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lib: check for validity of sample rates

Browse Source 
Thanks to Joris van Rantwijk for finding what seems to be
a hardware limitation/bug (bit 28 of the rsamp register being
forced to the value of bit 27).

Signed-off-by: Steve Markgraf <steve@steve-m.de>
This commit is contained in:
Steve Markgraf
2014-01-05 22:51:44 +01:00
parent d683b128f9
commit 003bd51167
2 changed files with 21 additions and 9 deletions
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12
include/rtl-sdr.h
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@ -243,7 +243,17 @@ RTLSDR_API int rtlsdr_set_tuner_if_gain(rtlsdr_dev_t *dev, int stage, int gain);
*/
RTLSDR_API int rtlsdr_set_tuner_gain_mode(rtlsdr_dev_t *dev, int manual);
/* this will select the baseband filters according to the requested sample rate */
/*!
* Set the sample rate for the device, also selects the baseband filters
* according to the requested sample rate for tuners where this is possible.
*
* \param dev the device handle given by rtlsdr_open()
* \param samp_rate the sample rate to be set, possible values are:
* 225001 - 300000 Hz
* 900001 - 3200000 Hz
* sample loss is to be expected for rates > 2400000
* \return 0 on success, -EINVAL on invalid rate
*/
RTLSDR_API int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t rate);
/*!