Completed README file with description and screenshots

Author: Andrei-Basarab

README.md

@@ -1,14 +1,49 @@
 # CC1101 SPI Analyzer
 
-SPI protocol analyzer for the Texas Instruments CC1101 RF Transceiver
+SPI protocol analyzer for the Texas Instruments CC1101 RF Transceiver.
+
+![](images/fifo-write.png)
 
 ## Getting started
 
-- TODO
+1. Installation
+    - Install [Logic 2](https://www.saleae.com/pages/downloads) if not done already.
+    - In Logic 2, go to *Extensions*, search for *CC1101 SPI Analyzer*, then click *INSTALL*.
+2. Usage
+    - Configure the *SPI* session with *Enable*(Chip Select), *Clock*, *MOSI* and *MISO* lines.
+    - Go to *Analyzers*, click *+* and select *CC1101 SPI Analyzer* - associate it with *SPI*.
+    ![](images/analyzers.png)
+    - Click *Start Capture* to begin analyzing the SPI communication.
+
+## Features
+
+- Easy to use and complete CC1101 SPI protocol analyzer.
+- View captured packets at a glance in the Graph View.
+- View detailed capture in the Data Table.
+- Use Trigger View to synchronize on specific packets.
+- Export the data table for further analysis.
+- Error messages for broken/invalid frames.
+
+## Examples
+
+- Command SCAL
+    ![](images/cmd-scal.png)
+- FIFO Read
+    ![](images/fifo-read.png)
+- Read status register: RXBYTES
+    ![](images/status-rxbytes.png)
+- Data Table view
+    ![](images/table-view.png)
+- Data Table view
+    ![](images/table-view-full.png)
 
-# Texas Instruments references
+## Texas Instruments references
 - [CC1101 Product Page](https://www.ti.com/product/CC1101)
 - [CC1101 Datasheet](https://www.ti.com/lit/ds/symlink/cc1101.pdf)
 - [CC1101 Silicon Errata](https://www.ti.com/lit/er/swrz020e/swrz020e.pdf)
 
+## Contributing
+Contributions are welcome! If you have suggestions or improvements, please submit a pull request or open an issue on GitHub.
 
+## License
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)