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-rw-r--r--utils/convenience/convenience.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/utils/convenience/convenience.c b/utils/convenience/convenience.c
deleted file mode 100644
index 00cc2cc..0000000
--- a/utils/convenience/convenience.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * Copyright (C) 2014 by Kyle Keen <keenerd@gmail.com>
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-/* a collection of user friendly tools
- * todo: use strtol for more flexible int parsing
- * */
-
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#ifndef _WIN32
-#include <unistd.h>
-#else
-#include <windows.h>
-#include <fcntl.h>
-#include <io.h>
-#define _USE_MATH_DEFINES
-#endif
-
-#include <math.h>
-
-#include "rtl-sdr.h"
-
-double atofs(char *s)
-/* standard suffixes */
-{
- char last;
- int len;
- double suff = 1.0;
- len = strlen(s);
- last = s[len-1];
- s[len-1] = '\0';
- switch (last) {
- case 'g':
- case 'G':
- suff *= 1e3;
- /* fall-through */
- case 'm':
- case 'M':
- suff *= 1e3;
- /* fall-through */
- case 'k':
- case 'K':
- suff *= 1e3;
- suff *= atof(s);
- s[len-1] = last;
- return suff;
- }
- s[len-1] = last;
- return atof(s);
-}
-
-double atoft(char *s)
-/* time suffixes, returns seconds */
-{
- char last;
- int len;
- double suff = 1.0;
- len = strlen(s);
- last = s[len-1];
- s[len-1] = '\0';
- switch (last) {
- case 'h':
- case 'H':
- suff *= 60;
- /* fall-through */
- case 'm':
- case 'M':
- suff *= 60;
- /* fall-through */
- case 's':
- case 'S':
- suff *= atof(s);
- s[len-1] = last;
- return suff;
- }
- s[len-1] = last;
- return atof(s);
-}
-
-double atofp(char *s)
-/* percent suffixes */
-{
- char last;
- int len;
- double suff = 1.0;
- len = strlen(s);
- last = s[len-1];
- s[len-1] = '\0';
- switch (last) {
- case '%':
- suff *= 0.01;
- suff *= atof(s);
- s[len-1] = last;
- return suff;
- }
- s[len-1] = last;
- return atof(s);
-}
-
-int nearest_gain(rtlsdr_dev_t *dev, int target_gain)
-{
- int i, r, err1, err2, count, nearest;
- int* gains;
- r = rtlsdr_set_tuner_gain_mode(dev, 1);
- if (r < 0) {
- fprintf(stderr, "WARNING: Failed to enable manual gain.\n");
- return r;
- }
- count = rtlsdr_get_tuner_gains(dev, NULL);
- if (count <= 0) {
- return 0;
- }
- gains = malloc(sizeof(int) * count);
- count = rtlsdr_get_tuner_gains(dev, gains);
- nearest = gains[0];
- for (i=0; i<count; i++) {
- err1 = abs(target_gain - nearest);
- err2 = abs(target_gain - gains[i]);
- if (err2 < err1) {
- nearest = gains[i];
- }
- }
- free(gains);
- return nearest;
-}
-
-int verbose_set_frequency(rtlsdr_dev_t *dev, uint32_t frequency)
-{
- int r;
- r = rtlsdr_set_center_freq(dev, frequency);
- if (r < 0) {
- fprintf(stderr, "WARNING: Failed to set center freq.\n");
- } else {
- fprintf(stderr, "Tuned to %u Hz.\n", frequency);
- }
- return r;
-}
-
-int verbose_set_sample_rate(rtlsdr_dev_t *dev, uint32_t samp_rate)
-{
- int r;
- r = rtlsdr_set_sample_rate(dev, samp_rate);
- if (r < 0) {
- fprintf(stderr, "WARNING: Failed to set sample rate.\n");
- } else {
- fprintf(stderr, "Sampling at %u S/s.\n", samp_rate);
- }
- return r;
-}
-
-int verbose_direct_sampling(rtlsdr_dev_t *dev, int on)
-{
- int r;
- r = rtlsdr_set_direct_sampling(dev, on);
- if (r != 0) {
- fprintf(stderr, "WARNING: Failed to set direct sampling mode.\n");
- return r;
- }
- if (on == 0) {
- fprintf(stderr, "Direct sampling mode disabled.\n");}
- if (on == 1) {
- fprintf(stderr, "Enabled direct sampling mode, input 1/I.\n");}
- if (on == 2) {
- fprintf(stderr, "Enabled direct sampling mode, input 2/Q.\n");}
- return r;
-}
-
-int verbose_offset_tuning(rtlsdr_dev_t *dev)
-{
- int r;
- r = rtlsdr_set_offset_tuning(dev, 1);
- if (r != 0) {
- fprintf(stderr, "WARNING: Failed to set offset tuning.\n");
- } else {
- fprintf(stderr, "Offset tuning mode enabled.\n");
- }
- return r;
-}
-
-int verbose_auto_gain(rtlsdr_dev_t *dev)
-{
- int r;
- r = rtlsdr_set_tuner_gain_mode(dev, 0);
- if (r != 0) {
- fprintf(stderr, "WARNING: Failed to set tuner gain.\n");
- } else {
- fprintf(stderr, "Tuner gain set to automatic.\n");
- }
- return r;
-}
-
-int verbose_gain_set(rtlsdr_dev_t *dev, int gain)
-{
- int r;
- r = rtlsdr_set_tuner_gain_mode(dev, 1);
- if (r < 0) {
- fprintf(stderr, "WARNING: Failed to enable manual gain.\n");
- return r;
- }
- r = rtlsdr_set_tuner_gain(dev, gain);
- if (r != 0) {
- fprintf(stderr, "WARNING: Failed to set tuner gain.\n");
- } else {
- fprintf(stderr, "Tuner gain set to %0.2f dB.\n", gain/10.0);
- }
- return r;
-}
-
-int verbose_ppm_set(rtlsdr_dev_t *dev, int ppm_error)
-{
- int r;
- if (ppm_error == 0) {
- return 0;}
- r = rtlsdr_set_freq_correction(dev, ppm_error);
- if (r < 0) {
- fprintf(stderr, "WARNING: Failed to set ppm error.\n");
- } else {
- fprintf(stderr, "Tuner error set to %i ppm.\n", ppm_error);
- }
- return r;
-}
-
-int verbose_reset_buffer(rtlsdr_dev_t *dev)
-{
- int r;
- r = rtlsdr_reset_buffer(dev);
- if (r < 0) {
- fprintf(stderr, "WARNING: Failed to reset buffers.\n");}
- return r;
-}
-
-int verbose_device_search(char *s)
-{
- int i, device_count, device, offset;
- char *s2;
- char vendor[256], product[256], serial[256];
- device_count = rtlsdr_get_device_count();
- if (!device_count) {
- fprintf(stderr, "No supported devices found.\n");
- return -1;
- }
- fprintf(stderr, "Found %d device(s):\n", device_count);
- for (i = 0; i < device_count; i++) {
- rtlsdr_get_device_usb_strings(i, vendor, product, serial);
- fprintf(stderr, " %d: %s, %s, SN: %s\n", i, vendor, product, serial);
- }
- fprintf(stderr, "\n");
- /* does string look like raw id number */
- device = (int)strtol(s, &s2, 0);
- if (s2[0] == '\0' && device >= 0 && device < device_count) {
- fprintf(stderr, "Using device %d: %s\n",
- device, rtlsdr_get_device_name((uint32_t)device));
- return device;
- }
- /* does string exact match a serial */
- for (i = 0; i < device_count; i++) {
- rtlsdr_get_device_usb_strings(i, vendor, product, serial);
- if (strcmp(s, serial) != 0) {
- continue;}
- device = i;
- fprintf(stderr, "Using device %d: %s\n",
- device, rtlsdr_get_device_name((uint32_t)device));
- return device;
- }
- /* does string prefix match a serial */
- for (i = 0; i < device_count; i++) {
- rtlsdr_get_device_usb_strings(i, vendor, product, serial);
- if (strncmp(s, serial, strlen(s)) != 0) {
- continue;}
- device = i;
- fprintf(stderr, "Using device %d: %s\n",
- device, rtlsdr_get_device_name((uint32_t)device));
- return device;
- }
- /* does string suffix match a serial */
- for (i = 0; i < device_count; i++) {
- rtlsdr_get_device_usb_strings(i, vendor, product, serial);
- offset = strlen(serial) - strlen(s);
- if (offset < 0) {
- continue;}
- if (strncmp(s, serial+offset, strlen(s)) != 0) {
- continue;}
- device = i;
- fprintf(stderr, "Using device %d: %s\n",
- device, rtlsdr_get_device_name((uint32_t)device));
- return device;
- }
- fprintf(stderr, "No matching devices found.\n");
- return -1;
-}
-
-// vim: tabstop=8:softtabstop=8:shiftwidth=8:noexpandtab
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