exam (wip-1st part)

Cargo.toml

@@ -16,8 +16,8 @@ rtt-target = { version = "0.3.0", features = ["cortex-m"] }
 
 # panic handlers
 panic-halt = "0.2.0"
-panic-semihosting = "0.5.6"
-panic-rtt-target = { version = "0.1.1", features = ["cortex-m"] }
+# panic-semihosting = "0.5.6"
+# panic-rtt-target = { version = "0.1.1", features = ["cortex-m"] }
 
 [dependencies.stm32f4]
 version = "0.12.1"

src/main.rs

@@ -5,8 +5,8 @@
 #![no_main]
 #![no_std]
 
-// use panic_halt as _;
-use panic_rtt_target as _;
+use panic_halt as _;
+// use panic_rtt_target as _;
 use rtt_target::{rprintln, rtt_init_print};
 use stm32f4;