diff options
Diffstat (limited to 'src/modules/mavlink/mavlink_main_posix.cpp')
| -rw-r--r-- | src/modules/mavlink/mavlink_main_posix.cpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/modules/mavlink/mavlink_main_posix.cpp b/src/modules/mavlink/mavlink_main_posix.cpp index 784118916..b4dbd58d4 100644 --- a/src/modules/mavlink/mavlink_main_posix.cpp +++ b/src/modules/mavlink/mavlink_main_posix.cpp @@ -590,8 +590,16 @@ int Mavlink::mavlink_open_uart(int baud, const char *uart_name, struct termios * case 230400: speed = B230400; break; + #ifndef B460800 + #define B460800 460800 + #endif + case 460800: speed = B460800; break; + #ifndef B921600 + #define B921600 921600 + #endif + case 921600: speed = B921600; break; default: @@ -729,9 +737,12 @@ Mavlink::get_free_tx_buf() */ int buf_free = 0; -// No FIONWRITE on Linux -#ifndef __PX4_LINUX - (void) ioctl(_uart_fd, FIONWRITE, (unsigned long)&buf_free); +// No FIONWRITE on POSIX +#ifdef __PX4_POSIX + // fake a big buffer on larger systems + buf_free = 1000; +#else + (void) ioctl(_uart_fd, FIONWRITESIOCOUTQ, (unsigned long)&buf_free); #endif if (get_flow_control_enabled() && buf_free < FLOW_CONTROL_DISABLE_THRESHOLD) { |