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Store control bits in sp_port_data on Unix.

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This commit is contained in:
Martin Ling 2013-11-14 22:27:51 +00:00
parent e96d8bd288
commit 824dcb4561
1 changed files with 4 additions and 5 deletions
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9
serialport.c
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@ -51,6 +51,7 @@ struct sp_port_data {
DCB dcb;
#else
struct termios term;
int controlbits;
int rts;
int cts;
int dtr;
@ -534,23 +535,21 @@ static int start_config(struct sp_port *port, struct sp_port_data *data)
if (!GetCommState(port->hdl, &data->dcb))
return SP_ERR_FAIL;
#else
int controlbits;
if (tcgetattr(port->fd, &data->term) < 0)
return SP_ERR_FAIL;
if (ioctl(port->fd, TIOCMGET, &controlbits) < 0)
if (ioctl(port->fd, TIOCMGET, &data->controlbits) < 0)
return SP_ERR_FAIL;
if (data->term.c_cflag & CRTSCTS) {
data->rts = SP_RTS_FLOW_CONTROL;
data->cts = SP_CTS_FLOW_CONTROL;
} else {
data->rts = (controlbits & TIOCM_RTS) ? SP_RTS_ON : SP_RTS_OFF;
data->rts = (data->controlbits & TIOCM_RTS) ? SP_RTS_ON : SP_RTS_OFF;
data->cts = SP_CTS_IGNORE;
}
data->dtr = (controlbits & TIOCM_DTR) ? SP_DTR_ON : SP_DTR_OFF;
data->dtr = (data->controlbits & TIOCM_DTR) ? SP_DTR_ON : SP_DTR_OFF;
data->dsr = SP_DSR_IGNORE;
#endif
return SP_OK;