diff options
Diffstat (limited to 'src/librtlsdr.c')
| -rw-r--r-- | src/librtlsdr.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/librtlsdr.c b/src/librtlsdr.c index 9a3ebcd..0ee4123 100644 --- a/src/librtlsdr.c +++ b/src/librtlsdr.c @@ -126,6 +126,7 @@ struct rtlsdr_dev { }; void rtlsdr_set_gpio_bit(rtlsdr_dev_t *dev, uint8_t gpio, int val); +static int rtlsdr_set_if_freq(rtlsdr_dev_t *dev, uint32_t freq); /* generic tuner interface functions, shall be moved to the tuner implementations */ int e4000_init(void *dev) { @@ -238,7 +239,20 @@ int r820t_set_freq(void *dev, uint32_t freq) { rtlsdr_dev_t* devt = (rtlsdr_dev_t*)dev; return r82xx_set_freq(&devt->r82xx_p, freq); } -int r820t_set_bw(void *dev, int bw) { return 0; } + +int r820t_set_bw(void *dev, int bw) { + int r; + rtlsdr_dev_t* devt = (rtlsdr_dev_t*)dev; + + r = r82xx_set_bandwidth(&devt->r82xx_p, bw, devt->rate); + if(r < 0) + return r; + r = rtlsdr_set_if_freq(devt, r); + if (r) + return r; + return rtlsdr_set_center_freq(devt, devt->freq); +} + int r820t_set_gain(void *dev, int gain) { rtlsdr_dev_t* devt = (rtlsdr_dev_t*)dev; return r82xx_set_gain(&devt->r82xx_p, 1, gain); @@ -670,7 +684,7 @@ int rtlsdr_deinit_baseband(rtlsdr_dev_t *dev) return r; } -int rtlsdr_set_if_freq(rtlsdr_dev_t *dev, uint32_t freq) +static int rtlsdr_set_if_freq(rtlsdr_dev_t *dev, uint32_t freq) { uint32_t rtl_xtal; int32_t if_freq; |