continue workshop

microbit-code/app/.cargo/config.toml

@@ -0,0 +1,15 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# replace nRF82840_xxAA with your chip as listed in `probe-rs chip list`
+runner = "probe-rs run --chip nRF52833_xxAA --allow-erase-all"
+
+rustflags = [
+  "-C", "link-arg=-Tlink.x", # use the cortex-m-rt linker script
+  "-C", "linker=flip-link", # adds stack overflow protection
+  "-C", "link-arg=-Tdefmt.x", # defmt support
+]
+
+[build]
+target = "thumbv7em-none-eabihf"
+
+[env]
+DEFMT_LOG = "info"