561 lines
18 KiB
C
561 lines
18 KiB
C
/*
|
|
* Copyright (C) 2009, 2010 by Nicole Faerber <nicole.faerber@dpin.de>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
#include <fcntl.h>
|
|
#include <limits.h>
|
|
|
|
#include <sqlite3.h>
|
|
|
|
#include "rds.h"
|
|
#include "rds_consts.h"
|
|
#include "tmc.h"
|
|
|
|
//#define DEBUG 1
|
|
|
|
|
|
static struct rds_info_s rds_info;
|
|
static struct tm rds_time;
|
|
|
|
static struct _RDS_Private {
|
|
void (*rds_PI_cb)(unsigned short PI, unsigned char ccode, unsigned char ptype, unsigned char pref, void *user_data);
|
|
void *rds_PI_cb_data;
|
|
void (*rds_sname_cb)(char *sname, void *user_data);
|
|
void *rds_sname_cb_data;
|
|
void (*rds_sinfo_cb)(unsigned char TP, unsigned char TA, unsigned char MS, unsigned char PTY, void *user_data);
|
|
void *rds_sinfo_cb_data;
|
|
void (*rds_radiotext_cb)(char *radio_text, void *user_data);
|
|
void *rds_radiotext_cb_data;
|
|
void (*rds_date_time_cb)(struct tm *dtime, void *user_data);
|
|
void *rds_date_time_cb_data;
|
|
void (*rds_afinfo_cb)(unsigned char cnt, double *AF, void *user_data);
|
|
void *rds_afinfo_cb_data;
|
|
} _rds_private;
|
|
|
|
void rds_init(void) {
|
|
memset(&_rds_private, 0, sizeof(struct _RDS_Private));
|
|
}
|
|
|
|
void rds_set_PI_cb(void (*rds_PI_cb)(unsigned short PI, unsigned char ccode, unsigned char ptype, unsigned char pref, void *user_data), void *user_data)
|
|
{
|
|
_rds_private.rds_PI_cb = rds_PI_cb;
|
|
_rds_private.rds_PI_cb_data = user_data;
|
|
}
|
|
|
|
void rds_set_sname_cb(void (*rds_sname_cb)(char *sname, void *user_data), void *user_data)
|
|
{
|
|
_rds_private.rds_sname_cb = rds_sname_cb;
|
|
_rds_private.rds_sname_cb_data = user_data;
|
|
}
|
|
|
|
void rds_set_sinfo_cb(void (*rds_sinfo_cb)(unsigned char TP, unsigned char TA, unsigned char MS, unsigned char PTY, void *user_data), void *user_data)
|
|
{
|
|
_rds_private.rds_sinfo_cb = rds_sinfo_cb;
|
|
_rds_private.rds_sinfo_cb_data = user_data;
|
|
}
|
|
|
|
void rds_set_afinfo_cb(void (*rds_afinfo_cb)(unsigned char cnt, double *AF, void *user_data), void *user_data)
|
|
{
|
|
_rds_private.rds_afinfo_cb = rds_afinfo_cb;
|
|
_rds_private.rds_afinfo_cb_data = user_data;
|
|
}
|
|
|
|
void rds_set_radiotext_cb(void (*rds_radiotext_cb)(char *radio_text, void *user_data), void *user_data)
|
|
{
|
|
_rds_private.rds_radiotext_cb = rds_radiotext_cb;
|
|
_rds_private.rds_radiotext_cb_data = user_data;
|
|
}
|
|
|
|
void rds_set_date_time_cb(void (*rds_date_time_cb)(struct tm *dtime, void *user_data), void *user_data)
|
|
{
|
|
_rds_private.rds_date_time_cb = rds_date_time_cb;
|
|
_rds_private.rds_date_time_cb_data = user_data;
|
|
}
|
|
|
|
|
|
int rds_receive_group(int rds_fd, unsigned short *rdsgroup)
|
|
{
|
|
static unsigned char expected = 0;
|
|
int rb;
|
|
unsigned char rbuf[3];
|
|
unsigned short block;
|
|
unsigned char offset;
|
|
|
|
rb = read(rds_fd, rbuf, 3);
|
|
if (rb <= 0)
|
|
return 0;
|
|
if (rb != 3) {
|
|
printf("#read err rb=%d\n", rb);
|
|
return 0;
|
|
}
|
|
block = rbuf[0] | (rbuf[1] << 8);
|
|
offset = rbuf[2] & 0x07;
|
|
|
|
if (rbuf[2] & 0x80) {
|
|
if (OutputFlags & RDS_RECEIVE_INDICATOR)
|
|
printf("E");
|
|
} else {
|
|
// printf("group block=0x%04x offs=0x%02x\n", block, offset);
|
|
if (offset != expected) {
|
|
if (OutputFlags & RDS_RECEIVE_INDICATOR)
|
|
printf("block out of sync - resetting\n");
|
|
expected = 0;
|
|
memset(rdsgroup, 0, sizeof(rdsgroup));
|
|
} else {
|
|
rdsgroup[offset] = block;
|
|
expected++;
|
|
if (expected >= 4) {
|
|
expected = 0;
|
|
if (OutputFlags & RDS_RECEIVE_INDICATOR)
|
|
printf(".\n");
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
if (OutputFlags & RDS_RECEIVE_INDICATOR)
|
|
printf(".");
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
enum RDSGroupType { GROUP_0A=0, GROUP_0B, GROUP_1A, GROUP_1B, GROUP_2A, GROUP_2B,
|
|
GROUP_3A, GROUP_3B, GROUP_4A, GROUP_4B, GROUP_5A, GROUP_5B,
|
|
GROUP_6A, GROUP_6B, GROUP_7A, GROUP_7B, GROUP_8A, GROUP_8B,
|
|
GROUP_9A, GROUP_9B, GROUP_10A, GROUP_10B, GROUP_11A, GROUP_11B,
|
|
GROUP_12A, GROUP_12B, GROUP_13A, GROUP_13B, GROUP_14A, GROUP_14B,
|
|
GROUP_15A, GROUP_15B, GROUP_UNKNOWN };
|
|
|
|
void rds_radio_retuned(void)
|
|
{
|
|
memset(&rds_info, 0, sizeof(rds_info));
|
|
rds_info.LTN = -1;
|
|
memset(&rds_time, 0, sizeof(rds_time));
|
|
}
|
|
|
|
void rds_decode_group(unsigned short *rdsgroup)
|
|
{
|
|
static unsigned short ogrp[4];
|
|
static unsigned char grp_decoded = 0;
|
|
static unsigned char sname_rcvd = 0;
|
|
unsigned char grp_type = (rdsgroup[1] >> 11);
|
|
unsigned char offs;
|
|
static unsigned char otextAB = 0, newtext = 0;
|
|
unsigned short PI = rdsgroup[0];
|
|
unsigned char textAB = 0;
|
|
int local_time_off = 0;
|
|
int day_code = 0;
|
|
int year_, mon_, K;
|
|
|
|
/* we want to wait for at least two identical group transmits */
|
|
if (ogrp[0] != rdsgroup[0] || ogrp[1] != rdsgroup[1] || ogrp[2] != rdsgroup[2] || ogrp[3] != rdsgroup[3]) {
|
|
ogrp[0] = rdsgroup[0];
|
|
ogrp[1] = rdsgroup[1];
|
|
ogrp[2] = rdsgroup[2];
|
|
ogrp[3] = rdsgroup[3];
|
|
//printf("grp: 0x%04x 0x%04x 0x%04x 0x%04x\n", rdsgroup[0], rdsgroup[1], rdsgroup[2], rdsgroup[3]);
|
|
grp_decoded = 0;
|
|
return;
|
|
}
|
|
if (grp_decoded)
|
|
return;
|
|
|
|
if (rds_info.PI != PI) {
|
|
/* station change? */
|
|
memset(&rds_info, 0, sizeof(rds_info));
|
|
rds_info.LTN = -1;
|
|
memset(&rds_time, 0, sizeof(rds_time));
|
|
rds_info.ccode = (PI & 0xf000) >> 12;
|
|
rds_info.ptype = (PI & 0x0f00) >> 8;
|
|
rds_info.pref = (PI & 0x00ff);
|
|
sname_rcvd = 0;
|
|
if (rds_info.pref == 0) /* something is wrong here */
|
|
return;
|
|
rds_info.PI = rdsgroup[0];
|
|
if (_rds_private.rds_PI_cb != NULL)
|
|
_rds_private.rds_PI_cb(rds_info.PI, rds_info.ccode, rds_info.ptype, rds_info.pref, _rds_private.rds_PI_cb_data);
|
|
if (OutputFlags & RDS_OUTPUT_RDSINFO)
|
|
printf("PI=%d ccode=%X ptype=%X '%s' '%s' pref=%d\n", rds_info.PI, rds_info.ccode, rds_info.ptype, ptype_stext[rds_info.ptype], ptype_ltext[rds_info.ptype], rds_info.pref);
|
|
}
|
|
|
|
switch (grp_type) {
|
|
case GROUP_0A: { /* basic switching and tuning */
|
|
unsigned char AFc1, AFc2;
|
|
float AF1=0, AF2=0;
|
|
|
|
offs = (rdsgroup[1] & 0x03);
|
|
if (offs == 0)
|
|
sname_rcvd = 0;
|
|
if (offs == 1 && sname_rcvd == 0)
|
|
sname_rcvd = 1;
|
|
if (offs == 2 && sname_rcvd == 1)
|
|
sname_rcvd = 2;
|
|
if (offs == 3 && sname_rcvd == 2)
|
|
sname_rcvd = 3;
|
|
rds_info.sname[offs*2] = ((rdsgroup[3] & 0xff00) >> 8);
|
|
rds_info.sname[(offs*2)+1] = rdsgroup[3] & 0x00ff;
|
|
if (_rds_private.rds_sname_cb != NULL && sname_rcvd == 3) {
|
|
_rds_private.rds_sname_cb(rds_info.sname, _rds_private.rds_sname_cb_data);
|
|
sname_rcvd = 0;
|
|
}
|
|
|
|
rds_info.TA = (rdsgroup[1] & 0x10) >> 4;
|
|
rds_info.TP = (rdsgroup[1] & 0x400) >> 10;
|
|
rds_info.MS = (rdsgroup[1] & 0x08) >> 3;
|
|
rds_info.PTY = (rdsgroup[1] & 0x3e0) >> 5;
|
|
if (_rds_private.rds_sinfo_cb != NULL)
|
|
_rds_private.rds_sinfo_cb(rds_info.TP, rds_info.TA, rds_info.MS, rds_info.PTY, _rds_private.rds_sinfo_cb_data);
|
|
|
|
AFc1 = ((rdsgroup[2] & 0xff00) >> 8);
|
|
AFc2 = (rdsgroup[2] & 0x00ff);
|
|
if (AFc1 > 225 && AFc1 < 250) {
|
|
if (OutputFlags & RDS_OUTPUT_STATION_ID)
|
|
printf(" %d AFs follow:\n", AFc1-224);
|
|
} else if (AFc1 > 0 && AFc1 < 205)
|
|
AF1 = (float)87.5 + ((float)AFc1 * .1);
|
|
else if (AFc1 == 205)
|
|
printf(" filler- \n");
|
|
if (AFc2 > 0 && AFc2 < 205)
|
|
AF2 = (float)87.5 + ((float)AFc2 * .1);
|
|
|
|
if (OutputFlags & RDS_OUTPUT_STATION_ID)
|
|
printf("sname = '%s' %s %s %s AF1=%3.2f AF2=%3.2f PTY='%s'\n", rds_info.sname, rds_info.TP ? "TP" : "", rds_info.TA ? "TA" : "", rds_info.MS ? "M" : "S", AF1, AF2, PTY_text[rds_info.PTY]);
|
|
}
|
|
break;
|
|
case GROUP_0B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("group 0B\n");
|
|
break;
|
|
case GROUP_1A: { /* Programme Item Number and slow labelling codes */
|
|
unsigned char variant, day, hour, minute;
|
|
unsigned short tmc_id;
|
|
|
|
variant = (rdsgroup[2] & (0x07 << 12)) >> 12;
|
|
day = (rdsgroup[3] & (0x1f << 11)) >> 11;
|
|
hour = (rdsgroup[3] & (0x1f << 6)) >> 6;
|
|
minute = (rdsgroup[3] & 0x3f);
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("1A var=%d day=%d %d:%d ", variant, day, hour, minute);
|
|
if (variant == 0) {
|
|
rds_info.ECC = (rdsgroup[2] & 0xff);
|
|
printf(" ccode=%d ECC=0x%02x '%s' ", rds_info.ccode, rds_info.ECC, ECC_text[((rds_info.ECC & 0x0f)*16)+(rds_info.ccode-1)]);
|
|
}
|
|
if (variant == 1) {
|
|
tmc_id = (rdsgroup[2] & 0x0fff);
|
|
printf(" TMC ID=0x%04x", tmc_id);
|
|
}
|
|
if (variant == 2) {
|
|
printf(" Paging ID=0x%04x", (rdsgroup[2] & 0x0fff));
|
|
}
|
|
if (variant == 3) {
|
|
rds_info.lang_code = (rdsgroup[2] & 0xff);
|
|
printf(" language=0x%02x ", rds_info.lang_code);
|
|
switch (rds_info.lang_code) {
|
|
case 0x03:
|
|
printf("Catalan ");
|
|
break;
|
|
case 0x08:
|
|
printf("German ");
|
|
break;
|
|
case 0x0a:
|
|
printf("Spanish ");
|
|
break;
|
|
case 0x15:
|
|
printf("Italian ");
|
|
break;
|
|
case 0x18:
|
|
printf("Latvian ");
|
|
break;
|
|
case 0x1d:
|
|
printf("Dutch ");
|
|
break;
|
|
case 0x27:
|
|
printf("Finnish ");
|
|
break;
|
|
default:
|
|
printf("unknown ");
|
|
break;
|
|
};
|
|
}
|
|
if (variant == 7) {
|
|
printf(" EWS Channel ID=0x%04x", (rdsgroup[2] & 0x0fff));
|
|
}
|
|
printf("\n");
|
|
} break;
|
|
case GROUP_1B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("group 1B\n");
|
|
break;
|
|
case GROUP_2A: /* 2A has 64 chars, 4 per group */
|
|
case GROUP_2B: /* 2B has 32 chars, 2 per group */
|
|
offs = (rdsgroup[1] & 0x0f);
|
|
textAB = (rdsgroup[1] & 0x10);
|
|
if (textAB != otextAB) {
|
|
memset(rds_info.rtext, ' ', 64);
|
|
rds_info.rtext[64] = '\0';
|
|
}
|
|
otextAB = textAB;
|
|
if (grp_type == GROUP_2A) {
|
|
rds_info.rtext[offs*4] = ((rdsgroup[2] & 0xff00) >> 8);
|
|
rds_info.rtext[(offs*4)+1] = (rdsgroup[2] & 0x00ff);
|
|
rds_info.rtext[(offs*4)+2] = ((rdsgroup[3] & 0xff00) >> 8);
|
|
rds_info.rtext[(offs*4)+3] = (rdsgroup[3] & 0x00ff);
|
|
} else {
|
|
rds_info.rtext[offs*2] = ((rdsgroup[3] & 0xff00) >> 8);
|
|
rds_info.rtext[(offs*2)+1] = (rdsgroup[3] & 0x00ff);
|
|
}
|
|
if (offs == 0) /* new text always starts at 0 */
|
|
newtext = 1;
|
|
if ((offs == 15)) { /* all parts received */
|
|
if (newtext == 1) {
|
|
if (_rds_private.rds_radiotext_cb != NULL)
|
|
_rds_private.rds_radiotext_cb(rds_info.rtext, _rds_private.rds_radiotext_cb_data);
|
|
if (OutputFlags & RDS_OUTPUT_RADIO_TEXT)
|
|
printf("RT '%s'\n", rds_info.rtext);
|
|
newtext = 0;
|
|
}
|
|
}
|
|
break;
|
|
case GROUP_3A: /* ODA - TMC alarm, */
|
|
rds_info.AID = rdsgroup[3];
|
|
/* TMC AID */
|
|
if (rds_info.AID == 0xcd46 || rds_info.AID == 0x0d45) {
|
|
if ((rdsgroup[2] & 0xc000) == 0) {
|
|
rds_info.LTN = (rdsgroup[2] & 0x0fc0) >> 6;
|
|
rds_info.AFI = (rdsgroup[2] & 0x0020) >> 5;
|
|
rds_info.M = (rdsgroup[2] & 0x0010) >> 4;
|
|
rds_info.I = (rdsgroup[2] & 0x0008) >> 3;
|
|
rds_info.N = (rdsgroup[2] & 0x0004) >> 2;
|
|
rds_info.R = (rdsgroup[2] & 0x0002) >> 1;
|
|
rds_info.U = (rdsgroup[2] & 0x0001);
|
|
}
|
|
if (rdsgroup[2] & 0x4000) {
|
|
/* SID */
|
|
if (rds_info.M) {
|
|
rds_info.G = (rdsgroup[2] & 0x3000) >> 12;
|
|
rds_info.Ta = (rdsgroup[2] & 0x0030) >> 4;
|
|
rds_info.Tw = (rdsgroup[2] & 0x000c) >> 2;
|
|
rds_info.Td = (rdsgroup[2] & 0x0003);
|
|
} else {
|
|
}
|
|
}
|
|
if (OutputFlags & RDS_OUTPUT_RDSINFO) {
|
|
printf("AID = 0x%04x\n", rds_info.AID);
|
|
printf("LTN ID = %d (0x%02x)\n", rds_info.LTN, rds_info.LTN);
|
|
printf("Traffic information: ");
|
|
if (rds_info.I)
|
|
printf("international ");
|
|
if (rds_info.N)
|
|
printf("national ");
|
|
if (rds_info.R)
|
|
printf("regional ");
|
|
if (rds_info.U)
|
|
printf("urban ");
|
|
printf("\n");
|
|
}
|
|
} else if (rds_info.AID == 0x4bd7) {
|
|
if (OutputFlags & RDS_OUTPUT_RDSINFO) {
|
|
printf("RT+\nG2 = 0x%04x\n", rdsgroup[2]);
|
|
printf("template = 0x%02x\n", (rdsgroup[2] & 0x00ff));
|
|
printf("SCB = 0x%02x\n", (rdsgroup[2] & 0x0f00)>>8);
|
|
printf("CB = 0x%02x\n", (rdsgroup[2] & 0x1000)>>12);
|
|
printf("rfu = 0x%02x\n", (rdsgroup[2] & 0xe000)>>13);
|
|
}
|
|
} else {
|
|
printf("3A AID=0x%04x\n", rds_info.AID);
|
|
}
|
|
break;
|
|
case GROUP_3B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("group 3B\n");
|
|
break;
|
|
case GROUP_4A:
|
|
//printf("group 4A - time/date\n");
|
|
rds_time.tm_sec = 0; // date/time message is sent at 00 secs +/- .2sec
|
|
rds_time.tm_min = ((rdsgroup[3] & (0x3f << 6)) >> 6);
|
|
rds_time.tm_hour = ((rdsgroup[3] & (0x0f << 12)) >> 12) | ((rdsgroup[2] & 0x01) << 4);
|
|
local_time_off = (rdsgroup[3] & 0x0f) * ((rdsgroup[3] & 0x10) ? -1 : 1);
|
|
rds_time.tm_hour += local_time_off / 2;
|
|
rds_time.tm_min = (rds_time.tm_min + ((local_time_off % 2) * 30)) % 60;
|
|
|
|
day_code = (((rdsgroup[2] & 0xfffe) >> 1) | ((rdsgroup[1] & 0x03) << 15)) /*+ local_time_off*/;
|
|
|
|
year_ = ((float)day_code - 15078.2) / 365.25;
|
|
mon_ = ((day_code - 14956.1) - (int)(year_ * 365.25)) / 30.6001;
|
|
rds_time.tm_mday = day_code - 14956 - (int)(year_ * 365.25) - (int)(mon_ * 30.6001);
|
|
if (mon_ == 14 || mon_ == 15)
|
|
K = 1;
|
|
else
|
|
K = 0;
|
|
rds_time.tm_year = year_ + K;
|
|
rds_time.tm_mon = mon_ - 1 - (K * 12) - 1;
|
|
|
|
rds_time.tm_isdst = -1;
|
|
|
|
if (_rds_private.rds_date_time_cb != NULL)
|
|
_rds_private.rds_date_time_cb(&rds_time, _rds_private.rds_date_time_cb_data);
|
|
|
|
if (OutputFlags & RDS_OUTPUT_DATETIME)
|
|
printf("%s", asctime(&rds_time));
|
|
#ifdef DEBUG
|
|
printf("%d:%02d - local time offset = %d, %s (dcode = %d)\n", rds_time.tm_hour, rds_time.tm_min, local_time_off, asctime(&rds_time), day_code);
|
|
#endif
|
|
//printf("day=%d month=%d year=%d\n", day, mon, year);
|
|
break;
|
|
case GROUP_4B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP4B\n");
|
|
break;
|
|
case GROUP_5A:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP5A\n");
|
|
break;
|
|
case GROUP_5B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP5B\n");
|
|
break;
|
|
case GROUP_6A:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP6A\n");
|
|
break;
|
|
case GROUP_6B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP6B\n");
|
|
break;
|
|
case GROUP_7A:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP7A\n");
|
|
break;
|
|
case GROUP_7B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP7B\n");
|
|
break;
|
|
case GROUP_8A:
|
|
if (rds_info.LTN != 0) // non TMCpro
|
|
decode_tmc(rdsgroup);
|
|
if (rds_info.LTN == 0)
|
|
printf("TMCpro\n");
|
|
break;
|
|
case GROUP_8B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP8B\n");
|
|
break;
|
|
case GROUP_9A:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP9A\n");
|
|
break;
|
|
case GROUP_9B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP9B\n");
|
|
break;
|
|
case GROUP_10A:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP10A\n");
|
|
break;
|
|
case GROUP_10B:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP10B\n");
|
|
break;
|
|
case GROUP_11A: /* Open Data Application ODA */
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP11A ODA: #1=0x%02x #2=0x%04x #3=0x%04x\n", rdsgroup[1] & 0x1f, rdsgroup[2], rdsgroup[3]);
|
|
|
|
/* we previously got an RT+ identifier, try RT+ decoding */
|
|
if (rds_info.AID == 0x4bd7) {
|
|
printf("RT+\ntoggle: %s\n", (rdsgroup[1] & 0x10) ? "yes" : "no");
|
|
printf("item running : %s\n", (rdsgroup[1] & 0x08) ? "yes" : "no");
|
|
printf("content type 1 : %d\n", (rdsgroup[1] & 0x07) << 3 | (rdsgroup[2] & 0x0e00) >> 13);
|
|
printf("start marker 1 : %d\n", (rdsgroup[2] & 0x1f80) >> 7);
|
|
printf("length marker 1: %d\n", (rdsgroup[2] & 0x007e) >> 1);
|
|
printf("content type 2 : %d\n", (rdsgroup[1] & 0x01) << 4);
|
|
printf("start marker 2 : %d\n", (rdsgroup[2] & 0x07e0) >> 5);
|
|
printf("length marker 2: %d\n", (rdsgroup[2] & 0x001f));
|
|
}
|
|
break;
|
|
case GROUP_11B: /* Open Data Application ODA */
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP11B\n");
|
|
printf("11B ODA: #1=0x%02x PI=0x%04x #3=0x%04x\n", rdsgroup[1] & 0x1f, rdsgroup[2], rdsgroup[3]);
|
|
break;
|
|
case GROUP_12A: /* Open Data Application ODA */
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP12A\n");
|
|
break;
|
|
case GROUP_12B: /* Open Data Application ODA */
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP12B\n");
|
|
break;
|
|
case GROUP_13A: /* Open Data Application ODA or paging */
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP13A\n");
|
|
break;
|
|
case GROUP_13B: /* Open Data Application ODA */
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP13B\n");
|
|
break;
|
|
case GROUP_14A: /* EON */ {
|
|
unsigned char variant = rdsgroup[1] & 0x0f;
|
|
unsigned char AFc1=0, AFc2=0;
|
|
float AF1=0, AF2=0;
|
|
unsigned short PI;
|
|
|
|
rds_info.PTY = (rdsgroup[1] & 0x3e0) >> 5;
|
|
rds_info.TPTN = (rdsgroup[1] & 0x400) >> 10;
|
|
rds_info.TPON = (rdsgroup[1] & 0x10) >> 4;
|
|
PI = rdsgroup[3];
|
|
|
|
if (variant <= 3) { // PS
|
|
rds_info.PS[variant*2] = ((rdsgroup[2] & 0xff00) >> 8);
|
|
rds_info.PS[(variant*2)+1] = (rdsgroup[2] & 0x00ff);
|
|
} else if (variant == 4) {
|
|
printf("EON variant 4\n");
|
|
} else if (variant >= 5 && variant <= 8) { // AF - alternate frequency
|
|
AFc1 = ((rdsgroup[2] & 0xff00) >> 8);
|
|
AFc2 = (rdsgroup[2] & 0x00ff);
|
|
if (AFc1 > 0 && AFc1 < 205)
|
|
AF1 = (float)87.5 + ((float)AFc1 * .1);
|
|
else if (AFc1 >= 225 && AFc1 <= 249)
|
|
AF1 = AFc1 - 224;
|
|
if (AFc2 > 0 && AFc2 < 205)
|
|
AF2 = (float)87.5 + ((float)AFc2 * .1);
|
|
else if (AFc2 >= 225 && AFc2 <= 249)
|
|
AF2 = AFc2 - 224;
|
|
}
|
|
if (OutputFlags & RDS_OUTPUT_EON) {
|
|
printf("EON var=0x%01x PTY=%d ('%s') PS='%s' AF1=%3.2f (%d) AF2=%3.2f (%d) PI=%d\n", variant, rds_info.PTY, PTY_text[rds_info.PTY], rds_info.PS, AF1, AFc1, AF2, AFc2, PI);
|
|
}
|
|
} break;
|
|
case GROUP_14B: /* Enhanced Other Networks information */
|
|
if (OutputFlags & RDS_OUTPUT_EON)
|
|
printf("GRP14B: Enhanced Other Networks information\n");
|
|
break;
|
|
case GROUP_15A:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP15A\n");
|
|
break;
|
|
case GROUP_15B: /* Fast basic tuning and switching information */
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("GRP15B: Fast basic tuning and switching information\n");
|
|
break;
|
|
default:
|
|
if (OutputFlags & RDS_OUTPUT_UNKNGRP)
|
|
printf("unkn. RDS group %d\n", grp_type);
|
|
break;
|
|
}
|
|
|
|
/* done with this group */
|
|
grp_decoded = 1;
|
|
}
|
|
|