mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-08 09:36:02 -05:00
91 lines
1.7 KiB
C
91 lines
1.7 KiB
C
#include <termios.h>
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#include "dsd.h"
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void
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openSerial (dsd_opts * opts, dsd_state * state)
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{
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struct termios tty;
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speed_t baud;
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printf ("Opening serial port %s and setting baud to %i\n", opts->serial_dev, opts->serial_baud);
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opts->serial_fd = open (opts->serial_dev, O_WRONLY);
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if (opts->serial_fd == -1)
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{
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fprintf(stderr, "Error, couldn't open %s\n", opts->serial_dev);
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exit (1);
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}
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tty.c_cflag = 0;
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baud = B115200;
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switch (opts->serial_baud)
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{
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case 1200:
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baud = B1200;
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case 2400:
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baud = B2400;
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case 4800:
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baud = B4800;
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case 9600:
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baud = B9600;
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break;
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case 19200:
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baud = B19200;
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break;
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case 38400:
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baud = B38400;
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break;
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case 57600:
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baud = B57600;
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break;
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case 115200:
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baud = B115200;
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break;
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case 230400:
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baud = B230400;
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break;
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}
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if (opts->serial_baud > 0)
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{
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cfsetospeed (&tty, baud);
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cfsetispeed (&tty, baud);
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}
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tty.c_cflag |= (tty.c_cflag & ~CSIZE) | CS8;
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tty.c_iflag = IGNBRK;
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tty.c_lflag = 0;
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tty.c_oflag = 0;
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tty.c_cflag &= ~CRTSCTS;
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tty.c_iflag &= ~(IXON | IXOFF | IXANY);
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tty.c_cflag &= ~(PARENB | PARODD);
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tty.c_cflag &= ~CSTOPB;
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tty.c_cc[VMIN] = 1;
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tty.c_cc[VTIME] = 5;
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tcsetattr (opts->serial_fd, TCSANOW, &tty);
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}
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void
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resumeScan (dsd_opts * opts, dsd_state * state)
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{
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char cmd[16];
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ssize_t result;
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if (opts->serial_fd > 0)
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{
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sprintf (cmd, "\rKEY00\r");
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result = write (opts->serial_fd, cmd, 7);
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cmd[0] = 2;
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cmd[1] = 75;
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cmd[2] = 15;
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cmd[3] = 3;
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cmd[4] = 93;
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cmd[5] = 0;
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result = write (opts->serial_fd, cmd, 5);
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state->numtdulc = 0;
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}
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}
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