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https://github.com/Hamlib/Hamlib
synced 2026-08-13 17:32:05 -04:00
5b1517778e
When the software on the other side of the pty closes the device, the simulator would close and reopen its side but it is unneeded because it can continue to call read() without doing anything special.
81 lines
1.4 KiB
C
81 lines
1.4 KiB
C
// can run this using rigctl/rigctld and socat pty devices
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#define _XOPEN_SOURCE 700
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// since we are POSIX here we need this
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#define BUFSIZE 256
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float freqA = 14074000;
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float freqB = 14074500;
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char tx_vfo = '0';
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char rx_vfo = '0';
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char modeA = '1';
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char modeB = '1';
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int width_main = 500;
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int width_sub = 700;
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int
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_getmyline(int fd, unsigned char *buf)
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{
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unsigned char c;
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int i = 0;
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int n = 0;
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memset(buf, 0, BUFSIZE);
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while (i < 5 && read(fd, &c, 1) > 0)
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{
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buf[i++] = c;
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n++;
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}
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printf("n1=%d %02x %02x %02x %02x %02x\n", n, buf[0], buf[1], buf[2], buf[3],
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buf[4]);
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i = buf[4]; // length of packet
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n = read(fd, &buf[5], i);
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printf("read %d bytes\n", n);
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if (n == 0) { return 0; }
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n += 5;
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printf("n2=%d", n);
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for (i = 0; i < n; ++i) { printf(" x%02x", buf[i]); }
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printf("\n");
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return n;
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}
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#include "sim.h"
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int main(int argc, char *argv[])
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{
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unsigned char buf[BUFSIZE];
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int fd = openPort(argv[1]);
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while (1)
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{
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int bytes = _getmyline(fd, buf);
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if (bytes == 0)
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{
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continue;
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}
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switch (buf[5])
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{
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case 0x07: printf("PTT=%d\n", buf[6]); write(fd, buf, 9); break;
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case 0x0c: printf("Power=%d\n", buf[6]); break;
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default: printf("Unknown cmd=%02x\n", buf[4]);
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}
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}
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return 0;
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}
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