Multiple small improvement (#12)

* multiple improvement

* provide a tree

README.md

@@ -4,4 +4,25 @@ Panduza Virtual Instruments
 ```bash
 cargo install cargo-post
 cargo post build --features plugin
-```
+```
+
+
+
+
+# full usage
+
+
+```json
+{
+    "devices": [
+        {
+            "name": "Virtual REPL",
+            "dref": "vi.repl"
+        },
+        {
+            "name": "Attribute Tester",
+            "dref": "vi.tester"
+        }
+    ]
+}
+```

src/tester/device.rs

@@ -32,7 +32,9 @@ impl DriverOperations for Device {
     async fn mount(&mut self, instance: Instance) -> Result<(), Error> {
         string_ro_wo::mount(instance.clone()).await?;
         bool_ro_wo::mount(instance.clone()).await?;
-        enum_ro_wo::mount(instance.clone()).await?;
+        enum_ro_wo::mount(instance.clone(), 0).await?;
+        enum_ro_wo::mount(instance.clone(), 1).await?;
+        enum_ro_wo::mount(instance.clone(), 2).await?;
         json_ro_wo::mount(instance.clone()).await?;
         number_ro_wo::mount(instance.clone()).await?;
         si_ro_wo::mount(instance.clone()).await?;

src/tester/device/enum_ro_wo.rs

@@ -5,10 +5,10 @@ use panduza_platform_core::{
 ///
 ///
 ///
-pub async fn mount(mut instance: Instance) -> Result<(), Error> {
+pub async fn mount(mut instance: Instance, id: usize) -> Result<(), Error> {
     //
     // Create interface
-    let mut class = instance.create_class("enum").finish().await;
+    let mut class = instance.create_class(format!("enum_{}", id)).finish().await;
 
     //
     // Some of the first contributors (sorted by alphabetic order)

src/tester/device/si_ro_wo.rs

@@ -16,7 +16,7 @@ pub async fn mount(mut instance: Instance) -> Result<(), Error> {
         .create_attribute("si_ro")
         .with_ro()
         .with_info(r#"read command"#)
-        .finish_as_si("test", 0.0, 100.0, 2)
+        .finish_as_si("Ω", -20.0, 100.0, 2)
         .await?;
     att_si_ro.set_from_f32(0.0).await?;
 
@@ -26,7 +26,7 @@ pub async fn mount(mut instance: Instance) -> Result<(), Error> {
         .create_attribute("si_wo")
         .with_wo()
         .with_info(r#"write command"#)
-        .finish_as_si("test", 0.0, 100.0, 2)
+        .finish_as_si("Ω", -20.0, 100.0, 2)
         .await?;
 
     //
@@ -45,7 +45,7 @@ pub async fn mount(mut instance: Instance) -> Result<(), Error> {
         .create_attribute("si_rw")
         .with_rw()
         .with_info(r#"read write command"#)
-        .finish_as_si("test", 0.0, 100.0, 2)
+        .finish_as_si("Ω", -20.0, 100.0, 2)
         .await?;
     att_si_rw.set_from_f32(0.0).await?;