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

Revision:
0:a6a169de725f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAVlink/include/pixhawk/mavlink_msg_marker.h	Mon May 27 13:26:03 2013 +0000
@@ -0,0 +1,236 @@
+// MESSAGE MARKER PACKING
+
+#define MAVLINK_MSG_ID_MARKER 130
+
+typedef struct __mavlink_marker_t 
+{
+    uint16_t id; ///< ID
+    float x; ///< x position
+    float y; ///< y position
+    float z; ///< z position
+    float roll; ///< roll orientation
+    float pitch; ///< pitch orientation
+    float yaw; ///< yaw orientation
+
+} mavlink_marker_t;
+
+
+
+/**
+ * @brief Pack a marker 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 id ID
+ * @param x x position
+ * @param y y position
+ * @param z z position
+ * @param roll roll orientation
+ * @param pitch pitch orientation
+ * @param yaw yaw orientation
+ * @return length of the message in bytes (excluding serial stream start sign)
+ */
+static inline uint16_t mavlink_msg_marker_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint16_t id, float x, float y, float z, float roll, float pitch, float yaw)
+{
+    uint16_t i = 0;
+    msg->msgid = MAVLINK_MSG_ID_MARKER;
+
+    i += put_uint16_t_by_index(id, i, msg->payload); // ID
+    i += put_float_by_index(x, i, msg->payload); // x position
+    i += put_float_by_index(y, i, msg->payload); // y position
+    i += put_float_by_index(z, i, msg->payload); // z position
+    i += put_float_by_index(roll, i, msg->payload); // roll orientation
+    i += put_float_by_index(pitch, i, msg->payload); // pitch orientation
+    i += put_float_by_index(yaw, i, msg->payload); // yaw orientation
+
+    return mavlink_finalize_message(msg, system_id, component_id, i);
+}
+
+/**
+ * @brief Pack a marker 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 id ID
+ * @param x x position
+ * @param y y position
+ * @param z z position
+ * @param roll roll orientation
+ * @param pitch pitch orientation
+ * @param yaw yaw orientation
+ * @return length of the message in bytes (excluding serial stream start sign)
+ */
+static inline uint16_t mavlink_msg_marker_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint16_t id, float x, float y, float z, float roll, float pitch, float yaw)
+{
+    uint16_t i = 0;
+    msg->msgid = MAVLINK_MSG_ID_MARKER;
+
+    i += put_uint16_t_by_index(id, i, msg->payload); // ID
+    i += put_float_by_index(x, i, msg->payload); // x position
+    i += put_float_by_index(y, i, msg->payload); // y position
+    i += put_float_by_index(z, i, msg->payload); // z position
+    i += put_float_by_index(roll, i, msg->payload); // roll orientation
+    i += put_float_by_index(pitch, i, msg->payload); // pitch orientation
+    i += put_float_by_index(yaw, i, msg->payload); // yaw orientation
+
+    return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
+}
+
+/**
+ * @brief Encode a marker 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 marker C-struct to read the message contents from
+ */
+static inline uint16_t mavlink_msg_marker_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_marker_t* marker)
+{
+    return mavlink_msg_marker_pack(system_id, component_id, msg, marker->id, marker->x, marker->y, marker->z, marker->roll, marker->pitch, marker->yaw);
+}
+
+/**
+ * @brief Send a marker message
+ * @param chan MAVLink channel to send the message
+ *
+ * @param id ID
+ * @param x x position
+ * @param y y position
+ * @param z z position
+ * @param roll roll orientation
+ * @param pitch pitch orientation
+ * @param yaw yaw orientation
+ */
+#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
+
+static inline void mavlink_msg_marker_send(mavlink_channel_t chan, uint16_t id, float x, float y, float z, float roll, float pitch, float yaw)
+{
+    mavlink_message_t msg;
+    mavlink_msg_marker_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, id, x, y, z, roll, pitch, yaw);
+    mavlink_send_uart(chan, &msg);
+}
+
+#endif
+// MESSAGE MARKER UNPACKING
+
+/**
+ * @brief Get field id from marker message
+ *
+ * @return ID
+ */
+static inline uint16_t mavlink_msg_marker_get_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 x from marker message
+ *
+ * @return x position
+ */
+static inline float mavlink_msg_marker_get_x(const mavlink_message_t* msg)
+{
+    generic_32bit r;
+    r.b[3] = (msg->payload+sizeof(uint16_t))[0];
+    r.b[2] = (msg->payload+sizeof(uint16_t))[1];
+    r.b[1] = (msg->payload+sizeof(uint16_t))[2];
+    r.b[0] = (msg->payload+sizeof(uint16_t))[3];
+    return (float)r.f;
+}
+
+/**
+ * @brief Get field y from marker message
+ *
+ * @return y position
+ */
+static inline float mavlink_msg_marker_get_y(const mavlink_message_t* msg)
+{
+    generic_32bit r;
+    r.b[3] = (msg->payload+sizeof(uint16_t)+sizeof(float))[0];
+    r.b[2] = (msg->payload+sizeof(uint16_t)+sizeof(float))[1];
+    r.b[1] = (msg->payload+sizeof(uint16_t)+sizeof(float))[2];
+    r.b[0] = (msg->payload+sizeof(uint16_t)+sizeof(float))[3];
+    return (float)r.f;
+}
+
+/**
+ * @brief Get field z from marker message
+ *
+ * @return z position
+ */
+static inline float mavlink_msg_marker_get_z(const mavlink_message_t* msg)
+{
+    generic_32bit r;
+    r.b[3] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float))[0];
+    r.b[2] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float))[1];
+    r.b[1] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float))[2];
+    r.b[0] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float))[3];
+    return (float)r.f;
+}
+
+/**
+ * @brief Get field roll from marker message
+ *
+ * @return roll orientation
+ */
+static inline float mavlink_msg_marker_get_roll(const mavlink_message_t* msg)
+{
+    generic_32bit r;
+    r.b[3] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float))[0];
+    r.b[2] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float))[1];
+    r.b[1] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float))[2];
+    r.b[0] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float))[3];
+    return (float)r.f;
+}
+
+/**
+ * @brief Get field pitch from marker message
+ *
+ * @return pitch orientation
+ */
+static inline float mavlink_msg_marker_get_pitch(const mavlink_message_t* msg)
+{
+    generic_32bit r;
+    r.b[3] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[0];
+    r.b[2] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[1];
+    r.b[1] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[2];
+    r.b[0] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[3];
+    return (float)r.f;
+}
+
+/**
+ * @brief Get field yaw from marker message
+ *
+ * @return yaw orientation
+ */
+static inline float mavlink_msg_marker_get_yaw(const mavlink_message_t* msg)
+{
+    generic_32bit r;
+    r.b[3] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[0];
+    r.b[2] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[1];
+    r.b[1] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[2];
+    r.b[0] = (msg->payload+sizeof(uint16_t)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float)+sizeof(float))[3];
+    return (float)r.f;
+}
+
+/**
+ * @brief Decode a marker message into a struct
+ *
+ * @param msg The message to decode
+ * @param marker C-struct to decode the message contents into
+ */
+static inline void mavlink_msg_marker_decode(const mavlink_message_t* msg, mavlink_marker_t* marker)
+{
+    marker->id = mavlink_msg_marker_get_id(msg);
+    marker->x = mavlink_msg_marker_get_x(msg);
+    marker->y = mavlink_msg_marker_get_y(msg);
+    marker->z = mavlink_msg_marker_get_z(msg);
+    marker->roll = mavlink_msg_marker_get_roll(msg);
+    marker->pitch = mavlink_msg_marker_get_pitch(msg);
+    marker->yaw = mavlink_msg_marker_get_yaw(msg);
+}