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/common/mavlink_msg_named_value_float.h

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

File content as of revision 25:bb5356402687:

// MESSAGE NAMED_VALUE_FLOAT PACKING

#define MAVLINK_MSG_ID_NAMED_VALUE_FLOAT 252

typedef struct __mavlink_named_value_float_t 
{
    char name[10]; ///< Name of the debug variable
    float value; ///< Floating point value

} mavlink_named_value_float_t;

#define MAVLINK_MSG_NAMED_VALUE_FLOAT_FIELD_NAME_LEN 10


/**
 * @brief Pack a named_value_float 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 name Name of the debug variable
 * @param value Floating point value
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_named_value_float_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const char* name, float value)
{
    uint16_t i = 0;
    msg->msgid = MAVLINK_MSG_ID_NAMED_VALUE_FLOAT;

    i += put_array_by_index((const int8_t*)name, sizeof(char)*10, i, msg->payload); // Name of the debug variable
    i += put_float_by_index(value, i, msg->payload); // Floating point value

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

/**
 * @brief Pack a named_value_float 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 name Name of the debug variable
 * @param value Floating point value
 * @return length of the message in bytes (excluding serial stream start sign)
 */
static inline uint16_t mavlink_msg_named_value_float_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, const char* name, float value)
{
    uint16_t i = 0;
    msg->msgid = MAVLINK_MSG_ID_NAMED_VALUE_FLOAT;

    i += put_array_by_index((const int8_t*)name, sizeof(char)*10, i, msg->payload); // Name of the debug variable
    i += put_float_by_index(value, i, msg->payload); // Floating point value

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

/**
 * @brief Encode a named_value_float 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 named_value_float C-struct to read the message contents from
 */
static inline uint16_t mavlink_msg_named_value_float_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_named_value_float_t* named_value_float)
{
    return mavlink_msg_named_value_float_pack(system_id, component_id, msg, named_value_float->name, named_value_float->value);
}

/**
 * @brief Send a named_value_float message
 * @param chan MAVLink channel to send the message
 *
 * @param name Name of the debug variable
 * @param value Floating point value
 */
#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS

static inline void mavlink_msg_named_value_float_send(mavlink_channel_t chan, const char* name, float value)
{
    mavlink_message_t msg;
    mavlink_msg_named_value_float_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, name, value);
    mavlink_send_uart(chan, &msg);
}

#endif
// MESSAGE NAMED_VALUE_FLOAT UNPACKING

/**
 * @brief Get field name from named_value_float message
 *
 * @return Name of the debug variable
 */
static inline uint16_t mavlink_msg_named_value_float_get_name(const mavlink_message_t* msg, char* r_data)
{

    memcpy(r_data, msg->payload, sizeof(char)*10);
    return sizeof(char)*10;
}

/**
 * @brief Get field value from named_value_float message
 *
 * @return Floating point value
 */
static inline float mavlink_msg_named_value_float_get_value(const mavlink_message_t* msg)
{
    generic_32bit r;
    r.b[3] = (msg->payload+sizeof(char)*10)[0];
    r.b[2] = (msg->payload+sizeof(char)*10)[1];
    r.b[1] = (msg->payload+sizeof(char)*10)[2];
    r.b[0] = (msg->payload+sizeof(char)*10)[3];
    return (float)r.f;
}

/**
 * @brief Decode a named_value_float message into a struct
 *
 * @param msg The message to decode
 * @param named_value_float C-struct to decode the message contents into
 */
static inline void mavlink_msg_named_value_float_decode(const mavlink_message_t* msg, mavlink_named_value_float_t* named_value_float)
{
    mavlink_msg_named_value_float_get_name(msg, named_value_float->name);
    named_value_float->value = mavlink_msg_named_value_float_get_value(msg);
}