Re: [ts-7000] TS-ADC16 continuous sampling

[Mike Ingle <>]

With the right buffering, a device driver, custom fpga implementation,... you can get the limit of the 100mbit ethernet implementaion (2-4 Mbytes/s as far as I recall on the ts-7300).  

200Hz, would only require a simple device driver, assuming that the ADC-16 is on the PC-104 bus.  Basically you would set up a timer based interrupt, and collect data from the device driver.  I believe there is asmple code on in the files section.  Been too long to remember exactly.

Mike 

On Apr 12, 2010, at 1:12 AM, mario.huizar wrote:

 

Hello all,

I am using the TS-ADC16 in my TS-7300 board. I am using QT3 in order to display the data that I get. I am sampling at 200Hz.
I am using the tsadclib1624 provided by technologic.
The problem that I am having is that I lost samples. I have a thread that the only thing that it does is to be in a while loop calling the sample function. (tsadclib1624_sample)
But it looks like in between every call to this sample function I am losing data. I cannot do a true continuous sampling even though my sampling is only at 200Hz.
In the documentation of the library it is written:

NOTE:
Because of the way the data is presented from the hardware, it is not currently possible to provide continuous data into a ring buffer at high speeds.

But what is high speeds? 200Hz? What can be done to get a continous sampling?

Regards,
Mario Rodriguez Huizar

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