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Diffstat (limited to 'src/lib/ecl/attitude_fw/ecl_roll_controller.cpp')
-rw-r--r--src/lib/ecl/attitude_fw/ecl_roll_controller.cpp6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp b/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp
index 1aac82792..ab3ac0a9d 100644
--- a/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp
+++ b/src/lib/ecl/attitude_fw/ecl_roll_controller.cpp
@@ -86,7 +86,11 @@ float ECL_RollController::control_bodyrate(float pitch,
/* get the usual dt estimate */
uint64_t dt_micros = ecl_elapsed_time(&_last_run);
_last_run = ecl_absolute_time();
- float dt = (dt_micros > 500000) ? 0.0f : (float)dt_micros * 1e-6f;
+ float dt = (float)dt_micros * 1e-6f;
+
+ /* lock integral for long intervals */
+ if (dt_micros > 500000)
+ lock_integrator = true;
float k_ff = math::max((_k_p - _k_i * _tc) * _tc - _k_d, 0.0f);
float k_i_rate = _k_i * _tc;