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