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https://github.com/DigitalDevices/dddvb.git
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add modulator MCI commands
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parent
f12fe91b51
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2311b94970
268
apps/modconfig.c
Normal file
268
apps/modconfig.c
Normal file
@ -0,0 +1,268 @@
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <linux/types.h>
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#include <getopt.h>
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#include <ctype.h>
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef int16_t s16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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#include "../ddbridge/ddbridge-mci.h"
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#include "../ddbridge/ddbridge-ioctl.h"
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struct mconf {
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int set_output;
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int set_channels;
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int fd;
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struct mci_command channels;
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struct mci_command stream;
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struct mci_command output;
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};
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void strim(char *s)
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{
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int l = strlen(s);
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while (l && isspace(s[l-1]))
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l--;
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s[l] = 0;
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}
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void parse(char *fname, char *sec, void *priv, void (*cb)(void *, char *, char *))
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{
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char line[256], csec[80], par[80], val[80], *p;
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FILE *f;
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if ((f = fopen(fname, "r")) == NULL)
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return;
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while ((p = fgets(line, sizeof(line), f))) {
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if (*p == '\r' || *p == '\n' || *p == '#')
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continue;
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if (*p == '[') {
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if ((p = strtok(line + 1, "]")) == NULL)
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continue;
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strncpy(csec, p, sizeof(csec));
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if (!strcmp(sec, csec) && cb)
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cb(priv, NULL, NULL);
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continue;
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}
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if (!(p = strtok(line, "=")))
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continue;
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while (isspace(*p))
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p++;
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strncpy(par, p, sizeof(par));
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strim(par);
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if (!(p = strtok(NULL, "=")))
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continue;
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while (isspace(*p))
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p++;
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strncpy (val, p, sizeof(val));
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strim(val);
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if (!strcmp(sec, csec) && cb)
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cb(priv, par, val);
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}
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if (!strcmp(sec, csec) && cb)
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cb(priv, NULL, NULL);
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fclose(f);
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}
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int mci_cmd(int dev, struct mci_command *cmd)
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{
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int ret;
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struct ddb_mci_msg msg;
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msg.link = 0;
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memcpy(&msg.cmd, cmd, sizeof(msg.cmd));
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ret = ioctl(dev, IOCTL_DDB_MCI_CMD, &msg);
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if (ret < 0) {
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printf("mci_cmd error %d\n", errno);
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return ret;
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}
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return ret;
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}
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struct mci_command msg_channels = {
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.mod_command = MOD_SETUP_CHANNELS,
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.mod_channel = 0,
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.mod_stream = 0,
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.mod_setup_channels[0] = {
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.flags = MOD_SETUP_FLAG_FIRST|MOD_SETUP_FLAG_LAST|MOD_SETUP_FLAG_VALID,
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.standard = MOD_STANDARD_DVBT_8,
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.num_channels = 25,
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.frequency = 474000000,
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},
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};
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struct mci_command msg_stream = {
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.mod_command = MOD_SETUP_STREAM,
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.mod_channel = 1,
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.mod_stream = 0,
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.mod_setup_stream = {
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.standard = MOD_STANDARD_DVBT_8,
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.fft_size = 1,
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.guard_interval = 0,
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},
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};
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struct mci_command msg_output = {
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.mod_command = MOD_SETUP_OUTPUT,
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.mod_channel = 0,
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.mod_stream = 0,
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.mod_setup_output = {
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.connector = MOD_CONNECTOR_F,
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.num_channels = 16,
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.unit = MOD_UNIT_DBUV,
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.channel_power = 5000,
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},
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};
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void output_cb(void *priv, char *par, char *val)
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{
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struct mconf *mc = (struct mconf *) priv;
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if (!par && !val) {
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mc->set_output = 1;
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return;
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}
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if (!strcasecmp(par, "connector")) {
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if (!strcasecmp(val, "F")) {
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mc->output.mod_setup_output.connector = MOD_CONNECTOR_F;
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} else if (!strcasecmp(val, "SMA")) {
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mc->output.mod_setup_output.connector = MOD_CONNECTOR_SMA;
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} else if (!strcasecmp(val, "OFF")) {
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mc->output.mod_setup_output.connector = MOD_CONNECTOR_OFF;
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} else
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printf("invalid connector\n");
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} else if (!strcasecmp(par, "power")) {
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mc->output.mod_setup_output.channel_power = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "channels")) {
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mc->output.mod_setup_output.num_channels = strtol(val, NULL, 10);
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}else if (!strcasecmp(par, "unit")) {
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if (!strcasecmp(val, "DBUV")) {
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mc->output.mod_setup_output.unit = MOD_UNIT_DBUV;
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} else if (!strcasecmp(val, "DBM")) {
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mc->output.mod_setup_output.unit = MOD_UNIT_DBM;
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} else
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printf("invalid unit\n");
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} else
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printf("invalid output parameter: %s\n", par);
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}
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void channels_cb(void *priv, char *par, char *val)
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{
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struct mconf *mc = (struct mconf *) priv;
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if (!par && !val) {
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mc->set_channels = 1;
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return;
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}
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if (!strcasecmp(par, "frequency")) {
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mc->channels.mod_setup_channels[0].frequency = strtol(val, NULL, 10);
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printf("frequency = %u\n", mc->channels.mod_setup_channels[0].frequency);
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} else if (!strcasecmp(par, "channels")) {
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mc->channels.mod_setup_channels[0].num_channels = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "standard")) {
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mc->channels.mod_setup_channels[0].standard = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "offset")) {
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mc->channels.mod_setup_channels[0].offset = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "bandwidth")) {
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mc->channels.mod_setup_channels[0].bandwidth = strtol(val, NULL, 10);
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mc->channels.mod_setup_channels[0].offset =
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mc->channels.mod_setup_channels[0].bandwidth / 2;
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} else
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printf("invalid channels parameter: %s\n", par);
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}
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void streams_cb(void *priv, char *par, char *val)
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{
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struct mconf *mc = (struct mconf *) priv;
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if (!par && !val) {
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return;
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}
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if (!strcasecmp(par, "fft_size")) {
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mc->stream.mod_setup_stream.fft_size = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "guard_interval")) {
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mc->stream.mod_setup_stream.guard_interval = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "standard")) {
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mc->stream.mod_setup_stream.standard = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "stream_format")) {
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mc->stream.mod_setup_stream.stream_format = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "symbol_rate")) {
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mc->stream.mod_setup_stream.symbol_rate = strtol(val, NULL, 10);
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} else if (!strcasecmp(par, "stream")) {
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mc->stream.mod_stream = strtol(val, NULL, 10);
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printf("set stream %u to channel %u\n", mc->stream.mod_stream, mc->stream.mod_channel);
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mci_cmd(mc->fd, &mc->stream);
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} else if (!strcasecmp(par, "channel")) {
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mc->stream.mod_channel = strtol(val, NULL, 10);
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} else
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printf("invalid streams parameter: %s\n", par);
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}
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int main(int argc, char*argv[])
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{
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int fd = -1;
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char fn[128];
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uint32_t device = 0;
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uint32_t frequency = 0;
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char *configname = "modulator.conf";
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struct mconf mc;
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memset(&mc, 0, sizeof(mc));
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mc.channels = msg_channels;
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mc.stream = msg_stream;
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mc.output = msg_output;
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while (1) {
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int cur_optind = optind ? optind : 1;
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int option_index = 0;
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int c;
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static struct option long_options[] = {
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{"device", required_argument, 0, 'd'},
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{"config", required_argument, 0, 'c'},
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{0, 0, 0, 0}
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};
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c = getopt_long(argc, argv, "d:c:",
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long_options, &option_index);
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if (c == -1)
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break;
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switch (c) {
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case 'd':
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device = strtoul(optarg, NULL, 0);
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break;
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case 'c':
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configname = optarg;
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break;
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default:
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break;
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}
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}
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if (optind < argc) {
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printf("too many arguments\n");
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exit(1);
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}
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snprintf(fn, 127, "/dev/ddbridge/card%u", device);
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fd = open(fn, O_RDWR);
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if (fd < 0)
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return -1;
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mc.fd = fd;
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parse(configname, "output", (void *) &mc, output_cb);
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if (mc.set_output)
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mci_cmd(fd, &mc.output);
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parse(configname, "channels", (void *) &mc, channels_cb);
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if (mc.set_channels)
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mci_cmd(fd, &mc.channels);
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parse(configname, "streams", (void *) &mc, streams_cb);
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}
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@ -185,6 +185,60 @@
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#define MCI_SUCCESS(status) ((status & MCI_STATUS_UNSUPPORTED) == 0)
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/********************************************************/
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#define MOD_SETUP_CHANNELS (0x60)
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#define MOD_SETUP_OUTPUT (0x61)
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#define MOD_SETUP_STREAM (0x62)
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#define MOD_SETUP_FLAG_FIRST (0x01)
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#define MOD_SETUP_FLAG_LAST (0x02)
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#define MOD_SETUP_FLAG_VALID (0x80)
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#define MOD_STANDARD_GENERIC (0x00)
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#define MOD_STANDARD_DVBT_8 (0x01)
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#define MOD_STANDARD_DVBT_7 (0x02)
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#define MOD_STANDARD_DVBT_6 (0x03)
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#define MOD_CONNECTOR_OFF (0x00)
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#define MOD_CONNECTOR_F (0x01)
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#define MOD_CONNECTOR_SMA (0x02)
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#define MOD_UNIT_DBUV (0x00)
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#define MOD_UNIT_DBM (0x01)
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#define MOD_FORMAT_DEFAULT (0x00)
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#define MOD_FORMAT_IQ16 (0x01)
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#define MOD_FORMAT_IQ8 (0x02)
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#define MOD_FORMAT_IDX8 (0x03)
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#define MOD_FORMAT_TS (0x04)
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struct mod_setup_channels {
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u8 flags;
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u8 standard;
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u8 num_channels;
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u8 rsvd;
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u32 frequency;
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u32 offset; /* used only when Standard == 0 */
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u32 bandwidth; /* used only when Standard == 0 */
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};
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struct mod_setup_stream {
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u8 standard;
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u8 stream_format;
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u8 rsvd[2];
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u32 symbol_rate; /* only used when Standard doesn't define a fixed symbol rate */
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u8 fft_size; /* 0 = 2K, 1 = 8K (2K yet supported) */
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u8 guard_interval; /* 0 = 1/32, 1 = 1/16, 2 = 1/8, 3 = 1/4 (DVB-T Encoding) */
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};
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struct mod_setup_output {
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u8 connector; /* 0 = OFF, 1 = F, 2 = SMA */
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u8 num_channels; /* max active channels, determines max power for each channel. */
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u8 unit; /* 0 = dBµV, 1 = dBm, */
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u8 rsvd;
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s16 channel_power;
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};
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/********************************************************/
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@ -197,6 +251,12 @@ struct mci_command {
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u8 demod;
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u8 output;
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};
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struct {
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u8 mod_command;
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u8 mod_channel;
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u8 mod_stream;
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u8 mod_rsvd1;
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};
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};
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union {
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u32 params[31];
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@ -344,6 +404,10 @@ struct mci_command {
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struct {
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u8 select; // 0 = Data PLP, 1 = Common PLP, only DVB-T2 and DVB-C2
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} get_bb_header;
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struct mod_setup_channels mod_setup_channels[4];
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struct mod_setup_stream mod_setup_stream;
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struct mod_setup_output mod_setup_output;
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};
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};
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