RS366Face.mesa
Copyright © 1985 by Xerox Corporation. All rights reserved.
BRD: July 10, 1980 10:16 AM
Beach, February 27, 1985 11:00:38 am PST
This DEFINITIONS module attempts to capture the lowest level interface to an RS-366 port which is still independent of the particular implementation, as well as the processor on which the port resides.
RS366Face: DEFINITIONS =
BEGIN
Interface Definitions
GetDialerCount: PROCEDURE RETURNS [dialerCount: CARDINAL];
SetStatus: PROCEDURE [dialerNumber: CARDINAL, setStatusBits: SetStatusBits];
GetStatus: PROCEDURE [dialerNumber: CARDINAL]
RETURNS [getStatusBits: GetStatusBits];
Non-interface definitions
SetStatusBits:
TYPE =
RECORD [
-- Settable RS366 bits --
callRequest: BOOLEAN,
digitPresent: BOOLEAN,
digit: [0..15]];
GetStatusBits: TYPE = RECORD [powerIndication, dataLineOccupied, callOriginationStatus, presentNextDigit, abandonCallAndRetry: BOOLEAN];
END.
CHANGE LOG
Time: September 21, 1979 9:01 AM By: Victor Schwartz Action: Created file
Time: January 15, 1980 5:29 PM By: Victor Schwartz Action: added GetDialerCount
Time: January 15, 1980 5:29 PM By: Bill Danielson Action: separated status bits into two records; SetStatusBits for bits the client can set, and GetStatusBits for bits the client can read.