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Merge pull request #827 from PX4/mavlink_range_finder 

Mavlink range finder
This commit is contained in:
Lorenz Meier 2014-04-20 02:04:33 +02:00
parent 0b85c41cd1 2ea32b315f
commit 8305058ca3
8 changed files with 67 additions and 21 deletions
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2
nuttx-configs/px4fmu-v1/nsh/defconfig
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@ -405,7 +405,7 @@ CONFIG_SIG_SIGWORK=4
CONFIG_MAX_TASKS=32
CONFIG_MAX_TASK_ARGS=10
CONFIG_NPTHREAD_KEYS=4
CONFIG_NFILE_DESCRIPTORS=36
CONFIG_NFILE_DESCRIPTORS=38
CONFIG_NFILE_STREAMS=8
CONFIG_NAME_MAX=32
CONFIG_PREALLOC_MQ_MSGS=4

2
nuttx-configs/px4fmu-v2/nsh/defconfig
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@ -439,7 +439,7 @@ CONFIG_SIG_SIGWORK=4
CONFIG_MAX_TASKS=32
CONFIG_MAX_TASK_ARGS=10
CONFIG_NPTHREAD_KEYS=4
CONFIG_NFILE_DESCRIPTORS=36
CONFIG_NFILE_DESCRIPTORS=38
CONFIG_NFILE_STREAMS=8
CONFIG_NAME_MAX=32
CONFIG_PREALLOC_MQ_MSGS=4

11
src/drivers/drv_range_finder.h
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@ -46,6 +46,10 @@
#define RANGE_FINDER_DEVICE_PATH "/dev/range_finder"
enum RANGE_FINDER_TYPE {
RANGE_FINDER_TYPE_LASER = 0,
};
/**
* range finder report structure. Reads from the device must be in multiples of this
* structure.
@ -53,8 +57,11 @@
struct range_finder_report {
uint64_t timestamp;
uint64_t error_count;
float distance; /** in meters */
uint8_t valid; /** 1 == within sensor range, 0 = outside sensor range */
unsigned type; /**< type, following RANGE_FINDER_TYPE enum */
float distance; /**< in meters */
float minimum_distance; /**< minimum distance the sensor can measure */
float maximum_distance; /**< maximum distance the sensor can measure */
uint8_t valid; /**< 1 == within sensor range, 0 = outside sensor range */
};
/*

1
src/modules/mavlink/mavlink_main.cpp
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@ -1953,6 +1953,7 @@ Mavlink::task_main(int argc, char *argv[])
configure_stream("NAMED_VALUE_FLOAT", 1.0f * rate_mult);
configure_stream("GLOBAL_POSITION_SETPOINT_INT", 3.0f * rate_mult);
configure_stream("ROLL_PITCH_YAW_THRUST_SETPOINT", 3.0f * rate_mult);
configure_stream("DISTANCE_SENSOR", 0.5f);
break;
case MAVLINK_MODE_CAMERA:

47
src/modules/mavlink/mavlink_messages.cpp
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@ -72,6 +72,7 @@
#include <uORB/topics/navigation_capabilities.h>
#include <drivers/drv_rc_input.h>
#include <drivers/drv_pwm_output.h>
#include <drivers/drv_range_finder.h>
#include "mavlink_messages.h"
@ -1312,6 +1313,51 @@ protected:
}
};
class MavlinkStreamDistanceSensor : public MavlinkStream
{
public:
const char *get_name()
{
return "DISTANCE_SENSOR";
}
MavlinkStream *new_instance()
{
return new MavlinkStreamDistanceSensor();
}
private:
MavlinkOrbSubscription *range_sub;
struct range_finder_report *range;
protected:
void subscribe(Mavlink *mavlink)
{
range_sub = mavlink->add_orb_subscription(ORB_ID(sensor_range_finder));
range = (struct range_finder_report *)range_sub->get_data();
}
void send(const hrt_abstime t)
{
(void)range_sub->update(t);
uint8_t type;
switch (range->type) {
case RANGE_FINDER_TYPE_LASER:
type = MAV_DISTANCE_SENSOR_LASER;
break;
}
uint8_t id = 0;
uint8_t orientation = 0;
uint8_t covariance = 20;
mavlink_msg_distance_sensor_send(_channel, range->timestamp / 1000, type, id, orientation,
range->minimum_distance*100, range->maximum_distance*100, range->distance*100, covariance);
}
};
MavlinkStream *streams_list[] = {
new MavlinkStreamHeartbeat(),
new MavlinkStreamSysStatus(),
@ -1338,6 +1384,7 @@ MavlinkStream *streams_list[] = {
new MavlinkStreamAttitudeControls(),
new MavlinkStreamNamedValueFloat(),
new MavlinkStreamCameraCapture(),
new MavlinkStreamDistanceSensor(),
new MavlinkStreamViconPositionEstimate(),
nullptr
};

18
src/modules/sdlog2/sdlog2.c
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@ -908,9 +908,6 @@ int sdlog2_thread_main(int argc, char *argv[])
hrt_abstime barometer_timestamp = 0;
hrt_abstime differential_pressure_timestamp = 0;
/* track changes in distance status */
bool dist_bottom_present = false;
/* enable logging on start if needed */
if (log_on_start) {
/* check GPS topic to get GPS time */
@ -1099,6 +1096,8 @@ int sdlog2_thread_main(int argc, char *argv[])
log_msg.body.log_LPOS.x = buf.local_pos.x;
log_msg.body.log_LPOS.y = buf.local_pos.y;
log_msg.body.log_LPOS.z = buf.local_pos.z;
log_msg.body.log_LPOS.ground_dist = buf.local_pos.dist_bottom;
log_msg.body.log_LPOS.ground_dist_rate = buf.local_pos.dist_bottom_rate;
log_msg.body.log_LPOS.vx = buf.local_pos.vx;
log_msg.body.log_LPOS.vy = buf.local_pos.vy;
log_msg.body.log_LPOS.vz = buf.local_pos.vz;
@ -1108,19 +1107,8 @@ int sdlog2_thread_main(int argc, char *argv[])
log_msg.body.log_LPOS.xy_flags = (buf.local_pos.xy_valid ? 1 : 0) | (buf.local_pos.v_xy_valid ? 2 : 0) | (buf.local_pos.xy_global ? 8 : 0);
log_msg.body.log_LPOS.z_flags = (buf.local_pos.z_valid ? 1 : 0) | (buf.local_pos.v_z_valid ? 2 : 0) | (buf.local_pos.z_global ? 8 : 0);
log_msg.body.log_LPOS.landed = buf.local_pos.landed;
log_msg.body.log_LPOS.ground_dist_flags = (buf.local_pos.dist_bottom_valid ? 1 : 0);
LOGBUFFER_WRITE_AND_COUNT(LPOS);
if (buf.local_pos.dist_bottom_valid) {
dist_bottom_present = true;
}
if (dist_bottom_present) {
log_msg.msg_type = LOG_DIST_MSG;
log_msg.body.log_DIST.bottom = buf.local_pos.dist_bottom;
log_msg.body.log_DIST.bottom_rate = buf.local_pos.dist_bottom_rate;
log_msg.body.log_DIST.flags = (buf.local_pos.dist_bottom_valid ? 1 : 0);
LOGBUFFER_WRITE_AND_COUNT(DIST);
}
}
/* --- LOCAL POSITION SETPOINT --- */

5
src/modules/sdlog2/sdlog2_messages.h
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@ -101,6 +101,8 @@ struct log_LPOS_s {
float x;
float y;
float z;
float ground_dist;
float ground_dist_rate;
float vx;
float vy;
float vz;
@ -110,6 +112,7 @@ struct log_LPOS_s {
uint8_t xy_flags;
uint8_t z_flags;
uint8_t landed;
uint8_t ground_dist_flags;
};
/* --- LPSP - LOCAL POSITION SETPOINT --- */
@ -343,7 +346,7 @@ static const struct log_format_s log_formats[] = {
LOG_FORMAT(ATSP, "ffff", "RollSP,PitchSP,YawSP,ThrustSP"),
LOG_FORMAT(IMU, "fffffffff", "AccX,AccY,AccZ,GyroX,GyroY,GyroZ,MagX,MagY,MagZ"),
LOG_FORMAT(SENS, "fffff", "BaroPres,BaroAlt,BaroTemp,DiffPres,DiffPresFilt"),
LOG_FORMAT(LPOS, "ffffffLLfBBB", "X,Y,Z,VX,VY,VZ,RefLat,RefLon,RefAlt,XYFlags,ZFlags,Landed"),
LOG_FORMAT(LPOS, "ffffffffLLfBBBB", "X,Y,Z,VX,VY,VZ,RefLat,RefLon,RefAlt,XYFlags,ZFlags,Landed"),
LOG_FORMAT(LPSP, "ffff", "X,Y,Z,Yaw"),
LOG_FORMAT(GPS, "QBffLLfffff", "GPSTime,FixType,EPH,EPV,Lat,Lon,Alt,VelN,VelE,VelD,Cog"),
LOG_FORMAT(ATTC, "ffff", "Roll,Pitch,Yaw,Thrust"),