[Elphel-support] regarding raw data coming from sensor

gaurav dasondhi gauravdasondhi2013 at gmail.com
Wed Sep 17 06:00:47 PDT 2014


 I want to perform correlation over raw data .then you replied me

1. Did you run the simulation of "x353_1.tf"? There you can track what
happens to the raw sensor data.
2. To process the raw data you don't have to know where it's stored - you
can intercept it right when it's coming from the sensor - PXD[..], HACT,VACT

probleams

1. i simulate x353_1.tf but not getting what happend to raw data.
2. can you please tell me in which module i should search for hact ,vact
and pxd ...according to me is it sensorpad353.v ??

3. Apart from hact,vact and pxd ...their is a submodule mcontr353.v in
which we have four  channels ch0,ch1,ch2,ch3..  and as you mentioned
Channel 0 provides data from the sensor (it can be combined with FPN
correction data) to the SDRAM in either 8-bit mode or 16-bit.
If the data is to be JPEG compressed it should be in 8-bit mode.
so my question is ,in mcontr module we have one output pin i.e. sdd0 [31:0]
which is input pin for modulesddrio16 ...so is sdd0 use to transfer data to
sdram ??  is it rawdata..?? if it is then it is 32 bit ,so is it raw or
jpeg compressed data..??

4. i dont know weather i am on right track or not , if i wrong please
suggest me right path..

thanks
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