User`s manual

175
CHAPTER 3 COMMUNICATIONS BY THE MODEM FUNCTION
3
3.5 Sample Programs
Line disconnection processing subroutine
(Line disconnection from local station)
Received data read normally
completed
·
Received data read abnormally
completed
·
Modem disconnection request signal
is set
·
·
·
·
Various request signals are reset
·
·
·
·
When the modem disconnection
completion signal is ON, the error code
is read
When the normal completion signal is
ON, the line disconnection completion
flag is set
Modem disconnection request signal
is reset
Subroutine resetting various request
signals and completion signals
When any completion signal is ON,
the modem disconnection request
signal is set
When the initialization complete signal
is OFF and the modem disconnection
completion signal is ON, the request
signal is reset
·
To turn OFF the modem disconnection
completion signal, a second is required
after the modem disconnection request
signal is ON.
When the related signals are OFF,
the flag is reset