Communication Test

To test the connection between Raspberry Pi and Carberry board, from minicom, send the command: 

AT<CR><LF>

Carberry will replyes with 

OK<CR><LF>

Indicating succesfully connection.

Notes

  1. Every command line must be terminated by the two characters <CR> and <LF>, respectively in HEX 0x0D and 0x0A.
  2. Every line returned from Carberry, is terminated by the two characters <CR> and <LF>.
  3. After successfully execution of the command, Carberry returns possible line of replies, and than finish the sentence with “OK”.
  4. In case of errors, Carberry issues the keyword “ERROR”, followed by the reason of that.