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pwm: added PWM_SERVO_SET_FORCE_SAFETY_OFF ioctl 

this allows the safety switch on px4io to be forced off
This commit is contained in:
Andrew Tridgell 2014-03-25 11:54:37 +11:00 committed by Lorenz Meier
parent ac52111085
commit ab1939c6a3
3 changed files with 8 additions and 0 deletions
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3
src/drivers/drv_pwm_output.h
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@ -199,6 +199,9 @@ ORB_DECLARE(output_pwm);
/** get the lockdown override flag to enable outputs in HIL */
#define PWM_SERVO_GET_DISABLE_LOCKDOWN _IOC(_PWM_SERVO_BASE, 22)
/** force safety switch off (to disable use of safety switch) */
#define PWM_SERVO_SET_FORCE_SAFETY_OFF _IOC(_PWM_SERVO_BASE, 23)
/*
*
*

1
src/drivers/px4fmu/fmu.cpp
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@ -736,6 +736,7 @@ PX4FMU::pwm_ioctl(file *filp, int cmd, unsigned long arg)
case PWM_SERVO_SET_ARM_OK:
case PWM_SERVO_CLEAR_ARM_OK:
case PWM_SERVO_SET_FORCE_SAFETY_OFF:
// these are no-ops, as no safety switch
break;

4
src/drivers/px4io/px4io.cpp
View File

@ -2129,6 +2129,10 @@ PX4IO::ioctl(file * filep, int cmd, unsigned long arg)
case PWM_SERVO_GET_DISABLE_LOCKDOWN:
*(unsigned *)arg = _lockdown_override;
case PWM_SERVO_SET_FORCE_SAFETY_OFF:
/* force safety swith off */
ret = io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_FORCE_SAFETY_OFF, PX4IO_FORCE_SAFETY_MAGIC);
break;
case DSM_BIND_START: