void
uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
{
struct uftdi_softc *sc = vsc;
DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
vsc, portno, *count, from[0]));
/* Make length tag and copy data */
if (sc->sc_hdrlen > 0)
*to = FTDI_OUT_TAG(*count, portno);
memcpy(to + sc->sc_hdrlen, from, *count);
*count += sc->sc_hdrlen;
}
void
FTDIDevice::OnWrite(const char *buffer, size_t *numBytes, size_t *packetBytes)
{
if (*numBytes > FTDI_BUFFER_SIZE)
*numBytes = *packetBytes = FTDI_BUFFER_SIZE;
char *writeBuffer = WriteBuffer();
if (fHeaderLength > 0) {
if (*numBytes > WriteBufferSize() - fHeaderLength)
*numBytes = *packetBytes = WriteBufferSize() - fHeaderLength;
*writeBuffer = FTDI_OUT_TAG(*numBytes, FTDI_PIT_DEFAULT);
}
memcpy(writeBuffer + fHeaderLength, buffer, *packetBytes);
*packetBytes += fHeaderLength;
}
