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Hey guys, very new at this. I bought a LILYGO LoRa32 915Mhz ESP32 T3_V1.6.1 off Amazon and followed documentation to configure an SD card to log data. What I see is a csv file named "paxcounter_4196089b.csv" but nothing is written after testing multiple times for 1-3 minutes. The card is formatted FAT32. The ttgov21new.h file has the following:
I checked the CS, MOSI, MISO, and SCLK numbers match up. The device otherwise displays count information on the OLED screen normally. Any ideas where I might be missing something? Thanks! |
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Replies: 3 comments
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Please check serial log output, if you see this line repeatingly: |
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Ah it turns out I had to wait a little longer - about 6 minutes for the records to appear. Not sure why but good enough for my purpose. |
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There is a flushed write to minimize flash writes, that's why you see a delay. This is intentionally. |
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Ah it turns out I had to wait a little longer - about 6 minutes for the records to appear. Not sure why but good enough for my purpose.