Texas Instruments 990 User Manual page 136

Appl icati ons U til i ti es
5.3 DOWNLOAIE R
tJr
IL
ITY
The downloader utility accesses files built by the download
preprocessor utility and transfers records from these files to a
specified secondary station via the network. The utility
consi sts of two par ts:
*
A us er i nt erf ace whi ch prompts for par amet ers that
identify the secondary station and the file to
be
downloaded
*
A download t as k whi ch downloads (s ends/ tr ansmi ts) the
file via the network to the specified secondary station
5.3.1 Downloader
U
til i ty Bac kg ro und Inform ati on
The oownloader utility transfers files from a primary system to a
specified secondary station. The files to be transmitted must
be
in the directory .DOWNLOAD located on the system disk. These
fil es must have been b.Jil t by the download preprocessor as
described in paragraph 5.2. These files may contain operating
systems or stand-alone programs for the secondary stations.
NOl'E
The download fil es cont ai n reI oca,t
ed
bi nar y
obj ect code that is not properly formatted
for TX5 operating system program loaders.
The HDLC Canmunications ROM loader must be
used •
The following background information may be helpful to the users
of thi s util i ty:
*
*
*
The files accessed by the utili ty are as follows:
.DOWNLOAD.SOOnnnn.OPm (see paragraph 5.2.1)
The def aul t option (download file) for a secondary
st ati on is OPO, t hat is, .DOWNLOAD.
SO
Onnnn • OPO.
The default option, 0 (zero), is always transmitted by
the primary station upon the receipt of a download
request from a secondar y station.
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