Point Grey Flea3 USB 3.0 Technical Reference 3 General Camera Operation
4. Transmit two images:
Write 61Ch 80 00 00 00
Write 61Ch 80 00 00 00
Read 634h C0 07 00 02
Writing 1 to bit 0 of register 61Ch results in a single image being transmitted and the number of images available being
decremented by one. After transmitting two images, a subsequent read of the register indicates that there are two
images left.
3.5 Non-Volatile Flash Memory
The camera has 1 MB of non-volatile memory for users to store data.
Title Article
Storing data in on-camera flash memory
Knowledge Base Article 341
Related Knowledge Base Articles
3.5.1 DATA_FLASH_CTRL: 1240h
This register controls access to the camera’s on-board flash memory. Each bit in the data flash is initially set to 1.
The user can transfer as much data as necessary to the offset address (1244h), then perform a single write to the
control register to commit the data to flash. Any modified data is committed by writing to this register, or by accessing
any other control register.
Field Bit Description
Presence_Inq [0]
Presence of this feature
0: Not Available, 1: Available
[1-5] Reserved
Clean_Page [6]
Read:
0: Page is dirty, 1: Page is clean
Write:
0: No-op, 1: Write page to data flash
[7] Reserved
Page_Size [8-19]
8 == 256 byte page
9 == 512 byte page
Num_Pages [20-31]
11 == 2048 pages
13 == 8192 pages
Format:
3.5.2 DATA_FLASH_DATA: 1244h
This register provides the 32-bit offset to the start of where the data is stored in the flash memory.
Revised 9/27/2012
Copyright ©2011-2012 Point Grey Research Inc.
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