D:\Arduino\arduino-1.8.15\projects\SoftwareSerialExample_crypto\SoftwareSerialExample_crypto.ino:170:140: warning: narrowing conversion of '255' from 'int' to 'char' inside { } [-Wnarrowing]
(data_buf[15+bl_count*7]=caid_ident[4])){char q = 141; char pid[]={0xFF, 0x02, 0x00, data_buf[11+bl_count*7],data_buf[12+bl_count*7]}; port1.print(pid);}