Simple solution, found it on my own.
The solution is to write:
if (buf[6] == '6') {
instead of
if (buf[6] == 6) {
I do not technically why but it works.
Simple solution, found it on my own.
The solution is to write:
if (buf[6] == '6') {
instead of
if (buf[6] == 6) {
I do not technically why but it works.