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Rishi1

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  1. Hello, I am using the MCC118 DAQHAT on a Raspberry Pi 4B to measure voltages on all 8 channels. I am using the provided data_logger example from the MCC github to log the voltages on all 8 channels at 10kS/s per channel and output to "data.csv." I am running into an issue where the data_logger stops after data.csv reaches 2GB file size. After spending days on research, my understanding is that this may be due to Raspberry Pi 4B bootloader required to be FAT16/FAT32 format. I bought an external 1TB SSD and have two partitions. One partition in FAT32 format for the Pi4B bootloader and the second partition in EXT4 format to store files larger than 2GB since EXT4 format allows for a single file to reach a maximum size of 16TB vs 2GB for FAT16/FAT32. Unfortunately, the data logger stills only writes values into data.csv up to 2GB and stops, which is only around ~1 hour of data. I am trying to log the voltages on all channels for days/weeks and have it continually write the data to a csv file until the "Stop" button is pressed. Is there any workaround for the max file size limit? Thank you.
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