How to use gatttool non-interactive mode

Question

I want to write gatttool in non-interactive mode.

$ sudo gatttool -i hci0 -b 78:A5:04:44:0A:57 -I
[78:A5:04:44:0A:57][LE]> connect
Attempting         


        

Answer 1

the option is not --char-write but a --char-write-req.

Total command must be:

sudo gatttool -i hci0 -b 78:A5:04:44:0A:57 --char-write-req -a 0x0025 -n ff