serval-dna/overlay_packetradio.c
2013-02-20 15:36:24 +10:30

58 lines
1.4 KiB
C

#include "serval.h"
#include "conf.h"
#include <termios.h>
int overlay_packetradio_setup_port(overlay_interface *interface)
{
struct termios t;
tcgetattr(interface->alarm.poll.fd, &t);
// XXX Speed and options should be configurable
cfsetispeed(&t, B57600);
cfsetospeed(&t, B57600);
// 8N1
t.c_cflag &= ~PARENB;
t.c_cflag &= ~CSTOPB;
t.c_cflag &= ~CSIZE;
t.c_cflag |= CS8;
t.c_lflag &= ~(ICANON | ISIG | IEXTEN | ECHO | ECHOE);
/* Noncanonical mode, disable signals, extended
input processing, and software flow control and echoing */
t.c_iflag &= ~(BRKINT | ICRNL | IGNBRK | IGNCR | INLCR |
INPCK | ISTRIP | IXON | IXOFF | IXANY | PARMRK);
/* Disable special handling of CR, NL, and BREAK.
No 8th-bit stripping or parity error handling.
Disable START/STOP output flow control. */
// Enable CTS/RTS flow control (for now)
#ifndef CNEW_RTSCTS
t.c_cflag |= CRTSCTS;
#else
t.c_cflag |= CNEW_RTSCTS;
#endif
// no output processing
t.c_oflag &= ~OPOST;
tcsetattr(interface->alarm.poll.fd, TCSANOW, &t);
write(interface->alarm.poll.fd,"ATO\r",4);
if (config.debug.packetradio)
DEBUGF("Sent ATO to make sure we are in on-line mode");
if (0){
// dummy write of all possible ascii values
char buff[256];
int i;
for (i=0;i<sizeof buff;i++)
buff[i]=i;
write(interface->alarm.poll.fd,buff,sizeof buff);
}
set_nonblock(interface->alarm.poll.fd);
return 0;
}