setting baudrate / termios config for %s: %d (cfsetispeed, cfsetospeed)", uart_name, termios_state); close(uart); return -1; } if ((termios_state = tcsetattr(uart, TCSANOW, &uart_config)) < 0) { - fprintf(stderr, "[mavlink] ERROR setting baudrate / termios config for %s (tcsetattr)\n", uart_name); + warnx("ERROR setting baudrate / termios config for %s (tcsetattr)", uart_name); close(uart); return -1; } @@ -481,9 +481,9 @@ int mavlink_thread_main(int argc, char *argv[]) static void usage() { - fprintf(stderr, "usage: mavlink start [-d <devicename>] [-b <baud rate>]\n" - " mavlink stop\n" - " mavlink status\n"); + fprintf(stderr, "usage: mavlink_onboard start [-d <devicename>] [-b <baud rate>]\n" + " mavlink_onboard stop\n" + " mavlink_onboard status\n"); exit(1); } @@ -499,7 +499,7 @@ int mavlink_onboard_main(int argc, char *argv[]) /* this is not an error */ if (thread_running) - errx(0, "mavlink already running\n"); + errx(0, "already running"); thread_should_exit = false; mavlink_task = task_spawn_cmd("mavlink_onboard", @@ -516,7 +516,7 @@ int mavlink_onboard_main(int argc, char *argv[]) while (thread_running) { usleep(200000); } - warnx("terminated."); + warnx("terminated"); exit(0); } diff --git a/src/modules/mavlink_onboard/mavlink_receiver.c b/src/modules/mavlink_onboard/mavlink_receiver.c index 0236e6126..4f62b5fcc 100644 --- a/src/modules/mavlink_onboard/mavlink_receiver.c +++ b/src/modules/mavlink_onboard/mavlink_receiver.c @@ -104,7 +104,7 @@ handle_message(mavlink_message_t *msg) //check for MAVLINK terminate command if (cmd_mavlink.command == MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN && ((int)cmd_mavlink.param1) == 3) { /* This is the link shutdown command, terminate mavlink */ - printf("[mavlink] Terminating .. \n"); + warnx("terminating..."); fflush(stdout); usleep(50000); @@ -284,28 +284,33 @@ receive_thread(void *arg) int uart_fd = *((int*)arg); const int timeout = 1000; - uint8_t ch; + uint8_t buf[32]; mavlink_message_t msg; - prctl(PR_SET_NAME, "mavlink offb rcv", getpid()); + prctl(PR_SET_NAME, "mavlink_onboard_rcv", getpid()); - while (!thread_should_exit) { + struct pollfd fds[] = { { .fd = uart_fd, .events = POLLIN } }; - struct pollfd fds[] = { { .fd = uart_fd, .events = POLLIN } }; + ssize_t nread = 0; + while (!thread_should_exit) { if (poll(fds, 1, timeout) > 0) { - /* non-blocking read until buffer is empty */ - int nread = 0; + if (nread < sizeof(buf)) { + /* to avoid reading very small chunks wait for data before reading */ + usleep(1000); + } - do { - nread = read(uart_fd, &ch, 1); + /* non-blocking read. read may return negative values */ + ssize_t nread = read(uart_fd, buf, sizeof(buf)); - if (mavlink_parse_char(chan, ch, &msg, &status)) { //parse the char + /* if read failed, this loop won't execute */ + for (ssize_t i = 0; i < nread; i++) { + if (mavlink_parse_char(chan, buf[i], &msg, &status)) { /* handle generic messages and commands */ handle_message(&msg); } - } while (nread > 0); + } } } |