diff options
Diffstat (limited to 'utils/rtl_eeprom.c')
| -rw-r--r-- | utils/rtl_eeprom.c | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/utils/rtl_eeprom.c b/utils/rtl_eeprom.c deleted file mode 100644 index 24be900..0000000 --- a/utils/rtl_eeprom.c +++ /dev/null @@ -1,426 +0,0 @@ -/* - * 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; - /* fall-through */ - 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 - 1); - - if (product_str) - strncpy((char*)&conf.product, product_str, MAX_STR_SIZE - 1); - - if (serial_str) { - conf.have_serial = 1; - strncpy((char*)&conf.serial, serial_str, MAX_STR_SIZE - 1); - } - - 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, "\nConfiguration successfully written.\n" - "Please replug the device for changes" - " to take effect.\n"); - -exit: - if (file) - fclose(file); - - rtlsdr_close(dev); - - return r >= 0 ? r : -r; -} |