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
diff -r 000000000000 -r a6a169de725f MAVlink/include/common/mavlink_msg_statustext.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MAVlink/include/common/mavlink_msg_statustext.h	Mon May 27 13:26:03 2013 +0000
@@ -0,0 +1,121 @@
+// MESSAGE STATUSTEXT PACKING
+
+#define MAVLINK_MSG_ID_STATUSTEXT 254
+
+typedef struct __mavlink_statustext_t 
+{
+    uint8_t severity; ///< Severity of status, 0 = info message, 255 = critical fault
+    int8_t text[50]; ///< Status text message, without null termination character
+
+} mavlink_statustext_t;
+
+#define MAVLINK_MSG_STATUSTEXT_FIELD_TEXT_LEN 50
+
+
+/**
+ * @brief Pack a statustext 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 severity Severity of status, 0 = info message, 255 = critical fault
+ * @param text Status text message, without null termination character
+ * @return length of the message in bytes (excluding serial stream start sign)
+ */
+static inline uint16_t mavlink_msg_statustext_pack(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, uint8_t severity, const int8_t* text)
+{
+    uint16_t i = 0;
+    msg->msgid = MAVLINK_MSG_ID_STATUSTEXT;
+
+    i += put_uint8_t_by_index(severity, i, msg->payload); // Severity of status, 0 = info message, 255 = critical fault
+    i += put_array_by_index((const int8_t*)text, sizeof(int8_t)*50, i, msg->payload); // Status text message, without null termination character
+
+    return mavlink_finalize_message(msg, system_id, component_id, i);
+}
+
+/**
+ * @brief Pack a statustext 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 severity Severity of status, 0 = info message, 255 = critical fault
+ * @param text Status text message, without null termination character
+ * @return length of the message in bytes (excluding serial stream start sign)
+ */
+static inline uint16_t mavlink_msg_statustext_pack_chan(uint8_t system_id, uint8_t component_id, uint8_t chan, mavlink_message_t* msg, uint8_t severity, const int8_t* text)
+{
+    uint16_t i = 0;
+    msg->msgid = MAVLINK_MSG_ID_STATUSTEXT;
+
+    i += put_uint8_t_by_index(severity, i, msg->payload); // Severity of status, 0 = info message, 255 = critical fault
+    i += put_array_by_index((const int8_t*)text, sizeof(int8_t)*50, i, msg->payload); // Status text message, without null termination character
+
+    return mavlink_finalize_message_chan(msg, system_id, component_id, chan, i);
+}
+
+/**
+ * @brief Encode a statustext 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 statustext C-struct to read the message contents from
+ */
+static inline uint16_t mavlink_msg_statustext_encode(uint8_t system_id, uint8_t component_id, mavlink_message_t* msg, const mavlink_statustext_t* statustext)
+{
+    return mavlink_msg_statustext_pack(system_id, component_id, msg, statustext->severity, statustext->text);
+}
+
+/**
+ * @brief Send a statustext message
+ * @param chan MAVLink channel to send the message
+ *
+ * @param severity Severity of status, 0 = info message, 255 = critical fault
+ * @param text Status text message, without null termination character
+ */
+#ifdef MAVLINK_USE_CONVENIENCE_FUNCTIONS
+
+static inline void mavlink_msg_statustext_send(mavlink_channel_t chan, uint8_t severity, const int8_t* text)
+{
+    mavlink_message_t msg;
+    mavlink_msg_statustext_pack_chan(mavlink_system.sysid, mavlink_system.compid, chan, &msg, severity, text);
+    mavlink_send_uart(chan, &msg);
+}
+
+#endif
+// MESSAGE STATUSTEXT UNPACKING
+
+/**
+ * @brief Get field severity from statustext message
+ *
+ * @return Severity of status, 0 = info message, 255 = critical fault
+ */
+static inline uint8_t mavlink_msg_statustext_get_severity(const mavlink_message_t* msg)
+{
+    return (uint8_t)(msg->payload)[0];
+}
+
+/**
+ * @brief Get field text from statustext message
+ *
+ * @return Status text message, without null termination character
+ */
+static inline uint16_t mavlink_msg_statustext_get_text(const mavlink_message_t* msg, int8_t* r_data)
+{
+
+    memcpy(r_data, msg->payload+sizeof(uint8_t), sizeof(int8_t)*50);
+    return sizeof(int8_t)*50;
+}
+
+/**
+ * @brief Decode a statustext message into a struct
+ *
+ * @param msg The message to decode
+ * @param statustext C-struct to decode the message contents into
+ */
+static inline void mavlink_msg_statustext_decode(const mavlink_message_t* msg, mavlink_statustext_t* statustext)
+{
+    statustext->severity = mavlink_msg_statustext_get_severity(msg);
+    mavlink_msg_statustext_get_text(msg, statustext->text);
+}