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
Diff: MAVlink/include/pixhawk/mavlink_msg_data_transmission_handshake.h
- Revision:
- 0:a6a169de725f
diff -r 000000000000 -r a6a169de725f MAVlink/include/pixhawk/mavlink_msg_data_transmission_handshake.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAVlink/include/pixhawk/mavlink_msg_data_transmission_handshake.h Mon May 27 13:26:03 2013 +0000 @@ -0,0 +1,174 @@ +// MESSAGE DATA_TRANSMISSION_HANDSHAKE PACKING + +#define MAVLINK_MSG_ID_DATA_TRANSMISSION_HANDSHAKE 170 + +typedef struct __mavlink_data_transmission_handshake_t +{ + uint8_t type; ///< type of requested/acknowledged data (as defined in ENUM DATA_TYPES in mavlink/include/mavlink_types.h) + uint32_t size; ///< total data size in bytes (set on ACK only) + uint8_t packets; ///< number of packets beeing sent (set on ACK only) + uint8_t payload; ///< payload size per packet (normally 253 byte, see DATA field size in message ENCAPSULATED_DATA) (set on ACK only) + uint8_t jpg_quality; ///< JPEG quality out of [1,100] + +} mavlink_data_transmission_handshake_t; + + + +/** + * @brief Pack a data_transmission_handshake 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 type type of requested/acknowledged data (as defined in ENUM DATA_TYPES in mavlink/include/mavlink_types.h) + * @param size total data size in bytes (set on ACK only) + * @param packets number of packets beeing sent (set on ACK only) + * @param payload payload size per packet (normally 253 byte, see DATA field size in message ENCAPSULATED_DATA) (set on ACK only) + * @param jpg_quality JPEG quality out of [1,100] + * @return length of the message in bytes (excluding serial stream start sign) + */ +static inline uint16_t mavlink_msg_data_transmission_handshake_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint8_t type, uint32_t size, uint8_t packets, uint8_t payload, uint8_t jpg_quality) +{ + uint16_t i = 0; + msg->msgid = MAVLINK_MSG_ID_DATA_TRANSMISSION_HANDSHAKE; + + i += put_uint8_t_by_index(type, i, msg->payload); // type of requested/acknowledged data (as defined in ENUM DATA_TYPES in mavlink/include/mavlink_types.h) + i += put_uint32_t_by_index(size, i, msg->payload); // total data size in bytes (set on ACK only) + i += put_uint8_t_by_index(packets, i, msg->payload); // number of packets beeing sent (set on ACK only) + i += put_uint8_t_by_index(payload, i, msg->payload); // payload size per packet (normally 253 byte, see DATA field size in message ENCAPSULATED_DATA) (set on ACK only) + i += put_uint8_t_by_index(jpg_quality, i, msg->payload); // JPEG quality out of [1,100] + + return mavlink_finalize_message(msg, system_id, component_id, i); +} + +/** + * @brief Pack a data_transmission_handshake 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 type type of requested/acknowledged data (as defined in ENUM DATA_TYPES in mavlink/include/mavlink_types.h) + * @param size total data size in bytes (set on ACK only) + * @param packets number of packets beeing sent (set on ACK only) + * @param payload payload size per packet (normally 253 byte, see DATA field size in message ENCAPSULATED_DATA) (set on ACK only) + * @param jpg_quality JPEG quality out of [1,100] + * @return length of the message in bytes (excluding serial stream start sign) + */ +static inline uint16_t mavlink_msg_data_transmission_handshake_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint8_t type, uint32_t size, uint8_t packets, uint8_t payload, uint8_t jpg_quality) +{ + uint16_t i = 0; + msg->msgid = MAVLINK_MSG_ID_DATA_TRANSMISSION_HANDSHAKE; + + i += put_uint8_t_by_index(type, i, msg->payload); // type of requested/acknowledged data (as defined in ENUM DATA_TYPES in mavlink/include/mavlink_types.h) + i += put_uint32_t_by_index(size, i, msg->payload); // total data size in bytes (set on ACK only) + i += put_uint8_t_by_index(packets, i, msg->payload); // number of packets beeing sent (set on ACK only) + i += put_uint8_t_by_index(payload, i, msg->payload); // payload size per packet (normally 253 byte, see DATA field size in message ENCAPSULATED_DATA) (set on ACK only) + i += put_uint8_t_by_index(jpg_quality, i, msg->payload); // JPEG quality out of [1,100] + + return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i); +} + +/** + * @brief Encode a data_transmission_handshake 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 data_transmission_handshake C-struct to read the message contents from + */ +static inline uint16_t mavlink_msg_data_transmission_handshake_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_data_transmission_handshake_t* data_transmission_handshake) +{ + return mavlink_msg_data_transmission_handshake_pack(system_id, component_id, msg, data_transmission_handshake->type, data_transmission_handshake->size, data_transmission_handshake->packets, data_transmission_handshake->payload, data_transmission_handshake->jpg_quality); +} + +/** + * @brief Send a data_transmission_handshake message + * @param chan MAVLink channel to send the message + * + * @param type type of requested/acknowledged data (as defined in ENUM DATA_TYPES in mavlink/include/mavlink_types.h) + * @param size total data size in bytes (set on ACK only) + * @param packets number of packets beeing sent (set on ACK only) + * @param payload payload size per packet (normally 253 byte, see DATA field size in message ENCAPSULATED_DATA) (set on ACK only) + * @param jpg_quality JPEG quality out of [1,100] + */ +#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS + +static inline void mavlink_msg_data_transmission_handshake_send(mavlink_channel_t chan, uint8_t type, uint32_t size, uint8_t packets, uint8_t payload, uint8_t jpg_quality) +{ + mavlink_message_t msg; + mavlink_msg_data_transmission_handshake_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, type, size, packets, payload, jpg_quality); + mavlink_send_uart(chan, &msg); +} + +#endif +// MESSAGE DATA_TRANSMISSION_HANDSHAKE UNPACKING + +/** + * @brief Get field type from data_transmission_handshake message + * + * @return type of requested/acknowledged data (as defined in ENUM DATA_TYPES in mavlink/include/mavlink_types.h) + */ +static inline uint8_t mavlink_msg_data_transmission_handshake_get_type(const mavlink_message_t* msg) +{ + return (uint8_t)(msg->payload)[0]; +} + +/** + * @brief Get field size from data_transmission_handshake message + * + * @return total data size in bytes (set on ACK only) + */ +static inline uint32_t mavlink_msg_data_transmission_handshake_get_size(const mavlink_message_t* msg) +{ + generic_32bit r; + r.b[3] = (msg->payload+sizeof(uint8_t))[0]; + r.b[2] = (msg->payload+sizeof(uint8_t))[1]; + r.b[1] = (msg->payload+sizeof(uint8_t))[2]; + r.b[0] = (msg->payload+sizeof(uint8_t))[3]; + return (uint32_t)r.i; +} + +/** + * @brief Get field packets from data_transmission_handshake message + * + * @return number of packets beeing sent (set on ACK only) + */ +static inline uint8_t mavlink_msg_data_transmission_handshake_get_packets(const mavlink_message_t* msg) +{ + return (uint8_t)(msg->payload+sizeof(uint8_t)+sizeof(uint32_t))[0]; +} + +/** + * @brief Get field payload from data_transmission_handshake message + * + * @return payload size per packet (normally 253 byte, see DATA field size in message ENCAPSULATED_DATA) (set on ACK only) + */ +static inline uint8_t mavlink_msg_data_transmission_handshake_get_payload(const mavlink_message_t* msg) +{ + return (uint8_t)(msg->payload+sizeof(uint8_t)+sizeof(uint32_t)+sizeof(uint8_t))[0]; +} + +/** + * @brief Get field jpg_quality from data_transmission_handshake message + * + * @return JPEG quality out of [1,100] + */ +static inline uint8_t mavlink_msg_data_transmission_handshake_get_jpg_quality(const mavlink_message_t* msg) +{ + return (uint8_t)(msg->payload+sizeof(uint8_t)+sizeof(uint32_t)+sizeof(uint8_t)+sizeof(uint8_t))[0]; +} + +/** + * @brief Decode a data_transmission_handshake message into a struct + * + * @param msg The message to decode + * @param data_transmission_handshake C-struct to decode the message contents into + */ +static inline void mavlink_msg_data_transmission_handshake_decode(const mavlink_message_t* msg, mavlink_data_transmission_handshake_t* data_transmission_handshake) +{ + data_transmission_handshake->type = mavlink_msg_data_transmission_handshake_get_type(msg); + data_transmission_handshake->size = mavlink_msg_data_transmission_handshake_get_size(msg); + data_transmission_handshake->packets = mavlink_msg_data_transmission_handshake_get_packets(msg); + data_transmission_handshake->payload = mavlink_msg_data_transmission_handshake_get_payload(msg); + data_transmission_handshake->jpg_quality = mavlink_msg_data_transmission_handshake_get_jpg_quality(msg); +}