DO NOT Merge - Test shard cargo config and openocd.gdb

src/.cargo/config.toml

@@ -0,0 +1,11 @@
+[target.thumbv7em-none-eabihf]
+runner = "arm-none-eabi-gdb -q -x ../openocd.gdb"
+# runner = "gdb-multiarch -q -x ../openocd.gdb"
+# runner = "gdb -q -x ../openocd.gdb"
+rustflags = [
+  "-C", "link-arg=-Tlink.x",
+]
+
+[build]
+target = "thumbv7em-none-eabihf"
+

src/05-led-roulette/.cargo/config.toml

@@ -0,0 +1,8 @@
+[target.thumbv7em-none-eabihf]
+# runner = "arm-none-eabi-gdb -q -x openocd.gdb"
+# rustflags = [
+#   "-C", "link-arg=-Tlink.x",
+# ]
+
+[build]
+# target = "thumbv7em-none-eabihf"

src/06-hello-world/openocd.gdb

@@ -22,5 +22,9 @@ monitor itm port 0 on
 # Set a breakpoint at main
 break main
 
-# Continue running and we'll hit the main breakpoint
+# Continue running and unill we hit the main breakpoint
 continue
+
+# Step from the trampoline code in entry into main
+step
+

src/openocd.gdb

@@ -0,0 +1,37 @@
+# Connect to gdb remote server
+target remote :3333
+
+# Load will flash the code
+load
+
+# Eanble demangling asm names on disassembly
+set print asm-demangle on
+
+# Enable pretty printing
+set print pretty on
+
+# Disable style sources as the default colors can be hard to read
+set style sources off
+
+# Initialize monitoring so iprintln! macro output
+# is sent from the itm port to itm.txt
+monitor tpiu config internal itm.txt uart off 8000000
+
+# Turn on the itm port
+monitor itm port 0 on
+
+# Set a breakpoint at main, aka entry
+break main
+
+# Set a breakpiont at DefaultHandler
+break DefaultHandler
+
+# Set a breakpiont at HardFault
+break HardFault
+
+# Continue running and unill we hit the main breakpoint
+continue
+
+# Step from the trampoline code in entry into main
+step
+