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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 17 |
1 files changed, 16 insertions, 1 deletions
@@ -44,7 +44,22 @@ Since there isn't (?) any good USB device mocking setup, for tests to pass an RT ## Design -Similarly to the original rtl-sdr driver, we use libusb via the `rusb` bindings as the main interface to issue commands to the rtl-sdr USB dongle. +### Overview + +RusTL-SDR is very similar to the original rtl-sdr driver. It uses libusb, via the [rusb](https://github.com/a1ien/rusb/) bindings, as the main interface to issue commands to the rtl-sdr USB dongle. + +### Lifecycle + +Devices generally go through the following lifecycle: + +1. Get a libusb context/handle, and find a compatible and supported RTL-SDR device +2. Initialize the device baseband +3. Probe the device for known tuners via the I2C interface +4. Run any special initialization required for the detected tuner +5. Interact with the device, usually this is where samples are read +6. Deinitialize the tuner +7. Deinitialize the baseband +8. Close the USB handle ## License |