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simple sx8 status info tool

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none 2021-03-18 14:02:26 +01:00
parent a6c3b82f83
commit 91af1be97e
1 changed files with 123 additions and 0 deletions
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apps/sx8info.c Normal file
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#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <linux/types.h>
#include <getopt.h>
typedef uint8_t u8;
typedef uint16_t u16;
typedef int16_t s16;
typedef uint32_t u32;
typedef uint64_t u64;
#include "../ddbridge/ddbridge-mci.h"
#include "../ddbridge/ddbridge-ioctl.h"
char *Rolloff[8] = {
"0.35",
"0.25",
"0.20",
"0.10",
"0.05",
"0.15",
"rsvd",
"rsvd",
};
void print_info(struct mci_result *res)
{
if (res->status == MCI_DEMOD_STOPPED) {
printf("Demod stopped\n");
return;
}
switch (res->mode) {
case 0:
case M4_MODE_DVBSX:
if (res->dvbs2_signal_info.standard == 2) {
printf("PLS-Code: %u\n", res->dvbs2_signal_info.pls_code);
printf("Roll-Off: %s\n", Rolloff[res->dvbs2_signal_info.roll_off]);
printf("Inversion: %s\n", (res->dvbs2_signal_info.roll_off & 0x80) ? "on": "off");
printf("Frequency: %u Hz\n", res->dvbs2_signal_info.frequency);
printf("Symbol Rate: %u Symbols/s\n", res->dvbs2_signal_info.symbol_rate);
printf("Channel Power: %.2f dBm\n", (float) res->dvbs2_signal_info.channel_power / 100);
printf("Band Power: %.2f dBm\n", (float) res->dvbs2_signal_info.band_power / 100);
printf("SNR: %.2f dB\n", (float) res->dvbs2_signal_info.signal_to_noise / 100);
printf("Packet Errors: %u\n", res->dvbs2_signal_info.packet_errors);
printf("BER Numerator: %u\n", res->dvbs2_signal_info.ber_numerator);
printf("BER Denom.: %u\n", res->dvbs2_signal_info.ber_denominator);
printf("\n");
} else {
}
}
}
int mci_info(int dev, uint8_t demod)
{
struct ddb_mci_msg msg = {
.link = 0,
.cmd.command = MCI_CMD_GETSIGNALINFO,
.cmd.demod = demod
};
int ret;
int i;
ret = ioctl(dev, IOCTL_DDB_MCI_CMD, &msg);
if (ret < 0) {
printf("%d %d\n", ret, errno);
return ret;
}
print_info(&msg.res);
return ret;
}
int main(int argc, char*argv[])
{
int fd = -1;
char fn[128];
uint32_t device = 0;
uint8_t demod = 0;
while (1) {
int cur_optind = optind ? optind : 1;
int option_index = 0;
int c;
static struct option long_options[] = {
{"device", required_argument, 0, 'd'},
{"demod", required_argument, 0, 'n'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, "d:n:",
long_options, &option_index);
if (c == -1)
break;
switch (c) {
case 'd':
device = strtoul(optarg, NULL, 0);
break;
case 'n':
demod = strtoul(optarg, NULL, 0);
break;
default:
break;
}
}
if (optind < argc) {
printf("too many arguments\n");
exit(1);
}
snprintf(fn, 127, "/dev/ddbridge/card%u", device);
fd = open(fn, O_RDWR);
if (fd < 0)
return -1;
mci_info(fd, demod);
}