From 4fd54179cb610352ddd5b07ea9742994cc65aee8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Boh=C3=A1=C4=8Dek?=
 <fandabohacek@gmail.com>
Date: Wed, 21 Jun 2023 12:13:00 +0200
Subject: [PATCH] feat: add hello world command

---
 src/commands/hello_world_command.rs | 32 +++++++++++++++++++++++++++++
 src/main.rs                         |  3 +++
 2 files changed, 35 insertions(+)
 create mode 100644 src/commands/hello_world_command.rs

diff --git a/src/commands/hello_world_command.rs b/src/commands/hello_world_command.rs
new file mode 100644
index 0000000000000000000000000000000000000000..1842a49d51233a4a5a69f7f2741917a17ee0817c
--- /dev/null
+++ b/src/commands/hello_world_command.rs
@@ -0,0 +1,32 @@
+use embedded_hal::serial::{Read, Write};
+use esp_println::{print, println};
+use crate::command_handler::{CommandData, CommandHandleError, SpecificCommandHandler};
+use crate::map::Map;
+
+pub struct HelloWorldCommand {
+
+}
+
+impl HelloWorldCommand {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl SpecificCommandHandler for HelloWorldCommand
+{
+    fn handle(&self, command: &mut CommandData) -> Result<(), CommandHandleError>
+    {
+        print!("Hello world!");
+        for c in &command.command.full[command.command.parsed_arguments[0].data.len()..] {
+            print!("{}", c);
+        }
+        println!("\r");
+
+        Ok(())
+    }
+
+    fn help(&self) -> &'static str {
+        "<x> - prints Hello world! <x>"
+    }
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 1949c9a237bbba95facdb06b0b580dad8ad92140..8a7f7669d15df9b8052d331f26b103e13485714d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -91,8 +91,11 @@ fn main() -> ! {
 
     let mut rgb_data: [RGB8; 72] = [RGB8 { r: 0, g: 0, b: 0 }; 72];
     let mut map = map::Map::new(&map::INDEX_MAP, &mut rgb_data);
+
+    let world_command = HelloWorldCommand::new();
     let mut handler = CommandHandler::new(
         [
+            ("HELLO_WORLD", &world_command),
         ],
         ['\0'; COMMAND_BUFFER],
     );