RS232_LIB unsigned int
rs232_set_flow(struct rs232_port_t *p, enum rs232_flow_e flow)
{
DCB pdcb;
struct rs232_windows_t *wx = p->pt;
DBG("p=%p p->pt=%p flow=%d (flow control %s)\n",
(void *)p, p->pt, flow, rs232_strflow(flow));
if (!rs232_port_open(p))
return RS232_ERR_PORT_CLOSED;
GET_PORT_STATE(wx->fd, &pdcb);
switch (flow) {
case RS232_FLOW_OFF:
pdcb.fOutxCtsFlow = FALSE;
pdcb.fRtsControl = RTS_CONTROL_DISABLE;
pdcb.fInX = FALSE;
pdcb.fOutX = FALSE;
break;
case RS232_FLOW_HW:
pdcb.fOutxCtsFlow = TRUE;
pdcb.fRtsControl = RTS_CONTROL_HANDSHAKE;
pdcb.fInX = FALSE;
pdcb.fOutX = FALSE;
break;
case RS232_FLOW_XON_XOFF:
pdcb.fOutxCtsFlow = FALSE;
pdcb.fRtsControl = RTS_CONTROL_DISABLE;
pdcb.fInX = TRUE;
pdcb.fOutX = TRUE;
break;
default:
return RS232_ERR_UNKNOWN;
}
SET_PORT_STATE(wx->fd, &pdcb);
p->flow = flow;
return RS232_ERR_NOERROR;
}
RS232_LIB const char *
rs232_to_string(struct rs232_port_t *p)
{
static char str[RS232_STRLEN+1];
DBG("p=%p\n", (void *)p);
if (p == NULL)
return NULL;
snprintf(str, RS232_STRLEN, "device: %s, baud: %s, data bits: %s,"
" parity: %s, stop bits: %s,"
" flow control: %s",
p->dev,
rs232_strbaud(p->baud),
rs232_strdata(p->data),
rs232_strparity(p->parity),
rs232_strstop(p->stop),
rs232_strflow(p->flow));
return str;
}
