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Code Issues Releases Wiki Activity

Added Bias T Support from RTL-SDR Blog V3 Dongle

master
Lucas Teske 2016-08-17 10:14:57 -03:00
parent 4fd79242b9
commit 7fe3ba3835
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GPG Key ID: 6C39C1C16A9DA7BE
2 changed files with 21 additions and 0 deletions
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11
include/rtl-sdr.h
View File

@ -419,6 +419,17 @@ RTLSDR_API int rtlsdr_cancel_async(rtlsdr_dev_t *dev);
*/ */
RTLSDR_API int rtlsdr_ir_query(rtlsdr_dev_t *dev, uint8_t *buf, size_t buf_len); RTLSDR_API int rtlsdr_ir_query(rtlsdr_dev_t *dev, uint8_t *buf, size_t buf_len);
/*!
* Enable or disable the bias tee on GPIO PIN 0. (Works for rtl-sdr.com v3 dongles)
* See: http://www.rtl-sdr.com/rtl-sdr-blog-v-3-dongles-user-guide/
*
* \param dev the device handle given by rtlsdr_open()
* \param on 1 for Bias T on. 0 for Bias T off.
* \return -1 if device is not initialized. 1 otherwise.
*/
RTLSDR_API int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

10
src/librtlsdr.c
View File

@ -2437,3 +2437,13 @@ err:
printf("failed=%d\n", ret); printf("failed=%d\n", ret);
return ret; return ret;
} }
int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on) {
if (!dev)
return -1;
rtlsdr_set_gpio_output(dev, 0);
rtlsdr_set_gpio_bit(dev, 0, on);
return 1;
}