Communication between RD33771CDSTEVB and RDVCU5775EVM

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Communication between RD33771CDSTEVB and RDVCU5775EVM

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DaSc
Contributor I

Hello,

I'm currently trying to measure the voltages from the BATT-14CEMULATOR with the RD33771CDSTEVB. The Problem is, that the RDVCU5775EVM doesn't receive any messages, because RD33771 doesn't send any. I know that the RD33771C enters sleep mode after 60s, if there's no activity on the Bus, but I'm sending a message from the RDVCU. I don't know what wakeup message and what commands I have to send to get the cell voltages, because I can't find any commands for this board or μC. Maybe I have overlooked something.

I'm using Matlab R2018b with MBDT MPC57xx. These are my setting for the SPI:

DaSc_3-1655106566510.png

DaSc_4-1655106579288.pngDaSc_5-1655106595926.png

DaSc_6-1655107220619.png

DaSc_7-1655107247884.png

DaSc_8-1655107260186.png

 

Is there anything wrong with the settings or do I have to send the right message? And if so, how can I interpret the received message to get the cell voltages?

I hope you can help me!

Kind regards

 

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