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Diffstat (limited to 'src/drivers/drv_pwm_output.h')
-rw-r--r--src/drivers/drv_pwm_output.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/drivers/drv_pwm_output.h b/src/drivers/drv_pwm_output.h
index 07831f20c..56af71059 100644
--- a/src/drivers/drv_pwm_output.h
+++ b/src/drivers/drv_pwm_output.h
@@ -109,6 +109,12 @@ ORB_DECLARE(output_pwm);
/** selects servo update rates, one bit per servo. 0 = default (50Hz), 1 = alternate */
#define PWM_SERVO_SELECT_UPDATE_RATE _IOC(_PWM_SERVO_BASE, 4)
+/** set the 'ARM ok' bit, which activates the safety switch */
+#define PWM_SERVO_SET_ARM_OK _IOC(_PWM_SERVO_BASE, 5)
+
+/** clear the 'ARM ok' bit, which deactivates the safety switch */
+#define PWM_SERVO_CLEAR_ARM_OK _IOC(_PWM_SERVO_BASE, 6)
+
/** set a single servo to a specific value */
#define PWM_SERVO_SET(_servo) _IOC(_PWM_SERVO_BASE, 0x20 + _servo)