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4D SYSTEMS µCAM-II
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7.4. JPEG Pictures (Video)
Make sure a connection is established first (Section 5.2 Connecting to the uCAM-II) before using the following
communications.
communications.
7.4.1. Example: JPEG Picture (320 x 240 resolution)
Note:
xx : Don't care
yy : 01 or 03. Don't care in JPEG mode
~~ : Image size returned by uCAM-II
xx : Don't care
yy : 01 or 03. Don't care in JPEG mode
~~ : Image size returned by uCAM-II
INITIAL
JPEG, VGA
(AA 01 00 07 yy 05)
ACK
(AA 0E 01 xx 00 00)
SET PACKAGE SIZE
512 Bytes
(AA 06 08 00 02 00)
ACK
(AA 0E 06 xx 00 00)
GET PICTURE
JPEG picture
(AA 04 05 00 00 00)
ACK
(AA 0E 04 xx 00 00)
ACK
Package ID: 0000h
(AA 0E 00 00 00 00)
Image Data Package
512 bytes, ID: 0000h
ACK
Package ID: 0001h
(AA 0E 00 00 01 00)
Image Data Package
512 bytes, ID: 0001h
DATA
JPEG picture
(AA 0A 05 ~~ ~~ ~~)
ACK
Package ID: F0F0h
(AA 0E 00 00 F0 F0)
Last Image Data
Package
:
:
1 FRAME