+++ /dev/null
-/*
- * rtl-sdr, turns your Realtek RTL2832 based DVB dongle into a SDR receiver
- * rtl_eeprom, EEPROM modification tool
- * Copyright (C) 2012 by Steve Markgraf <steve@steve-m.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, see <http://www.gnu.org/licenses/>.
- */
-
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#ifndef _WIN32
-#include <unistd.h>
-#else
-#include <Windows.h>
-#include "getopt/getopt.h"
-#endif
-
-#include "rtl-sdr.h"
-
-#define EEPROM_SIZE 256
-#define MAX_STR_SIZE 256
-#define STR_OFFSET 0x09
-
-static rtlsdr_dev_t *dev = NULL;
-
-typedef struct rtlsdr_config {
- uint16_t vendor_id;
- uint16_t product_id;
- char manufacturer[MAX_STR_SIZE];
- char product[MAX_STR_SIZE];
- char serial[MAX_STR_SIZE];
- int have_serial;
- int enable_ir;
- int remote_wakeup;
-} rtlsdr_config_t;
-
-void dump_config(rtlsdr_config_t *conf)
-{
- fprintf(stderr, "__________________________________________\n");
- fprintf(stderr, "Vendor ID:\t\t0x%04x\n", conf->vendor_id);
- fprintf(stderr, "Product ID:\t\t0x%04x\n", conf->product_id);
- fprintf(stderr, "Manufacturer:\t\t%s\n", conf->manufacturer);
- fprintf(stderr, "Product:\t\t%s\n", conf->product);
- fprintf(stderr, "Serial number:\t\t%s\n", conf->serial);
- fprintf(stderr, "Serial number enabled:\t");
- fprintf(stderr, conf->have_serial ? "yes\n": "no\n");
- fprintf(stderr, "IR endpoint enabled:\t");
- fprintf(stderr, conf->enable_ir ? "yes\n": "no\n");
- fprintf(stderr, "Remote wakeup enabled:\t");
- fprintf(stderr, conf->remote_wakeup ? "yes\n": "no\n");
- fprintf(stderr, "__________________________________________\n");
-}
-
-void usage(void)
-{
- fprintf(stderr,
- "rtl_eeprom, an EEPROM programming tool for "
- "RTL2832 based DVB-T receivers\n\n"
- "Usage:\n"
- "\t[-d device_index (default: 0)]\n"
- "\t[-m <str> set manufacturer string]\n"
- "\t[-p <str> set product string]\n"
- "\t[-s <str> set serial number string]\n"
- "\t[-i <0,1> disable/enable IR-endpoint]\n"
- "\t[-g <conf> generate default config and write to device]\n"
- "\t[ <conf> can be one of:]\n"
- "\t[ realtek\t\tRealtek default (as without EEPROM)]\n"
- "\t[ realtek_oem\t\tRealtek default OEM with EEPROM]\n"
- "\t[ noxon\t\tTerratec NOXON DAB Stick]\n"
- "\t[ terratec_black\tTerratec T Stick Black]\n"
- "\t[ terratec_plus\tTerratec T Stick+ (DVB-T/DAB)]\n"
- "\t[-w <filename> write dumped file to device]\n"
- "\t[-r <filename> dump EEPROM to file]\n"
- "\t[-h display this help text]\n"
- "\nUse on your own risk, especially -w!\n");
- exit(1);
-}
-
-int get_string_descriptor(int pos, uint8_t *data, char *str)
-{
- int len, i, j = 0;
-
- len = data[pos];
-
- if (data[pos + 1] != 0x03)
- fprintf(stderr, "Error: invalid string descriptor!\n");
-
- for (i = 2; i < len; i += 2)
- str[j++] = data[pos + i];
-
- str[j] = 0x00;
-
- return pos + i;
-}
-
-int set_string_descriptor(int pos, uint8_t *data, char *str)
-{
- int i = 0, j = 2;
-
- if (pos < 0)
- return -1;
-
- data[pos + 1] = 0x03;
-
- while (str[i] != 0x00) {
- if ((pos + j) >= 78) {
- fprintf(stderr, "Error: string too long, truncated!\n");
- return -1;
- }
- data[pos + j++] = str[i++];
- data[pos + j++] = 0x00;
- }
-
- data[pos] = j;
-
- return pos + j;
-}
-
-int parse_eeprom_to_conf(rtlsdr_config_t *conf, uint8_t *dat)
-{
- int pos;
-
- if ((dat[0] != 0x28) || (dat[1] != 0x32))
- fprintf(stderr, "Error: invalid RTL2832 EEPROM header!\n");
-
- conf->vendor_id = dat[2] | (dat[3] << 8);
- conf->product_id = dat[4] | (dat[5] << 8);
- conf->have_serial = (dat[6] == 0xa5) ? 1 : 0;
- conf->remote_wakeup = (dat[7] & 0x01) ? 1 : 0;
- conf->enable_ir = (dat[7] & 0x02) ? 1 : 0;
-
- pos = get_string_descriptor(STR_OFFSET, dat, conf->manufacturer);
- pos = get_string_descriptor(pos, dat, conf->product);
- get_string_descriptor(pos, dat, conf->serial);
-
- return 0;
-}
-
-int gen_eeprom_from_conf(rtlsdr_config_t *conf, uint8_t *dat)
-{
- int pos;
-
- dat[0] = 0x28;
- dat[1] = 0x32;
- dat[2] = conf->vendor_id & 0xff;
- dat[3] = (conf->vendor_id >> 8) & 0xff ;
- dat[4] = conf->product_id & 0xff;
- dat[5] = (conf->product_id >> 8) & 0xff;
- dat[6] = conf->have_serial ? 0xa5 : 0x00;
- dat[7] = 0x14;
- dat[7] |= conf->remote_wakeup ? 0x01 : 0x00;
- dat[7] |= conf->enable_ir ? 0x02 : 0x00;
- dat[8] = 0x02;
-
- pos = set_string_descriptor(STR_OFFSET, dat, conf->manufacturer);
- pos = set_string_descriptor(pos, dat, conf->product);
- pos = set_string_descriptor(pos, dat, conf->serial);
-
- dat[78] = 0x00; /* length of IR config */
-
- return pos;
-}
-
-enum configs {
- CONF_NONE = 0,
- REALTEK,
- REALTEK_EEPROM,
- TERRATEC_NOXON,
- TERRATEC_T_BLACK,
- TERRATEC_T_PLUS,
-};
-
-void gen_default_conf(rtlsdr_config_t *conf, int config)
-{
- switch (config) {
- case REALTEK:
- fprintf(stderr, "Realtek default (as without EEPROM)\n");
- conf->vendor_id = 0x0bda;
- conf->product_id = 0x2832;
- strcpy(conf->manufacturer, "Generic");
- strcpy(conf->product, "RTL2832U DVB-T");
- strcpy(conf->serial, "0");
- conf->have_serial = 1;
- conf->enable_ir = 0;
- conf->remote_wakeup = 1;
- break;
- case REALTEK_EEPROM:
- fprintf(stderr, "Realtek default OEM with EEPROM\n");
- conf->vendor_id = 0x0bda;
- conf->product_id = 0x2838;
- strcpy(conf->manufacturer, "Realtek");
- strcpy(conf->product, "RTL2838UHIDIR");
- strcpy(conf->serial, "00000001");
- conf->have_serial = 1;
- conf->enable_ir = 1;
- conf->remote_wakeup = 0;
- break;
- case TERRATEC_NOXON:
- fprintf(stderr, "Terratec NOXON DAB Stick\n");
- conf->vendor_id = 0x0ccd;
- conf->product_id = 0x00b3;
- strcpy(conf->manufacturer, "NOXON");
- strcpy(conf->product, "DAB Stick");
- strcpy(conf->serial, "0");
- conf->have_serial = 1;
- conf->enable_ir = 0;
- conf->remote_wakeup = 1;
- break;
- case TERRATEC_T_BLACK:
- fprintf(stderr, "Terratec T Stick Black\n");
- conf->vendor_id = 0x0ccd;
- conf->product_id = 0x00a9;
- strcpy(conf->manufacturer, "Realtek");
- strcpy(conf->product, "RTL2838UHIDIR");
- strcpy(conf->serial, "00000001");
- conf->have_serial = 1;
- conf->enable_ir = 1;
- conf->remote_wakeup = 0;
- break;
- case TERRATEC_T_PLUS:
- fprintf(stderr, "Terratec ran T Stick+\n");
- conf->vendor_id = 0x0ccd;
- conf->product_id = 0x00d7;
- strcpy(conf->manufacturer, "Realtek");
- strcpy(conf->product, "RTL2838UHIDIR");
- strcpy(conf->serial, "00000001");
- conf->have_serial = 1;
- conf->enable_ir = 1;
- conf->remote_wakeup = 0;
- break;
- default:
- break;
- };
-}
-
-int main(int argc, char **argv)
-{
- int i, r, opt;
- uint32_t dev_index = 0;
- int device_count;
- char *filename = NULL;
- FILE *file = NULL;
- char *manuf_str = NULL;
- char *product_str = NULL;
- char *serial_str = NULL;
- uint8_t buf[EEPROM_SIZE];
- rtlsdr_config_t conf;
- int flash_file = 0;
- int default_config = 0;
- int change = 0;
- int ir_endpoint = 0;
- char ch;
-
- while ((opt = getopt(argc, argv, "d:m:p:s:i:g:w:r:h?")) != -1) {
- switch (opt) {
- case 'd':
- dev_index = atoi(optarg);
- break;
- case 'm':
- manuf_str = optarg;
- change = 1;
- break;
- case 'p':
- product_str = optarg;
- change = 1;
- break;
- case 's':
- serial_str = optarg;
- change = 1;
- break;
- case 'i':
- ir_endpoint = (atoi(optarg) > 0) ? 1 : -1;
- change = 1;
- break;
- case 'g':
- if (!strcmp(optarg, "realtek"))
- default_config = REALTEK;
- else if (!strcmp(optarg, "realtek_oem"))
- default_config = REALTEK_EEPROM;
- else if (!strcmp(optarg, "noxon"))
- default_config = TERRATEC_NOXON;
- else if (!strcmp(optarg, "terratec_black"))
- default_config = TERRATEC_T_BLACK;
- else if (!strcmp(optarg, "terratec_plus"))
- default_config = TERRATEC_T_PLUS;
-
- if (default_config != CONF_NONE)
- change = 1;
- break;
- case 'w':
- flash_file = 1;
- change = 1;
- case 'r':
- filename = optarg;
- break;
- default:
- usage();
- break;
- }
- }
-
- device_count = rtlsdr_get_device_count();
- if (!device_count) {
- fprintf(stderr, "No supported devices found.\n");
- exit(1);
- }
-
- fprintf(stderr, "Found %d device(s):\n", device_count);
- for (i = 0; i < device_count; i++)
- fprintf(stderr, " %d: %s\n", i, rtlsdr_get_device_name(i));
- fprintf(stderr, "\n");
-
- fprintf(stderr, "Using device %d: %s\n",
- dev_index,
- rtlsdr_get_device_name(dev_index));
-
- r = rtlsdr_open(&dev, dev_index);
- if (r < 0) {
- fprintf(stderr, "Failed to open rtlsdr device #%d.\n", dev_index);
- exit(1);
- }
-
- fprintf(stderr, "\n");
-
- r = rtlsdr_read_eeprom(dev, buf, 0, EEPROM_SIZE);
- if (r < 0) {
- if (r == -3)
- fprintf(stderr, "No EEPROM has been found.\n");
- else
- fprintf(stderr, "Failed to read EEPROM, err %i.\n", r);
- goto exit;
- }
-
- if (r < 0)
- return -1;
-
- fprintf(stderr, "Current configuration:\n");
- parse_eeprom_to_conf(&conf, buf);
- dump_config(&conf);
-
- if (filename) {
- file = fopen(filename, flash_file ? "rb" : "wb");
- if (!file) {
- fprintf(stderr, "Error opening file!\n");
- goto exit;
- }
- if (flash_file) {
- if (fread(buf, 1, sizeof(buf), file) != sizeof(buf))
- fprintf(stderr, "Error reading file!\n");
- } else {
- if (fwrite(buf, 1, sizeof(buf), file) != sizeof(buf))
- fprintf(stderr, "Short write, exiting!\n");
- else
- fprintf(stderr, "\nDump to %s successful.\n", filename);
- }
- }
-
- if (manuf_str)
- strncpy((char*)&conf.manufacturer, manuf_str, MAX_STR_SIZE);
-
- if (product_str)
- strncpy((char*)&conf.product, product_str, MAX_STR_SIZE);
-
- if (serial_str) {
- conf.have_serial = 1;
- strncpy((char*)&conf.serial, serial_str, MAX_STR_SIZE);
- }
-
- if (ir_endpoint != 0)
- conf.enable_ir = (ir_endpoint > 0) ? 1 : 0;
-
- if (!change)
- goto exit;
-
- fprintf(stderr, "\nNew configuration:\n");
-
- if (default_config != CONF_NONE)
- gen_default_conf(&conf, default_config);
-
- if (!flash_file) {
- if (gen_eeprom_from_conf(&conf, buf) < 0)
- goto exit;
- }
-
- parse_eeprom_to_conf(&conf, buf);
- dump_config(&conf);
-
- fprintf(stderr, "Write new configuration to device [y/n]? ");
-
- while ((ch = getchar())) {
- if (ch != 'y')
- goto exit;
- else
- break;
- }
-
- r = rtlsdr_write_eeprom(dev, buf, 0, flash_file ? EEPROM_SIZE : 128);
- if (r < 0)
- fprintf(stderr, "Error while writing EEPROM: %i\n", r);
- else
- fprintf(stderr, "Configuration successfully written.\n");
-
-exit:
- if (file)
- fclose(file);
-
- rtlsdr_close(dev);
-
- return r >= 0 ? r : -r;
-}
projects / rtl-433.git / blobdiff