CCS/ADS1292RECG-FE: Need help to undertand data packets structure coming out on the ADS1292 ECG FE USB

Haithem Rahmouni

Intellectual 605 points

Part Number: ADS1292RECG-FE
Other Parts Discussed in Thread: ADS1292, ADS1292R, TIDM-BIOSIGNMONITOR

Tool/software: Code Composer Studio

Dear E2E TI Team,

We would like to understand and have more information about ECG data packets coming out on the ADS1292RECG-FE USB.

Knowing that :

- The ECGTxPacket table is sent to the USB after ECGTxPacketRdy.

- The ECGTxPacket table is sent to the USB after ECGTxPacketRdy datapacket Flag is ready.

- The process to fill ECGTxPacket table can find in the Stream_ECG_data_packets() function code source as below :

for ( ucLoopCnt =0 ; ucLoopCnt < 2; ucLoopCnt++)
{
ECGTxPacket[StreamCount++]= (ECGFilteredData[ucLoopCnt] & 0x00FF); // High Byte B15-B8
ECGTxPacket[StreamCount++]= (ECGFilteredData[ucLoopCnt] & 0xFF00) >> 8 ; // Low byte B7-B0
}

- We have the GIU PC software source, We tried to understand but without result.

Could you please help us to understand how to extract and get a separately Resperation_Data and ECG_Data because we need them for our customized smartphone application?

Best regards,

Haithem.

over 6 years ago

0 Brian Pisani over 6 years ago

TI__Mastermind 38745 points

Hello Haithem,

TI typically does not support the use of this EVM's source code as "sample code". The code is not optimized for an end-application and, as you can probably tell, is not very readable. What I can say is that the respiration data comes out of the ADS1292 on channel 1 just like ECG data. I'm not sure the code makes a distinction.

Regards,
Brian

0 Haithem Rahmouni over 6 years ago in reply to Brian Pisani

Intellectual 605 points

Hi Brian,

The same code that is used to interface the ADS1292R in EVM(ADS1292R Performance Demonstration Kit) is also used in the TIDM-BIOSIGNMONITOR reference Design.

So, Could you please check internally with your colleagues which are worked on this kind of project to have same advice and support ?
And if possible, provide me with other specific documentations(not published) about the algorithme ?

Kind regards,
Haithem.

0 Brian Pisani over 6 years ago in reply to Haithem Rahmouni

TI__Mastermind 38745 points

Haithem,

I notified the folks who support the MSP430 as that TI design came out of their group. Perhaps someone can shed some light onto this firmware's behavior.

Brian

0 Haithem Rahmouni over 6 years ago in reply to Brian Pisani

Intellectual 605 points

Thank you Brian !

I hope that we have an answer ASAP so we can advance our project.

Best Regards,

Haithem.

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CCS/ADS1292RECG-FE: Need help to undertand data packets structure coming out on the ADS1292 ECG FE USB