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add offset tuning bias tee hack

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rtlsdrblog 2023-08-23 22:23:58 +12:00
parent 1261fbb285
commit 8426cbe3f0
1 changed files with 8 additions and 1 deletions
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9
src/librtlsdr.c
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@ -1242,8 +1242,15 @@ int rtlsdr_set_offset_tuning(rtlsdr_dev_t *dev, int on)
return -1; return -1;
if ((dev->tuner_type == RTLSDR_TUNER_R820T) || if ((dev->tuner_type == RTLSDR_TUNER_R820T) ||
(dev->tuner_type == RTLSDR_TUNER_R828D)) (dev->tuner_type == RTLSDR_TUNER_R828D)) {
/* RTL-SDR-BLOG Hack, enables us to turn on the bias tee by
* clicking on "offset tuning" in software that doesn't have
* specified bias tee support. Offset tuning is not used for
*R820T devices so it is no problem.
*/
rtlsdr_set_gpio(dev, 0, on);
return -2; return -2;
}
if (dev->direct_sampling) if (dev->direct_sampling)
return -3; return -3;