Ardupilot2/libraries/GCS_MAVLink/include/common/mavlink_msg_command_ack.h
tridge60@gmail.com 3ae2186021 imported new MAVLink implementation
this new implementation reduces code size, and also reduces stack
usage, while avoiding the gcc union stack bug

Note that we will gain even more when we move to the new protocol
version, especially in terms of code size

git-svn-id: https://arducopter.googlecode.com/svn/trunk@3200 f9c3cf11-9bcb-44bc-f272-b75c42450872
2011-08-31 05:23:18 +00:00

167 lines
5.5 KiB
C

// MESSAGE COMMAND_ACK PACKING
#define MAVLINK_MSG_ID_COMMAND_ACK 76
typedef struct __mavlink_command_ack_t
{
float command; ///< Current airspeed in m/s
float result; ///< 1: Action ACCEPTED and EXECUTED, 1: Action TEMPORARY REJECTED/DENIED, 2: Action PERMANENTLY DENIED, 3: Action UNKNOWN/UNSUPPORTED, 4: Requesting CONFIRMATION
} mavlink_command_ack_t;
#define MAVLINK_MSG_ID_COMMAND_ACK_LEN 8
#define MAVLINK_MSG_ID_76_LEN 8
#define MAVLINK_MESSAGE_INFO_COMMAND_ACK { \
"COMMAND_ACK", \
2, \
{ { "command", MAVLINK_TYPE_FLOAT, 0, 0, offsetof(mavlink_command_ack_t, command) }, \
{ "result", MAVLINK_TYPE_FLOAT, 0, 4, offsetof(mavlink_command_ack_t, result) }, \
} \
}
/**
* @brief Pack a command_ack message
* @param system_id ID of this system
* @param component_id ID of this component (e.g. 200 for IMU)
* @param msg The MAVLink message to compress the data into
*
* @param command Current airspeed in m/s
* @param result 1: Action ACCEPTED and EXECUTED, 1: Action TEMPORARY REJECTED/DENIED, 2: Action PERMANENTLY DENIED, 3: Action UNKNOWN/UNSUPPORTED, 4: Requesting CONFIRMATION
* @return length of the message in bytes (excluding serial stream start sign)
*/
static inline uint16_t mavlink_msg_command_ack_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg,
float command, float result)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
char buf[8];
_mav_put_float(buf, 0, command);
_mav_put_float(buf, 4, result);
memcpy(_MAV_PAYLOAD(msg), buf, 8);
#else
mavlink_command_ack_t packet;
packet.command = command;
packet.result = result;
memcpy(_MAV_PAYLOAD(msg), &packet, 8);
#endif
msg->msgid = MAVLINK_MSG_ID_COMMAND_ACK;
return mavlink_finalize_message(msg, system_id, component_id, 8);
}
/**
* @brief Pack a command_ack message on a channel
* @param system_id ID of this system
* @param component_id ID of this component (e.g. 200 for IMU)
* @param chan The MAVLink channel this message was sent over
* @param msg The MAVLink message to compress the data into
* @param command Current airspeed in m/s
* @param result 1: Action ACCEPTED and EXECUTED, 1: Action TEMPORARY REJECTED/DENIED, 2: Action PERMANENTLY DENIED, 3: Action UNKNOWN/UNSUPPORTED, 4: Requesting CONFIRMATION
* @return length of the message in bytes (excluding serial stream start sign)
*/
static inline uint16_t mavlink_msg_command_ack_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan,
mavlink_message_t* msg,
float command,float result)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
char buf[8];
_mav_put_float(buf, 0, command);
_mav_put_float(buf, 4, result);
memcpy(_MAV_PAYLOAD(msg), buf, 8);
#else
mavlink_command_ack_t packet;
packet.command = command;
packet.result = result;
memcpy(_MAV_PAYLOAD(msg), &packet, 8);
#endif
msg->msgid = MAVLINK_MSG_ID_COMMAND_ACK;
return mavlink_finalize_message_chan(msg, system_id, component_id, chan, 8);
}
/**
* @brief Encode a command_ack struct into a message
*
* @param system_id ID of this system
* @param component_id ID of this component (e.g. 200 for IMU)
* @param msg The MAVLink message to compress the data into
* @param command_ack C-struct to read the message contents from
*/
static inline uint16_t mavlink_msg_command_ack_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_command_ack_t* command_ack)
{
return mavlink_msg_command_ack_pack(system_id, component_id, msg, command_ack->command, command_ack->result);
}
/**
* @brief Send a command_ack message
* @param chan MAVLink channel to send the message
*
* @param command Current airspeed in m/s
* @param result 1: Action ACCEPTED and EXECUTED, 1: Action TEMPORARY REJECTED/DENIED, 2: Action PERMANENTLY DENIED, 3: Action UNKNOWN/UNSUPPORTED, 4: Requesting CONFIRMATION
*/
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
static inline void mavlink_msg_command_ack_send(mavlink_channel_t chan, float command, float result)
{
#if MAVLINK_NEED_BYTE_SWAP || !MAVLINK_ALIGNED_FIELDS
char buf[8];
_mav_put_float(buf, 0, command);
_mav_put_float(buf, 4, result);
_mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_COMMAND_ACK, buf, 8);
#else
mavlink_command_ack_t packet;
packet.command = command;
packet.result = result;
_mav_finalize_message_chan_send(chan, MAVLINK_MSG_ID_COMMAND_ACK, (const char *)&packet, 8);
#endif
}
#endif
// MESSAGE COMMAND_ACK UNPACKING
/**
* @brief Get field command from command_ack message
*
* @return Current airspeed in m/s
*/
static inline float mavlink_msg_command_ack_get_command(const mavlink_message_t* msg)
{
return _MAV_RETURN_float(msg, 0);
}
/**
* @brief Get field result from command_ack message
*
* @return 1: Action ACCEPTED and EXECUTED, 1: Action TEMPORARY REJECTED/DENIED, 2: Action PERMANENTLY DENIED, 3: Action UNKNOWN/UNSUPPORTED, 4: Requesting CONFIRMATION
*/
static inline float mavlink_msg_command_ack_get_result(const mavlink_message_t* msg)
{
return _MAV_RETURN_float(msg, 4);
}
/**
* @brief Decode a command_ack message into a struct
*
* @param msg The message to decode
* @param command_ack C-struct to decode the message contents into
*/
static inline void mavlink_msg_command_ack_decode(const mavlink_message_t* msg, mavlink_command_ack_t* command_ack)
{
#if MAVLINK_NEED_BYTE_SWAP
command_ack->command = mavlink_msg_command_ack_get_command(msg);
command_ack->result = mavlink_msg_command_ack_get_result(msg);
#else
memcpy(command_ack, _MAV_PAYLOAD(msg), 8);
#endif
}