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_watchdog_heartbeat.h
- Revision:
- 0:a6a169de725f
diff -r 000000000000 -r a6a169de725f MAVlink/include/pixhawk/mavlink_msg_watchdog_heartbeat.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MAVlink/include/pixhawk/mavlink_msg_watchdog_heartbeat.h Mon May 27 13:26:03 2013 +0000 @@ -0,0 +1,124 @@ +// 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); +}