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lband opts

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rtlsdrblog 2019-10-18 06:55:36 +01:00
parent 9b900be7c6
commit 6f9efc9343
4 changed files with 11 additions and 4 deletions
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1
build/install_manifest.txt
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@ -1,4 +1,3 @@
/etc/udev/rules.d/rtl-sdr.rules
/usr/local/lib/pkgconfig/librtlsdr.pc /usr/local/lib/pkgconfig/librtlsdr.pc
/usr/local/include/rtl-sdr.h /usr/local/include/rtl-sdr.h
/usr/local/include/rtl-sdr_export.h /usr/local/include/rtl-sdr_export.h

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build/src/librtlsdr.a
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build/src/librtlsdr.so.0.6git
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14
src/tuner_r82xx.c
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@ -448,10 +448,15 @@ static int r82xx_set_pll(struct r82xx_priv *priv, uint32_t freq)
return rc; return rc;
/* set VCO current = 100 RTL-SDRBLOG MOD: MAX CURRENT*/ /* set VCO current = 100 RTL-SDRBLOG MOD: MAX CURRENT*/
rc = r82xx_write_reg_mask(priv, 0x12, 0x00, 0xe0); rc = r82xx_write_reg_mask(priv, 0x12, 0x06, 0xff);
if (rc < 0) if (rc < 0)
return rc; return rc;
// Test turning tracking filter off
//rc = r82xx_write_reg_mask(priv, 0x1a, 0x40, 0xC0);
/* Calculate divider */ /* Calculate divider */
while (mix_div <= 64) { while (mix_div <= 64) {
if (((freq_khz * mix_div) >= vco_min) && if (((freq_khz * mix_div) >= vco_min) &&
@ -540,7 +545,7 @@ static int r82xx_set_pll(struct r82xx_priv *priv, uint32_t freq)
if (!i) { if (!i) {
/* Didn't lock. Increase VCO current */ /* Didn't lock. Increase VCO current */
rc = r82xx_write_reg_mask(priv, 0x12, 0x00, 0xe0); rc = r82xx_write_reg_mask(priv, 0x12, 0x06, 0xff);
if (rc < 0) if (rc < 0)
return rc; return rc;
} }
@ -663,6 +668,9 @@ static int r82xx_sysfreq_sel(struct r82xx_priv *priv, uint32_t freq,
rc = r82xx_write_reg_mask(priv, 0x11, cp_cur, 0x38); rc = r82xx_write_reg_mask(priv, 0x11, cp_cur, 0x38);
if (rc < 0) if (rc < 0)
return rc; return rc;
// RTLSDRBLOG. Improve L-band performance by setting PLL drop out to 2.0v
div_buf_cur = 0xa0;
rc = r82xx_write_reg_mask(priv, 0x17, div_buf_cur, 0x30); rc = r82xx_write_reg_mask(priv, 0x17, div_buf_cur, 0x30);
if (rc < 0) if (rc < 0)
return rc; return rc;
@ -968,7 +976,7 @@ int r82xx_set_gain(struct r82xx_priv *priv, int set_manual_gain, int gain)
return rc; return rc;
/* set fixed VGA gain for now (16.3 dB) */ /* set fixed VGA gain for now (16.3 dB) */
rc = r82xx_write_reg_mask(priv, 0x0c, 0x08, 0x9f); rc = r82xx_write_reg_mask(priv, 0x0c, 0x08, 0x9f); //init val 0x08 0x0c works well at 1.7
if (rc < 0) if (rc < 0)
return rc; return rc;