Pretty print commands and parameters in the same format as the datasheet

src/instructions.rs

@@ -21,7 +21,7 @@ use crate::panel::Mode;
 /// transferred by the D/CX pin. If D/CX is “low”, the transmission byte is
 /// interpreted as a command byte. If D/CX is “high”, the transmission byte
 /// is command register as parameter.
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct Command {
     pub address: u8,
     pub parameters: Vec<u8>,

src/spi.rs

@@ -34,12 +34,13 @@ impl ST7701S {
       Ok(c) => {
         let address = &c.serialize_address();
         self.spi.write(&c.serialize_address());
-        println!("address {}", c.address);
+        println!("Address:   {:#04X}", c.address);
 
         for parameter in c.parameters {
           self.spi.write(&Command::serialize_parameter(parameter));
-          println!("parameter {}", parameter);
+          println!("Parameter: {:08b}", parameter);
         }
+        println!("--------------------");
       }
       Err(e) => println!("{}", e),
     }