Code for autonomous ground vehicle, Data Bus, 3rd place winner in 2012 Sparkfun AVC.
Dependencies: Watchdog mbed Schedule SimpleFilter LSM303DLM PinDetect DebounceIn Servo
MAVlink/include/pixhawk/mavlink_msg_encapsulated_data.h@0:826c6171fc1b, 2012-06-20 (annotated)
- Committer:
- shimniok
- Date:
- Wed Jun 20 14:57:48 2012 +0000
- Revision:
- 0:826c6171fc1b
Updated documentation
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
shimniok | 0:826c6171fc1b | 1 | // MESSAGE ENCAPSULATED_DATA PACKING |
shimniok | 0:826c6171fc1b | 2 | |
shimniok | 0:826c6171fc1b | 3 | #define MAVLINK_MSG_ID_ENCAPSULATED_DATA 171 |
shimniok | 0:826c6171fc1b | 4 | |
shimniok | 0:826c6171fc1b | 5 | typedef struct __mavlink_encapsulated_data_t |
shimniok | 0:826c6171fc1b | 6 | { |
shimniok | 0:826c6171fc1b | 7 | uint16_t seqnr; ///< sequence number (starting with 0 on every transmission) |
shimniok | 0:826c6171fc1b | 8 | uint8_t data[253]; ///< image data bytes |
shimniok | 0:826c6171fc1b | 9 | |
shimniok | 0:826c6171fc1b | 10 | } mavlink_encapsulated_data_t; |
shimniok | 0:826c6171fc1b | 11 | |
shimniok | 0:826c6171fc1b | 12 | #define MAVLINK_MSG_ENCAPSULATED_DATA_FIELD_DATA_LEN 253 |
shimniok | 0:826c6171fc1b | 13 | |
shimniok | 0:826c6171fc1b | 14 | |
shimniok | 0:826c6171fc1b | 15 | /** |
shimniok | 0:826c6171fc1b | 16 | * @brief Pack a encapsulated_data message |
shimniok | 0:826c6171fc1b | 17 | * @param system_id ID of this system |
shimniok | 0:826c6171fc1b | 18 | * @param component_id ID of this component (e.g. 200 for IMU) |
shimniok | 0:826c6171fc1b | 19 | * @param msg The MAVLink message to compress the data into |
shimniok | 0:826c6171fc1b | 20 | * |
shimniok | 0:826c6171fc1b | 21 | * @param seqnr sequence number (starting with 0 on every transmission) |
shimniok | 0:826c6171fc1b | 22 | * @param data image data bytes |
shimniok | 0:826c6171fc1b | 23 | * @return length of the message in bytes (excluding serial stream start sign) |
shimniok | 0:826c6171fc1b | 24 | */ |
shimniok | 0:826c6171fc1b | 25 | static inline uint16_t mavlink_msg_encapsulated_data_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint16_t seqnr, const uint8_t* data) |
shimniok | 0:826c6171fc1b | 26 | { |
shimniok | 0:826c6171fc1b | 27 | uint16_t i = 0; |
shimniok | 0:826c6171fc1b | 28 | msg->msgid = MAVLINK_MSG_ID_ENCAPSULATED_DATA; |
shimniok | 0:826c6171fc1b | 29 | |
shimniok | 0:826c6171fc1b | 30 | i += put_uint16_t_by_index(seqnr, i, msg->payload); // sequence number (starting with 0 on every transmission) |
shimniok | 0:826c6171fc1b | 31 | i += put_array_by_index((const int8_t*)data, sizeof(uint8_t)*253, i, msg->payload); // image data bytes |
shimniok | 0:826c6171fc1b | 32 | |
shimniok | 0:826c6171fc1b | 33 | return mavlink_finalize_message(msg, system_id, component_id, i); |
shimniok | 0:826c6171fc1b | 34 | } |
shimniok | 0:826c6171fc1b | 35 | |
shimniok | 0:826c6171fc1b | 36 | /** |
shimniok | 0:826c6171fc1b | 37 | * @brief Pack a encapsulated_data message |
shimniok | 0:826c6171fc1b | 38 | * @param system_id ID of this system |
shimniok | 0:826c6171fc1b | 39 | * @param component_id ID of this component (e.g. 200 for IMU) |
shimniok | 0:826c6171fc1b | 40 | * @param chan The MAVLink channel this message was sent over |
shimniok | 0:826c6171fc1b | 41 | * @param msg The MAVLink message to compress the data into |
shimniok | 0:826c6171fc1b | 42 | * @param seqnr sequence number (starting with 0 on every transmission) |
shimniok | 0:826c6171fc1b | 43 | * @param data image data bytes |
shimniok | 0:826c6171fc1b | 44 | * @return length of the message in bytes (excluding serial stream start sign) |
shimniok | 0:826c6171fc1b | 45 | */ |
shimniok | 0:826c6171fc1b | 46 | static inline uint16_t mavlink_msg_encapsulated_data_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint16_t seqnr, const uint8_t* data) |
shimniok | 0:826c6171fc1b | 47 | { |
shimniok | 0:826c6171fc1b | 48 | uint16_t i = 0; |
shimniok | 0:826c6171fc1b | 49 | msg->msgid = MAVLINK_MSG_ID_ENCAPSULATED_DATA; |
shimniok | 0:826c6171fc1b | 50 | |
shimniok | 0:826c6171fc1b | 51 | i += put_uint16_t_by_index(seqnr, i, msg->payload); // sequence number (starting with 0 on every transmission) |
shimniok | 0:826c6171fc1b | 52 | i += put_array_by_index((const int8_t*)data, sizeof(uint8_t)*253, i, msg->payload); // image data bytes |
shimniok | 0:826c6171fc1b | 53 | |
shimniok | 0:826c6171fc1b | 54 | return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i); |
shimniok | 0:826c6171fc1b | 55 | } |
shimniok | 0:826c6171fc1b | 56 | |
shimniok | 0:826c6171fc1b | 57 | /** |
shimniok | 0:826c6171fc1b | 58 | * @brief Encode a encapsulated_data struct into a message |
shimniok | 0:826c6171fc1b | 59 | * |
shimniok | 0:826c6171fc1b | 60 | * @param system_id ID of this system |
shimniok | 0:826c6171fc1b | 61 | * @param component_id ID of this component (e.g. 200 for IMU) |
shimniok | 0:826c6171fc1b | 62 | * @param msg The MAVLink message to compress the data into |
shimniok | 0:826c6171fc1b | 63 | * @param encapsulated_data C-struct to read the message contents from |
shimniok | 0:826c6171fc1b | 64 | */ |
shimniok | 0:826c6171fc1b | 65 | static inline uint16_t mavlink_msg_encapsulated_data_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_encapsulated_data_t* encapsulated_data) |
shimniok | 0:826c6171fc1b | 66 | { |
shimniok | 0:826c6171fc1b | 67 | return mavlink_msg_encapsulated_data_pack(system_id, component_id, msg, encapsulated_data->seqnr, encapsulated_data->data); |
shimniok | 0:826c6171fc1b | 68 | } |
shimniok | 0:826c6171fc1b | 69 | |
shimniok | 0:826c6171fc1b | 70 | /** |
shimniok | 0:826c6171fc1b | 71 | * @brief Send a encapsulated_data message |
shimniok | 0:826c6171fc1b | 72 | * @param chan MAVLink channel to send the message |
shimniok | 0:826c6171fc1b | 73 | * |
shimniok | 0:826c6171fc1b | 74 | * @param seqnr sequence number (starting with 0 on every transmission) |
shimniok | 0:826c6171fc1b | 75 | * @param data image data bytes |
shimniok | 0:826c6171fc1b | 76 | */ |
shimniok | 0:826c6171fc1b | 77 | #ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS |
shimniok | 0:826c6171fc1b | 78 | |
shimniok | 0:826c6171fc1b | 79 | static inline void mavlink_msg_encapsulated_data_send(mavlink_channel_t chan, uint16_t seqnr, const uint8_t* data) |
shimniok | 0:826c6171fc1b | 80 | { |
shimniok | 0:826c6171fc1b | 81 | mavlink_message_t msg; |
shimniok | 0:826c6171fc1b | 82 | mavlink_msg_encapsulated_data_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, seqnr, data); |
shimniok | 0:826c6171fc1b | 83 | mavlink_send_uart(chan, &msg); |
shimniok | 0:826c6171fc1b | 84 | } |
shimniok | 0:826c6171fc1b | 85 | |
shimniok | 0:826c6171fc1b | 86 | #endif |
shimniok | 0:826c6171fc1b | 87 | // MESSAGE ENCAPSULATED_DATA UNPACKING |
shimniok | 0:826c6171fc1b | 88 | |
shimniok | 0:826c6171fc1b | 89 | /** |
shimniok | 0:826c6171fc1b | 90 | * @brief Get field seqnr from encapsulated_data message |
shimniok | 0:826c6171fc1b | 91 | * |
shimniok | 0:826c6171fc1b | 92 | * @return sequence number (starting with 0 on every transmission) |
shimniok | 0:826c6171fc1b | 93 | */ |
shimniok | 0:826c6171fc1b | 94 | static inline uint16_t mavlink_msg_encapsulated_data_get_seqnr(const mavlink_message_t* msg) |
shimniok | 0:826c6171fc1b | 95 | { |
shimniok | 0:826c6171fc1b | 96 | generic_16bit r; |
shimniok | 0:826c6171fc1b | 97 | r.b[1] = (msg->payload)[0]; |
shimniok | 0:826c6171fc1b | 98 | r.b[0] = (msg->payload)[1]; |
shimniok | 0:826c6171fc1b | 99 | return (uint16_t)r.s; |
shimniok | 0:826c6171fc1b | 100 | } |
shimniok | 0:826c6171fc1b | 101 | |
shimniok | 0:826c6171fc1b | 102 | /** |
shimniok | 0:826c6171fc1b | 103 | * @brief Get field data from encapsulated_data message |
shimniok | 0:826c6171fc1b | 104 | * |
shimniok | 0:826c6171fc1b | 105 | * @return image data bytes |
shimniok | 0:826c6171fc1b | 106 | */ |
shimniok | 0:826c6171fc1b | 107 | static inline uint16_t mavlink_msg_encapsulated_data_get_data(const mavlink_message_t* msg, uint8_t* r_data) |
shimniok | 0:826c6171fc1b | 108 | { |
shimniok | 0:826c6171fc1b | 109 | |
shimniok | 0:826c6171fc1b | 110 | memcpy(r_data, msg->payload+sizeof(uint16_t), sizeof(uint8_t)*253); |
shimniok | 0:826c6171fc1b | 111 | return sizeof(uint8_t)*253; |
shimniok | 0:826c6171fc1b | 112 | } |
shimniok | 0:826c6171fc1b | 113 | |
shimniok | 0:826c6171fc1b | 114 | /** |
shimniok | 0:826c6171fc1b | 115 | * @brief Decode a encapsulated_data message into a struct |
shimniok | 0:826c6171fc1b | 116 | * |
shimniok | 0:826c6171fc1b | 117 | * @param msg The message to decode |
shimniok | 0:826c6171fc1b | 118 | * @param encapsulated_data C-struct to decode the message contents into |
shimniok | 0:826c6171fc1b | 119 | */ |
shimniok | 0:826c6171fc1b | 120 | static inline void mavlink_msg_encapsulated_data_decode(const mavlink_message_t* msg, mavlink_encapsulated_data_t* encapsulated_data) |
shimniok | 0:826c6171fc1b | 121 | { |
shimniok | 0:826c6171fc1b | 122 | encapsulated_data->seqnr = mavlink_msg_encapsulated_data_get_seqnr(msg); |
shimniok | 0:826c6171fc1b | 123 | mavlink_msg_encapsulated_data_get_data(msg, encapsulated_data->data); |
shimniok | 0:826c6171fc1b | 124 | } |