}
int read(byte[] buffer, int len) {
+ if (connection == null)
+ return 0;
int ret = connection.bulkTransfer(in, buffer, len, -1);
AltosDebug.debug("read(%d) = %d\n", len, ret);
return ret;
}
int write(byte[] buffer, int len) {
+ if (connection == null)
+ return 0;
int ret = connection.bulkTransfer(out, buffer, len, -1);
AltosDebug.debug("write(%d) = %d\n", len, ret);
return ret;