Add "blinky" main program

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - GNU GPL v3 license
 - Cargo metadata
 - Basic functionality
+- "Blinky" main program
 
 ### Changed
 

src/main.rs

@@ -1,6 +1,17 @@
-use rn2903::Rn2903;
+use rn2903::{Rn2903, bytes_to_string};
+use std::thread;
+use std::time::Duration;
 
 fn main() {
-    let mut device = Rn2903::new_at("/dev/ttyUSB0").expect("Could not open device. Error");
-    println!("Successfully connected. Version: {}", device.system_version().expect("Could not read from device. Error:"));
+    let mut txvr = Rn2903::new_at("/dev/ttyUSB0").expect("Could not open device. Error");
+    println!(
+        "Successfully connected. Version: {}",
+        txvr
+            .system_version()
+            .expect("Could not read from device. Error:")
+    );
+
+    dbg!(bytes_to_string(&txvr.transact(b"sys set pindig GPIO10 1").unwrap()));
+    thread::sleep(Duration::from_millis(200));
+    dbg!(bytes_to_string(&txvr.transact(b"sys set pindig GPIO10 0").unwrap()));
 }