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/common/mavlink_msg_raw_pressure.h	Mon May 27 13:26:03 2013 +0000
@@ -0,0 +1,190 @@
+// MESSAGE RAW_PRESSURE PACKING
+
+#define MAVLINK_MSG_ID_RAW_PRESSURE 29
+
+typedef struct __mavlink_raw_pressure_t 
+{
+    uint64_t usec; ///< Timestamp (microseconds since UNIX epoch or microseconds since system boot)
+    int16_t press_abs; ///< Absolute pressure (raw)
+    int16_t press_diff1; ///< Differential pressure 1 (raw)
+    int16_t press_diff2; ///< Differential pressure 2 (raw)
+    int16_t temperature; ///< Raw Temperature measurement (raw)
+
+} mavlink_raw_pressure_t;
+
+
+
+/**
+ * @brief Pack a raw_pressure 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 usec Timestamp (microseconds since UNIX epoch or microseconds since system boot)
+ * @param press_abs Absolute pressure (raw)
+ * @param press_diff1 Differential pressure 1 (raw)
+ * @param press_diff2 Differential pressure 2 (raw)
+ * @param temperature Raw Temperature measurement (raw)
+ * @return length of the message in bytes (excluding serial stream start sign)
+ */
+static inline uint16_t mavlink_msg_raw_pressure_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint64_t usec, int16_t press_abs, int16_t press_diff1, int16_t press_diff2, int16_t temperature)
+{
+    uint16_t i = 0;
+    msg->msgid = MAVLINK_MSG_ID_RAW_PRESSURE;
+
+    i += put_uint64_t_by_index(usec, i, msg->payload); // Timestamp (microseconds since UNIX epoch or microseconds since system boot)
+    i += put_int16_t_by_index(press_abs, i, msg->payload); // Absolute pressure (raw)
+    i += put_int16_t_by_index(press_diff1, i, msg->payload); // Differential pressure 1 (raw)
+    i += put_int16_t_by_index(press_diff2, i, msg->payload); // Differential pressure 2 (raw)
+    i += put_int16_t_by_index(temperature, i, msg->payload); // Raw Temperature measurement (raw)
+
+    return mavlink_finalize_message(msg, system_id, component_id, i);
+}
+
+/**
+ * @brief Pack a raw_pressure 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 usec Timestamp (microseconds since UNIX epoch or microseconds since system boot)
+ * @param press_abs Absolute pressure (raw)
+ * @param press_diff1 Differential pressure 1 (raw)
+ * @param press_diff2 Differential pressure 2 (raw)
+ * @param temperature Raw Temperature measurement (raw)
+ * @return length of the message in bytes (excluding serial stream start sign)
+ */
+static inline uint16_t mavlink_msg_raw_pressure_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint64_t usec, int16_t press_abs, int16_t press_diff1, int16_t press_diff2, int16_t temperature)
+{
+    uint16_t i = 0;
+    msg->msgid = MAVLINK_MSG_ID_RAW_PRESSURE;
+
+    i += put_uint64_t_by_index(usec, i, msg->payload); // Timestamp (microseconds since UNIX epoch or microseconds since system boot)
+    i += put_int16_t_by_index(press_abs, i, msg->payload); // Absolute pressure (raw)
+    i += put_int16_t_by_index(press_diff1, i, msg->payload); // Differential pressure 1 (raw)
+    i += put_int16_t_by_index(press_diff2, i, msg->payload); // Differential pressure 2 (raw)
+    i += put_int16_t_by_index(temperature, i, msg->payload); // Raw Temperature measurement (raw)
+
+    return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
+}
+
+/**
+ * @brief Encode a raw_pressure 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 raw_pressure C-struct to read the message contents from
+ */
+static inline uint16_t mavlink_msg_raw_pressure_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_raw_pressure_t* raw_pressure)
+{
+    return mavlink_msg_raw_pressure_pack(system_id, component_id, msg, raw_pressure->usec, raw_pressure->press_abs, raw_pressure->press_diff1, raw_pressure->press_diff2, raw_pressure->temperature);
+}
+
+/**
+ * @brief Send a raw_pressure message
+ * @param chan MAVLink channel to send the message
+ *
+ * @param usec Timestamp (microseconds since UNIX epoch or microseconds since system boot)
+ * @param press_abs Absolute pressure (raw)
+ * @param press_diff1 Differential pressure 1 (raw)
+ * @param press_diff2 Differential pressure 2 (raw)
+ * @param temperature Raw Temperature measurement (raw)
+ */
+#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
+
+static inline void mavlink_msg_raw_pressure_send(mavlink_channel_t chan, uint64_t usec, int16_t press_abs, int16_t press_diff1, int16_t press_diff2, int16_t temperature)
+{
+    mavlink_message_t msg;
+    mavlink_msg_raw_pressure_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, usec, press_abs, press_diff1, press_diff2, temperature);
+    mavlink_send_uart(chan, &msg);
+}
+
+#endif
+// MESSAGE RAW_PRESSURE UNPACKING
+
+/**
+ * @brief Get field usec from raw_pressure message
+ *
+ * @return Timestamp (microseconds since UNIX epoch or microseconds since system boot)
+ */
+static inline uint64_t mavlink_msg_raw_pressure_get_usec(const mavlink_message_t* msg)
+{
+    generic_64bit r;
+    r.b[7] = (msg->payload)[0];
+    r.b[6] = (msg->payload)[1];
+    r.b[5] = (msg->payload)[2];
+    r.b[4] = (msg->payload)[3];
+    r.b[3] = (msg->payload)[4];
+    r.b[2] = (msg->payload)[5];
+    r.b[1] = (msg->payload)[6];
+    r.b[0] = (msg->payload)[7];
+    return (uint64_t)r.ll;
+}
+
+/**
+ * @brief Get field press_abs from raw_pressure message
+ *
+ * @return Absolute pressure (raw)
+ */
+static inline int16_t mavlink_msg_raw_pressure_get_press_abs(const mavlink_message_t* msg)
+{
+    generic_16bit r;
+    r.b[1] = (msg->payload+sizeof(uint64_t))[0];
+    r.b[0] = (msg->payload+sizeof(uint64_t))[1];
+    return (int16_t)r.s;
+}
+
+/**
+ * @brief Get field press_diff1 from raw_pressure message
+ *
+ * @return Differential pressure 1 (raw)
+ */
+static inline int16_t mavlink_msg_raw_pressure_get_press_diff1(const mavlink_message_t* msg)
+{
+    generic_16bit r;
+    r.b[1] = (msg->payload+sizeof(uint64_t)+sizeof(int16_t))[0];
+    r.b[0] = (msg->payload+sizeof(uint64_t)+sizeof(int16_t))[1];
+    return (int16_t)r.s;
+}
+
+/**
+ * @brief Get field press_diff2 from raw_pressure message
+ *
+ * @return Differential pressure 2 (raw)
+ */
+static inline int16_t mavlink_msg_raw_pressure_get_press_diff2(const mavlink_message_t* msg)
+{
+    generic_16bit r;
+    r.b[1] = (msg->payload+sizeof(uint64_t)+sizeof(int16_t)+sizeof(int16_t))[0];
+    r.b[0] = (msg->payload+sizeof(uint64_t)+sizeof(int16_t)+sizeof(int16_t))[1];
+    return (int16_t)r.s;
+}
+
+/**
+ * @brief Get field temperature from raw_pressure message
+ *
+ * @return Raw Temperature measurement (raw)
+ */
+static inline int16_t mavlink_msg_raw_pressure_get_temperature(const mavlink_message_t* msg)
+{
+    generic_16bit r;
+    r.b[1] = (msg->payload+sizeof(uint64_t)+sizeof(int16_t)+sizeof(int16_t)+sizeof(int16_t))[0];
+    r.b[0] = (msg->payload+sizeof(uint64_t)+sizeof(int16_t)+sizeof(int16_t)+sizeof(int16_t))[1];
+    return (int16_t)r.s;
+}
+
+/**
+ * @brief Decode a raw_pressure message into a struct
+ *
+ * @param msg The message to decode
+ * @param raw_pressure C-struct to decode the message contents into
+ */
+static inline void mavlink_msg_raw_pressure_decode(const mavlink_message_t* msg, mavlink_raw_pressure_t* raw_pressure)
+{
+    raw_pressure->usec = mavlink_msg_raw_pressure_get_usec(msg);
+    raw_pressure->press_abs = mavlink_msg_raw_pressure_get_press_abs(msg);
+    raw_pressure->press_diff1 = mavlink_msg_raw_pressure_get_press_diff1(msg);
+    raw_pressure->press_diff2 = mavlink_msg_raw_pressure_get_press_diff2(msg);
+    raw_pressure->temperature = mavlink_msg_raw_pressure_get_temperature(msg);
+}