How to connect to Newland products in Android system
Announcer: Kason Time: 3rd May 2023
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  1. The Android device reads and writes the Newland products in virtual serial mode
  2.  first configure the Andrews kernel to add support "CDC ACM" driver, recompile and update the compiled kernel. (Note: different system compilation environment display information is different)
  3. modify the device node permissions, so that Newland products node can be normal access to Andrews program.
    Modify the "/ueventd.rc" file in the root directory
         In ueventd.rc, add a rule that modifies the device node's permissions
        /dev/ttyACM*                  0666   root       root
  4.  Save and exit the file
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