Yokogawa Touch Screen GP20 Uživatelský manuál stáhnout pdf (Strana 106)

App-4

IM 04L51B01-17EN

Appendix 3 Output Flow Chart of External Storage

Medium Files and File Lists

Example for Outputting File aaaa.dtd

The flow chart for outputting file aaaa.dtd in the DATA0 directory on the external storage

medium is shown below.

FMedia,GET,/DRV0/DATA0/aaaa.dtd,0,-1

Receive response

Send command

Receive response

End

FMedia,GET,/DRV0/DATA0/aaaa.dtd,[unread position],-1

Obtain the number

of received bytes.

(2)

Compute

the unread position.

(3)

START

Send command

Is there more data?

(1)

(1) If the binary header flag (bit 0) is 0,

there is more data. If it is 1, data

transmission is complete.

(2) From the data length of the binary

output common header,

obtain the number of received bytes.

(3) Sum the number of received bytes,

compute the unread position.

1 2 ... 101 102 103 104 105 106 107 108 109 110

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Yokogawa Touch Screen GP20 Uživatelský manuál Strana 106