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Hotfix: Only orb_copy items in mavlink app if the timestamp changed

This commit is contained in:
Lorenz Meier 2014-06-23 13:51:05 +02:00
parent 87857cdd48
commit a9653fa10d
1 changed files with 15 additions and 11 deletions
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8
src/modules/mavlink/mavlink_orb_subscription.cpp
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@ -44,6 +44,8 @@
#include <uORB/uORB.h>
#include <stdio.h>
#include <systemlib/err.h>
#include "mavlink_orb_subscription.h"
MavlinkOrbSubscription::MavlinkOrbSubscription(const orb_id_t topic) :
@ -77,23 +79,25 @@ MavlinkOrbSubscription::update(uint64_t *time, void* data)
time_topic = 0;
}
if (time_topic != *time) {
if (orb_copy(_topic, _fd, data)) {
/* error copying topic data */
memset(data, 0, _topic->o_size);
//warnx("err copy, fd: %d, obj: %s, size: %d", _fd, _topic->o_name, _topic->o_size);
return false;
} else {
/* data copied successfully */
_published = true;
if (time_topic != *time) {
*time = time_topic;
return true;
}
} else {
return false;
}
}
}
bool
MavlinkOrbSubscription::update(void* data)