Allied Vision Technologies Guppy Manuel d'instructions télécharger pdf (Page 112)

Guppy Technical ManualV7.4.0

112

Description of the data path

Send defect pixel data to the host

1. Set EnaMemRD flag to 1.

Defect pixel data is transferred from dual port RAM to host.

2. Read DPDataSize.

This is the current defect pixel count from the camera.

Receive defect pixel data from the host

1. Set EnaMemWR flag to 1.

Defect pixel data is transferred from host to dual port RAM.

DPC data: storing mechanism

Note



• Switch off camera and switch on again:

 defect pixel data in dual port RAM will get lost, but are

loaded automatically from EEPROM to dual port RAM

during initialization (only if stored in EEPROM before

switch off)

• Initialize camera (start-up or soft reset):

 non-volatile stored defect pixel data are loaded auto-

matically from EEPROM to dual port RAM.

Figure 65: DPC data: storing mechanism

Sensor board

FPGA

Dual

port

RAM

µC

Build

EEP2

Load

Host

MemRead

MemWrite

Save

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Allied Vision Technologies Guppy Manuel d'instructions Page 112