![]() |
libbladeRF
1.7.2
Nuand bladeRF library
|
These functions provide control over the device's RX and TX gain stages.
In general, the gains should be incremented in the following order (and decremented in the reverse order).
TX: TXVGA1
, TXVGA2
RX: LNA
, RXVGA
, RXVGA2
These functions are thread-safe.
Macros | |
#define | BLADERF_RXVGA1_GAIN_MIN 5 |
#define | BLADERF_RXVGA1_GAIN_MAX 30 |
#define | BLADERF_RXVGA2_GAIN_MIN 0 |
#define | BLADERF_RXVGA2_GAIN_MAX 30 |
#define | BLADERF_TXVGA1_GAIN_MIN (-35) |
#define | BLADERF_TXVGA1_GAIN_MAX (-4) |
#define | BLADERF_TXVGA2_GAIN_MIN 0 |
#define | BLADERF_TXVGA2_GAIN_MAX 25 |
#define | BLADERF_LNA_GAIN_MID_DB 3 |
#define | BLADERF_LNA_GAIN_MAX_DB 6 |
Enumerations | |
enum | bladerf_lna_gain { BLADERF_LNA_GAIN_UNKNOWN, BLADERF_LNA_GAIN_BYPASS, BLADERF_LNA_GAIN_MID, BLADERF_LNA_GAIN_MAX } |
Functions | |
API_EXPORT int CALL_CONV | bladerf_set_txvga2 (struct bladerf *dev, int gain) |
API_EXPORT int CALL_CONV | bladerf_get_txvga2 (struct bladerf *dev, int *gain) |
API_EXPORT int CALL_CONV | bladerf_set_txvga1 (struct bladerf *dev, int gain) |
API_EXPORT int CALL_CONV | bladerf_get_txvga1 (struct bladerf *dev, int *gain) |
API_EXPORT int CALL_CONV | bladerf_set_lna_gain (struct bladerf *dev, bladerf_lna_gain gain) |
API_EXPORT int CALL_CONV | bladerf_get_lna_gain (struct bladerf *dev, bladerf_lna_gain *gain) |
API_EXPORT int CALL_CONV | bladerf_set_rxvga1 (struct bladerf *dev, int gain) |
API_EXPORT int CALL_CONV | bladerf_get_rxvga1 (struct bladerf *dev, int *gain) |
API_EXPORT int CALL_CONV | bladerf_set_rxvga2 (struct bladerf *dev, int gain) |
API_EXPORT int CALL_CONV | bladerf_get_rxvga2 (struct bladerf *dev, int *gain) |
API_EXPORT int CALL_CONV | bladerf_set_gain (struct bladerf *dev, bladerf_module mod, int gain) |
#define BLADERF_LNA_GAIN_MAX_DB 6 |
Gain in db of the LNA at max setting
Definition at line 567 of file libbladeRF.h.
#define BLADERF_LNA_GAIN_MID_DB 3 |
Gain in dB of the LNA at mid setting
Definition at line 566 of file libbladeRF.h.
#define BLADERF_RXVGA1_GAIN_MAX 30 |
Maximum RXVGA1 gain, in dB
Definition at line 536 of file libbladeRF.h.
#define BLADERF_RXVGA1_GAIN_MIN 5 |
Minimum RXVGA1 gain, in dB
Definition at line 533 of file libbladeRF.h.
#define BLADERF_RXVGA2_GAIN_MAX 30 |
Maximum RXVGA2 gain, in dB
Definition at line 542 of file libbladeRF.h.
#define BLADERF_RXVGA2_GAIN_MIN 0 |
Minimum RXVGA2 gain, in dB
Definition at line 539 of file libbladeRF.h.
#define BLADERF_TXVGA1_GAIN_MAX (-4) |
Maximum TXVGA1 gain, in dB
Definition at line 548 of file libbladeRF.h.
#define BLADERF_TXVGA1_GAIN_MIN (-35) |
Minimum TXVGA1 gain, in dB
Definition at line 545 of file libbladeRF.h.
#define BLADERF_TXVGA2_GAIN_MAX 25 |
Maximum TXVGA2 gain, in dB
Definition at line 554 of file libbladeRF.h.
#define BLADERF_TXVGA2_GAIN_MIN 0 |
Minimum TXVGA2 gain, in dB
Definition at line 551 of file libbladeRF.h.
enum bladerf_lna_gain |
LNA gain options
Enumerator | |
---|---|
BLADERF_LNA_GAIN_UNKNOWN |
Invalid LNA gain |
BLADERF_LNA_GAIN_BYPASS |
LNA bypassed - 0dB gain |
BLADERF_LNA_GAIN_MID |
LNA Mid Gain (MAX-6dB) |
BLADERF_LNA_GAIN_MAX |
LNA Max Gain |
Definition at line 559 of file libbladeRF.h.
API_EXPORT int CALL_CONV bladerf_get_lna_gain | ( | struct bladerf * | dev, |
bladerf_lna_gain * | gain | ||
) |
Get the LNA gain
dev | Device handle |
gain | Pointer to the set gain level |
API_EXPORT int CALL_CONV bladerf_get_rxvga1 | ( | struct bladerf * | dev, |
int * | gain | ||
) |
Get the pre-LPF VGA gain
dev | Device handle |
gain | Pointer to the set gain level |
API_EXPORT int CALL_CONV bladerf_get_rxvga2 | ( | struct bladerf * | dev, |
int * | gain | ||
) |
Get the post-LPF VGA gain
dev | Device handle |
gain | Pointer to the set gain level |
API_EXPORT int CALL_CONV bladerf_get_txvga1 | ( | struct bladerf * | dev, |
int * | gain | ||
) |
Get the post-LPF gain in dB
dev | Device handle |
gain | Pointer to returned gain |
API_EXPORT int CALL_CONV bladerf_get_txvga2 | ( | struct bladerf * | dev, |
int * | gain | ||
) |
Get the PA gain in dB
dev | Device handle |
gain | Pointer to returned gain |
API_EXPORT int CALL_CONV bladerf_set_gain | ( | struct bladerf * | dev, |
bladerf_module | mod, | ||
int | gain | ||
) |
Set combined gain values
This function computes the optimal LNA, RXVGA1, and RVGA2 gains for a requested amount of RX gain, and computes the optimal TXVGA1 and TXVGA2 gains for a requested amount of TX gain.
Values outside the valid gain range will be clipped.
dev | Device handle |
mod | Module |
gain | Desired gain |
API_EXPORT int CALL_CONV bladerf_set_lna_gain | ( | struct bladerf * | dev, |
bladerf_lna_gain | gain | ||
) |
Set the LNA gain
dev | Device handle |
gain | Desired gain level |
API_EXPORT int CALL_CONV bladerf_set_rxvga1 | ( | struct bladerf * | dev, |
int | gain | ||
) |
Set the pre-LPF VGA gain
Values outside the range of [ BLADERF_RXVGA1_GAIN_MIN, BLADERF_RXVGA1_GAIN_MAX ] will be clamped.
dev | Device handle |
gain | Desired gain |
API_EXPORT int CALL_CONV bladerf_set_rxvga2 | ( | struct bladerf * | dev, |
int | gain | ||
) |
Set the post-LPF VGA gain
Values outside the range of [ BLADERF_RXVGA2_GAIN_MIN, BLADERF_RXVGA2_GAIN_MAX ] will be clamped.
dev | Device handle |
gain | Desired gain |
API_EXPORT int CALL_CONV bladerf_set_txvga1 | ( | struct bladerf * | dev, |
int | gain | ||
) |
Set the post-LPF gain in dB
Values outside the range of [ BLADERF_TXVGA1_GAIN_MIN, BLADERF_TXVGA1_GAIN_MAX ] will be clamped.
dev | Device handle |
gain | Desired gain |
API_EXPORT int CALL_CONV bladerf_set_txvga2 | ( | struct bladerf * | dev, |
int | gain | ||
) |
Set the PA gain in dB
Values outside the range of [ BLADERF_TXVGA2_GAIN_MIN, BLADERF_TXVGA2_GAIN_MAX ] will be clamped.
dev | Device handle |
gain | Desired gain |