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-rw-r--r--src/modules/bottle_drop/bottle_drop.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/modules/bottle_drop/bottle_drop.cpp b/src/modules/bottle_drop/bottle_drop.cpp
index 0bb65252f..811470308 100644
--- a/src/modules/bottle_drop/bottle_drop.cpp
+++ b/src/modules/bottle_drop/bottle_drop.cpp
@@ -466,7 +466,7 @@ BottleDrop::task_main()
const unsigned sleeptime_us = 50000;
hrt_abstime last_run = hrt_absolute_time();
- float dt_runs = 1e6f / sleeptime_us;
+ float dt_runs = sleeptime_us / 1e6f;
// switch to faster updates during the drop
while (_drop_state > DROP_STATE_INIT) {
@@ -691,7 +691,7 @@ BottleDrop::task_main()
// run at roughly 20 Hz
usleep(sleeptime_us);
- dt_runs = 1e6f / hrt_elapsed_time(&last_run);
+ dt_runs = hrt_elapsed_time(&last_run) / 1e6f;
last_run = hrt_absolute_time();
}
}