Core4 » mTracker(Mid Range GW)-Pilot

Implementation Done:
As per the suggestion of Venu Sir,the following things was done
1.Created a project for SDHC fat driver-SD storage
2.Init,Read and Write API s was created in MPLAB x IDE and it was verified.
3.Write index and read index based logic.No pending data - On Power.
3.Verified the file created in the SDcard and log stored concurrently in the SD card
Pending:

Final integration needs to be done by Devi in Core4 Final version

Debugging Summary:

1. SD Card was not detected.The SDMMC Driver was intialized properly.But the media manager was not attached .The mount shows failure.
2.Verified the SDHC pin status and clock config
3.Verified the status of the SD card detect pin status by inserting SD Card and Removing the SD card .
4.Logs was sent to Venu sir,Got suggestions.
5.The issue was caused by unreliable Card Detect (CD) pin handling.The SD socket’s CD signal was not behaving as expected, so the Harmony Media Manager was not detecting the card consistently.
I switched the SD configuration from hardware Card Detect mode to polling mode.In polling mode, the driver directly checks SDHC status instead of relying on the CD pin, which resolved the mount instability.
6.Final integration was done.Need to test with the device where all the functionality should work.