itm_trace

Makefile

 
-TARGETS = bare0 bare1 bare2 bare3 bare4 bare5 bare6 clk_out_itm
-DIR = target/thumbv7em-none-eabihf/debug/examples/
-ELFS = $(addprefix $(DIR), $(TARGETS))
+TARGETS = bare0 bare1 bare2 bare3 bare4 bare5 bare6
+DEV = target/thumbv7em-none-eabihf/debug/examples/
+REL = target/thumbv7em-none-eabihf/release/examples/
+ELFS = $(addprefix $(DEV), $(TARGETS))
 EELFS = $(addsuffix .elf, $(ELFS))
 
+ELFSR = $(addprefix $(REL), $(TARGETS))
+EELFSR = $(addsuffix .elf, $(ELFSR))
 .PHONY: all
 
-all: xargo $(EELFS) 
+all: xargo $(EELFS) $(EELFSR) 
 	
 xargo:
 	xargo build --examples	
+	xargo build --release --examples	
 		
 %.elf : % 
 	cp $< $@

examples/bare1.rs

@@ -23,10 +23,12 @@ fn main() {
     ipln!("ITM: Hello World");
 
     // semihosting trace (slow)
-    sprintln!("SEMIHOSTING: Hello World");
+    //    sprintln!("SEMIHOSTING: Hello World");
 
     // to prevent returning
     loop {
+        ipln!("here");
+
         // cortex_m::asm::nop();
         // cortex_m::asm::bkpt();
     }