mirror of
https://github.com/servalproject/serval-dna.git
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65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
#include "serval.h"
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#include "conf.h"
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#include <termios.h>
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int overlay_packetradio_setup_port(overlay_interface *interface)
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{
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struct termios t;
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tcgetattr(interface->alarm.poll.fd, &t);
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// XXX Speed and options should be configurable
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cfsetispeed(&t, B57600);
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cfsetospeed(&t, B57600);
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// 8N1
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t.c_cflag &= ~PARENB;
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t.c_cflag &= ~CSTOPB;
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t.c_cflag &= ~CSIZE;
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t.c_cflag |= CS8;
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t.c_lflag &= ~(ICANON | ISIG | IEXTEN | ECHO | ECHOE);
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/* Noncanonical mode, disable signals, extended
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input processing, and software flow control and echoing */
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t.c_iflag &= ~(BRKINT | ICRNL | IGNBRK | IGNCR | INLCR |
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INPCK | ISTRIP | IXON | IXOFF | IXANY | PARMRK);
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/* Disable special handling of CR, NL, and BREAK.
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No 8th-bit stripping or parity error handling.
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Disable START/STOP output flow control. */
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// Enable CTS/RTS flow control (for now)
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#ifndef CNEW_RTSCTS
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t.c_cflag |= CRTSCTS;
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#else
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t.c_cflag |= CNEW_RTSCTS;
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#endif
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// no output processing
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t.c_oflag &= ~OPOST;
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tcsetattr(interface->alarm.poll.fd, TCSANOW, &t);
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// Ask radio to report RSSI
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(void)write_all(interface->alarm.poll.fd,"\r",1);
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usleep(1200000);
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(void)write_all(interface->alarm.poll.fd,"+++",3);
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usleep(1200000);
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(void)write_all(interface->alarm.poll.fd,"\rAT&T\rAT&T=RSSI\rATO\r",20);
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if (config.debug.packetradio) {
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DEBUGF("Enabled RSSI reporting for RFD900 radios");
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DEBUGF("Sent ATO to make sure we are in on-line mode");
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}
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if (0){
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// dummy write of all possible ascii values
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char buff[256];
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int i;
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for (i=0;i<sizeof buff;i++)
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buff[i]=i;
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(void)write_all(interface->alarm.poll.fd,buff,sizeof buff);
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}
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set_nonblock(interface->alarm.poll.fd);
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return 0;
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}
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