diff options
Diffstat (limited to 'mavlink/include/mavlink/v1.0/common/mavlink_msg_vfr_hud.h')
| -rw-r--r-- | mavlink/include/mavlink/v1.0/common/mavlink_msg_vfr_hud.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mavlink/include/mavlink/v1.0/common/mavlink_msg_vfr_hud.h b/mavlink/include/mavlink/v1.0/common/mavlink_msg_vfr_hud.h index 5b1093a3d..b130ee50b 100644 --- a/mavlink/include/mavlink/v1.0/common/mavlink_msg_vfr_hud.h +++ b/mavlink/include/mavlink/v1.0/common/mavlink_msg_vfr_hud.h @@ -201,6 +201,48 @@ static inline void mavlink_msg_vfr_hud_send(mavlink_channel_t chan, float airspe #endif } +#if MAVLINK_MSG_ID_VFR_HUD_LEN <= MAVLINK_MAX_PAYLOAD_LEN +/* + This varient of _send() can be used to save stack space by re-using + memory from the receive buffer. The caller provides a + mavlink_message_t which is the size of a full mavlink message. This + is usually the receive buffer for the channel, and allows a reply to an + incoming message with minimum stack space usage. + */ +static inline void mavlink_msg_vfr_hud_send_buf(mavlink_message_t *msgbuf, mavlink_channel_t chan, float airspeed, float groundspeed, int16_t heading, uint16_t throttle, float alt, float climb) +{ +#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS + char *buf = (char *)msgbuf; + _mav_put_float(buf, 0, airspeed); + _mav_put_float(buf, 4, groundspeed); + _mav_put_float(buf, 8, alt); + _mav_put_float(buf, 12, climb); + _mav_put_int16_t(buf, 16, heading); + _mav_put_uint16_t(buf, 18, throttle); + +#if MAVLINK_CRC_EXTRA + _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_VFR_HUD, buf, MAVLINK_MSG_ID_VFR_HUD_LEN, MAVLINK_MSG_ID_VFR_HUD_CRC); +#else + _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_VFR_HUD, buf, MAVLINK_MSG_ID_VFR_HUD_LEN); +#endif +#else + mavlink_vfr_hud_t *packet = (mavlink_vfr_hud_t *)msgbuf; + packet->airspeed = airspeed; + packet->groundspeed = groundspeed; + packet->alt = alt; + packet->climb = climb; + packet->heading = heading; + packet->throttle = throttle; + +#if MAVLINK_CRC_EXTRA + _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_VFR_HUD, (const char *)packet, MAVLINK_MSG_ID_VFR_HUD_LEN, MAVLINK_MSG_ID_VFR_HUD_CRC); +#else + _mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_VFR_HUD, (const char *)packet, MAVLINK_MSG_ID_VFR_HUD_LEN); +#endif +#endif +} +#endif + #endif // MESSAGE VFR_HUD UNPACKING |