dtv-scan-tables.git - dtv-scan-tables Debian packaging

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author	Jonathan McCrohan <jmccrohan@gmail.com>	2014-10-15 01:12:51 +0100
committer	Jonathan McCrohan <jmccrohan@gmail.com>	2014-10-15 01:12:51 +0100
commit	434843b832f4c299b855f42de2a5a6b2248f0f71 (patch)
tree	e5c2300c5390b5ac438616f7ad494eecb7cf7df7 /dvb-t/se-Salen
parent	3ac91673497e47ba8b452906d3e586a834cc8ec1 (diff)
download	dtv-scan-tables-434843b832f4c299b855f42de2a5a6b2248f0f71.tar.gz

d/control: update Standards Version to 3.9.6

Diffstat (limited to 'dvb-t/se-Salen')

0 files changed, 0 insertions, 0 deletions

/* * Tool for watching the dib3000*-demodulators, * with an extended output. * * Copyright (C) 2005 by Patrick Boettcher <patrick.boettcher@desy.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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * Or, point your browser to http://www.gnu.org/copyleft/gpl.html */ #include <stdio.h> #include <string.h> #include <errno.h> #include <stdlib.h> #include <unistd.h> #include <ctype.h> #include <getopt.h> #include <signal.h> #include <math.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> #include <sys/ioctl.h> #include <linux/types.h> #include "dib-i2c.h" #include "dib3000-watch.h" #include "dib3000.h" void usage (void) { verb("usage: dib3000-watch -d <i2c-device> -a <i2c-address> [-o <type>] [-i <seconds>]\n" " -d normally one of /dev/i2c-[0-255]\n" " -a is 8 for DiB3000M-B and 9, 10, 11 or 12 for DiB3000M-C or DiB3000-P\n" " -o output type (print|csv) (default: print)\n" " -i query interval in seconds (default: 0.1)\n" "\n" "Don't forget to run tzap or any other dvb-tune program (vdr, kaxtv) in order to tune a channel,\n" "tuning isn't done by this tool.\n" "\n" "A lot of thing have been taken for the dibusb, dib3000m[bc] driver from kernel and\n" "from t_demod-test software created by DiBcom. Both is GPL, so is dib-demod-watch.\n" "\n" "Copyright (C) 2005 by Patrick Boettcher <patrick.boettcher@desy.de>\n" "\n" "The source of this tool is released under the GPL.\n" ); exit(1); } __u16 dib_read_reg(struct dib_demod *dib,__u16 reg) { int ret; __u8 wb[] = { ((reg >> 8) | 0x80) & 0xff, reg & 0xff }; __u8 rb[2]; struct i2c_msg msg[] = { { .addr = dib->i2c_addr, .flags = 0, .buf = wb, .len = 2 }, { .addr = dib->i2c_addr, .flags = I2C_M_RD, .buf = rb, .len = 2 }, }; struct i2c_rdwr_ioctl_data i2c_data = { .msgs = msg, .nmsgs = 2, }; if ((ret = ioctl(dib->fd,I2C_RDWR,&i2c_data)) != 2) { err("i2c_rdwr read failed. (%d)\n",ret); return 0; } return (rb[0] << 8)| rb[1]; }; int dib_write_reg(struct dib_demod *dib, __u16 reg, __u16 val) { int ret; __u8 b[] = { (reg >> 8) & 0xff, reg & 0xff, (val >> 8) & 0xff, val & 0xff, }; struct i2c_msg msg[] = { { .addr = dib->i2c_addr, .flags = 0, .buf = b, .len = 4 } }; struct i2c_rdwr_ioctl_data i2c_data = { .msgs = msg, .nmsgs = 1, }; if ((ret = ioctl(dib->fd,I2C_RDWR,&i2c_data)) != 1) { err("i2c_rdwr write failed. (%d)\n",ret); return -1; } return 0; } int dib3000mb_monitoring(struct dib_demod *dib,struct dib3000mb_monitoring *m) { int dds_freq, p_dds_freq, n_agc_power = dib_read_reg(dib,DIB3000MB_REG_AGC_POWER), rf_power = dib_read_reg(dib,DIB3000MB_REG_RF_POWER), timing_offset; double ad_power_dB, minor_power; m->invspec = dib_read_reg(dib,DIB3000MB_REG_DDS_INV); m->nfft = dib_read_reg(dib,DIB3000MB_REG_TPS_FFT); m->agc_lock = dib_read_reg(dib,DIB3000MB_REG_AGC_LOCK); m->carrier_lock = dib_read_reg(dib,DIB3000MB_REG_CARRIER_LOCK); m->tps_lock = dib_read_reg(dib,DIB3000MB_REG_TPS_LOCK); m->vit_lock = dib_read_reg(dib,DIB3000MB_REG_VIT_LCK); m->ts_sync_lock = dib_read_reg(dib,DIB3000MB_REG_TS_SYNC_LOCK); m->ts_data_lock = dib_read_reg(dib,DIB3000MB_REG_TS_RS_LOCK); p_dds_freq = ((dib_read_reg(dib,DIB3000MB_REG_DDS_FREQ_MSB) & 0xff) << 8) | ((dib_read_reg(dib,DIB3000MB_REG_DDS_FREQ_LSB) & 0xff00) >> 8); dds_freq = ((dib_read_reg(dib,DIB3000MB_REG_DDS_VALUE_MSB) & 0xff) << 8) | ((dib_read_reg(dib,DIB3000MB_REG_DDS_VALUE_LSB) & 0xff00) >> 8); if (m->invspec) dds_freq = (1 << 16) - dds_freq; m->carrier_offset = (double)(dds_freq - p_dds_freq) / (double)(1 << 16) * DEF_SampFreq_KHz; m->ber = (double)((dib_read_reg(dib,DIB3000MB_REG_BER_MSB) << 16) | dib_read_reg(dib,DIB3000MB_REG_BER_LSB)) / (double) 1e8; m->per = dib_read_reg(dib,DIB3000MB_REG_PACKET_ERROR_RATE); m->unc = dib_read_reg(dib,DIB3000MB_REG_UNC); m->fft_pos = dib_read_reg(dib,DIB3000MB_REG_FFT_WINDOW_POS); m->snr = 10.0 * log10( (double)(dib_read_reg(dib,DIB3000MB_REG_SIGNAL_POWER) << 8) / (double)((dib_read_reg(dib,DIB3000MB_REG_NOISE_POWER_MSB) << 16) + dib_read_reg(dib,DIB3000MB_REG_NOISE_POWER_LSB))); m->mer = (double) ((dib_read_reg(dib,DIB3000MB_REG_MER_MSB) << 16) + dib_read_reg(dib,DIB3000MB_REG_MER_LSB)) / (double) (1<<9) / (m->nfft ? 767.0 : 191.0); if (n_agc_power == 0) n_agc_power = 1; ad_power_dB = 10 * log10( (double)(n_agc_power) / (double)(1<<16)); minor_power = ad_power_dB - DEF_agc_ref_dB ; m->rf_power = -DEF_gain_slope_dB * (double)rf_power/(double)(1<<16) + DEF_gain_delta_dB + minor_power; timing_offset = (dib_read_reg(dib,DIB3000MB_REG_TIMING_OFFSET_MSB) << 16) + dib_read_reg(dib,DIB3000MB_REG_TIMING_OFFSET_LSB); if (timing_offset >= 0x800000) timing_offset |= 0xff000000; m->timing_offset_ppm = -(double)timing_offset / (double)(m->nfft ? 8192 : 2048) * 1e6 / (double)(1<<20); return 0; } int dib3000mb_print_monitoring(struct dib3000mb_monitoring *m) { printf("DiB3000M-B status\n\n"); printf(" AGC lock: %10d\n",m->agc_lock); printf(" carrier lock: %10d\n",m->carrier_lock); printf(" TPS synchronize lock: %10d\n",m->tps_lock); printf(" Viterbi lock: %10d\n",m->vit_lock); printf(" MPEG TS synchronize lock: %10d\n",m->ts_sync_lock); printf(" MPEG TS data lock: %10d\n",m->ts_data_lock); printf("\n\n"); printf(" spectrum inversion: %10d\n",m->invspec); printf(" carrier offset: %3.7g\n",m->carrier_offset); printf("\n\n"); printf(" bit error rate: %3.7g\n",m->ber); printf(" packet error rate: %10d\n",m->per); printf(" packet error count: %10d\n",m->unc); printf("\n\n"); printf(" fft position: %10d\n",m->fft_pos); printf(" transmission mode: %10s\n",m->nfft ? "8k" : "2k"); printf("\n\n"); printf(" C / (N + I) = %3.7g\n",m->snr); printf(" MER = %3.7g dB\n",m->mer); printf(" RF power = %3.7g dBm\n",m->rf_power); printf(" timing offset = %3.7g ppm\n",m->timing_offset_ppm); return 0; } int interrupted; void sighandler (int sig) { (void)sig; interrupted = 1; } typedef enum { OUT_PRINT = 0, OUT_CSV, } dib3000m_output_t; int main (int argc, char * const argv[]) { struct dib_demod dib; struct dib3000mb_monitoring mon; const char *dev = NULL; float intervall = 0.1; dib3000m_output_t out = OUT_PRINT; int c; while ((c = getopt(argc,argv,"d:a:o:i:")) != -1) { switch (c) { case 'd': dev = optarg; break; case 'a': dib.i2c_addr = atoi(optarg); /* The I2C address */ break; case 'o': if (strcasecmp(optarg,"print") == 0) out = OUT_PRINT; else if (strcasecmp(optarg,"csv") == 0) out = OUT_CSV; else usage(); break; case 'i': intervall = atof(optarg); break; default: usage(); } } if (dev == NULL) usage(); interrupted = 0; signal(SIGINT, sighandler); signal(SIGKILL, sighandler); signal(SIGHUP, sighandler); verb("will use '%s' as i2c-device and %d as i2c address.\n",dev,dib.i2c_addr); if ((dib.fd = open(dev,O_RDWR)) < 0) { err("could not open %s\n",dev); exit(1); } if (ioctl(dib.fd,I2C_SLAVE,dib.i2c_addr) < 0) { err("could not set i2c address\n"); exit(1); } if (dib_read_reg(&dib,DIB3000_REG_MANUFACTOR_ID) != DIB3000_I2C_ID_DIBCOM) { err("could not find a dib3000 demodulator at i2c-address %d\n",dib.i2c_addr); exit(1); } switch (dib_read_reg(&dib,DIB3000_REG_DEVICE_ID)) { case DIB3000MB_DEVICE_ID: verb("found a DiB3000M-B demodulator.\n"); dib.rev = DIB3000MB; break; case DIB3000MC_DEVICE_ID: verb("found a DiB3000M-C demodulator.\n"); dib.rev = DIB3000MC; break; case DIB3000P_DEVICE_ID: verb("found a DiB3000-P demodulator.\n"); dib.rev = DIB3000P; break; default: err("unsupported demodulator found.\n"); } while (!interrupted) { switch (dib.rev) { case DIB3000MB: dib3000mb_monitoring(&dib,&mon); if (out == OUT_PRINT) { printf("\E[H\E[2J"); dib3000mb_print_monitoring(&mon); } else if (out == OUT_CSV) { printf("no csv output implemented yet.\n"); } break; default: interrupted=1; err("no monitoring writting for this demod, yet.\n"); } usleep((int) (intervall * 1000000)); } close(dib.fd); return 0; }


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