// // start serial echo server first // ./bin/serial_recv 4000 // var a = iostream_serial_create("/dev/ttys001", 0) var b = iostream_get_ostream(a) var c = iostream_get_istream(a) assert(ostream_write_uint32(b, 6) == 4) assert(ostream_write_string(b, "hello\n") == 6) assert(istream_read_uint32(c, 3000) == 6) assert(istream_read_string(c, 6, 3000) == "hello\n") unset(c) unset(b) unset(a)