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disable sample rate correction until we find a proper solution

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This commit is contained in:
Dimitri Stolnikov 2012-07-09 22:22:55 +02:00
parent 2ad7b39e2d
commit 42a6592e63
1 changed files with 7 additions and 4 deletions
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11
src/librtlsdr.c
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@ -667,10 +667,10 @@ int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int ppm)
/* read corrected clock value into e4k structure */ /* read corrected clock value into e4k structure */
if (rtlsdr_get_xtal_freq(dev, NULL, &dev->e4k_s.vco.fosc)) if (rtlsdr_get_xtal_freq(dev, NULL, &dev->e4k_s.vco.fosc))
return -3; return -3;
#if 0
if (dev->rate) /* reset sample rate to apply new correction value */ if (dev->rate) /* reset sample rate to apply new correction value */
r |= rtlsdr_set_sample_rate(dev, dev->rate); r |= rtlsdr_set_sample_rate(dev, dev->rate);
#endif
if (dev->freq) /* retune to apply new correction value */ if (dev->freq) /* retune to apply new correction value */
r |= rtlsdr_set_center_freq(dev, dev->freq); r |= rtlsdr_set_center_freq(dev, dev->freq);
@ -804,7 +804,7 @@ int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t samp_rate)
uint16_t tmp; uint16_t tmp;
uint32_t rsamp_ratio; uint32_t rsamp_ratio;
double real_rate; double real_rate;
uint32_t rtl_freq; uint32_t rtl_freq = dev->rtl_xtal;
if (!dev) if (!dev)
return -1; return -1;
@ -812,11 +812,14 @@ int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t samp_rate)
/* check for the maximum rate the resampler supports */ /* check for the maximum rate the resampler supports */
if (samp_rate > MAX_SAMP_RATE) if (samp_rate > MAX_SAMP_RATE)
samp_rate = MAX_SAMP_RATE; samp_rate = MAX_SAMP_RATE;
#if 0
/* read corrected clock value */ /* read corrected clock value */
if (rtlsdr_get_xtal_freq(dev, &rtl_freq, NULL)) if (rtlsdr_get_xtal_freq(dev, &rtl_freq, NULL))
return -2; return -2;
if (samp_rate == MAX_SAMP_RATE && rtl_freq != DEF_RTL_XTAL_FREQ)
rtl_freq = DEF_RTL_XTAL_FREQ;
#endif
rsamp_ratio = (rtl_freq * TWO_POW(22)) / samp_rate; rsamp_ratio = (rtl_freq * TWO_POW(22)) / samp_rate;
rsamp_ratio &= ~3; rsamp_ratio &= ~3;