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NAME
- TD_MOTOR
-
control the on/off state of a drive motor.
FUNCTION
This command gives control over the disk motor. The motor may be turned on or off.
Normally, turning the drive on is not necessary, the device does this automatically if it receives a request when the motor is off. However, turning the motor off is the programmer's responsibility.
Normally, turning the drive on is not necessary, the device does this automatically if it receives a request when the motor is off. However, turning the motor off is the programmer's responsibility.
INPUTS
- io_Device
-
preset by the call to OpenDevice()
- io_Unit
-
preset by the call to OpenDevice()
- io_Command
-
TD_MOTOR
- io_Flags
-
0
- io_Length
-
the requested state of the motor, 0 to turn the motor off, and 1 to turn the motor on.
RESULT
- io_Error
-
0 for success, or an error code as defined in <devices/trackdisk.h> or <exec/errors.h>
- io_Actual
-
if io_Error is 0 this contains the previous state of the drive motor.