add rtl_biast, add biast EEPROM hack

master
rtlsdrblog 5 years ago
parent 9d3d8a5faf
commit 65ea7235bc
  1. 2
      README
  2. 3
      build/install_manifest.txt
  3. BIN
      build/src/librtlsdr.a
  4. BIN
      build/src/librtlsdr.so.0.6git
  5. BIN
      build/src/rtl_adsb
  6. BIN
      build/src/rtl_biast
  7. BIN
      build/src/rtl_eeprom
  8. BIN
      build/src/rtl_fm
  9. BIN
      build/src/rtl_power
  10. BIN
      build/src/rtl_sdr
  11. BIN
      build/src/rtl_tcp
  12. BIN
      build/src/rtl_test
  13. 10
      include/rtl-sdr.h
  14. 10
      src/CMakeLists.txt
  15. 28
      src/librtlsdr.c
  16. 125
      src/rtl_biast.c

@ -10,3 +10,5 @@ Modified RTL-SDR Blog Version
1) VCO PLL current fix - Improves stability at frequencies above ~1.5 GHz https://www.rtl-sdr.com/beta-testing-a-modified-rtl-sdr-driver-for-l-band-heat-issues/ 1) VCO PLL current fix - Improves stability at frequencies above ~1.5 GHz https://www.rtl-sdr.com/beta-testing-a-modified-rtl-sdr-driver-for-l-band-heat-issues/
2) RTL_TCP ring buffer enhancement by Stephen Blinick https://www.rtl-sdr.com/significantly-improving-rtl_tcps-performance-with-ring-buffers/ 2) RTL_TCP ring buffer enhancement by Stephen Blinick https://www.rtl-sdr.com/significantly-improving-rtl_tcps-performance-with-ring-buffers/
3) Enabled direct sampling for rtl_tcp 3) Enabled direct sampling for rtl_tcp
4) rtl_biast program added, including the ability to turn on/off any GPIO
5) Hack to force the bias tee to always be on by setting the unused IR endpoint bit to 0 in the EEPROM with "rtl_eeprom -i 0"

@ -12,4 +12,5 @@
/usr/local/bin/rtl_fm /usr/local/bin/rtl_fm
/usr/local/bin/rtl_eeprom /usr/local/bin/rtl_eeprom
/usr/local/bin/rtl_adsb /usr/local/bin/rtl_adsb
/usr/local/bin/rtl_power /usr/local/bin/rtl_power
/usr/local/bin/rtl_biast

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@ -389,6 +389,16 @@ RTLSDR_API int rtlsdr_cancel_async(rtlsdr_dev_t *dev);
*/ */
RTLSDR_API int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on); RTLSDR_API int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on);
/*!
* Enable or disable any GPIO.
* \param dev the device handle given by rtlsdr_open()
* \param gpio_pin GPIO pin number for ON
* \param on 1 for GPIO on. 0 for GPIO off.
*/
RTLSDR_API int rtlsdr_set_gpio(rtlsdr_dev_t *dev, int gpio_pin, int on);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

@ -91,7 +91,9 @@ add_executable(rtl_fm rtl_fm.c)
add_executable(rtl_eeprom rtl_eeprom.c) add_executable(rtl_eeprom rtl_eeprom.c)
add_executable(rtl_adsb rtl_adsb.c) add_executable(rtl_adsb rtl_adsb.c)
add_executable(rtl_power rtl_power.c) add_executable(rtl_power rtl_power.c)
set(INSTALL_TARGETS rtlsdr_shared rtlsdr_static rtl_sdr rtl_tcp rtl_test rtl_fm rtl_eeprom rtl_adsb rtl_power) add_executable(rtl_biast rtl_biast.c)
set(INSTALL_TARGETS rtlsdr_shared rtlsdr_static rtl_sdr rtl_tcp rtl_test rtl_fm rtl_eeprom rtl_adsb rtl_power rtl_biast)
target_link_libraries(rtl_sdr rtlsdr_shared convenience_static target_link_libraries(rtl_sdr rtlsdr_shared convenience_static
${LIBUSB_LIBRARIES} ${LIBUSB_LIBRARIES}
@ -121,6 +123,10 @@ target_link_libraries(rtl_power rtlsdr_shared convenience_static
${LIBUSB_LIBRARIES} ${LIBUSB_LIBRARIES}
${CMAKE_THREAD_LIBS_INIT} ${CMAKE_THREAD_LIBS_INIT}
) )
target_link_libraries(rtl_biast rtlsdr_shared convenience_static
${LIBUSB_LIBRARIES}
${CMAKE_THREAD_LIBS_INIT}
)
if(UNIX) if(UNIX)
target_link_libraries(rtl_fm m) target_link_libraries(rtl_fm m)
target_link_libraries(rtl_adsb m) target_link_libraries(rtl_adsb m)
@ -140,6 +146,7 @@ target_link_libraries(rtl_fm libgetopt_static)
target_link_libraries(rtl_eeprom libgetopt_static) target_link_libraries(rtl_eeprom libgetopt_static)
target_link_libraries(rtl_adsb libgetopt_static) target_link_libraries(rtl_adsb libgetopt_static)
target_link_libraries(rtl_power libgetopt_static) target_link_libraries(rtl_power libgetopt_static)
target_link_libraries(rtl_biast libgetopt_static)
set_property(TARGET rtl_sdr APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" ) set_property(TARGET rtl_sdr APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
set_property(TARGET rtl_tcp APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" ) set_property(TARGET rtl_tcp APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
set_property(TARGET rtl_test APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" ) set_property(TARGET rtl_test APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
@ -147,6 +154,7 @@ set_property(TARGET rtl_fm APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
set_property(TARGET rtl_eeprom APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" ) set_property(TARGET rtl_eeprom APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
set_property(TARGET rtl_adsb APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" ) set_property(TARGET rtl_adsb APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
set_property(TARGET rtl_power APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" ) set_property(TARGET rtl_power APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
set_property(TARGET rtl_biast APPEND PROPERTY COMPILE_DEFINITIONS "rtlsdr_STATIC" )
endif() endif()
######################################################################## ########################################################################
# Install built library files & utilities # Install built library files & utilities

@ -125,6 +125,7 @@ struct rtlsdr_dev {
int dev_lost; int dev_lost;
int driver_active; int driver_active;
unsigned int xfer_errors; unsigned int xfer_errors;
int force_bt;
}; };
void rtlsdr_set_gpio_bit(rtlsdr_dev_t *dev, uint8_t gpio, int val); void rtlsdr_set_gpio_bit(rtlsdr_dev_t *dev, uint8_t gpio, int val);
@ -368,6 +369,7 @@ static rtlsdr_dongle_t known_devices[] = {
#define BULK_TIMEOUT 0 #define BULK_TIMEOUT 0
#define EEPROM_ADDR 0xa0 #define EEPROM_ADDR 0xa0
#define EEPROM_SIZE 256
enum usb_reg { enum usb_reg {
USB_SYSCTL = 0x2000, USB_SYSCTL = 0x2000,
@ -1447,6 +1449,7 @@ int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index)
struct libusb_device_descriptor dd; struct libusb_device_descriptor dd;
uint8_t reg; uint8_t reg;
ssize_t cnt; ssize_t cnt;
uint8_t buf[EEPROM_SIZE];
dev = malloc(sizeof(rtlsdr_dev_t)); dev = malloc(sizeof(rtlsdr_dev_t));
if (NULL == dev) if (NULL == dev)
@ -1609,6 +1612,7 @@ found:
/* enable spectrum inversion */ /* enable spectrum inversion */
rtlsdr_demod_write_reg(dev, 1, 0x15, 0x01, 1); rtlsdr_demod_write_reg(dev, 1, 0x15, 0x01, 1);
break; break;
case RTLSDR_TUNER_UNKNOWN: case RTLSDR_TUNER_UNKNOWN:
fprintf(stderr, "No supported tuner found\n"); fprintf(stderr, "No supported tuner found\n");
@ -1618,6 +1622,14 @@ found:
break; break;
} }
/* Hack to force the Bias T to always be on if we set the IR-Endpoint bit in the EEPROM to 0. */
//force_bt = 0;
r = rtlsdr_read_eeprom(dev, buf, 0, EEPROM_SIZE);
dev->force_bt = (buf[7] & 0x02) ? 0 : 1;
if(dev->force_bt) rtlsdr_set_gpio(dev, 0, 1);
if (dev->tuner->init) if (dev->tuner->init)
r = dev->tuner->init(dev); r = dev->tuner->init(dev);
@ -2014,8 +2026,24 @@ int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on)
if (!dev) if (!dev)
return -1; return -1;
if(dev->force_bt) return 1; // If force_bt is on from the EEPROM, do not allow bias tee to turn off
rtlsdr_set_gpio_output(dev, 0); rtlsdr_set_gpio_output(dev, 0);
rtlsdr_set_gpio_bit(dev, 0, on); rtlsdr_set_gpio_bit(dev, 0, on);
return 0; return 0;
} }
int rtlsdr_set_gpio(rtlsdr_dev_t *dev, int gpio_pin, int on)
{
if (!dev)
return -1;
if(dev->force_bt) return 1; // If force_bt is on from the EEPROM, do not allow bias tee to turn off
rtlsdr_set_gpio_output(dev, gpio_pin);
rtlsdr_set_gpio_bit(dev, gpio_pin, on);
return 1;
}

@ -0,0 +1,125 @@
/*
* 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"
#include "convenience/convenience.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 usage(void)
{
fprintf(stderr,
"rtl_biast, a tool for turning the RTL-SDR.com \n"
"bias tee or any GPIO ON and OFF. Example to turn on the \n"
"bias tee: rtl_biast -d 0 -b 1\n"
"Any GPIO: rtl_biast -d 0 -g 1 -b 1\n\n"
"Usage:\n"
"\t[-d device_index (default: 0)]\n"
"\t[-b bias_on (default: 0)]\n"
"\t[-g GPIO select (default: 0)]\n");
exit(1);
}
int main(int argc, char **argv)
{
int i, r, opt;
int dev_index = 0;
int dev_given = 0;
uint32_t bias_on = 0;
uint32_t gpio_pin = 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:b:g:h?")) != -1) {
switch (opt) {
case 'd':
dev_index = verbose_device_search(optarg);
dev_given = 1;
break;
case 'b':
bias_on = atoi(optarg);
break;
case 'g':
gpio_pin = atoi(optarg);
break;
default:
usage();
break;
}
}
if (!dev_given) {
dev_index = verbose_device_search("0");
}
if (dev_index < 0) {
exit(1);
}
r = rtlsdr_open(&dev, dev_index);
rtlsdr_set_gpio(dev, gpio_pin, bias_on);
//rtlsdr_set_bias_tee(dev, bias_on);
//rtlsdr_set_direct_sampling(dev, 1);
exit:
rtlsdr_close(dev);
return r >= 0 ? r : -r;
}
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