adds the necessary plumbing for #9

spinnyboy_rust/src/bin/main.rs

@@ -240,6 +240,7 @@ fn main() -> ! {
             let set_point = target_rpm;
             coat_timer.start();
             let mut current_rpm = 0;
+            //first round!
             while !coat_timer.is_interrupt_set() {
                 dshot_esc.process();
                 //let control_val = dc_driver::
@@ -274,19 +275,25 @@ fn main() -> ! {
                 rprintln!("control:{},rpm:{}", control, current_rpm);
                 //first we send the RPM!
                 if display.write_ready() {
-                    let running_rpm = format!("rpm.val={}", current_rpm);
+                    let running_rpm = format!("rpm1.val={}", current_rpm);
                     display.send_command(running_rpm.to_string().as_bytes());
-                }
-                if display.write_ready() {
                     let counter = format!("counter.val={}", 1234);
                     display.send_command(counter.to_string().as_bytes());
                 }
+               if display.read_ready(){
+                   match display.read_command() {
+                   Ok(Command::DoDryRun) =>{
+                            break;
+                        },
+                        _ => {//we don't care about the rest}
+                   }
+               }
             }
 
             rprintln!("COATING done!");
             rprintln!("RPM_READ_FAILS {}", rpm_fail_ctr);
             started = false;
-            display.send_command(b"page page0");
+            display.send_command(b"page page3");
         }
     }
 }

spinnyboy_rust/src/bin/peripherals/mod.rs

@@ -9,6 +9,7 @@ pub enum Command {
     CommandSuccess,
     SetRpm2(u32),
     SetTimer2(u32),
+    DoDryRun,
 }
 #[derive(Debug)]
 pub enum ErrCommand {

spinnyboy_rust/src/bin/peripherals/nextion.rs

@@ -124,6 +124,7 @@ impl<'a> Nextion<'a> {
                 let time = u32::from_le_bytes(buf[1..5].try_into().expect("failed to parse rpm!"));
                 Ok(Command::SetTimer2(time))
             }
+            08 => Ok(Command::DoDryRun),
             00 => Ok(Command::CommandSuccess),
             _ => Err(ErrCommand::NoValidCmd),
         }