diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp index bb1ad86ef6..28cdf65a3c 100644 --- a/src/modules/mavlink/mavlink_main.cpp +++ b/src/modules/mavlink/mavlink_main.cpp @@ -190,8 +190,9 @@ mavlink_send_uart_bytes(mavlink_channel_t channel, const uint8_t *ch, int length /* check if there is space in the buffer, let it overflow else */ if (!ioctl(uart, FIONWRITE, (unsigned long)&buf_free)) { - if (desired > buf_free) { - desired = buf_free; + if (buf_free < desired) { + /* we don't want to send anything just in half, so return */ + return; } } @@ -222,6 +223,8 @@ Mavlink::Mavlink() : _subscriptions(nullptr), _streams(nullptr), _mission_pub(-1), + _mode(MAVLINK_MODE_NORMAL), + _total_counter(0), _verbose(false), _forwarding_on(false), _passing_on(false),