PC to CPU:
'STX' 'ADR' 'p' XXX 'CHK' 'ETX'
'p'
ASCII-Code 0x70 OR 0x80 = 0xF0
XXX
number of the program to be started (001-099) 000 = stop the program
Example:
ADR = 1, start program 1
String =
0x02 0x81 0xF0 0xB0 0xB0 0xB1 0xC0 0x03 (8 Bytes)
Example:
ADR = 1, stop program
String =
0x02 0x81 0xF0 0xB0 0xB0 0xB0 0xC1 0x03 (8 Bytes)
CPU to PC
'STX' 'ADR' 'p' XXX 'CHK' 'ETX' (read value)
'p'
ASCII-Code 0x70 OR 0x80 = 0xF0
Example:
ADR = 1, start program 1
String =
0x02 0x81 0xF0 0xB0 0xB0 0xB1 0xC0 0x03 (8 Bytes)