manual:chapter6:usb:cmd

Enable USB port

Input Stack		Output Stack
	→
Level 1	→	Level 1

Legend

Legend	Object type
O	Any object
I	Integer number
R	Real number
#	Binary number
Num	Scalar (Integer, Real or Binary number)
Z	Complex number
U	Unit
∡	Angle
A	Symbolic expression
C	Symbolic constant
V	Vector
M	Matrix
S	String
1/0	Any expression evaluating to True or False
G	Grob
F	Font
D	Binary data container
T	Tag object
L	List
cL	Case list
N	Variable name / Identifier
Dir	Directory
pDir	Packed Directory
P	Program
Lib	Library

The USBON command enables the USB driver.

This command is new in newRPL and does not exist in userRPL.

The following program

« USBOFF
  USBON
  USBSTATUS
»

executed when an USB connection is present will result in

1:                           #1h
……………………………………………………………………………………

because USBON restarts the USB driver bout doesn't re-estabilishes a connection.

USB Communications 8 NEW

Command	Short Description
USBSTATUS	Get status of the USB driver	NEW
USBRECV	Receive an object through USB link	NEW
USBSEND	Send an object through the USB link	NEW
USBOFF	Disable USB port	NEW
USBON	Enable USB port	NEW
USBAUTORCV	Receive an object and execute it	NEW
USBARCHIVE	Create a backup on a remote machine	NEW
USBRESTORE	Restore a backup from a remote machine	NEW