Serial I/O Diagnostics - Sharp PC7000A Service Manual

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(1.1) Test
Menu
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When the. system starts.up. this program, it displays the title
and the SIO test menu as shown in Figure SIO·l.
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Date JUI/Ol/'85
Serial 10 [l,OJ
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is displayed onthescreen.Whanpressing [["J J key, the
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ad by using [[ . . J J and then'
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(1.3) Exiting Test Menu
When [[ESCll is entered before entering [["J
1.
control
exits to the DIAG LOADER.
(2) Description of Program
(2.1) Test Serial 10
(2.1.1) Outline
The program serves for conducting a loop test of a channel
in order to test the conditron
of
the hardware.
(2.1.2) Operation
When specifying this test, enter the proper data to prompts
displayed sequentially as shown in Figure SI0·2.
(a) Test
For details, see (2.4).
(a.l) Specification of Data Length
Data length?
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7 bit, 1:8 bitJ
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(a.3)
Specification of Parit~
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Confirm whether
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or nqt. -) ,.),;,;
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When··ente,ing .. [,[.11 . . ,), control exits to . . (a.1.) '~Specification
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(a.5) Execution and Completion,\>C[est ....
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The program causes the system to -co~duct'4 types 'aTtests
for the port. 1f:;'!fUi!'
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pl~ys !:'qlSj-.u:'~ ;9n;r~h.f; E~gh~'itieJ~ [q~J~~jt71~t ,it~m'-RT ~he
screen. Conversely, if the
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plays an error message.
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Good! !
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"ESC : end, ;Enten:, ,statt?
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When one or more of the! 4 types of tests are NG, the
system displays the following message.
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ESC: end, Enter: start?
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When pressing [[ESCJ J , control exits to the SIO test menu
asshown in Figure SIO·1-
When pressing [[
.,&1<];;
qQntrol,.,~its lt~ ,(~, 1) ,"?p~~\fi.ca·
tion of Data Length".
Tests the send
d.a~ai Ih~te.,-~n9,,~~c~i~~ g,at~Jine:.
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, Th.e systemcauses256hyteto(dataJfr~m oxdoJEcrxFF
.!
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~eIJtf~n's~itt'~~J ih;~tn~:J~Jyh~~~onq~,; "m~de,~' r;b_ef~e~ t~e
data byte by byte from the
rece'hiecrara
liile;
cbHltr~r~s'Hiat
the transmitted data is the same as the received data. When
the system considers that both data are the same, it trans-
mits the next data. If it determines that both data is not the
same, it displays the following message.