NAME

TD_MOTOR/ETD_MOTOR - control the on/off state of the card LED.

FUNCTION

This command gives control over the card LED. The LED may be turned on or off.

In addition, the standard instructions to the user are that it is safe to remove a card if and only if the LED is off.

INPUTS

io_Device Preset by the call to OpenDevice()

io_Unit: Preset by the call to OpenDevice()
io_Command: TD_MOTOR or ETD_MOTOR

io_Flags 0 or IOF_QUICK

io_Length: The requested state of the LED, 0 to turn the LED off, and 1 to turn the LED on.
iotd_Count: (ETD_MOTOR only) maximum allowable change counter value.

RESULT

io_Error: 0 for success, or an error code as defined in <devices/trackdisk.h>
io_Actual: If io_Error is 0 this contains the previous state of the LED.