Code for autonomous rover for Sparkfun AVC. DataBus won 3rd in 2012 and the same code was used on Troubled Child, a 1986 Jeep Grand Wagoneer to win 1st in 2014.

Dependencies:   mbed Watchdog SDFileSystem DigoleSerialDisp

MAVlink/include/pixhawk/mavlink_msg_watchdog_heartbeat.h

Committer:
shimniok
Date:
2018-11-30
Revision:
25:bb5356402687
Parent:
0:a6a169de725f

File content as of revision 25:bb5356402687:

// MESSAGE WATCHDOG_HEARTBEAT PACKING

#define MAVLINK_MSG_ID_WATCHDOG_HEARTBEAT 150

typedef struct __mavlink_watchdog_heartbeat_t 
{
    uint16_t watchdog_id; ///< Watchdog ID
    uint16_t process_count; ///< Number of processes

} mavlink_watchdog_heartbeat_t;



/**
 * @brief Pack a watchdog_heartbeat 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 watchdog_id Watchdog ID
 * @param process_count Number of processes
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_watchdog_heartbeat_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint16_t watchdog_id, uint16_t process_count)
{
    uint16_t i = 0;
    msg->msgid = MAVLINK_MSG_ID_WATCHDOG_HEARTBEAT;

    i += put_uint16_t_by_index(watchdog_id, i, msg->payload); // Watchdog ID
    i += put_uint16_t_by_index(process_count, i, msg->payload); // Number of processes

    return mavlink_finalize_message(msg, system_id, component_id, i);
}

/**
 * @brief Pack a watchdog_heartbeat message
 * @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 watchdog_id Watchdog ID
 * @param process_count Number of processes
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_watchdog_heartbeat_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint16_t watchdog_id, uint16_t process_count)
{
    uint16_t i = 0;
    msg->msgid = MAVLINK_MSG_ID_WATCHDOG_HEARTBEAT;

    i += put_uint16_t_by_index(watchdog_id, i, msg->payload); // Watchdog ID
    i += put_uint16_t_by_index(process_count, i, msg->payload); // Number of processes

    return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
}

/**
 * @brief Encode a watchdog_heartbeat 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 watchdog_heartbeat C-struct to read the message contents from
 */
static inline uint16_t mavlink_msg_watchdog_heartbeat_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_watchdog_heartbeat_t* watchdog_heartbeat)
{
    return mavlink_msg_watchdog_heartbeat_pack(system_id, component_id, msg, watchdog_heartbeat->watchdog_id, watchdog_heartbeat->process_count);
}

/**
 * @brief Send a watchdog_heartbeat message
 * @param chan MAVLink channel to send the message
 *
 * @param watchdog_id Watchdog ID
 * @param process_count Number of processes
 */
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS

static inline void mavlink_msg_watchdog_heartbeat_send(mavlink_channel_t chan, uint16_t watchdog_id, uint16_t process_count)
{
    mavlink_message_t msg;
    mavlink_msg_watchdog_heartbeat_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, watchdog_id, process_count);
    mavlink_send_uart(chan, &msg);
}

#endif
// MESSAGE WATCHDOG_HEARTBEAT UNPACKING

/**
 * @brief Get field watchdog_id from watchdog_heartbeat message
 *
 * @return Watchdog ID
 */
static inline uint16_t mavlink_msg_watchdog_heartbeat_get_watchdog_id(const mavlink_message_t* msg)
{
    generic_16bit r;
    r.b[1] = (msg->payload)[0];
    r.b[0] = (msg->payload)[1];
    return (uint16_t)r.s;
}

/**
 * @brief Get field process_count from watchdog_heartbeat message
 *
 * @return Number of processes
 */
static inline uint16_t mavlink_msg_watchdog_heartbeat_get_process_count(const mavlink_message_t* msg)
{
    generic_16bit r;
    r.b[1] = (msg->payload+sizeof(uint16_t))[0];
    r.b[0] = (msg->payload+sizeof(uint16_t))[1];
    return (uint16_t)r.s;
}

/**
 * @brief Decode a watchdog_heartbeat message into a struct
 *
 * @param msg The message to decode
 * @param watchdog_heartbeat C-struct to decode the message contents into
 */
static inline void mavlink_msg_watchdog_heartbeat_decode(const mavlink_message_t* msg, mavlink_watchdog_heartbeat_t* watchdog_heartbeat)
{
    watchdog_heartbeat->watchdog_id = mavlink_msg_watchdog_heartbeat_get_watchdog_id(msg);
    watchdog_heartbeat->process_count = mavlink_msg_watchdog_heartbeat_get_process_count(msg);
}