Hello
I want that the program has patience 20 seconds, if no data received, then it will write the data,

Star: HIGH PORTB.7
HIGH PORTA.3 'activation
SERIN PORTA.2, T9600,20000, safe1, [“SYN”], code [0]
GOTO safe

safe1: code [0] = 12
code [1] = 12

safe: LOW PORTA.3
FOR I = 0 TO 1
LOOKUP2 codes [I], [48,49,50,51,52,53,54,55,56,57,42,35,45], datatx
code [I] = datatx
next I
Thank you