1 commands

2 --------

3 e<0|1> - echo on/off

4 p - start programming

5 b - boot

6 a<addr> - address offset to read/write data

7 w<value> - write value and increment address

8 r - read value and decrement address. response: OK <value>

9

10 All commands and responses are newline-terminated. On success the response

11 starts with "OK", otherwise it starts with "ERR".