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Diffstat (limited to 'apps/drivers/drv_pwm_output.h')
| -rw-r--r-- | apps/drivers/drv_pwm_output.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/apps/drivers/drv_pwm_output.h b/apps/drivers/drv_pwm_output.h index fe08d3fe5..23883323e 100644 --- a/apps/drivers/drv_pwm_output.h +++ b/apps/drivers/drv_pwm_output.h @@ -103,6 +103,9 @@ ORB_DECLARE(output_pwm); /** set update rate in Hz */ #define PWM_SERVO_SET_UPDATE_RATE _IOC(_PWM_SERVO_BASE, 2) +/** get the number of servos in *(unsigned *)arg */ +#define PWM_SERVO_GET_COUNT _IOC(_PWM_SERVO_BASE, 3) + /** set a single servo to a specific value */ #define PWM_SERVO_SET(_servo) _IOC(_PWM_SERVO_BASE, 0x20 + _servo) |