diff --git a/spinnyboy_rust/.cargo/config.toml b/spinnyboy_rust/.cargo/config.toml
index 9742ea7..180027b 100644
--- a/spinnyboy_rust/.cargo/config.toml
+++ b/spinnyboy_rust/.cargo/config.toml
@@ -8,6 +8,8 @@ rustflags = [
   # Required to obtain backtraces (e.g. when using the "esp-backtrace" crate.)
   # NOTE: May negatively impact performance of produced code
   "-C", "force-frame-pointers",
+  #https://defmt.ferrous-systems.com/setup
+  "-C", "link-arg=-Tdefmt.x",
 ]
 
 target = "riscv32imac-unknown-none-elf"
diff --git a/spinnyboy_rust/Cargo.toml b/spinnyboy_rust/Cargo.toml
index 2fc72b8..653e6f9 100644
--- a/spinnyboy_rust/Cargo.toml
+++ b/spinnyboy_rust/Cargo.toml
@@ -17,6 +17,8 @@ esp-bootloader-esp-idf = { version = "0.4.0", features = ["esp32c6"] }
 critical-section = "1.2.0"
 esp-alloc        = "0.9.0"
 rtt-target       = "0.6.2"
+embedded-hal = "1.0.0"
+esp-backtrace = {version = "0.18.1",features = ["esp32c6","defmt"]}
 
 
 [profile.dev]
diff --git a/spinnyboy_rust/src/bin/main.rs b/spinnyboy_rust/src/bin/main.rs
index 0aec8dd..9ec1140 100644
--- a/spinnyboy_rust/src/bin/main.rs
+++ b/spinnyboy_rust/src/bin/main.rs
@@ -23,7 +23,7 @@ use esp_hal::handler;
 use core::cell::RefCell;
 use esp_hal::time::{Duration, Instant};
 use esp_hal::timer::timg::TimerGroup;
-
+use esp_backtrace as _;
 use critical_section::Mutex;
 use rtt_target::rprintln;
 mod dc_driver;
@@ -38,7 +38,10 @@ fn panic(_: &core::panic::PanicInfo) -> ! {
 //
 static EMERGENCY_BUTTON: Mutex<RefCell<Option<Input>>> = Mutex::new(RefCell::new(None));
 extern crate alloc;
-
+//target RPM
+const DEFAULT_TARGET_RPM: u32 = 1000;
+//in seconds
+const DEFAULT_SPIN_TIME:u32 = 10;
 // This creates a default app-descriptor required by the esp-idf bootloader.
 // For more information see: <https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/system/app_image_format.html#application-description>
 esp_bootloader_esp_idf::esp_app_desc!();
@@ -98,12 +101,6 @@ fn main() -> ! {
     .unwrap()
     .with_rx(peripherals.GPIO5)
     .with_tx(peripherals.GPIO7);
-    // uart0.write(b"page page0");
-    // uart0.write(b"\xff");
-    // uart0.write(b"\xff");
-    // uart0.write(b"\xff");
-    // uart0.write(b"\xff");
-    // rprintln!("WRITE HAPPENED!");
     let mut display = Nextion::new(&mut uart0);
     display.send_command(b"page page0");
     loop {