diff options
| author | rtlsdrblog <rtlsdrblog@gmail.com> | 2023-08-22 04:16:00 +1200 |
|---|---|---|
| committer | Steve Markgraf <steve@steve-m.de> | 2023-08-23 00:34:08 +0200 |
| commit | 1261fbb285297da08f4620b18871b6d6d9ec2a7b (patch) | |
| tree | 118b455f72e74661c4263d6950587b03d56f5f03 /src/librtlsdr.c | |
| parent | 142325a93c6ad70f851f43434acfdf75e12dfe03 (diff) | |
add rtl-sdr blog v4 support
Diffstat (limited to 'src/librtlsdr.c')
| -rw-r--r-- | src/librtlsdr.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/librtlsdr.c b/src/librtlsdr.c index 096abae..ee13556 100644 --- a/src/librtlsdr.c +++ b/src/librtlsdr.c @@ -119,6 +119,8 @@ struct rtlsdr_dev { int dev_lost; int driver_active; unsigned int xfer_errors; + char manufact[256]; + char product[256]; }; void rtlsdr_set_gpio_bit(rtlsdr_dev_t *dev, uint8_t gpio, int val); @@ -1430,6 +1432,16 @@ int rtlsdr_get_index_by_serial(const char *serial) return -3; } +/* Returns true if the manufact_check and product_check strings match what is in the dongles EEPROM */ +int rtlsdr_check_dongle_model(void *dev, char *manufact_check, char *product_check) +{ + if ((strcmp(((rtlsdr_dev_t *)dev)->manufact, manufact_check) == 0&& strcmp(((rtlsdr_dev_t *)dev)->product, product_check) == 0)) + return 1; + + return 0; +} + + int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index) { int r; @@ -1528,6 +1540,9 @@ int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index) rtlsdr_init_baseband(dev); dev->dev_lost = 0; + /* Get device manufacturer and product id */ + r = rtlsdr_get_usb_strings(dev, dev->manufact, dev->product, NULL); + /* Probe tuners */ rtlsdr_set_i2c_repeater(dev, 1); @@ -1555,6 +1570,10 @@ int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index) reg = rtlsdr_i2c_read_reg(dev, R828D_I2C_ADDR, R82XX_CHECK_ADDR); if (reg == R82XX_CHECK_VAL) { fprintf(stderr, "Found Rafael Micro R828D tuner\n"); + + if (rtlsdr_check_dongle_model(dev, "RTLSDRBlog", "Blog V4")) + fprintf(stderr, "RTL-SDR Blog V4 Detected\n"); + dev->tuner_type = RTLSDR_TUNER_R828D; goto found; } @@ -1588,7 +1607,10 @@ found: switch (dev->tuner_type) { case RTLSDR_TUNER_R828D: - dev->tun_xtal = R828D_XTAL_FREQ; + /* If NOT an RTL-SDR Blog V4, set typical R828D 16 MHz freq. Otherwise, keep at 28.8 MHz. */ + if (!(rtlsdr_check_dongle_model(dev, "RTLSDRBlog", "Blog V4"))) { + dev->tun_xtal = R828D_XTAL_FREQ; + } /* fall-through */ case RTLSDR_TUNER_R820T: /* disable Zero-IF mode */ |