DPRINTF("writing %d bytes\n", writepos-writebuf);
for (i=0; i<writepos-writebuf; i++) {
ftdi_write_data(&ftdic, writebuf+i, 1);
DPRINTF("writing %d bytes\n", writepos-writebuf);
for (i=0; i<writepos-writebuf; i++) {
ftdi_write_data(&ftdic, writebuf+i, 1);